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a9a87d3525
With the new member functions for struct trad_frame_saved_reg, there is no need to invoke some of the set/get functions anymore. This patch removes those and adjusts all callers. Even though the most natural initial state of a saved register value is UNKNOWN, there are target backends relying on the previous initial state of REALREG set to a register's own number. I noticed this in at least a couple targets: aarch64 and riscv. Because of that, I decided to keep the reset function that sets the set of register values to REALREG. I can't exercise all the targets to make sure the initial state change won't break things, hence why it is risky to change the default. Validated with --enable-targets=all on aarch64-linux Ubuntu 18.04/20.04. gdb/ChangeLog 2021-01-19 Luis Machado <luis.machado@linaro.org> * trad-frame.h (trad_frame_saved_reg) <set_value_bytes>: Allocate memory and save data. (trad_frame_set_value, trad_frame_set_realreg, trad_frame_set_addr) (trad_frame_set_unknown, trad_frame_set_value_bytes) (trad_frame_value_p, trad_frame_addr_p, trad_frame_realreg_p) (trad_frame_value_bytes_p): Remove. (trad_frame_reset_saved_regs): Adjust documentation. * trad-frame.c (trad_frame_alloc_saved_regs): Initialize via a constructor and reset the state of the registers. (trad_frame_value_p, trad_frame_addr_p, trad_frame_realreg_p) (trad_frame_value_bytes_p, trad_frame_set_value) (trad_frame_set_realreg, trad_frame_set_addr) (trad_frame_set_unknown, trad_frame_set_value_bytes): Remove. (trad_frame_set_reg_realreg): Update to call member function. (trad_frame_set_reg_addr, trad_frame_set_reg_value_bytes): Likewise. (trad_frame_get_prev_register): Likewise. * aarch64-tdep.c (aarch64_analyze_prologue) (aarch64_analyze_prologue_test, aarch64_make_prologue_cache_1) (aarch64_prologue_prev_register): Update to use member functions. * alpha-mdebug-tdep.c (alpha_mdebug_frame_unwind_cache): Likewise. * alpha-tdep.c (alpha_heuristic_frame_unwind_cache): Likewise. * arc-tdep.c (arc_print_frame_cache, arc_make_frame_cache): Likewise. * arm-tdep.c (arm_make_prologue_cache, arm_exidx_fill_cache) (arm_make_epilogue_frame_cache): Likewise. * avr-tdep.c (avr_frame_unwind_cache) (avr_frame_prev_register): Likewise. * cris-tdep.c (cris_scan_prologue): Likewise. * csky-tdep.c (csky_frame_unwind_cache): Likewise. * frv-tdep.c (frv_analyze_prologue): Likewise. * hppa-tdep.c (hppa_frame_cache, hppa_fallback_frame_cache): Likewise. * lm32-tdep.c (lm32_frame_cache): Likewise. * m32r-tdep.c (m32r_frame_unwind_cache): Likewise. * m68hc11-tdep.c (m68hc11_frame_unwind_cache): Likewise. * mips-tdep.c (set_reg_offset, mips_insn16_frame_cache) (mips_micro_frame_cache, mips_insn32_frame_cache): Likewise. (reset_saved_regs): Adjust to set realreg. * riscv-tdep.c (riscv_scan_prologue, riscv_frame_cache): Adjust to call member functions. * rs6000-tdep.c (rs6000_frame_cache, rs6000_epilogue_frame_cache) * s390-tdep.c (s390_prologue_frame_unwind_cache) (s390_backchain_frame_unwind_cache): Likewise. * score-tdep.c (score7_analyze_prologue) (score3_analyze_prologue, score_make_prologue_cache): Likewise. * sparc-netbsd-tdep.c (sparc32nbsd_sigcontext_saved_regs): Likewise. * sparc-sol2-tdep.c (sparc32_sol2_sigtramp_frame_cache): Likewise. * sparc64-netbsd-tdep.c (sparc64nbsd_sigcontext_saved_regs): Likewise. * sparc64-sol2-tdep.c (sparc64_sol2_sigtramp_frame_cache): Likewise. * tilegx-tdep.c (tilegx_analyze_prologue) (tilegx_frame_cache): Likewise. * v850-tdep.c (v850_frame_cache): Likewise. * vax-tdep.c (vax_frame_cache): Likewise.
7231 lines
231 KiB
C
7231 lines
231 KiB
C
/* Target-dependent code for s390.
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Copyright (C) 2001-2021 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "arch-utils.h"
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#include "ax-gdb.h"
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#include "dwarf2/frame.h"
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#include "elf/s390.h"
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#include "elf-bfd.h"
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#include "frame-base.h"
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#include "frame-unwind.h"
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#include "gdbarch.h"
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#include "gdbcore.h"
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#include "infrun.h"
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#include "linux-tdep.h"
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#include "objfiles.h"
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#include "osabi.h"
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#include "record-full.h"
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#include "regcache.h"
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#include "reggroups.h"
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#include "s390-tdep.h"
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#include "target-descriptions.h"
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#include "trad-frame.h"
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#include "value.h"
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#include "features/s390-linux32.c"
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#include "features/s390x-linux64.c"
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/* Holds the current set of options to be passed to the disassembler. */
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static char *s390_disassembler_options;
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/* Breakpoints. */
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constexpr gdb_byte s390_break_insn[] = { 0x0, 0x1 };
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typedef BP_MANIPULATION (s390_break_insn) s390_breakpoint;
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/* Types. */
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/* Implement the gdbarch type alignment method. */
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static ULONGEST
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s390_type_align (gdbarch *gdbarch, struct type *t)
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{
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t = check_typedef (t);
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if (TYPE_LENGTH (t) > 8)
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{
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switch (t->code ())
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{
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case TYPE_CODE_INT:
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case TYPE_CODE_RANGE:
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case TYPE_CODE_FLT:
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case TYPE_CODE_ENUM:
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case TYPE_CODE_CHAR:
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case TYPE_CODE_BOOL:
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case TYPE_CODE_DECFLOAT:
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return 8;
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case TYPE_CODE_ARRAY:
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if (t->is_vector ())
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return 8;
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break;
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}
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}
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return 0;
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}
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/* Decoding S/390 instructions. */
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/* Read a single instruction from address AT. */
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static int
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s390_readinstruction (bfd_byte instr[], CORE_ADDR at)
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{
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static int s390_instrlen[] = { 2, 4, 4, 6 };
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int instrlen;
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if (target_read_memory (at, &instr[0], 2))
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return -1;
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instrlen = s390_instrlen[instr[0] >> 6];
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if (instrlen > 2)
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{
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if (target_read_memory (at + 2, &instr[2], instrlen - 2))
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return -1;
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}
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return instrlen;
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}
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/* The functions below are for recognizing and decoding S/390
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instructions of various formats. Each of them checks whether INSN
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is an instruction of the given format, with the specified opcodes.
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If it is, it sets the remaining arguments to the values of the
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instruction's fields, and returns a non-zero value; otherwise, it
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returns zero.
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These functions' arguments appear in the order they appear in the
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instruction, not in the machine-language form. So, opcodes always
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come first, even though they're sometimes scattered around the
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instructions. And displacements appear before base and extension
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registers, as they do in the assembly syntax, not at the end, as
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they do in the machine language.
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Test for RI instruction format. */
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static int
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is_ri (bfd_byte *insn, int op1, int op2, unsigned int *r1, int *i2)
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{
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if (insn[0] == op1 && (insn[1] & 0xf) == op2)
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{
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*r1 = (insn[1] >> 4) & 0xf;
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/* i2 is a 16-bit signed quantity. */
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*i2 = (((insn[2] << 8) | insn[3]) ^ 0x8000) - 0x8000;
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return 1;
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}
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else
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return 0;
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}
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/* Test for RIL instruction format. See comment on is_ri for details. */
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static int
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is_ril (bfd_byte *insn, int op1, int op2,
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unsigned int *r1, int *i2)
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{
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if (insn[0] == op1 && (insn[1] & 0xf) == op2)
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{
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*r1 = (insn[1] >> 4) & 0xf;
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/* i2 is a signed quantity. If the host 'int' is 32 bits long,
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no sign extension is necessary, but we don't want to assume
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that. */
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*i2 = (((insn[2] << 24)
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| (insn[3] << 16)
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| (insn[4] << 8)
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| (insn[5])) ^ 0x80000000) - 0x80000000;
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return 1;
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}
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else
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return 0;
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}
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/* Test for RR instruction format. See comment on is_ri for details. */
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static int
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is_rr (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
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{
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if (insn[0] == op)
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{
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*r1 = (insn[1] >> 4) & 0xf;
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*r2 = insn[1] & 0xf;
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return 1;
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}
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else
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return 0;
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}
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/* Test for RRE instruction format. See comment on is_ri for details. */
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static int
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is_rre (bfd_byte *insn, int op, unsigned int *r1, unsigned int *r2)
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{
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if (((insn[0] << 8) | insn[1]) == op)
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{
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/* Yes, insn[3]. insn[2] is unused in RRE format. */
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*r1 = (insn[3] >> 4) & 0xf;
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*r2 = insn[3] & 0xf;
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return 1;
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}
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else
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return 0;
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}
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/* Test for RS instruction format. See comment on is_ri for details. */
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static int
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is_rs (bfd_byte *insn, int op,
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unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
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{
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if (insn[0] == op)
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{
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*r1 = (insn[1] >> 4) & 0xf;
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*r3 = insn[1] & 0xf;
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*b2 = (insn[2] >> 4) & 0xf;
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*d2 = ((insn[2] & 0xf) << 8) | insn[3];
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return 1;
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}
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else
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return 0;
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}
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/* Test for RSY instruction format. See comment on is_ri for details. */
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static int
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is_rsy (bfd_byte *insn, int op1, int op2,
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unsigned int *r1, unsigned int *r3, int *d2, unsigned int *b2)
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{
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if (insn[0] == op1
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&& insn[5] == op2)
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{
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*r1 = (insn[1] >> 4) & 0xf;
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*r3 = insn[1] & 0xf;
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*b2 = (insn[2] >> 4) & 0xf;
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/* The 'long displacement' is a 20-bit signed integer. */
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*d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
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^ 0x80000) - 0x80000;
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return 1;
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}
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else
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return 0;
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}
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/* Test for RX instruction format. See comment on is_ri for details. */
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static int
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is_rx (bfd_byte *insn, int op,
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unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
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{
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if (insn[0] == op)
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{
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*r1 = (insn[1] >> 4) & 0xf;
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*x2 = insn[1] & 0xf;
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*b2 = (insn[2] >> 4) & 0xf;
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*d2 = ((insn[2] & 0xf) << 8) | insn[3];
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return 1;
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}
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else
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return 0;
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}
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/* Test for RXY instruction format. See comment on is_ri for details. */
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static int
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is_rxy (bfd_byte *insn, int op1, int op2,
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unsigned int *r1, int *d2, unsigned int *x2, unsigned int *b2)
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{
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if (insn[0] == op1
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&& insn[5] == op2)
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{
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*r1 = (insn[1] >> 4) & 0xf;
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*x2 = insn[1] & 0xf;
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*b2 = (insn[2] >> 4) & 0xf;
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/* The 'long displacement' is a 20-bit signed integer. */
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*d2 = ((((insn[2] & 0xf) << 8) | insn[3] | (insn[4] << 12))
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^ 0x80000) - 0x80000;
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return 1;
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}
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else
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return 0;
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}
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/* A helper for s390_software_single_step, decides if an instruction
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is a partial-execution instruction that needs to be executed until
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completion when in record mode. If it is, returns 1 and writes
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instruction length to a pointer. */
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static int
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s390_is_partial_instruction (struct gdbarch *gdbarch, CORE_ADDR loc, int *len)
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{
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enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
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uint16_t insn;
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insn = read_memory_integer (loc, 2, byte_order);
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switch (insn >> 8)
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{
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case 0xa8: /* MVCLE */
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*len = 4;
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return 1;
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case 0xeb:
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{
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insn = read_memory_integer (loc + 4, 2, byte_order);
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if ((insn & 0xff) == 0x8e)
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{
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/* MVCLU */
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*len = 6;
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return 1;
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}
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}
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break;
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}
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switch (insn)
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{
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case 0xb255: /* MVST */
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case 0xb263: /* CMPSC */
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case 0xb2a5: /* TRE */
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case 0xb2a6: /* CU21 */
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case 0xb2a7: /* CU12 */
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case 0xb9b0: /* CU14 */
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case 0xb9b1: /* CU24 */
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case 0xb9b2: /* CU41 */
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case 0xb9b3: /* CU42 */
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case 0xb92a: /* KMF */
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case 0xb92b: /* KMO */
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case 0xb92f: /* KMC */
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case 0xb92d: /* KMCTR */
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case 0xb92e: /* KM */
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case 0xb93c: /* PPNO */
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case 0xb990: /* TRTT */
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case 0xb991: /* TRTO */
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case 0xb992: /* TROT */
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case 0xb993: /* TROO */
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*len = 4;
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return 1;
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}
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return 0;
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}
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/* Implement the "software_single_step" gdbarch method, needed to single step
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through instructions like MVCLE in record mode, to make sure they are
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executed to completion. Without that, record will save the full length
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of destination buffer on every iteration, even though the CPU will only
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process about 4kiB of it each time, leading to O(n**2) memory and time
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complexity. */
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static std::vector<CORE_ADDR>
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s390_software_single_step (struct regcache *regcache)
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{
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struct gdbarch *gdbarch = regcache->arch ();
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CORE_ADDR loc = regcache_read_pc (regcache);
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enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
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int len;
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uint16_t insn;
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/* Special handling only if recording. */
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if (!record_full_is_used ())
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return {};
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/* First, match a partial instruction. */
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if (!s390_is_partial_instruction (gdbarch, loc, &len))
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return {};
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loc += len;
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/* Second, look for a branch back to it. */
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insn = read_memory_integer (loc, 2, byte_order);
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if (insn != 0xa714) /* BRC with mask 1 */
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return {};
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insn = read_memory_integer (loc + 2, 2, byte_order);
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if (insn != (uint16_t) -(len / 2))
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return {};
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loc += 4;
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/* Found it, step past the whole thing. */
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return {loc};
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}
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/* Displaced stepping. */
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/* Return true if INSN is a non-branch RIL-b or RIL-c format
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instruction. */
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static int
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is_non_branch_ril (gdb_byte *insn)
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{
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gdb_byte op1 = insn[0];
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if (op1 == 0xc4)
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{
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gdb_byte op2 = insn[1] & 0x0f;
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switch (op2)
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{
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case 0x02: /* llhrl */
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case 0x04: /* lghrl */
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case 0x05: /* lhrl */
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case 0x06: /* llghrl */
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case 0x07: /* sthrl */
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case 0x08: /* lgrl */
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case 0x0b: /* stgrl */
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case 0x0c: /* lgfrl */
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case 0x0d: /* lrl */
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case 0x0e: /* llgfrl */
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case 0x0f: /* strl */
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return 1;
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}
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}
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else if (op1 == 0xc6)
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{
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gdb_byte op2 = insn[1] & 0x0f;
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switch (op2)
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{
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case 0x00: /* exrl */
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case 0x02: /* pfdrl */
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case 0x04: /* cghrl */
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case 0x05: /* chrl */
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case 0x06: /* clghrl */
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case 0x07: /* clhrl */
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case 0x08: /* cgrl */
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case 0x0a: /* clgrl */
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case 0x0c: /* cgfrl */
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case 0x0d: /* crl */
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case 0x0e: /* clgfrl */
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case 0x0f: /* clrl */
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return 1;
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}
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}
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return 0;
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}
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typedef buf_displaced_step_copy_insn_closure
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s390_displaced_step_copy_insn_closure;
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/* Implementation of gdbarch_displaced_step_copy_insn. */
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static displaced_step_copy_insn_closure_up
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s390_displaced_step_copy_insn (struct gdbarch *gdbarch,
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CORE_ADDR from, CORE_ADDR to,
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struct regcache *regs)
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{
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size_t len = gdbarch_max_insn_length (gdbarch);
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std::unique_ptr<s390_displaced_step_copy_insn_closure> closure
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(new s390_displaced_step_copy_insn_closure (len));
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gdb_byte *buf = closure->buf.data ();
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|
|
read_memory (from, buf, len);
|
|
|
|
/* Adjust the displacement field of PC-relative RIL instructions,
|
|
except branches. The latter are handled in the fixup hook. */
|
|
if (is_non_branch_ril (buf))
|
|
{
|
|
LONGEST offset;
|
|
|
|
offset = extract_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG);
|
|
offset = (from - to + offset * 2) / 2;
|
|
|
|
/* If the instruction is too far from the jump pad, punt. This
|
|
will usually happen with instructions in shared libraries.
|
|
We could probably support these by rewriting them to be
|
|
absolute or fully emulating them. */
|
|
if (offset < INT32_MIN || offset > INT32_MAX)
|
|
{
|
|
/* Let the core fall back to stepping over the breakpoint
|
|
in-line. */
|
|
displaced_debug_printf ("can't displaced step RIL instruction: offset "
|
|
"%s out of range", plongest (offset));
|
|
|
|
return NULL;
|
|
}
|
|
|
|
store_signed_integer (buf + 2, 4, BFD_ENDIAN_BIG, offset);
|
|
}
|
|
|
|
write_memory (to, buf, len);
|
|
|
|
displaced_debug_printf ("copy %s->%s: %s",
|
|
paddress (gdbarch, from), paddress (gdbarch, to),
|
|
displaced_step_dump_bytes (buf, len).c_str ());
|
|
|
|
/* This is a work around for a problem with g++ 4.8. */
|
|
return displaced_step_copy_insn_closure_up (closure.release ());
|
|
}
|
|
|
|
/* Fix up the state of registers and memory after having single-stepped
|
|
a displaced instruction. */
|
|
|
|
static void
|
|
s390_displaced_step_fixup (struct gdbarch *gdbarch,
|
|
displaced_step_copy_insn_closure *closure_,
|
|
CORE_ADDR from, CORE_ADDR to,
|
|
struct regcache *regs)
|
|
{
|
|
/* Our closure is a copy of the instruction. */
|
|
s390_displaced_step_copy_insn_closure *closure
|
|
= (s390_displaced_step_copy_insn_closure *) closure_;
|
|
gdb_byte *insn = closure->buf.data ();
|
|
static int s390_instrlen[] = { 2, 4, 4, 6 };
|
|
int insnlen = s390_instrlen[insn[0] >> 6];
|
|
|
|
/* Fields for various kinds of instructions. */
|
|
unsigned int b2, r1, r2, x2, r3;
|
|
int i2, d2;
|
|
|
|
/* Get current PC and addressing mode bit. */
|
|
CORE_ADDR pc = regcache_read_pc (regs);
|
|
ULONGEST amode = 0;
|
|
|
|
if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
|
|
{
|
|
regcache_cooked_read_unsigned (regs, S390_PSWA_REGNUM, &amode);
|
|
amode &= 0x80000000;
|
|
}
|
|
|
|
displaced_debug_printf ("(s390) fixup (%s, %s) pc %s len %d amode 0x%x",
|
|
paddress (gdbarch, from), paddress (gdbarch, to),
|
|
paddress (gdbarch, pc), insnlen, (int) amode);
|
|
|
|
/* Handle absolute branch and save instructions. */
|
|
int op_basr_p = is_rr (insn, op_basr, &r1, &r2);
|
|
if (op_basr_p
|
|
|| is_rx (insn, op_bas, &r1, &d2, &x2, &b2))
|
|
{
|
|
/* Recompute saved return address in R1. */
|
|
regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
|
|
amode | (from + insnlen));
|
|
/* Update PC iff the instruction doesn't actually branch. */
|
|
if (op_basr_p && r2 == 0)
|
|
regcache_write_pc (regs, from + insnlen);
|
|
}
|
|
|
|
/* Handle absolute branch instructions. */
|
|
else if (is_rr (insn, op_bcr, &r1, &r2)
|
|
|| is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
|
|
|| is_rr (insn, op_bctr, &r1, &r2)
|
|
|| is_rre (insn, op_bctgr, &r1, &r2)
|
|
|| is_rx (insn, op_bct, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn, op1_bctg, op2_brctg, &r1, &d2, &x2, &b2)
|
|
|| is_rs (insn, op_bxh, &r1, &r3, &d2, &b2)
|
|
|| is_rsy (insn, op1_bxhg, op2_bxhg, &r1, &r3, &d2, &b2)
|
|
|| is_rs (insn, op_bxle, &r1, &r3, &d2, &b2)
|
|
|| is_rsy (insn, op1_bxleg, op2_bxleg, &r1, &r3, &d2, &b2))
|
|
{
|
|
/* Update PC iff branch was *not* taken. */
|
|
if (pc == to + insnlen)
|
|
regcache_write_pc (regs, from + insnlen);
|
|
}
|
|
|
|
/* Handle PC-relative branch and save instructions. */
|
|
else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2)
|
|
|| is_ril (insn, op1_brasl, op2_brasl, &r1, &i2))
|
|
{
|
|
/* Update PC. */
|
|
regcache_write_pc (regs, pc - to + from);
|
|
/* Recompute saved return address in R1. */
|
|
regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
|
|
amode | (from + insnlen));
|
|
}
|
|
|
|
/* Handle LOAD ADDRESS RELATIVE LONG. */
|
|
else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
|
|
{
|
|
/* Update PC. */
|
|
regcache_write_pc (regs, from + insnlen);
|
|
/* Recompute output address in R1. */
|
|
regcache_cooked_write_unsigned (regs, S390_R0_REGNUM + r1,
|
|
amode | (from + i2 * 2));
|
|
}
|
|
|
|
/* If we executed a breakpoint instruction, point PC right back at it. */
|
|
else if (insn[0] == 0x0 && insn[1] == 0x1)
|
|
regcache_write_pc (regs, from);
|
|
|
|
/* For any other insn, adjust PC by negated displacement. PC then
|
|
points right after the original instruction, except for PC-relative
|
|
branches, where it points to the adjusted branch target. */
|
|
else
|
|
regcache_write_pc (regs, pc - to + from);
|
|
|
|
displaced_debug_printf ("(s390) pc is now %s",
|
|
paddress (gdbarch, regcache_read_pc (regs)));
|
|
}
|
|
|
|
/* Implement displaced_step_hw_singlestep gdbarch method. */
|
|
|
|
static bool
|
|
s390_displaced_step_hw_singlestep (struct gdbarch *gdbarch)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/* Prologue analysis. */
|
|
|
|
struct s390_prologue_data {
|
|
|
|
/* The stack. */
|
|
struct pv_area *stack;
|
|
|
|
/* The size and byte-order of a GPR or FPR. */
|
|
int gpr_size;
|
|
int fpr_size;
|
|
enum bfd_endian byte_order;
|
|
|
|
/* The general-purpose registers. */
|
|
pv_t gpr[S390_NUM_GPRS];
|
|
|
|
/* The floating-point registers. */
|
|
pv_t fpr[S390_NUM_FPRS];
|
|
|
|
/* The offset relative to the CFA where the incoming GPR N was saved
|
|
by the function prologue. 0 if not saved or unknown. */
|
|
int gpr_slot[S390_NUM_GPRS];
|
|
|
|
/* Likewise for FPRs. */
|
|
int fpr_slot[S390_NUM_FPRS];
|
|
|
|
/* Nonzero if the backchain was saved. This is assumed to be the
|
|
case when the incoming SP is saved at the current SP location. */
|
|
int back_chain_saved_p;
|
|
};
|
|
|
|
/* Return the effective address for an X-style instruction, like:
|
|
|
|
L R1, D2(X2, B2)
|
|
|
|
Here, X2 and B2 are registers, and D2 is a signed 20-bit
|
|
constant; the effective address is the sum of all three. If either
|
|
X2 or B2 are zero, then it doesn't contribute to the sum --- this
|
|
means that r0 can't be used as either X2 or B2. */
|
|
|
|
static pv_t
|
|
s390_addr (struct s390_prologue_data *data,
|
|
int d2, unsigned int x2, unsigned int b2)
|
|
{
|
|
pv_t result;
|
|
|
|
result = pv_constant (d2);
|
|
if (x2)
|
|
result = pv_add (result, data->gpr[x2]);
|
|
if (b2)
|
|
result = pv_add (result, data->gpr[b2]);
|
|
|
|
return result;
|
|
}
|
|
|
|
/* Do a SIZE-byte store of VALUE to D2(X2,B2). */
|
|
|
|
static void
|
|
s390_store (struct s390_prologue_data *data,
|
|
int d2, unsigned int x2, unsigned int b2, CORE_ADDR size,
|
|
pv_t value)
|
|
{
|
|
pv_t addr = s390_addr (data, d2, x2, b2);
|
|
pv_t offset;
|
|
|
|
/* Check whether we are storing the backchain. */
|
|
offset = pv_subtract (data->gpr[S390_SP_REGNUM - S390_R0_REGNUM], addr);
|
|
|
|
if (pv_is_constant (offset) && offset.k == 0)
|
|
if (size == data->gpr_size
|
|
&& pv_is_register_k (value, S390_SP_REGNUM, 0))
|
|
{
|
|
data->back_chain_saved_p = 1;
|
|
return;
|
|
}
|
|
|
|
/* Check whether we are storing a register into the stack. */
|
|
if (!data->stack->store_would_trash (addr))
|
|
data->stack->store (addr, size, value);
|
|
|
|
/* Note: If this is some store we cannot identify, you might think we
|
|
should forget our cached values, as any of those might have been hit.
|
|
|
|
However, we make the assumption that the register save areas are only
|
|
ever stored to once in any given function, and we do recognize these
|
|
stores. Thus every store we cannot recognize does not hit our data. */
|
|
}
|
|
|
|
/* Do a SIZE-byte load from D2(X2,B2). */
|
|
|
|
static pv_t
|
|
s390_load (struct s390_prologue_data *data,
|
|
int d2, unsigned int x2, unsigned int b2, CORE_ADDR size)
|
|
|
|
{
|
|
pv_t addr = s390_addr (data, d2, x2, b2);
|
|
|
|
/* If it's a load from an in-line constant pool, then we can
|
|
simulate that, under the assumption that the code isn't
|
|
going to change between the time the processor actually
|
|
executed it creating the current frame, and the time when
|
|
we're analyzing the code to unwind past that frame. */
|
|
if (pv_is_constant (addr))
|
|
{
|
|
struct target_section *secp;
|
|
secp = target_section_by_addr (current_top_target (), addr.k);
|
|
if (secp != NULL
|
|
&& (bfd_section_flags (secp->the_bfd_section) & SEC_READONLY))
|
|
return pv_constant (read_memory_integer (addr.k, size,
|
|
data->byte_order));
|
|
}
|
|
|
|
/* Check whether we are accessing one of our save slots. */
|
|
return data->stack->fetch (addr, size);
|
|
}
|
|
|
|
/* Function for finding saved registers in a 'struct pv_area'; we pass
|
|
this to pv_area::scan.
|
|
|
|
If VALUE is a saved register, ADDR says it was saved at a constant
|
|
offset from the frame base, and SIZE indicates that the whole
|
|
register was saved, record its offset in the reg_offset table in
|
|
PROLOGUE_UNTYPED. */
|
|
|
|
static void
|
|
s390_check_for_saved (void *data_untyped, pv_t addr,
|
|
CORE_ADDR size, pv_t value)
|
|
{
|
|
struct s390_prologue_data *data = (struct s390_prologue_data *) data_untyped;
|
|
int i, offset;
|
|
|
|
if (!pv_is_register (addr, S390_SP_REGNUM))
|
|
return;
|
|
|
|
offset = 16 * data->gpr_size + 32 - addr.k;
|
|
|
|
/* If we are storing the original value of a register, we want to
|
|
record the CFA offset. If the same register is stored multiple
|
|
times, the stack slot with the highest address counts. */
|
|
|
|
for (i = 0; i < S390_NUM_GPRS; i++)
|
|
if (size == data->gpr_size
|
|
&& pv_is_register_k (value, S390_R0_REGNUM + i, 0))
|
|
if (data->gpr_slot[i] == 0
|
|
|| data->gpr_slot[i] > offset)
|
|
{
|
|
data->gpr_slot[i] = offset;
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < S390_NUM_FPRS; i++)
|
|
if (size == data->fpr_size
|
|
&& pv_is_register_k (value, S390_F0_REGNUM + i, 0))
|
|
if (data->fpr_slot[i] == 0
|
|
|| data->fpr_slot[i] > offset)
|
|
{
|
|
data->fpr_slot[i] = offset;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Analyze the prologue of the function starting at START_PC, continuing at
|
|
most until CURRENT_PC. Initialize DATA to hold all information we find
|
|
out about the state of the registers and stack slots. Return the address
|
|
of the instruction after the last one that changed the SP, FP, or back
|
|
chain; or zero on error. */
|
|
|
|
static CORE_ADDR
|
|
s390_analyze_prologue (struct gdbarch *gdbarch,
|
|
CORE_ADDR start_pc,
|
|
CORE_ADDR current_pc,
|
|
struct s390_prologue_data *data)
|
|
{
|
|
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
|
|
|
|
/* Our return value:
|
|
The address of the instruction after the last one that changed
|
|
the SP, FP, or back chain; zero if we got an error trying to
|
|
read memory. */
|
|
CORE_ADDR result = start_pc;
|
|
|
|
/* The current PC for our abstract interpretation. */
|
|
CORE_ADDR pc;
|
|
|
|
/* The address of the next instruction after that. */
|
|
CORE_ADDR next_pc;
|
|
|
|
pv_area stack (S390_SP_REGNUM, gdbarch_addr_bit (gdbarch));
|
|
scoped_restore restore_stack = make_scoped_restore (&data->stack, &stack);
|
|
|
|
/* Set up everything's initial value. */
|
|
{
|
|
int i;
|
|
|
|
/* For the purpose of prologue tracking, we consider the GPR size to
|
|
be equal to the ABI word size, even if it is actually larger
|
|
(i.e. when running a 32-bit binary under a 64-bit kernel). */
|
|
data->gpr_size = word_size;
|
|
data->fpr_size = 8;
|
|
data->byte_order = gdbarch_byte_order (gdbarch);
|
|
|
|
for (i = 0; i < S390_NUM_GPRS; i++)
|
|
data->gpr[i] = pv_register (S390_R0_REGNUM + i, 0);
|
|
|
|
for (i = 0; i < S390_NUM_FPRS; i++)
|
|
data->fpr[i] = pv_register (S390_F0_REGNUM + i, 0);
|
|
|
|
for (i = 0; i < S390_NUM_GPRS; i++)
|
|
data->gpr_slot[i] = 0;
|
|
|
|
for (i = 0; i < S390_NUM_FPRS; i++)
|
|
data->fpr_slot[i] = 0;
|
|
|
|
data->back_chain_saved_p = 0;
|
|
}
|
|
|
|
/* Start interpreting instructions, until we hit the frame's
|
|
current PC or the first branch instruction. */
|
|
for (pc = start_pc; pc > 0 && pc < current_pc; pc = next_pc)
|
|
{
|
|
bfd_byte insn[S390_MAX_INSTR_SIZE];
|
|
int insn_len = s390_readinstruction (insn, pc);
|
|
|
|
bfd_byte dummy[S390_MAX_INSTR_SIZE] = { 0 };
|
|
bfd_byte *insn32 = word_size == 4 ? insn : dummy;
|
|
bfd_byte *insn64 = word_size == 8 ? insn : dummy;
|
|
|
|
/* Fields for various kinds of instructions. */
|
|
unsigned int b2, r1, r2, x2, r3;
|
|
int i2, d2;
|
|
|
|
/* The values of SP and FP before this instruction,
|
|
for detecting instructions that change them. */
|
|
pv_t pre_insn_sp, pre_insn_fp;
|
|
/* Likewise for the flag whether the back chain was saved. */
|
|
int pre_insn_back_chain_saved_p;
|
|
|
|
/* If we got an error trying to read the instruction, report it. */
|
|
if (insn_len < 0)
|
|
{
|
|
result = 0;
|
|
break;
|
|
}
|
|
|
|
next_pc = pc + insn_len;
|
|
|
|
pre_insn_sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
|
|
pre_insn_fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
|
|
pre_insn_back_chain_saved_p = data->back_chain_saved_p;
|
|
|
|
/* LHI r1, i2 --- load halfword immediate. */
|
|
/* LGHI r1, i2 --- load halfword immediate (64-bit version). */
|
|
/* LGFI r1, i2 --- load fullword immediate. */
|
|
if (is_ri (insn32, op1_lhi, op2_lhi, &r1, &i2)
|
|
|| is_ri (insn64, op1_lghi, op2_lghi, &r1, &i2)
|
|
|| is_ril (insn, op1_lgfi, op2_lgfi, &r1, &i2))
|
|
data->gpr[r1] = pv_constant (i2);
|
|
|
|
/* LR r1, r2 --- load from register. */
|
|
/* LGR r1, r2 --- load from register (64-bit version). */
|
|
else if (is_rr (insn32, op_lr, &r1, &r2)
|
|
|| is_rre (insn64, op_lgr, &r1, &r2))
|
|
data->gpr[r1] = data->gpr[r2];
|
|
|
|
/* L r1, d2(x2, b2) --- load. */
|
|
/* LY r1, d2(x2, b2) --- load (long-displacement version). */
|
|
/* LG r1, d2(x2, b2) --- load (64-bit version). */
|
|
else if (is_rx (insn32, op_l, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn32, op1_ly, op2_ly, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn64, op1_lg, op2_lg, &r1, &d2, &x2, &b2))
|
|
data->gpr[r1] = s390_load (data, d2, x2, b2, data->gpr_size);
|
|
|
|
/* ST r1, d2(x2, b2) --- store. */
|
|
/* STY r1, d2(x2, b2) --- store (long-displacement version). */
|
|
/* STG r1, d2(x2, b2) --- store (64-bit version). */
|
|
else if (is_rx (insn32, op_st, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn32, op1_sty, op2_sty, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn64, op1_stg, op2_stg, &r1, &d2, &x2, &b2))
|
|
s390_store (data, d2, x2, b2, data->gpr_size, data->gpr[r1]);
|
|
|
|
/* STD r1, d2(x2,b2) --- store floating-point register. */
|
|
else if (is_rx (insn, op_std, &r1, &d2, &x2, &b2))
|
|
s390_store (data, d2, x2, b2, data->fpr_size, data->fpr[r1]);
|
|
|
|
/* STM r1, r3, d2(b2) --- store multiple. */
|
|
/* STMY r1, r3, d2(b2) --- store multiple (long-displacement
|
|
version). */
|
|
/* STMG r1, r3, d2(b2) --- store multiple (64-bit version). */
|
|
else if (is_rs (insn32, op_stm, &r1, &r3, &d2, &b2)
|
|
|| is_rsy (insn32, op1_stmy, op2_stmy, &r1, &r3, &d2, &b2)
|
|
|| is_rsy (insn64, op1_stmg, op2_stmg, &r1, &r3, &d2, &b2))
|
|
{
|
|
for (; r1 <= r3; r1++, d2 += data->gpr_size)
|
|
s390_store (data, d2, 0, b2, data->gpr_size, data->gpr[r1]);
|
|
}
|
|
|
|
/* AHI r1, i2 --- add halfword immediate. */
|
|
/* AGHI r1, i2 --- add halfword immediate (64-bit version). */
|
|
/* AFI r1, i2 --- add fullword immediate. */
|
|
/* AGFI r1, i2 --- add fullword immediate (64-bit version). */
|
|
else if (is_ri (insn32, op1_ahi, op2_ahi, &r1, &i2)
|
|
|| is_ri (insn64, op1_aghi, op2_aghi, &r1, &i2)
|
|
|| is_ril (insn32, op1_afi, op2_afi, &r1, &i2)
|
|
|| is_ril (insn64, op1_agfi, op2_agfi, &r1, &i2))
|
|
data->gpr[r1] = pv_add_constant (data->gpr[r1], i2);
|
|
|
|
/* ALFI r1, i2 --- add logical immediate. */
|
|
/* ALGFI r1, i2 --- add logical immediate (64-bit version). */
|
|
else if (is_ril (insn32, op1_alfi, op2_alfi, &r1, &i2)
|
|
|| is_ril (insn64, op1_algfi, op2_algfi, &r1, &i2))
|
|
data->gpr[r1] = pv_add_constant (data->gpr[r1],
|
|
(CORE_ADDR)i2 & 0xffffffff);
|
|
|
|
/* AR r1, r2 -- add register. */
|
|
/* AGR r1, r2 -- add register (64-bit version). */
|
|
else if (is_rr (insn32, op_ar, &r1, &r2)
|
|
|| is_rre (insn64, op_agr, &r1, &r2))
|
|
data->gpr[r1] = pv_add (data->gpr[r1], data->gpr[r2]);
|
|
|
|
/* A r1, d2(x2, b2) -- add. */
|
|
/* AY r1, d2(x2, b2) -- add (long-displacement version). */
|
|
/* AG r1, d2(x2, b2) -- add (64-bit version). */
|
|
else if (is_rx (insn32, op_a, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn32, op1_ay, op2_ay, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn64, op1_ag, op2_ag, &r1, &d2, &x2, &b2))
|
|
data->gpr[r1] = pv_add (data->gpr[r1],
|
|
s390_load (data, d2, x2, b2, data->gpr_size));
|
|
|
|
/* SLFI r1, i2 --- subtract logical immediate. */
|
|
/* SLGFI r1, i2 --- subtract logical immediate (64-bit version). */
|
|
else if (is_ril (insn32, op1_slfi, op2_slfi, &r1, &i2)
|
|
|| is_ril (insn64, op1_slgfi, op2_slgfi, &r1, &i2))
|
|
data->gpr[r1] = pv_add_constant (data->gpr[r1],
|
|
-((CORE_ADDR)i2 & 0xffffffff));
|
|
|
|
/* SR r1, r2 -- subtract register. */
|
|
/* SGR r1, r2 -- subtract register (64-bit version). */
|
|
else if (is_rr (insn32, op_sr, &r1, &r2)
|
|
|| is_rre (insn64, op_sgr, &r1, &r2))
|
|
data->gpr[r1] = pv_subtract (data->gpr[r1], data->gpr[r2]);
|
|
|
|
/* S r1, d2(x2, b2) -- subtract. */
|
|
/* SY r1, d2(x2, b2) -- subtract (long-displacement version). */
|
|
/* SG r1, d2(x2, b2) -- subtract (64-bit version). */
|
|
else if (is_rx (insn32, op_s, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn32, op1_sy, op2_sy, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn64, op1_sg, op2_sg, &r1, &d2, &x2, &b2))
|
|
data->gpr[r1] = pv_subtract (data->gpr[r1],
|
|
s390_load (data, d2, x2, b2, data->gpr_size));
|
|
|
|
/* LA r1, d2(x2, b2) --- load address. */
|
|
/* LAY r1, d2(x2, b2) --- load address (long-displacement version). */
|
|
else if (is_rx (insn, op_la, &r1, &d2, &x2, &b2)
|
|
|| is_rxy (insn, op1_lay, op2_lay, &r1, &d2, &x2, &b2))
|
|
data->gpr[r1] = s390_addr (data, d2, x2, b2);
|
|
|
|
/* LARL r1, i2 --- load address relative long. */
|
|
else if (is_ril (insn, op1_larl, op2_larl, &r1, &i2))
|
|
data->gpr[r1] = pv_constant (pc + i2 * 2);
|
|
|
|
/* BASR r1, 0 --- branch and save.
|
|
Since r2 is zero, this saves the PC in r1, but doesn't branch. */
|
|
else if (is_rr (insn, op_basr, &r1, &r2)
|
|
&& r2 == 0)
|
|
data->gpr[r1] = pv_constant (next_pc);
|
|
|
|
/* BRAS r1, i2 --- branch relative and save. */
|
|
else if (is_ri (insn, op1_bras, op2_bras, &r1, &i2))
|
|
{
|
|
data->gpr[r1] = pv_constant (next_pc);
|
|
next_pc = pc + i2 * 2;
|
|
|
|
/* We'd better not interpret any backward branches. We'll
|
|
never terminate. */
|
|
if (next_pc <= pc)
|
|
break;
|
|
}
|
|
|
|
/* BRC/BRCL -- branch relative on condition. Ignore "branch
|
|
never", branch to following instruction, and "conditional
|
|
trap" (BRC +2). Otherwise terminate search. */
|
|
else if (is_ri (insn, op1_brc, op2_brc, &r1, &i2))
|
|
{
|
|
if (r1 != 0 && i2 != 1 && i2 != 2)
|
|
break;
|
|
}
|
|
else if (is_ril (insn, op1_brcl, op2_brcl, &r1, &i2))
|
|
{
|
|
if (r1 != 0 && i2 != 3)
|
|
break;
|
|
}
|
|
|
|
/* Terminate search when hitting any other branch instruction. */
|
|
else if (is_rr (insn, op_basr, &r1, &r2)
|
|
|| is_rx (insn, op_bas, &r1, &d2, &x2, &b2)
|
|
|| is_rr (insn, op_bcr, &r1, &r2)
|
|
|| is_rx (insn, op_bc, &r1, &d2, &x2, &b2)
|
|
|| is_ril (insn, op1_brasl, op2_brasl, &r2, &i2))
|
|
break;
|
|
|
|
else
|
|
{
|
|
/* An instruction we don't know how to simulate. The only
|
|
safe thing to do would be to set every value we're tracking
|
|
to 'unknown'. Instead, we'll be optimistic: we assume that
|
|
we *can* interpret every instruction that the compiler uses
|
|
to manipulate any of the data we're interested in here --
|
|
then we can just ignore anything else. */
|
|
}
|
|
|
|
/* Record the address after the last instruction that changed
|
|
the FP, SP, or backlink. Ignore instructions that changed
|
|
them back to their original values --- those are probably
|
|
restore instructions. (The back chain is never restored,
|
|
just popped.) */
|
|
{
|
|
pv_t sp = data->gpr[S390_SP_REGNUM - S390_R0_REGNUM];
|
|
pv_t fp = data->gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
|
|
|
|
if ((! pv_is_identical (pre_insn_sp, sp)
|
|
&& ! pv_is_register_k (sp, S390_SP_REGNUM, 0)
|
|
&& sp.kind != pvk_unknown)
|
|
|| (! pv_is_identical (pre_insn_fp, fp)
|
|
&& ! pv_is_register_k (fp, S390_FRAME_REGNUM, 0)
|
|
&& fp.kind != pvk_unknown)
|
|
|| pre_insn_back_chain_saved_p != data->back_chain_saved_p)
|
|
result = next_pc;
|
|
}
|
|
}
|
|
|
|
/* Record where all the registers were saved. */
|
|
data->stack->scan (s390_check_for_saved, data);
|
|
|
|
return result;
|
|
}
|
|
|
|
/* Advance PC across any function entry prologue instructions to reach
|
|
some "real" code. */
|
|
|
|
static CORE_ADDR
|
|
s390_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
|
|
{
|
|
struct s390_prologue_data data;
|
|
CORE_ADDR skip_pc, func_addr;
|
|
|
|
if (find_pc_partial_function (pc, NULL, &func_addr, NULL))
|
|
{
|
|
CORE_ADDR post_prologue_pc
|
|
= skip_prologue_using_sal (gdbarch, func_addr);
|
|
if (post_prologue_pc != 0)
|
|
return std::max (pc, post_prologue_pc);
|
|
}
|
|
|
|
skip_pc = s390_analyze_prologue (gdbarch, pc, (CORE_ADDR)-1, &data);
|
|
return skip_pc ? skip_pc : pc;
|
|
}
|
|
|
|
/* Register handling. */
|
|
|
|
/* ABI call-saved register information. */
|
|
|
|
static int
|
|
s390_register_call_saved (struct gdbarch *gdbarch, int regnum)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
|
|
switch (tdep->abi)
|
|
{
|
|
case ABI_LINUX_S390:
|
|
if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
|
|
|| regnum == S390_F4_REGNUM || regnum == S390_F6_REGNUM
|
|
|| regnum == S390_A0_REGNUM)
|
|
return 1;
|
|
|
|
break;
|
|
|
|
case ABI_LINUX_ZSERIES:
|
|
if ((regnum >= S390_R6_REGNUM && regnum <= S390_R15_REGNUM)
|
|
|| (regnum >= S390_F8_REGNUM && regnum <= S390_F15_REGNUM)
|
|
|| (regnum >= S390_A0_REGNUM && regnum <= S390_A1_REGNUM))
|
|
return 1;
|
|
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* The "guess_tracepoint_registers" gdbarch method. */
|
|
|
|
static void
|
|
s390_guess_tracepoint_registers (struct gdbarch *gdbarch,
|
|
struct regcache *regcache,
|
|
CORE_ADDR addr)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
int sz = register_size (gdbarch, S390_PSWA_REGNUM);
|
|
gdb_byte *reg = (gdb_byte *) alloca (sz);
|
|
ULONGEST pswm, pswa;
|
|
|
|
/* Set PSWA from the location and a default PSWM (the only part we're
|
|
unlikely to get right is the CC). */
|
|
if (tdep->abi == ABI_LINUX_S390)
|
|
{
|
|
/* 31-bit PSWA needs high bit set (it's very unlikely the target
|
|
was in 24-bit mode). */
|
|
pswa = addr | 0x80000000UL;
|
|
pswm = 0x070d0000UL;
|
|
}
|
|
else
|
|
{
|
|
pswa = addr;
|
|
pswm = 0x0705000180000000ULL;
|
|
}
|
|
|
|
store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswa);
|
|
regcache->raw_supply (S390_PSWA_REGNUM, reg);
|
|
|
|
store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pswm);
|
|
regcache->raw_supply (S390_PSWM_REGNUM, reg);
|
|
}
|
|
|
|
/* Return the name of register REGNO. Return the empty string for
|
|
registers that shouldn't be visible. */
|
|
|
|
static const char *
|
|
s390_register_name (struct gdbarch *gdbarch, int regnum)
|
|
{
|
|
if (regnum >= S390_V0_LOWER_REGNUM
|
|
&& regnum <= S390_V15_LOWER_REGNUM)
|
|
return "";
|
|
return tdesc_register_name (gdbarch, regnum);
|
|
}
|
|
|
|
/* DWARF Register Mapping. */
|
|
|
|
static const short s390_dwarf_regmap[] =
|
|
{
|
|
/* 0-15: General Purpose Registers. */
|
|
S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
|
|
S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
|
|
S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
|
|
S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
|
|
|
|
/* 16-31: Floating Point Registers / Vector Registers 0-15. */
|
|
S390_F0_REGNUM, S390_F2_REGNUM, S390_F4_REGNUM, S390_F6_REGNUM,
|
|
S390_F1_REGNUM, S390_F3_REGNUM, S390_F5_REGNUM, S390_F7_REGNUM,
|
|
S390_F8_REGNUM, S390_F10_REGNUM, S390_F12_REGNUM, S390_F14_REGNUM,
|
|
S390_F9_REGNUM, S390_F11_REGNUM, S390_F13_REGNUM, S390_F15_REGNUM,
|
|
|
|
/* 32-47: Control Registers (not mapped). */
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
|
|
/* 48-63: Access Registers. */
|
|
S390_A0_REGNUM, S390_A1_REGNUM, S390_A2_REGNUM, S390_A3_REGNUM,
|
|
S390_A4_REGNUM, S390_A5_REGNUM, S390_A6_REGNUM, S390_A7_REGNUM,
|
|
S390_A8_REGNUM, S390_A9_REGNUM, S390_A10_REGNUM, S390_A11_REGNUM,
|
|
S390_A12_REGNUM, S390_A13_REGNUM, S390_A14_REGNUM, S390_A15_REGNUM,
|
|
|
|
/* 64-65: Program Status Word. */
|
|
S390_PSWM_REGNUM,
|
|
S390_PSWA_REGNUM,
|
|
|
|
/* 66-67: Reserved. */
|
|
-1, -1,
|
|
|
|
/* 68-83: Vector Registers 16-31. */
|
|
S390_V16_REGNUM, S390_V18_REGNUM, S390_V20_REGNUM, S390_V22_REGNUM,
|
|
S390_V17_REGNUM, S390_V19_REGNUM, S390_V21_REGNUM, S390_V23_REGNUM,
|
|
S390_V24_REGNUM, S390_V26_REGNUM, S390_V28_REGNUM, S390_V30_REGNUM,
|
|
S390_V25_REGNUM, S390_V27_REGNUM, S390_V29_REGNUM, S390_V31_REGNUM,
|
|
|
|
/* End of "official" DWARF registers. The remainder of the map is
|
|
for GDB internal use only. */
|
|
|
|
/* GPR Lower Half Access. */
|
|
S390_R0_REGNUM, S390_R1_REGNUM, S390_R2_REGNUM, S390_R3_REGNUM,
|
|
S390_R4_REGNUM, S390_R5_REGNUM, S390_R6_REGNUM, S390_R7_REGNUM,
|
|
S390_R8_REGNUM, S390_R9_REGNUM, S390_R10_REGNUM, S390_R11_REGNUM,
|
|
S390_R12_REGNUM, S390_R13_REGNUM, S390_R14_REGNUM, S390_R15_REGNUM,
|
|
};
|
|
|
|
enum { s390_dwarf_reg_r0l = ARRAY_SIZE (s390_dwarf_regmap) - 16 };
|
|
|
|
/* Convert DWARF register number REG to the appropriate register
|
|
number used by GDB. */
|
|
|
|
static int
|
|
s390_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
int gdb_reg = -1;
|
|
|
|
/* In a 32-on-64 debug scenario, debug info refers to the full
|
|
64-bit GPRs. Note that call frame information still refers to
|
|
the 32-bit lower halves, because s390_adjust_frame_regnum uses
|
|
special register numbers to access GPRs. */
|
|
if (tdep->gpr_full_regnum != -1 && reg >= 0 && reg < 16)
|
|
return tdep->gpr_full_regnum + reg;
|
|
|
|
if (reg >= 0 && reg < ARRAY_SIZE (s390_dwarf_regmap))
|
|
gdb_reg = s390_dwarf_regmap[reg];
|
|
|
|
if (tdep->v0_full_regnum == -1)
|
|
{
|
|
if (gdb_reg >= S390_V16_REGNUM && gdb_reg <= S390_V31_REGNUM)
|
|
gdb_reg = -1;
|
|
}
|
|
else
|
|
{
|
|
if (gdb_reg >= S390_F0_REGNUM && gdb_reg <= S390_F15_REGNUM)
|
|
gdb_reg = gdb_reg - S390_F0_REGNUM + tdep->v0_full_regnum;
|
|
}
|
|
|
|
return gdb_reg;
|
|
}
|
|
|
|
/* Pseudo registers. */
|
|
|
|
/* Check whether REGNUM indicates a coupled general purpose register.
|
|
These pseudo-registers are composed of two adjacent gprs. */
|
|
|
|
static int
|
|
regnum_is_gpr_full (struct gdbarch_tdep *tdep, int regnum)
|
|
{
|
|
return (tdep->gpr_full_regnum != -1
|
|
&& regnum >= tdep->gpr_full_regnum
|
|
&& regnum <= tdep->gpr_full_regnum + 15);
|
|
}
|
|
|
|
/* Check whether REGNUM indicates a full vector register (v0-v15).
|
|
These pseudo-registers are composed of f0-f15 and v0l-v15l. */
|
|
|
|
static int
|
|
regnum_is_vxr_full (struct gdbarch_tdep *tdep, int regnum)
|
|
{
|
|
return (tdep->v0_full_regnum != -1
|
|
&& regnum >= tdep->v0_full_regnum
|
|
&& regnum <= tdep->v0_full_regnum + 15);
|
|
}
|
|
|
|
/* 'float' values are stored in the upper half of floating-point
|
|
registers, even though we are otherwise a big-endian platform. The
|
|
same applies to a 'float' value within a vector. */
|
|
|
|
static struct value *
|
|
s390_value_from_register (struct gdbarch *gdbarch, struct type *type,
|
|
int regnum, struct frame_id frame_id)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
struct value *value = default_value_from_register (gdbarch, type,
|
|
regnum, frame_id);
|
|
check_typedef (type);
|
|
|
|
if ((regnum >= S390_F0_REGNUM && regnum <= S390_F15_REGNUM
|
|
&& TYPE_LENGTH (type) < 8)
|
|
|| regnum_is_vxr_full (tdep, regnum)
|
|
|| (regnum >= S390_V16_REGNUM && regnum <= S390_V31_REGNUM))
|
|
set_value_offset (value, 0);
|
|
|
|
return value;
|
|
}
|
|
|
|
/* Implement pseudo_register_name tdesc method. */
|
|
|
|
static const char *
|
|
s390_pseudo_register_name (struct gdbarch *gdbarch, int regnum)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
|
|
if (regnum == tdep->pc_regnum)
|
|
return "pc";
|
|
|
|
if (regnum == tdep->cc_regnum)
|
|
return "cc";
|
|
|
|
if (regnum_is_gpr_full (tdep, regnum))
|
|
{
|
|
static const char *full_name[] = {
|
|
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
|
|
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
|
|
};
|
|
return full_name[regnum - tdep->gpr_full_regnum];
|
|
}
|
|
|
|
if (regnum_is_vxr_full (tdep, regnum))
|
|
{
|
|
static const char *full_name[] = {
|
|
"v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
|
|
"v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15"
|
|
};
|
|
return full_name[regnum - tdep->v0_full_regnum];
|
|
}
|
|
|
|
internal_error (__FILE__, __LINE__, _("invalid regnum"));
|
|
}
|
|
|
|
/* Implement pseudo_register_type tdesc method. */
|
|
|
|
static struct type *
|
|
s390_pseudo_register_type (struct gdbarch *gdbarch, int regnum)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
|
|
if (regnum == tdep->pc_regnum)
|
|
return builtin_type (gdbarch)->builtin_func_ptr;
|
|
|
|
if (regnum == tdep->cc_regnum)
|
|
return builtin_type (gdbarch)->builtin_int;
|
|
|
|
if (regnum_is_gpr_full (tdep, regnum))
|
|
return builtin_type (gdbarch)->builtin_uint64;
|
|
|
|
/* For the "concatenated" vector registers use the same type as v16. */
|
|
if (regnum_is_vxr_full (tdep, regnum))
|
|
return tdesc_register_type (gdbarch, S390_V16_REGNUM);
|
|
|
|
internal_error (__FILE__, __LINE__, _("invalid regnum"));
|
|
}
|
|
|
|
/* Implement pseudo_register_read gdbarch method. */
|
|
|
|
static enum register_status
|
|
s390_pseudo_register_read (struct gdbarch *gdbarch, readable_regcache *regcache,
|
|
int regnum, gdb_byte *buf)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
int regsize = register_size (gdbarch, regnum);
|
|
ULONGEST val;
|
|
|
|
if (regnum == tdep->pc_regnum)
|
|
{
|
|
enum register_status status;
|
|
|
|
status = regcache->raw_read (S390_PSWA_REGNUM, &val);
|
|
if (status == REG_VALID)
|
|
{
|
|
if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
|
|
val &= 0x7fffffff;
|
|
store_unsigned_integer (buf, regsize, byte_order, val);
|
|
}
|
|
return status;
|
|
}
|
|
|
|
if (regnum == tdep->cc_regnum)
|
|
{
|
|
enum register_status status;
|
|
|
|
status = regcache->raw_read (S390_PSWM_REGNUM, &val);
|
|
if (status == REG_VALID)
|
|
{
|
|
if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
|
|
val = (val >> 12) & 3;
|
|
else
|
|
val = (val >> 44) & 3;
|
|
store_unsigned_integer (buf, regsize, byte_order, val);
|
|
}
|
|
return status;
|
|
}
|
|
|
|
if (regnum_is_gpr_full (tdep, regnum))
|
|
{
|
|
enum register_status status;
|
|
ULONGEST val_upper;
|
|
|
|
regnum -= tdep->gpr_full_regnum;
|
|
|
|
status = regcache->raw_read (S390_R0_REGNUM + regnum, &val);
|
|
if (status == REG_VALID)
|
|
status = regcache->raw_read (S390_R0_UPPER_REGNUM + regnum,
|
|
&val_upper);
|
|
if (status == REG_VALID)
|
|
{
|
|
val |= val_upper << 32;
|
|
store_unsigned_integer (buf, regsize, byte_order, val);
|
|
}
|
|
return status;
|
|
}
|
|
|
|
if (regnum_is_vxr_full (tdep, regnum))
|
|
{
|
|
enum register_status status;
|
|
|
|
regnum -= tdep->v0_full_regnum;
|
|
|
|
status = regcache->raw_read (S390_F0_REGNUM + regnum, buf);
|
|
if (status == REG_VALID)
|
|
status = regcache->raw_read (S390_V0_LOWER_REGNUM + regnum, buf + 8);
|
|
return status;
|
|
}
|
|
|
|
internal_error (__FILE__, __LINE__, _("invalid regnum"));
|
|
}
|
|
|
|
/* Implement pseudo_register_write gdbarch method. */
|
|
|
|
static void
|
|
s390_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
|
|
int regnum, const gdb_byte *buf)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
int regsize = register_size (gdbarch, regnum);
|
|
ULONGEST val, psw;
|
|
|
|
if (regnum == tdep->pc_regnum)
|
|
{
|
|
val = extract_unsigned_integer (buf, regsize, byte_order);
|
|
if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &psw);
|
|
val = (psw & 0x80000000) | (val & 0x7fffffff);
|
|
}
|
|
regcache_raw_write_unsigned (regcache, S390_PSWA_REGNUM, val);
|
|
return;
|
|
}
|
|
|
|
if (regnum == tdep->cc_regnum)
|
|
{
|
|
val = extract_unsigned_integer (buf, regsize, byte_order);
|
|
regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &psw);
|
|
if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
|
|
val = (psw & ~((ULONGEST)3 << 12)) | ((val & 3) << 12);
|
|
else
|
|
val = (psw & ~((ULONGEST)3 << 44)) | ((val & 3) << 44);
|
|
regcache_raw_write_unsigned (regcache, S390_PSWM_REGNUM, val);
|
|
return;
|
|
}
|
|
|
|
if (regnum_is_gpr_full (tdep, regnum))
|
|
{
|
|
regnum -= tdep->gpr_full_regnum;
|
|
val = extract_unsigned_integer (buf, regsize, byte_order);
|
|
regcache_raw_write_unsigned (regcache, S390_R0_REGNUM + regnum,
|
|
val & 0xffffffff);
|
|
regcache_raw_write_unsigned (regcache, S390_R0_UPPER_REGNUM + regnum,
|
|
val >> 32);
|
|
return;
|
|
}
|
|
|
|
if (regnum_is_vxr_full (tdep, regnum))
|
|
{
|
|
regnum -= tdep->v0_full_regnum;
|
|
regcache->raw_write (S390_F0_REGNUM + regnum, buf);
|
|
regcache->raw_write (S390_V0_LOWER_REGNUM + regnum, buf + 8);
|
|
return;
|
|
}
|
|
|
|
internal_error (__FILE__, __LINE__, _("invalid regnum"));
|
|
}
|
|
|
|
/* Register groups. */
|
|
|
|
/* Implement pseudo_register_reggroup_p tdesc method. */
|
|
|
|
static int
|
|
s390_pseudo_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
|
|
struct reggroup *group)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
|
|
/* We usually save/restore the whole PSW, which includes PC and CC.
|
|
However, some older gdbservers may not support saving/restoring
|
|
the whole PSW yet, and will return an XML register description
|
|
excluding those from the save/restore register groups. In those
|
|
cases, we still need to explicitly save/restore PC and CC in order
|
|
to push or pop frames. Since this doesn't hurt anything if we
|
|
already save/restore the whole PSW (it's just redundant), we add
|
|
PC and CC at this point unconditionally. */
|
|
if (group == save_reggroup || group == restore_reggroup)
|
|
return regnum == tdep->pc_regnum || regnum == tdep->cc_regnum;
|
|
|
|
if (group == vector_reggroup)
|
|
return regnum_is_vxr_full (tdep, regnum);
|
|
|
|
if (group == general_reggroup && regnum_is_vxr_full (tdep, regnum))
|
|
return 0;
|
|
|
|
return default_register_reggroup_p (gdbarch, regnum, group);
|
|
}
|
|
|
|
/* The "ax_pseudo_register_collect" gdbarch method. */
|
|
|
|
static int
|
|
s390_ax_pseudo_register_collect (struct gdbarch *gdbarch,
|
|
struct agent_expr *ax, int regnum)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
if (regnum == tdep->pc_regnum)
|
|
{
|
|
ax_reg_mask (ax, S390_PSWA_REGNUM);
|
|
}
|
|
else if (regnum == tdep->cc_regnum)
|
|
{
|
|
ax_reg_mask (ax, S390_PSWM_REGNUM);
|
|
}
|
|
else if (regnum_is_gpr_full (tdep, regnum))
|
|
{
|
|
regnum -= tdep->gpr_full_regnum;
|
|
ax_reg_mask (ax, S390_R0_REGNUM + regnum);
|
|
ax_reg_mask (ax, S390_R0_UPPER_REGNUM + regnum);
|
|
}
|
|
else if (regnum_is_vxr_full (tdep, regnum))
|
|
{
|
|
regnum -= tdep->v0_full_regnum;
|
|
ax_reg_mask (ax, S390_F0_REGNUM + regnum);
|
|
ax_reg_mask (ax, S390_V0_LOWER_REGNUM + regnum);
|
|
}
|
|
else
|
|
{
|
|
internal_error (__FILE__, __LINE__, _("invalid regnum"));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* The "ax_pseudo_register_push_stack" gdbarch method. */
|
|
|
|
static int
|
|
s390_ax_pseudo_register_push_stack (struct gdbarch *gdbarch,
|
|
struct agent_expr *ax, int regnum)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
if (regnum == tdep->pc_regnum)
|
|
{
|
|
ax_reg (ax, S390_PSWA_REGNUM);
|
|
if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
|
|
{
|
|
ax_zero_ext (ax, 31);
|
|
}
|
|
}
|
|
else if (regnum == tdep->cc_regnum)
|
|
{
|
|
ax_reg (ax, S390_PSWM_REGNUM);
|
|
if (register_size (gdbarch, S390_PSWA_REGNUM) == 4)
|
|
ax_const_l (ax, 12);
|
|
else
|
|
ax_const_l (ax, 44);
|
|
ax_simple (ax, aop_rsh_unsigned);
|
|
ax_zero_ext (ax, 2);
|
|
}
|
|
else if (regnum_is_gpr_full (tdep, regnum))
|
|
{
|
|
regnum -= tdep->gpr_full_regnum;
|
|
ax_reg (ax, S390_R0_REGNUM + regnum);
|
|
ax_reg (ax, S390_R0_UPPER_REGNUM + regnum);
|
|
ax_const_l (ax, 32);
|
|
ax_simple (ax, aop_lsh);
|
|
ax_simple (ax, aop_bit_or);
|
|
}
|
|
else if (regnum_is_vxr_full (tdep, regnum))
|
|
{
|
|
/* Too large to stuff on the stack. */
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
internal_error (__FILE__, __LINE__, _("invalid regnum"));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* The "gen_return_address" gdbarch method. Since this is supposed to be
|
|
just a best-effort method, and we don't really have the means to run
|
|
the full unwinder here, just collect the link register. */
|
|
|
|
static void
|
|
s390_gen_return_address (struct gdbarch *gdbarch,
|
|
struct agent_expr *ax, struct axs_value *value,
|
|
CORE_ADDR scope)
|
|
{
|
|
value->type = register_type (gdbarch, S390_R14_REGNUM);
|
|
value->kind = axs_lvalue_register;
|
|
value->u.reg = S390_R14_REGNUM;
|
|
}
|
|
|
|
/* Address handling. */
|
|
|
|
/* Implement addr_bits_remove gdbarch method.
|
|
Only used for ABI_LINUX_S390. */
|
|
|
|
static CORE_ADDR
|
|
s390_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr)
|
|
{
|
|
return addr & 0x7fffffff;
|
|
}
|
|
|
|
/* Implement addr_class_type_flags gdbarch method.
|
|
Only used for ABI_LINUX_ZSERIES. */
|
|
|
|
static type_instance_flags
|
|
s390_address_class_type_flags (int byte_size, int dwarf2_addr_class)
|
|
{
|
|
if (byte_size == 4)
|
|
return TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
/* Implement addr_class_type_flags_to_name gdbarch method.
|
|
Only used for ABI_LINUX_ZSERIES. */
|
|
|
|
static const char *
|
|
s390_address_class_type_flags_to_name (struct gdbarch *gdbarch,
|
|
type_instance_flags type_flags)
|
|
{
|
|
if (type_flags & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
|
|
return "mode32";
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
/* Implement addr_class_name_to_type_flags gdbarch method.
|
|
Only used for ABI_LINUX_ZSERIES. */
|
|
|
|
static bool
|
|
s390_address_class_name_to_type_flags (struct gdbarch *gdbarch,
|
|
const char *name,
|
|
type_instance_flags *type_flags_ptr)
|
|
{
|
|
if (strcmp (name, "mode32") == 0)
|
|
{
|
|
*type_flags_ptr = TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
/* Inferior function calls. */
|
|
|
|
/* Dummy function calls. */
|
|
|
|
/* Unwrap any single-field structs in TYPE and return the effective
|
|
"inner" type. E.g., yield "float" for all these cases:
|
|
|
|
float x;
|
|
struct { float x };
|
|
struct { struct { float x; } x; };
|
|
struct { struct { struct { float x; } x; } x; };
|
|
|
|
However, if an inner type is smaller than MIN_SIZE, abort the
|
|
unwrapping. */
|
|
|
|
static struct type *
|
|
s390_effective_inner_type (struct type *type, unsigned int min_size)
|
|
{
|
|
while (type->code () == TYPE_CODE_STRUCT)
|
|
{
|
|
struct type *inner = NULL;
|
|
|
|
/* Find a non-static field, if any. Unless there's exactly one,
|
|
abort the unwrapping. */
|
|
for (int i = 0; i < type->num_fields (); i++)
|
|
{
|
|
struct field f = type->field (i);
|
|
|
|
if (field_is_static (&f))
|
|
continue;
|
|
if (inner != NULL)
|
|
return type;
|
|
inner = f.type ();
|
|
}
|
|
|
|
if (inner == NULL)
|
|
break;
|
|
inner = check_typedef (inner);
|
|
if (TYPE_LENGTH (inner) < min_size)
|
|
break;
|
|
type = inner;
|
|
}
|
|
|
|
return type;
|
|
}
|
|
|
|
/* Return non-zero if TYPE should be passed like "float" or
|
|
"double". */
|
|
|
|
static int
|
|
s390_function_arg_float (struct type *type)
|
|
{
|
|
/* Note that long double as well as complex types are intentionally
|
|
excluded. */
|
|
if (TYPE_LENGTH (type) > 8)
|
|
return 0;
|
|
|
|
/* A struct containing just a float or double is passed like a float
|
|
or double. */
|
|
type = s390_effective_inner_type (type, 0);
|
|
|
|
return (type->code () == TYPE_CODE_FLT
|
|
|| type->code () == TYPE_CODE_DECFLOAT);
|
|
}
|
|
|
|
/* Return non-zero if TYPE should be passed like a vector. */
|
|
|
|
static int
|
|
s390_function_arg_vector (struct type *type)
|
|
{
|
|
if (TYPE_LENGTH (type) > 16)
|
|
return 0;
|
|
|
|
/* Structs containing just a vector are passed like a vector. */
|
|
type = s390_effective_inner_type (type, TYPE_LENGTH (type));
|
|
|
|
return type->code () == TYPE_CODE_ARRAY && type->is_vector ();
|
|
}
|
|
|
|
/* Determine whether N is a power of two. */
|
|
|
|
static int
|
|
is_power_of_two (unsigned int n)
|
|
{
|
|
return n && ((n & (n - 1)) == 0);
|
|
}
|
|
|
|
/* For an argument whose type is TYPE and which is not passed like a
|
|
float or vector, return non-zero if it should be passed like "int"
|
|
or "long long". */
|
|
|
|
static int
|
|
s390_function_arg_integer (struct type *type)
|
|
{
|
|
enum type_code code = type->code ();
|
|
|
|
if (TYPE_LENGTH (type) > 8)
|
|
return 0;
|
|
|
|
if (code == TYPE_CODE_INT
|
|
|| code == TYPE_CODE_ENUM
|
|
|| code == TYPE_CODE_RANGE
|
|
|| code == TYPE_CODE_CHAR
|
|
|| code == TYPE_CODE_BOOL
|
|
|| code == TYPE_CODE_PTR
|
|
|| TYPE_IS_REFERENCE (type))
|
|
return 1;
|
|
|
|
return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT)
|
|
&& is_power_of_two (TYPE_LENGTH (type)));
|
|
}
|
|
|
|
/* Argument passing state: Internal data structure passed to helper
|
|
routines of s390_push_dummy_call. */
|
|
|
|
struct s390_arg_state
|
|
{
|
|
/* Register cache, or NULL, if we are in "preparation mode". */
|
|
struct regcache *regcache;
|
|
/* Next available general/floating-point/vector register for
|
|
argument passing. */
|
|
int gr, fr, vr;
|
|
/* Current pointer to copy area (grows downwards). */
|
|
CORE_ADDR copy;
|
|
/* Current pointer to parameter area (grows upwards). */
|
|
CORE_ADDR argp;
|
|
};
|
|
|
|
/* Prepare one argument ARG for a dummy call and update the argument
|
|
passing state AS accordingly. If the regcache field in AS is set,
|
|
operate in "write mode" and write ARG into the inferior. Otherwise
|
|
run "preparation mode" and skip all updates to the inferior. */
|
|
|
|
static void
|
|
s390_handle_arg (struct s390_arg_state *as, struct value *arg,
|
|
struct gdbarch_tdep *tdep, int word_size,
|
|
enum bfd_endian byte_order, int is_unnamed)
|
|
{
|
|
struct type *type = check_typedef (value_type (arg));
|
|
unsigned int length = TYPE_LENGTH (type);
|
|
int write_mode = as->regcache != NULL;
|
|
|
|
if (s390_function_arg_float (type))
|
|
{
|
|
/* The GNU/Linux for S/390 ABI uses FPRs 0 and 2 to pass
|
|
arguments. The GNU/Linux for zSeries ABI uses 0, 2, 4, and
|
|
6. */
|
|
if (as->fr <= (tdep->abi == ABI_LINUX_S390 ? 2 : 6))
|
|
{
|
|
/* When we store a single-precision value in an FP register,
|
|
it occupies the leftmost bits. */
|
|
if (write_mode)
|
|
as->regcache->cooked_write_part (S390_F0_REGNUM + as->fr, 0, length,
|
|
value_contents (arg));
|
|
as->fr += 2;
|
|
}
|
|
else
|
|
{
|
|
/* When we store a single-precision value in a stack slot,
|
|
it occupies the rightmost bits. */
|
|
as->argp = align_up (as->argp + length, word_size);
|
|
if (write_mode)
|
|
write_memory (as->argp - length, value_contents (arg),
|
|
length);
|
|
}
|
|
}
|
|
else if (tdep->vector_abi == S390_VECTOR_ABI_128
|
|
&& s390_function_arg_vector (type))
|
|
{
|
|
static const char use_vr[] = {24, 26, 28, 30, 25, 27, 29, 31};
|
|
|
|
if (!is_unnamed && as->vr < ARRAY_SIZE (use_vr))
|
|
{
|
|
int regnum = S390_V24_REGNUM + use_vr[as->vr] - 24;
|
|
|
|
if (write_mode)
|
|
as->regcache->cooked_write_part (regnum, 0, length,
|
|
value_contents (arg));
|
|
as->vr++;
|
|
}
|
|
else
|
|
{
|
|
if (write_mode)
|
|
write_memory (as->argp, value_contents (arg), length);
|
|
as->argp = align_up (as->argp + length, word_size);
|
|
}
|
|
}
|
|
else if (s390_function_arg_integer (type) && length <= word_size)
|
|
{
|
|
/* Initialize it just to avoid a GCC false warning. */
|
|
ULONGEST val = 0;
|
|
|
|
if (write_mode)
|
|
{
|
|
/* Place value in least significant bits of the register or
|
|
memory word and sign- or zero-extend to full word size.
|
|
This also applies to a struct or union. */
|
|
val = type->is_unsigned ()
|
|
? extract_unsigned_integer (value_contents (arg),
|
|
length, byte_order)
|
|
: extract_signed_integer (value_contents (arg),
|
|
length, byte_order);
|
|
}
|
|
|
|
if (as->gr <= 6)
|
|
{
|
|
if (write_mode)
|
|
regcache_cooked_write_unsigned (as->regcache,
|
|
S390_R0_REGNUM + as->gr,
|
|
val);
|
|
as->gr++;
|
|
}
|
|
else
|
|
{
|
|
if (write_mode)
|
|
write_memory_unsigned_integer (as->argp, word_size,
|
|
byte_order, val);
|
|
as->argp += word_size;
|
|
}
|
|
}
|
|
else if (s390_function_arg_integer (type) && length == 8)
|
|
{
|
|
if (as->gr <= 5)
|
|
{
|
|
if (write_mode)
|
|
{
|
|
as->regcache->cooked_write (S390_R0_REGNUM + as->gr,
|
|
value_contents (arg));
|
|
as->regcache->cooked_write (S390_R0_REGNUM + as->gr + 1,
|
|
value_contents (arg) + word_size);
|
|
}
|
|
as->gr += 2;
|
|
}
|
|
else
|
|
{
|
|
/* If we skipped r6 because we couldn't fit a DOUBLE_ARG
|
|
in it, then don't go back and use it again later. */
|
|
as->gr = 7;
|
|
|
|
if (write_mode)
|
|
write_memory (as->argp, value_contents (arg), length);
|
|
as->argp += length;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* This argument type is never passed in registers. Place the
|
|
value in the copy area and pass a pointer to it. Use 8-byte
|
|
alignment as a conservative assumption. */
|
|
as->copy = align_down (as->copy - length, 8);
|
|
if (write_mode)
|
|
write_memory (as->copy, value_contents (arg), length);
|
|
|
|
if (as->gr <= 6)
|
|
{
|
|
if (write_mode)
|
|
regcache_cooked_write_unsigned (as->regcache,
|
|
S390_R0_REGNUM + as->gr,
|
|
as->copy);
|
|
as->gr++;
|
|
}
|
|
else
|
|
{
|
|
if (write_mode)
|
|
write_memory_unsigned_integer (as->argp, word_size,
|
|
byte_order, as->copy);
|
|
as->argp += word_size;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Put the actual parameter values pointed to by ARGS[0..NARGS-1] in
|
|
place to be passed to a function, as specified by the "GNU/Linux
|
|
for S/390 ELF Application Binary Interface Supplement".
|
|
|
|
SP is the current stack pointer. We must put arguments, links,
|
|
padding, etc. whereever they belong, and return the new stack
|
|
pointer value.
|
|
|
|
If STRUCT_RETURN is non-zero, then the function we're calling is
|
|
going to return a structure by value; STRUCT_ADDR is the address of
|
|
a block we've allocated for it on the stack.
|
|
|
|
Our caller has taken care of any type promotions needed to satisfy
|
|
prototypes or the old K&R argument-passing rules. */
|
|
|
|
static CORE_ADDR
|
|
s390_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
|
|
struct regcache *regcache, CORE_ADDR bp_addr,
|
|
int nargs, struct value **args, CORE_ADDR sp,
|
|
function_call_return_method return_method,
|
|
CORE_ADDR struct_addr)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
int i;
|
|
struct s390_arg_state arg_state, arg_prep;
|
|
CORE_ADDR param_area_start, new_sp;
|
|
struct type *ftype = check_typedef (value_type (function));
|
|
|
|
if (ftype->code () == TYPE_CODE_PTR)
|
|
ftype = check_typedef (TYPE_TARGET_TYPE (ftype));
|
|
|
|
arg_prep.copy = sp;
|
|
arg_prep.gr = (return_method == return_method_struct) ? 3 : 2;
|
|
arg_prep.fr = 0;
|
|
arg_prep.vr = 0;
|
|
arg_prep.argp = 0;
|
|
arg_prep.regcache = NULL;
|
|
|
|
/* Initialize arg_state for "preparation mode". */
|
|
arg_state = arg_prep;
|
|
|
|
/* Update arg_state.copy with the start of the reference-to-copy area
|
|
and arg_state.argp with the size of the parameter area. */
|
|
for (i = 0; i < nargs; i++)
|
|
s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
|
|
ftype->has_varargs () && i >= ftype->num_fields ());
|
|
|
|
param_area_start = align_down (arg_state.copy - arg_state.argp, 8);
|
|
|
|
/* Allocate the standard frame areas: the register save area, the
|
|
word reserved for the compiler, and the back chain pointer. */
|
|
new_sp = param_area_start - (16 * word_size + 32);
|
|
|
|
/* Now we have the final stack pointer. Make sure we didn't
|
|
underflow; on 31-bit, this would result in addresses with the
|
|
high bit set, which causes confusion elsewhere. Note that if we
|
|
error out here, stack and registers remain untouched. */
|
|
if (gdbarch_addr_bits_remove (gdbarch, new_sp) != new_sp)
|
|
error (_("Stack overflow"));
|
|
|
|
/* Pass the structure return address in general register 2. */
|
|
if (return_method == return_method_struct)
|
|
regcache_cooked_write_unsigned (regcache, S390_R2_REGNUM, struct_addr);
|
|
|
|
/* Initialize arg_state for "write mode". */
|
|
arg_state = arg_prep;
|
|
arg_state.argp = param_area_start;
|
|
arg_state.regcache = regcache;
|
|
|
|
/* Write all parameters. */
|
|
for (i = 0; i < nargs; i++)
|
|
s390_handle_arg (&arg_state, args[i], tdep, word_size, byte_order,
|
|
ftype->has_varargs () && i >= ftype->num_fields ());
|
|
|
|
/* Store return PSWA. In 31-bit mode, keep addressing mode bit. */
|
|
if (word_size == 4)
|
|
{
|
|
ULONGEST pswa;
|
|
regcache_cooked_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
|
|
bp_addr = (bp_addr & 0x7fffffff) | (pswa & 0x80000000);
|
|
}
|
|
regcache_cooked_write_unsigned (regcache, S390_RETADDR_REGNUM, bp_addr);
|
|
|
|
/* Store updated stack pointer. */
|
|
regcache_cooked_write_unsigned (regcache, S390_SP_REGNUM, new_sp);
|
|
|
|
/* We need to return the 'stack part' of the frame ID,
|
|
which is actually the top of the register save area. */
|
|
return param_area_start;
|
|
}
|
|
|
|
/* Assuming THIS_FRAME is a dummy, return the frame ID of that
|
|
dummy frame. The frame ID's base needs to match the TOS value
|
|
returned by push_dummy_call, and the PC match the dummy frame's
|
|
breakpoint. */
|
|
|
|
static struct frame_id
|
|
s390_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
|
|
{
|
|
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
|
|
CORE_ADDR sp = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
|
|
sp = gdbarch_addr_bits_remove (gdbarch, sp);
|
|
|
|
return frame_id_build (sp + 16*word_size + 32,
|
|
get_frame_pc (this_frame));
|
|
}
|
|
|
|
/* Implement frame_align gdbarch method. */
|
|
|
|
static CORE_ADDR
|
|
s390_frame_align (struct gdbarch *gdbarch, CORE_ADDR addr)
|
|
{
|
|
/* Both the 32- and 64-bit ABI's say that the stack pointer should
|
|
always be aligned on an eight-byte boundary. */
|
|
return (addr & -8);
|
|
}
|
|
|
|
/* Helper for s390_return_value: Set or retrieve a function return
|
|
value if it resides in a register. */
|
|
|
|
static void
|
|
s390_register_return_value (struct gdbarch *gdbarch, struct type *type,
|
|
struct regcache *regcache,
|
|
gdb_byte *out, const gdb_byte *in)
|
|
{
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
|
|
int length = TYPE_LENGTH (type);
|
|
int code = type->code ();
|
|
|
|
if (code == TYPE_CODE_FLT || code == TYPE_CODE_DECFLOAT)
|
|
{
|
|
/* Float-like value: left-aligned in f0. */
|
|
if (in != NULL)
|
|
regcache->cooked_write_part (S390_F0_REGNUM, 0, length, in);
|
|
else
|
|
regcache->cooked_read_part (S390_F0_REGNUM, 0, length, out);
|
|
}
|
|
else if (code == TYPE_CODE_ARRAY)
|
|
{
|
|
/* Vector: left-aligned in v24. */
|
|
if (in != NULL)
|
|
regcache->cooked_write_part (S390_V24_REGNUM, 0, length, in);
|
|
else
|
|
regcache->cooked_read_part (S390_V24_REGNUM, 0, length, out);
|
|
}
|
|
else if (length <= word_size)
|
|
{
|
|
/* Integer: zero- or sign-extended in r2. */
|
|
if (out != NULL)
|
|
regcache->cooked_read_part (S390_R2_REGNUM, word_size - length, length,
|
|
out);
|
|
else if (type->is_unsigned ())
|
|
regcache_cooked_write_unsigned
|
|
(regcache, S390_R2_REGNUM,
|
|
extract_unsigned_integer (in, length, byte_order));
|
|
else
|
|
regcache_cooked_write_signed
|
|
(regcache, S390_R2_REGNUM,
|
|
extract_signed_integer (in, length, byte_order));
|
|
}
|
|
else if (length == 2 * word_size)
|
|
{
|
|
/* Double word: in r2 and r3. */
|
|
if (in != NULL)
|
|
{
|
|
regcache->cooked_write (S390_R2_REGNUM, in);
|
|
regcache->cooked_write (S390_R3_REGNUM, in + word_size);
|
|
}
|
|
else
|
|
{
|
|
regcache->cooked_read (S390_R2_REGNUM, out);
|
|
regcache->cooked_read (S390_R3_REGNUM, out + word_size);
|
|
}
|
|
}
|
|
else
|
|
internal_error (__FILE__, __LINE__, _("invalid return type"));
|
|
}
|
|
|
|
/* Implement the 'return_value' gdbarch method. */
|
|
|
|
static enum return_value_convention
|
|
s390_return_value (struct gdbarch *gdbarch, struct value *function,
|
|
struct type *type, struct regcache *regcache,
|
|
gdb_byte *out, const gdb_byte *in)
|
|
{
|
|
enum return_value_convention rvc;
|
|
|
|
type = check_typedef (type);
|
|
|
|
switch (type->code ())
|
|
{
|
|
case TYPE_CODE_STRUCT:
|
|
case TYPE_CODE_UNION:
|
|
case TYPE_CODE_COMPLEX:
|
|
rvc = RETURN_VALUE_STRUCT_CONVENTION;
|
|
break;
|
|
case TYPE_CODE_ARRAY:
|
|
rvc = (gdbarch_tdep (gdbarch)->vector_abi == S390_VECTOR_ABI_128
|
|
&& TYPE_LENGTH (type) <= 16 && type->is_vector ())
|
|
? RETURN_VALUE_REGISTER_CONVENTION
|
|
: RETURN_VALUE_STRUCT_CONVENTION;
|
|
break;
|
|
default:
|
|
rvc = TYPE_LENGTH (type) <= 8
|
|
? RETURN_VALUE_REGISTER_CONVENTION
|
|
: RETURN_VALUE_STRUCT_CONVENTION;
|
|
}
|
|
|
|
if (in != NULL || out != NULL)
|
|
{
|
|
if (rvc == RETURN_VALUE_REGISTER_CONVENTION)
|
|
s390_register_return_value (gdbarch, type, regcache, out, in);
|
|
else if (in != NULL)
|
|
error (_("Cannot set function return value."));
|
|
else
|
|
error (_("Function return value unknown."));
|
|
}
|
|
|
|
return rvc;
|
|
}
|
|
|
|
/* Frame unwinding. */
|
|
|
|
/* Implement the stack_frame_destroyed_p gdbarch method. */
|
|
|
|
static int
|
|
s390_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
|
|
{
|
|
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
|
|
|
|
/* In frameless functions, there's no frame to destroy and thus
|
|
we don't care about the epilogue.
|
|
|
|
In functions with frame, the epilogue sequence is a pair of
|
|
a LM-type instruction that restores (amongst others) the
|
|
return register %r14 and the stack pointer %r15, followed
|
|
by a branch 'br %r14' --or equivalent-- that effects the
|
|
actual return.
|
|
|
|
In that situation, this function needs to return 'true' in
|
|
exactly one case: when pc points to that branch instruction.
|
|
|
|
Thus we try to disassemble the one instructions immediately
|
|
preceding pc and check whether it is an LM-type instruction
|
|
modifying the stack pointer.
|
|
|
|
Note that disassembling backwards is not reliable, so there
|
|
is a slight chance of false positives here ... */
|
|
|
|
bfd_byte insn[6];
|
|
unsigned int r1, r3, b2;
|
|
int d2;
|
|
|
|
if (word_size == 4
|
|
&& !target_read_memory (pc - 4, insn, 4)
|
|
&& is_rs (insn, op_lm, &r1, &r3, &d2, &b2)
|
|
&& r3 == S390_SP_REGNUM - S390_R0_REGNUM)
|
|
return 1;
|
|
|
|
if (word_size == 4
|
|
&& !target_read_memory (pc - 6, insn, 6)
|
|
&& is_rsy (insn, op1_lmy, op2_lmy, &r1, &r3, &d2, &b2)
|
|
&& r3 == S390_SP_REGNUM - S390_R0_REGNUM)
|
|
return 1;
|
|
|
|
if (word_size == 8
|
|
&& !target_read_memory (pc - 6, insn, 6)
|
|
&& is_rsy (insn, op1_lmg, op2_lmg, &r1, &r3, &d2, &b2)
|
|
&& r3 == S390_SP_REGNUM - S390_R0_REGNUM)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Implement unwind_pc gdbarch method. */
|
|
|
|
static CORE_ADDR
|
|
s390_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
ULONGEST pc;
|
|
pc = frame_unwind_register_unsigned (next_frame, tdep->pc_regnum);
|
|
return gdbarch_addr_bits_remove (gdbarch, pc);
|
|
}
|
|
|
|
/* Implement unwind_sp gdbarch method. */
|
|
|
|
static CORE_ADDR
|
|
s390_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
|
|
{
|
|
ULONGEST sp;
|
|
sp = frame_unwind_register_unsigned (next_frame, S390_SP_REGNUM);
|
|
return gdbarch_addr_bits_remove (gdbarch, sp);
|
|
}
|
|
|
|
/* Helper routine to unwind pseudo registers. */
|
|
|
|
static struct value *
|
|
s390_unwind_pseudo_register (struct frame_info *this_frame, int regnum)
|
|
{
|
|
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
struct type *type = register_type (gdbarch, regnum);
|
|
|
|
/* Unwind PC via PSW address. */
|
|
if (regnum == tdep->pc_regnum)
|
|
{
|
|
struct value *val;
|
|
|
|
val = frame_unwind_register_value (this_frame, S390_PSWA_REGNUM);
|
|
if (!value_optimized_out (val))
|
|
{
|
|
LONGEST pswa = value_as_long (val);
|
|
|
|
if (TYPE_LENGTH (type) == 4)
|
|
return value_from_pointer (type, pswa & 0x7fffffff);
|
|
else
|
|
return value_from_pointer (type, pswa);
|
|
}
|
|
}
|
|
|
|
/* Unwind CC via PSW mask. */
|
|
if (regnum == tdep->cc_regnum)
|
|
{
|
|
struct value *val;
|
|
|
|
val = frame_unwind_register_value (this_frame, S390_PSWM_REGNUM);
|
|
if (!value_optimized_out (val))
|
|
{
|
|
LONGEST pswm = value_as_long (val);
|
|
|
|
if (TYPE_LENGTH (type) == 4)
|
|
return value_from_longest (type, (pswm >> 12) & 3);
|
|
else
|
|
return value_from_longest (type, (pswm >> 44) & 3);
|
|
}
|
|
}
|
|
|
|
/* Unwind full GPRs to show at least the lower halves (as the
|
|
upper halves are undefined). */
|
|
if (regnum_is_gpr_full (tdep, regnum))
|
|
{
|
|
int reg = regnum - tdep->gpr_full_regnum;
|
|
struct value *val;
|
|
|
|
val = frame_unwind_register_value (this_frame, S390_R0_REGNUM + reg);
|
|
if (!value_optimized_out (val))
|
|
return value_cast (type, val);
|
|
}
|
|
|
|
return allocate_optimized_out_value (type);
|
|
}
|
|
|
|
/* Translate a .eh_frame register to DWARF register, or adjust a
|
|
.debug_frame register. */
|
|
|
|
static int
|
|
s390_adjust_frame_regnum (struct gdbarch *gdbarch, int num, int eh_frame_p)
|
|
{
|
|
/* See s390_dwarf_reg_to_regnum for comments. */
|
|
return (num >= 0 && num < 16) ? num + s390_dwarf_reg_r0l : num;
|
|
}
|
|
|
|
/* DWARF-2 frame unwinding. */
|
|
|
|
/* Function to unwind a pseudo-register in dwarf2_frame unwinder. Used by
|
|
s390_dwarf2_frame_init_reg. */
|
|
|
|
static struct value *
|
|
s390_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache,
|
|
int regnum)
|
|
{
|
|
return s390_unwind_pseudo_register (this_frame, regnum);
|
|
}
|
|
|
|
/* Implement init_reg dwarf2_frame method. */
|
|
|
|
static void
|
|
s390_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
|
|
struct dwarf2_frame_state_reg *reg,
|
|
struct frame_info *this_frame)
|
|
{
|
|
/* The condition code (and thus PSW mask) is call-clobbered. */
|
|
if (regnum == S390_PSWM_REGNUM)
|
|
reg->how = DWARF2_FRAME_REG_UNDEFINED;
|
|
|
|
/* The PSW address unwinds to the return address. */
|
|
else if (regnum == S390_PSWA_REGNUM)
|
|
reg->how = DWARF2_FRAME_REG_RA;
|
|
|
|
/* Fixed registers are call-saved or call-clobbered
|
|
depending on the ABI in use. */
|
|
else if (regnum < S390_NUM_REGS)
|
|
{
|
|
if (s390_register_call_saved (gdbarch, regnum))
|
|
reg->how = DWARF2_FRAME_REG_SAME_VALUE;
|
|
else
|
|
reg->how = DWARF2_FRAME_REG_UNDEFINED;
|
|
}
|
|
|
|
/* We install a special function to unwind pseudos. */
|
|
else
|
|
{
|
|
reg->how = DWARF2_FRAME_REG_FN;
|
|
reg->loc.fn = s390_dwarf2_prev_register;
|
|
}
|
|
}
|
|
|
|
/* Frame unwinding. */
|
|
|
|
/* Wrapper for trad_frame_get_prev_register to allow for s390 pseudo
|
|
register translation. */
|
|
|
|
struct value *
|
|
s390_trad_frame_prev_register (struct frame_info *this_frame,
|
|
trad_frame_saved_reg saved_regs[],
|
|
int regnum)
|
|
{
|
|
if (regnum < S390_NUM_REGS)
|
|
return trad_frame_get_prev_register (this_frame, saved_regs, regnum);
|
|
else
|
|
return s390_unwind_pseudo_register (this_frame, regnum);
|
|
}
|
|
|
|
/* Normal stack frames. */
|
|
|
|
struct s390_unwind_cache {
|
|
|
|
CORE_ADDR func;
|
|
CORE_ADDR frame_base;
|
|
CORE_ADDR local_base;
|
|
|
|
trad_frame_saved_reg *saved_regs;
|
|
};
|
|
|
|
/* Unwind THIS_FRAME and write the information into unwind cache INFO using
|
|
prologue analysis. Helper for s390_frame_unwind_cache. */
|
|
|
|
static int
|
|
s390_prologue_frame_unwind_cache (struct frame_info *this_frame,
|
|
struct s390_unwind_cache *info)
|
|
{
|
|
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
|
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
|
|
struct s390_prologue_data data;
|
|
pv_t *fp = &data.gpr[S390_FRAME_REGNUM - S390_R0_REGNUM];
|
|
pv_t *sp = &data.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
|
|
int i;
|
|
CORE_ADDR cfa;
|
|
CORE_ADDR func;
|
|
CORE_ADDR result;
|
|
ULONGEST reg;
|
|
CORE_ADDR prev_sp;
|
|
int frame_pointer;
|
|
int size;
|
|
struct frame_info *next_frame;
|
|
|
|
/* Try to find the function start address. If we can't find it, we don't
|
|
bother searching for it -- with modern compilers this would be mostly
|
|
pointless anyway. Trust that we'll either have valid DWARF-2 CFI data
|
|
or else a valid backchain ... */
|
|
if (!get_frame_func_if_available (this_frame, &info->func))
|
|
{
|
|
info->func = -1;
|
|
return 0;
|
|
}
|
|
func = info->func;
|
|
|
|
/* Try to analyze the prologue. */
|
|
result = s390_analyze_prologue (gdbarch, func,
|
|
get_frame_pc (this_frame), &data);
|
|
if (!result)
|
|
return 0;
|
|
|
|
/* If this was successful, we should have found the instruction that
|
|
sets the stack pointer register to the previous value of the stack
|
|
pointer minus the frame size. */
|
|
if (!pv_is_register (*sp, S390_SP_REGNUM))
|
|
return 0;
|
|
|
|
/* A frame size of zero at this point can mean either a real
|
|
frameless function, or else a failure to find the prologue.
|
|
Perform some sanity checks to verify we really have a
|
|
frameless function. */
|
|
if (sp->k == 0)
|
|
{
|
|
/* If the next frame is a NORMAL_FRAME, this frame *cannot* have frame
|
|
size zero. This is only possible if the next frame is a sentinel
|
|
frame, a dummy frame, or a signal trampoline frame. */
|
|
/* FIXME: cagney/2004-05-01: This sanity check shouldn't be
|
|
needed, instead the code should simpliy rely on its
|
|
analysis. */
|
|
next_frame = get_next_frame (this_frame);
|
|
while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
|
|
next_frame = get_next_frame (next_frame);
|
|
if (next_frame
|
|
&& get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME)
|
|
return 0;
|
|
|
|
/* If we really have a frameless function, %r14 must be valid
|
|
-- in particular, it must point to a different function. */
|
|
reg = get_frame_register_unsigned (this_frame, S390_RETADDR_REGNUM);
|
|
reg = gdbarch_addr_bits_remove (gdbarch, reg) - 1;
|
|
if (get_pc_function_start (reg) == func)
|
|
{
|
|
/* However, there is one case where it *is* valid for %r14
|
|
to point to the same function -- if this is a recursive
|
|
call, and we have stopped in the prologue *before* the
|
|
stack frame was allocated.
|
|
|
|
Recognize this case by looking ahead a bit ... */
|
|
|
|
struct s390_prologue_data data2;
|
|
pv_t *sp2 = &data2.gpr[S390_SP_REGNUM - S390_R0_REGNUM];
|
|
|
|
if (!(s390_analyze_prologue (gdbarch, func, (CORE_ADDR)-1, &data2)
|
|
&& pv_is_register (*sp2, S390_SP_REGNUM)
|
|
&& sp2->k != 0))
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* OK, we've found valid prologue data. */
|
|
size = -sp->k;
|
|
|
|
/* If the frame pointer originally also holds the same value
|
|
as the stack pointer, we're probably using it. If it holds
|
|
some other value -- even a constant offset -- it is most
|
|
likely used as temp register. */
|
|
if (pv_is_identical (*sp, *fp))
|
|
frame_pointer = S390_FRAME_REGNUM;
|
|
else
|
|
frame_pointer = S390_SP_REGNUM;
|
|
|
|
/* If we've detected a function with stack frame, we'll still have to
|
|
treat it as frameless if we're currently within the function epilog
|
|
code at a point where the frame pointer has already been restored.
|
|
This can only happen in an innermost frame. */
|
|
/* FIXME: cagney/2004-05-01: This sanity check shouldn't be needed,
|
|
instead the code should simpliy rely on its analysis. */
|
|
next_frame = get_next_frame (this_frame);
|
|
while (next_frame && get_frame_type (next_frame) == INLINE_FRAME)
|
|
next_frame = get_next_frame (next_frame);
|
|
if (size > 0
|
|
&& (next_frame == NULL
|
|
|| get_frame_type (get_next_frame (this_frame)) != NORMAL_FRAME))
|
|
{
|
|
/* See the comment in s390_stack_frame_destroyed_p on why this is
|
|
not completely reliable ... */
|
|
if (s390_stack_frame_destroyed_p (gdbarch, get_frame_pc (this_frame)))
|
|
{
|
|
memset (&data, 0, sizeof (data));
|
|
size = 0;
|
|
frame_pointer = S390_SP_REGNUM;
|
|
}
|
|
}
|
|
|
|
/* Once we know the frame register and the frame size, we can unwind
|
|
the current value of the frame register from the next frame, and
|
|
add back the frame size to arrive that the previous frame's
|
|
stack pointer value. */
|
|
prev_sp = get_frame_register_unsigned (this_frame, frame_pointer) + size;
|
|
cfa = prev_sp + 16*word_size + 32;
|
|
|
|
/* Set up ABI call-saved/call-clobbered registers. */
|
|
for (i = 0; i < S390_NUM_REGS; i++)
|
|
if (!s390_register_call_saved (gdbarch, i))
|
|
info->saved_regs[i].set_unknown ();
|
|
|
|
/* CC is always call-clobbered. */
|
|
info->saved_regs[S390_PSWM_REGNUM].set_unknown ();
|
|
|
|
/* Record the addresses of all register spill slots the prologue parser
|
|
has recognized. Consider only registers defined as call-saved by the
|
|
ABI; for call-clobbered registers the parser may have recognized
|
|
spurious stores. */
|
|
|
|
for (i = 0; i < 16; i++)
|
|
if (s390_register_call_saved (gdbarch, S390_R0_REGNUM + i)
|
|
&& data.gpr_slot[i] != 0)
|
|
info->saved_regs[S390_R0_REGNUM + i].set_addr (cfa - data.gpr_slot[i]);
|
|
|
|
for (i = 0; i < 16; i++)
|
|
if (s390_register_call_saved (gdbarch, S390_F0_REGNUM + i)
|
|
&& data.fpr_slot[i] != 0)
|
|
info->saved_regs[S390_F0_REGNUM + i].set_addr (cfa - data.fpr_slot[i]);
|
|
|
|
/* Function return will set PC to %r14. */
|
|
info->saved_regs[S390_PSWA_REGNUM] = info->saved_regs[S390_RETADDR_REGNUM];
|
|
|
|
/* In frameless functions, we unwind simply by moving the return
|
|
address to the PC. However, if we actually stored to the
|
|
save area, use that -- we might only think the function frameless
|
|
because we're in the middle of the prologue ... */
|
|
if (size == 0
|
|
&& !info->saved_regs[S390_PSWA_REGNUM].is_addr ())
|
|
{
|
|
info->saved_regs[S390_PSWA_REGNUM].set_realreg (S390_RETADDR_REGNUM);
|
|
}
|
|
|
|
/* Another sanity check: unless this is a frameless function,
|
|
we should have found spill slots for SP and PC.
|
|
If not, we cannot unwind further -- this happens e.g. in
|
|
libc's thread_start routine. */
|
|
if (size > 0)
|
|
{
|
|
if (!info->saved_regs[S390_SP_REGNUM].is_addr ()
|
|
|| !info->saved_regs[S390_PSWA_REGNUM].is_addr ())
|
|
prev_sp = -1;
|
|
}
|
|
|
|
/* We use the current value of the frame register as local_base,
|
|
and the top of the register save area as frame_base. */
|
|
if (prev_sp != -1)
|
|
{
|
|
info->frame_base = prev_sp + 16*word_size + 32;
|
|
info->local_base = prev_sp - size;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Unwind THIS_FRAME and write the information into unwind cache INFO using
|
|
back chain unwinding. Helper for s390_frame_unwind_cache. */
|
|
|
|
static void
|
|
s390_backchain_frame_unwind_cache (struct frame_info *this_frame,
|
|
struct s390_unwind_cache *info)
|
|
{
|
|
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
|
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
CORE_ADDR backchain;
|
|
ULONGEST reg;
|
|
LONGEST sp, tmp;
|
|
int i;
|
|
|
|
/* Set up ABI call-saved/call-clobbered registers. */
|
|
for (i = 0; i < S390_NUM_REGS; i++)
|
|
if (!s390_register_call_saved (gdbarch, i))
|
|
info->saved_regs[i].set_unknown ();
|
|
|
|
/* CC is always call-clobbered. */
|
|
info->saved_regs[S390_PSWM_REGNUM].set_unknown ();
|
|
|
|
/* Get the backchain. */
|
|
reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
|
|
if (!safe_read_memory_integer (reg, word_size, byte_order, &tmp))
|
|
tmp = 0;
|
|
backchain = (CORE_ADDR) tmp;
|
|
|
|
/* A zero backchain terminates the frame chain. As additional
|
|
sanity check, let's verify that the spill slot for SP in the
|
|
save area pointed to by the backchain in fact links back to
|
|
the save area. */
|
|
if (backchain != 0
|
|
&& safe_read_memory_integer (backchain + 15*word_size,
|
|
word_size, byte_order, &sp)
|
|
&& (CORE_ADDR)sp == backchain)
|
|
{
|
|
/* We don't know which registers were saved, but it will have
|
|
to be at least %r14 and %r15. This will allow us to continue
|
|
unwinding, but other prev-frame registers may be incorrect ... */
|
|
info->saved_regs[S390_SP_REGNUM].set_addr (backchain + 15*word_size);
|
|
info->saved_regs[S390_RETADDR_REGNUM].set_addr (backchain + 14*word_size);
|
|
|
|
/* Function return will set PC to %r14. */
|
|
info->saved_regs[S390_PSWA_REGNUM]
|
|
= info->saved_regs[S390_RETADDR_REGNUM];
|
|
|
|
/* We use the current value of the frame register as local_base,
|
|
and the top of the register save area as frame_base. */
|
|
info->frame_base = backchain + 16*word_size + 32;
|
|
info->local_base = reg;
|
|
}
|
|
|
|
info->func = get_frame_pc (this_frame);
|
|
}
|
|
|
|
/* Unwind THIS_FRAME and return the corresponding unwind cache for
|
|
s390_frame_unwind and s390_frame_base. */
|
|
|
|
static struct s390_unwind_cache *
|
|
s390_frame_unwind_cache (struct frame_info *this_frame,
|
|
void **this_prologue_cache)
|
|
{
|
|
struct s390_unwind_cache *info;
|
|
|
|
if (*this_prologue_cache)
|
|
return (struct s390_unwind_cache *) *this_prologue_cache;
|
|
|
|
info = FRAME_OBSTACK_ZALLOC (struct s390_unwind_cache);
|
|
*this_prologue_cache = info;
|
|
info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
|
|
info->func = -1;
|
|
info->frame_base = -1;
|
|
info->local_base = -1;
|
|
|
|
try
|
|
{
|
|
/* Try to use prologue analysis to fill the unwind cache.
|
|
If this fails, fall back to reading the stack backchain. */
|
|
if (!s390_prologue_frame_unwind_cache (this_frame, info))
|
|
s390_backchain_frame_unwind_cache (this_frame, info);
|
|
}
|
|
catch (const gdb_exception_error &ex)
|
|
{
|
|
if (ex.error != NOT_AVAILABLE_ERROR)
|
|
throw;
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
/* Implement this_id frame_unwind method for s390_frame_unwind. */
|
|
|
|
static void
|
|
s390_frame_this_id (struct frame_info *this_frame,
|
|
void **this_prologue_cache,
|
|
struct frame_id *this_id)
|
|
{
|
|
struct s390_unwind_cache *info
|
|
= s390_frame_unwind_cache (this_frame, this_prologue_cache);
|
|
|
|
if (info->frame_base == -1)
|
|
{
|
|
if (info->func != -1)
|
|
*this_id = frame_id_build_unavailable_stack (info->func);
|
|
return;
|
|
}
|
|
|
|
*this_id = frame_id_build (info->frame_base, info->func);
|
|
}
|
|
|
|
/* Implement prev_register frame_unwind method for s390_frame_unwind. */
|
|
|
|
static struct value *
|
|
s390_frame_prev_register (struct frame_info *this_frame,
|
|
void **this_prologue_cache, int regnum)
|
|
{
|
|
struct s390_unwind_cache *info
|
|
= s390_frame_unwind_cache (this_frame, this_prologue_cache);
|
|
|
|
return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
|
|
}
|
|
|
|
/* Default S390 frame unwinder. */
|
|
|
|
static const struct frame_unwind s390_frame_unwind = {
|
|
NORMAL_FRAME,
|
|
default_frame_unwind_stop_reason,
|
|
s390_frame_this_id,
|
|
s390_frame_prev_register,
|
|
NULL,
|
|
default_frame_sniffer
|
|
};
|
|
|
|
/* Code stubs and their stack frames. For things like PLTs and NULL
|
|
function calls (where there is no true frame and the return address
|
|
is in the RETADDR register). */
|
|
|
|
struct s390_stub_unwind_cache
|
|
{
|
|
CORE_ADDR frame_base;
|
|
trad_frame_saved_reg *saved_regs;
|
|
};
|
|
|
|
/* Unwind THIS_FRAME and return the corresponding unwind cache for
|
|
s390_stub_frame_unwind. */
|
|
|
|
static struct s390_stub_unwind_cache *
|
|
s390_stub_frame_unwind_cache (struct frame_info *this_frame,
|
|
void **this_prologue_cache)
|
|
{
|
|
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
|
int word_size = gdbarch_ptr_bit (gdbarch) / 8;
|
|
struct s390_stub_unwind_cache *info;
|
|
ULONGEST reg;
|
|
|
|
if (*this_prologue_cache)
|
|
return (struct s390_stub_unwind_cache *) *this_prologue_cache;
|
|
|
|
info = FRAME_OBSTACK_ZALLOC (struct s390_stub_unwind_cache);
|
|
*this_prologue_cache = info;
|
|
info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
|
|
|
|
/* The return address is in register %r14. */
|
|
info->saved_regs[S390_PSWA_REGNUM].set_realreg (S390_RETADDR_REGNUM);
|
|
|
|
/* Retrieve stack pointer and determine our frame base. */
|
|
reg = get_frame_register_unsigned (this_frame, S390_SP_REGNUM);
|
|
info->frame_base = reg + 16*word_size + 32;
|
|
|
|
return info;
|
|
}
|
|
|
|
/* Implement this_id frame_unwind method for s390_stub_frame_unwind. */
|
|
|
|
static void
|
|
s390_stub_frame_this_id (struct frame_info *this_frame,
|
|
void **this_prologue_cache,
|
|
struct frame_id *this_id)
|
|
{
|
|
struct s390_stub_unwind_cache *info
|
|
= s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
|
|
*this_id = frame_id_build (info->frame_base, get_frame_pc (this_frame));
|
|
}
|
|
|
|
/* Implement prev_register frame_unwind method for s390_stub_frame_unwind. */
|
|
|
|
static struct value *
|
|
s390_stub_frame_prev_register (struct frame_info *this_frame,
|
|
void **this_prologue_cache, int regnum)
|
|
{
|
|
struct s390_stub_unwind_cache *info
|
|
= s390_stub_frame_unwind_cache (this_frame, this_prologue_cache);
|
|
return s390_trad_frame_prev_register (this_frame, info->saved_regs, regnum);
|
|
}
|
|
|
|
/* Implement sniffer frame_unwind method for s390_stub_frame_unwind. */
|
|
|
|
static int
|
|
s390_stub_frame_sniffer (const struct frame_unwind *self,
|
|
struct frame_info *this_frame,
|
|
void **this_prologue_cache)
|
|
{
|
|
CORE_ADDR addr_in_block;
|
|
bfd_byte insn[S390_MAX_INSTR_SIZE];
|
|
|
|
/* If the current PC points to non-readable memory, we assume we
|
|
have trapped due to an invalid function pointer call. We handle
|
|
the non-existing current function like a PLT stub. */
|
|
addr_in_block = get_frame_address_in_block (this_frame);
|
|
if (in_plt_section (addr_in_block)
|
|
|| s390_readinstruction (insn, get_frame_pc (this_frame)) < 0)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
/* S390 stub frame unwinder. */
|
|
|
|
static const struct frame_unwind s390_stub_frame_unwind = {
|
|
NORMAL_FRAME,
|
|
default_frame_unwind_stop_reason,
|
|
s390_stub_frame_this_id,
|
|
s390_stub_frame_prev_register,
|
|
NULL,
|
|
s390_stub_frame_sniffer
|
|
};
|
|
|
|
/* Frame base handling. */
|
|
|
|
static CORE_ADDR
|
|
s390_frame_base_address (struct frame_info *this_frame, void **this_cache)
|
|
{
|
|
struct s390_unwind_cache *info
|
|
= s390_frame_unwind_cache (this_frame, this_cache);
|
|
return info->frame_base;
|
|
}
|
|
|
|
static CORE_ADDR
|
|
s390_local_base_address (struct frame_info *this_frame, void **this_cache)
|
|
{
|
|
struct s390_unwind_cache *info
|
|
= s390_frame_unwind_cache (this_frame, this_cache);
|
|
return info->local_base;
|
|
}
|
|
|
|
static const struct frame_base s390_frame_base = {
|
|
&s390_frame_unwind,
|
|
s390_frame_base_address,
|
|
s390_local_base_address,
|
|
s390_local_base_address
|
|
};
|
|
|
|
/* Process record-replay */
|
|
|
|
/* Takes the intermediate sum of address calculations and masks off upper
|
|
bits according to current addressing mode. */
|
|
|
|
static CORE_ADDR
|
|
s390_record_address_mask (struct gdbarch *gdbarch, struct regcache *regcache,
|
|
CORE_ADDR val)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
ULONGEST pswm, pswa;
|
|
int am;
|
|
if (tdep->abi == ABI_LINUX_S390)
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_PSWA_REGNUM, &pswa);
|
|
am = pswa >> 31 & 1;
|
|
}
|
|
else
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_PSWM_REGNUM, &pswm);
|
|
am = pswm >> 31 & 3;
|
|
}
|
|
switch (am)
|
|
{
|
|
case 0:
|
|
return val & 0xffffff;
|
|
case 1:
|
|
return val & 0x7fffffff;
|
|
case 3:
|
|
return val;
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Addressing mode %d used.", am);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* Calculates memory address using pre-calculated index, raw instruction word
|
|
with b and d/dl fields, and raw instruction byte with dh field. Index and
|
|
dh should be set to 0 if unused. */
|
|
|
|
static CORE_ADDR
|
|
s390_record_calc_disp_common (struct gdbarch *gdbarch, struct regcache *regcache,
|
|
ULONGEST x, uint16_t bd, int8_t dh)
|
|
{
|
|
uint8_t rb = bd >> 12 & 0xf;
|
|
int32_t d = (bd & 0xfff) | ((int32_t)dh << 12);
|
|
ULONGEST b;
|
|
CORE_ADDR res = d + x;
|
|
if (rb)
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rb, &b);
|
|
res += b;
|
|
}
|
|
return s390_record_address_mask (gdbarch, regcache, res);
|
|
}
|
|
|
|
/* Calculates memory address using raw x, b + d/dl, dh fields from
|
|
instruction. rx and dh should be set to 0 if unused. */
|
|
|
|
static CORE_ADDR
|
|
s390_record_calc_disp (struct gdbarch *gdbarch, struct regcache *regcache,
|
|
uint8_t rx, uint16_t bd, int8_t dh)
|
|
{
|
|
ULONGEST x = 0;
|
|
if (rx)
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + rx, &x);
|
|
return s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
|
|
}
|
|
|
|
/* Calculates memory address for VSCE[GF] instructions. */
|
|
|
|
static int
|
|
s390_record_calc_disp_vsce (struct gdbarch *gdbarch, struct regcache *regcache,
|
|
uint8_t vx, uint8_t el, uint8_t es, uint16_t bd,
|
|
int8_t dh, CORE_ADDR *res)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
ULONGEST x;
|
|
gdb_byte buf[16];
|
|
if (tdep->v0_full_regnum == -1 || el * es >= 16)
|
|
return -1;
|
|
if (vx < 16)
|
|
regcache->cooked_read (tdep->v0_full_regnum + vx, buf);
|
|
else
|
|
regcache->raw_read (S390_V16_REGNUM + vx - 16, buf);
|
|
x = extract_unsigned_integer (buf + el * es, es, byte_order);
|
|
*res = s390_record_calc_disp_common (gdbarch, regcache, x, bd, dh);
|
|
return 0;
|
|
}
|
|
|
|
/* Calculates memory address for instructions with relative long addressing. */
|
|
|
|
static CORE_ADDR
|
|
s390_record_calc_rl (struct gdbarch *gdbarch, struct regcache *regcache,
|
|
CORE_ADDR addr, uint16_t i1, uint16_t i2)
|
|
{
|
|
int32_t ri = i1 << 16 | i2;
|
|
return s390_record_address_mask (gdbarch, regcache, addr + (LONGEST)ri * 2);
|
|
}
|
|
|
|
/* Population count helper. */
|
|
|
|
static int s390_popcnt (unsigned int x) {
|
|
int res = 0;
|
|
while (x)
|
|
{
|
|
if (x & 1)
|
|
res++;
|
|
x >>= 1;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/* Record 64-bit register. */
|
|
|
|
static int
|
|
s390_record_gpr_g (struct gdbarch *gdbarch, struct regcache *regcache, int i)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
|
|
return -1;
|
|
if (tdep->abi == ABI_LINUX_S390)
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
/* Record high 32 bits of a register. */
|
|
|
|
static int
|
|
s390_record_gpr_h (struct gdbarch *gdbarch, struct regcache *regcache, int i)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
if (tdep->abi == ABI_LINUX_S390)
|
|
{
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_UPPER_REGNUM + i))
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Record vector register. */
|
|
|
|
static int
|
|
s390_record_vr (struct gdbarch *gdbarch, struct regcache *regcache, int i)
|
|
{
|
|
if (i < 16)
|
|
{
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + i))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_V0_LOWER_REGNUM + i))
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
if (record_full_arch_list_add_reg (regcache, S390_V16_REGNUM + i - 16))
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Implement process_record gdbarch method. */
|
|
|
|
static int
|
|
s390_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
|
|
CORE_ADDR addr)
|
|
{
|
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
|
uint16_t insn[3] = {0};
|
|
/* Instruction as bytes. */
|
|
uint8_t ibyte[6];
|
|
/* Instruction as nibbles. */
|
|
uint8_t inib[12];
|
|
/* Instruction vector registers. */
|
|
uint8_t ivec[4];
|
|
CORE_ADDR oaddr, oaddr2, oaddr3;
|
|
ULONGEST tmp;
|
|
int i, n;
|
|
/* if EX/EXRL instruction used, here's the reg parameter */
|
|
int ex = -1;
|
|
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
|
|
|
/* Attempting to use EX or EXRL jumps back here */
|
|
ex:
|
|
|
|
/* Read instruction. */
|
|
insn[0] = read_memory_unsigned_integer (addr, 2, byte_order);
|
|
/* If execute was involved, do the adjustment. */
|
|
if (ex != -1)
|
|
insn[0] |= ex & 0xff;
|
|
/* Two highest bits determine instruction size. */
|
|
if (insn[0] >= 0x4000)
|
|
insn[1] = read_memory_unsigned_integer (addr+2, 2, byte_order);
|
|
else
|
|
/* Not necessary, but avoids uninitialized variable warnings. */
|
|
insn[1] = 0;
|
|
if (insn[0] >= 0xc000)
|
|
insn[2] = read_memory_unsigned_integer (addr+4, 2, byte_order);
|
|
else
|
|
insn[2] = 0;
|
|
/* Split instruction into bytes and nibbles. */
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
ibyte[i*2] = insn[i] >> 8 & 0xff;
|
|
ibyte[i*2+1] = insn[i] & 0xff;
|
|
}
|
|
for (i = 0; i < 6; i++)
|
|
{
|
|
inib[i*2] = ibyte[i] >> 4 & 0xf;
|
|
inib[i*2+1] = ibyte[i] & 0xf;
|
|
}
|
|
/* Compute vector registers, if applicable. */
|
|
ivec[0] = (inib[9] >> 3 & 1) << 4 | inib[2];
|
|
ivec[1] = (inib[9] >> 2 & 1) << 4 | inib[3];
|
|
ivec[2] = (inib[9] >> 1 & 1) << 4 | inib[4];
|
|
ivec[3] = (inib[9] >> 0 & 1) << 4 | inib[8];
|
|
|
|
switch (ibyte[0])
|
|
{
|
|
/* 0x00 undefined */
|
|
|
|
case 0x01:
|
|
/* E-format instruction */
|
|
switch (ibyte[1])
|
|
{
|
|
/* 0x00 undefined */
|
|
/* 0x01 unsupported: PR - program return */
|
|
/* 0x02 unsupported: UPT */
|
|
/* 0x03 undefined */
|
|
/* 0x04 privileged: PTFF - perform timing facility function */
|
|
/* 0x05-0x06 undefined */
|
|
/* 0x07 privileged: SCKPF - set clock programmable field */
|
|
/* 0x08-0x09 undefined */
|
|
|
|
case 0x0a: /* PFPO - perform floating point operation */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
if (!(tmp & 0x80000000u))
|
|
{
|
|
uint8_t ofc = tmp >> 16 & 0xff;
|
|
switch (ofc)
|
|
{
|
|
case 0x00: /* HFP32 */
|
|
case 0x01: /* HFP64 */
|
|
case 0x05: /* BFP32 */
|
|
case 0x06: /* BFP64 */
|
|
case 0x08: /* DFP32 */
|
|
case 0x09: /* DFP64 */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
|
|
return -1;
|
|
break;
|
|
case 0x02: /* HFP128 */
|
|
case 0x07: /* BFP128 */
|
|
case 0x0a: /* DFP128 */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F2_REGNUM))
|
|
return -1;
|
|
break;
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PFPO OFC %02x at %s.\n",
|
|
ofc, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
}
|
|
if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x0b: /* TAM - test address mode */
|
|
case 0x0c: /* SAM24 - set address mode 24 */
|
|
case 0x0d: /* SAM31 - set address mode 31 */
|
|
case 0x0e: /* SAM64 - set address mode 64 */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0x0f-0xfe undefined */
|
|
|
|
/* 0xff unsupported: TRAP */
|
|
|
|
default:
|
|
goto UNKNOWN_OP;
|
|
}
|
|
break;
|
|
|
|
/* 0x02 undefined */
|
|
/* 0x03 undefined */
|
|
|
|
case 0x04: /* SPM - set program mask */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x05: /* BALR - branch and link */
|
|
case 0x45: /* BAL - branch and link */
|
|
case 0x06: /* BCTR - branch on count */
|
|
case 0x46: /* BCT - branch on count */
|
|
case 0x0d: /* BASR - branch and save */
|
|
case 0x4d: /* BAS - branch and save */
|
|
case 0x84: /* BRXH - branch relative on index high */
|
|
case 0x85: /* BRXLE - branch relative on index low or equal */
|
|
case 0x86: /* BXH - branch on index high */
|
|
case 0x87: /* BXLE - branch on index low or equal */
|
|
/* BA[SL]* use native-size destination for linkage info, BCT*, BRX*, BX*
|
|
use 32-bit destination as counter. */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x07: /* BCR - branch on condition */
|
|
case 0x47: /* BC - branch on condition */
|
|
/* No effect other than PC transfer. */
|
|
break;
|
|
|
|
/* 0x08 undefined */
|
|
/* 0x09 undefined */
|
|
|
|
case 0x0a:
|
|
/* SVC - supervisor call */
|
|
if (tdep->s390_syscall_record != NULL)
|
|
{
|
|
if (tdep->s390_syscall_record (regcache, ibyte[1]))
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
printf_unfiltered (_("no syscall record support\n"));
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
case 0x0b: /* BSM - branch and set mode */
|
|
if (inib[2])
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x0c: /* BASSM - branch and save and set mode */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x0e: /* MVCL - move long [interruptible] */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
|
|
tmp &= 0xffffff;
|
|
if (record_full_arch_list_add_mem (oaddr, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x0f: /* CLCL - compare logical long [interruptible] */
|
|
case 0xa9: /* CLCLE - compare logical long extended [partial] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x10: /* LPR - load positive */
|
|
case 0x11: /* LNR - load negative */
|
|
case 0x12: /* LTR - load and test */
|
|
case 0x13: /* LCR - load complement */
|
|
case 0x14: /* NR - and */
|
|
case 0x16: /* OR - or */
|
|
case 0x17: /* XR - xor */
|
|
case 0x1a: /* AR - add */
|
|
case 0x1b: /* SR - subtract */
|
|
case 0x1e: /* ALR - add logical */
|
|
case 0x1f: /* SLR - subtract logical */
|
|
case 0x54: /* N - and */
|
|
case 0x56: /* O - or */
|
|
case 0x57: /* X - xor */
|
|
case 0x5a: /* A - add */
|
|
case 0x5b: /* S - subtract */
|
|
case 0x5e: /* AL - add logical */
|
|
case 0x5f: /* SL - subtract logical */
|
|
case 0x4a: /* AH - add halfword */
|
|
case 0x4b: /* SH - subtract halfword */
|
|
case 0x8a: /* SRA - shift right single */
|
|
case 0x8b: /* SLA - shift left single */
|
|
case 0xbf: /* ICM - insert characters under mask */
|
|
/* 32-bit destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x15: /* CLR - compare logical */
|
|
case 0x55: /* CL - compare logical */
|
|
case 0x19: /* CR - compare */
|
|
case 0x29: /* CDR - compare */
|
|
case 0x39: /* CER - compare */
|
|
case 0x49: /* CH - compare halfword */
|
|
case 0x59: /* C - compare */
|
|
case 0x69: /* CD - compare */
|
|
case 0x79: /* CE - compare */
|
|
case 0x91: /* TM - test under mask */
|
|
case 0x95: /* CLI - compare logical */
|
|
case 0xbd: /* CLM - compare logical under mask */
|
|
case 0xd5: /* CLC - compare logical */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x18: /* LR - load */
|
|
case 0x48: /* LH - load halfword */
|
|
case 0x58: /* L - load */
|
|
case 0x41: /* LA - load address */
|
|
case 0x43: /* IC - insert character */
|
|
case 0x4c: /* MH - multiply halfword */
|
|
case 0x71: /* MS - multiply single */
|
|
case 0x88: /* SRL - shift right single logical */
|
|
case 0x89: /* SLL - shift left single logical */
|
|
/* 32-bit, 8-bit (IC), or native width (LA) destination, no flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x1c: /* MR - multiply */
|
|
case 0x5c: /* M - multiply */
|
|
case 0x1d: /* DR - divide */
|
|
case 0x5d: /* D - divide */
|
|
case 0x8c: /* SRDL - shift right double logical */
|
|
case 0x8d: /* SLDL - shift left double logical */
|
|
/* 32-bit pair destination, no flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x20: /* LPDR - load positive */
|
|
case 0x30: /* LPER - load positive */
|
|
case 0x21: /* LNDR - load negative */
|
|
case 0x31: /* LNER - load negative */
|
|
case 0x22: /* LTDR - load and test */
|
|
case 0x32: /* LTER - load and test */
|
|
case 0x23: /* LCDR - load complement */
|
|
case 0x33: /* LCER - load complement */
|
|
case 0x2a: /* ADR - add */
|
|
case 0x3a: /* AER - add */
|
|
case 0x6a: /* AD - add */
|
|
case 0x7a: /* AE - add */
|
|
case 0x2b: /* SDR - subtract */
|
|
case 0x3b: /* SER - subtract */
|
|
case 0x6b: /* SD - subtract */
|
|
case 0x7b: /* SE - subtract */
|
|
case 0x2e: /* AWR - add unnormalized */
|
|
case 0x3e: /* AUR - add unnormalized */
|
|
case 0x6e: /* AW - add unnormalized */
|
|
case 0x7e: /* AU - add unnormalized */
|
|
case 0x2f: /* SWR - subtract unnormalized */
|
|
case 0x3f: /* SUR - subtract unnormalized */
|
|
case 0x6f: /* SW - subtract unnormalized */
|
|
case 0x7f: /* SU - subtract unnormalized */
|
|
/* float destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x24: /* HDR - halve */
|
|
case 0x34: /* HER - halve */
|
|
case 0x25: /* LDXR - load rounded */
|
|
case 0x35: /* LEDR - load rounded */
|
|
case 0x28: /* LDR - load */
|
|
case 0x38: /* LER - load */
|
|
case 0x68: /* LD - load */
|
|
case 0x78: /* LE - load */
|
|
case 0x2c: /* MDR - multiply */
|
|
case 0x3c: /* MDER - multiply */
|
|
case 0x6c: /* MD - multiply */
|
|
case 0x7c: /* MDE - multiply */
|
|
case 0x2d: /* DDR - divide */
|
|
case 0x3d: /* DER - divide */
|
|
case 0x6d: /* DD - divide */
|
|
case 0x7d: /* DE - divide */
|
|
/* float destination, no flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x26: /* MXR - multiply */
|
|
case 0x27: /* MXDR - multiply */
|
|
case 0x67: /* MXD - multiply */
|
|
/* float pair destination, no flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x36: /* AXR - add */
|
|
case 0x37: /* SXR - subtract */
|
|
/* float pair destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x40: /* STH - store halfword */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 2))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x42: /* STC - store character */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 1))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x44: /* EX - execute */
|
|
if (ex != -1)
|
|
{
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
|
|
paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
addr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (inib[2])
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
|
|
ex = tmp & 0xff;
|
|
}
|
|
else
|
|
{
|
|
ex = 0;
|
|
}
|
|
goto ex;
|
|
|
|
case 0x4e: /* CVD - convert to decimal */
|
|
case 0x60: /* STD - store */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x4f: /* CVB - convert to binary */
|
|
/* 32-bit gpr destination + FPC (DXC write) */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x50: /* ST - store */
|
|
case 0x70: /* STE - store */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x51: /* LAE - load address extended */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0x52 undefined */
|
|
/* 0x53 undefined */
|
|
|
|
/* 0x61-0x66 undefined */
|
|
|
|
/* 0x72-0x77 undefined */
|
|
|
|
/* 0x80 privileged: SSM - set system mask */
|
|
/* 0x81 undefined */
|
|
/* 0x82 privileged: LPSW - load PSW */
|
|
/* 0x83 privileged: diagnose */
|
|
|
|
case 0x8e: /* SRDA - shift right double */
|
|
case 0x8f: /* SLDA - shift left double */
|
|
/* 32-bit pair destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x90: /* STM - store multiple */
|
|
case 0x9b: /* STAM - store access multiple */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (inib[2] <= inib[3])
|
|
n = inib[3] - inib[2] + 1;
|
|
else
|
|
n = inib[3] + 0x10 - inib[2] + 1;
|
|
if (record_full_arch_list_add_mem (oaddr, n * 4))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x92: /* MVI - move */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 1))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x93: /* TS - test and set */
|
|
case 0x94: /* NI - and */
|
|
case 0x96: /* OI - or */
|
|
case 0x97: /* XI - xor */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x98: /* LM - load multiple */
|
|
for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0x99 privileged: TRACE */
|
|
|
|
case 0x9a: /* LAM - load access multiple */
|
|
for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
|
|
if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0x9c-0x9f privileged and obsolete (old I/O) */
|
|
/* 0xa0-0xa4 undefined */
|
|
|
|
case 0xa5:
|
|
case 0xa7:
|
|
/* RI-format instruction */
|
|
switch (ibyte[0] << 4 | inib[3])
|
|
{
|
|
case 0xa50: /* IIHH - insert immediate */
|
|
case 0xa51: /* IIHL - insert immediate */
|
|
/* high 32-bit destination */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xa52: /* IILH - insert immediate */
|
|
case 0xa53: /* IILL - insert immediate */
|
|
case 0xa75: /* BRAS - branch relative and save */
|
|
case 0xa76: /* BRCT - branch relative on count */
|
|
case 0xa78: /* LHI - load halfword immediate */
|
|
case 0xa7c: /* MHI - multiply halfword immediate */
|
|
/* 32-bit or native destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xa54: /* NIHH - and immediate */
|
|
case 0xa55: /* NIHL - and immediate */
|
|
case 0xa58: /* OIHH - or immediate */
|
|
case 0xa59: /* OIHL - or immediate */
|
|
/* high 32-bit destination + flags */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xa56: /* NILH - and immediate */
|
|
case 0xa57: /* NILL - and immediate */
|
|
case 0xa5a: /* OILH - or immediate */
|
|
case 0xa5b: /* OILL - or immediate */
|
|
case 0xa7a: /* AHI - add halfword immediate */
|
|
/* 32-bit destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xa5c: /* LLIHH - load logical immediate */
|
|
case 0xa5d: /* LLIHL - load logical immediate */
|
|
case 0xa5e: /* LLILH - load logical immediate */
|
|
case 0xa5f: /* LLILL - load logical immediate */
|
|
case 0xa77: /* BRCTG - branch relative on count */
|
|
case 0xa79: /* LGHI - load halfword immediate */
|
|
case 0xa7d: /* MGHI - multiply halfword immediate */
|
|
/* 64-bit destination */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xa70: /* TMLH - test under mask */
|
|
case 0xa71: /* TMLL - test under mask */
|
|
case 0xa72: /* TMHH - test under mask */
|
|
case 0xa73: /* TMHL - test under mask */
|
|
case 0xa7e: /* CHI - compare halfword immediate */
|
|
case 0xa7f: /* CGHI - compare halfword immediate */
|
|
/* flags only */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xa74: /* BRC - branch relative on condition */
|
|
/* no register change */
|
|
break;
|
|
|
|
case 0xa7b: /* AGHI - add halfword immediate */
|
|
/* 64-bit destination + flags */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
default:
|
|
goto UNKNOWN_OP;
|
|
}
|
|
break;
|
|
|
|
/* 0xa6 undefined */
|
|
|
|
case 0xa8: /* MVCLE - move long extended [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xaa-0xab undefined */
|
|
/* 0xac privileged: STNSM - store then and system mask */
|
|
/* 0xad privileged: STOSM - store then or system mask */
|
|
/* 0xae privileged: SIGP - signal processor */
|
|
/* 0xaf unsupported: MC - monitor call */
|
|
/* 0xb0 undefined */
|
|
/* 0xb1 privileged: LRA - load real address */
|
|
|
|
case 0xb2:
|
|
case 0xb3:
|
|
case 0xb9:
|
|
/* S/RRD/RRE/RRF/IE-format instruction */
|
|
switch (insn[0])
|
|
{
|
|
/* 0xb200-0xb204 undefined or privileged */
|
|
|
|
case 0xb205: /* STCK - store clock */
|
|
case 0xb27c: /* STCKF - store clock fast */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb206-0xb219 undefined, privileged, or unsupported */
|
|
/* 0xb21a unsupported: CFC */
|
|
/* 0xb21b-0xb221 undefined or privileged */
|
|
|
|
case 0xb222: /* IPM - insert program mask */
|
|
case 0xb24f: /* EAR - extract access */
|
|
case 0xb252: /* MSR - multiply single */
|
|
case 0xb2ec: /* ETND - extract transaction nesting depth */
|
|
case 0xb38c: /* EFPC - extract fpc */
|
|
case 0xb91f: /* LRVR - load reversed */
|
|
case 0xb926: /* LBR - load byte */
|
|
case 0xb927: /* LHR - load halfword */
|
|
case 0xb994: /* LLCR - load logical character */
|
|
case 0xb995: /* LLHR - load logical halfword */
|
|
case 0xb9f2: /* LOCR - load on condition */
|
|
/* 32-bit gpr destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb223-0xb22c privileged or unsupported */
|
|
|
|
case 0xb22d: /* DXR - divide */
|
|
case 0xb325: /* LXDR - load lengthened */
|
|
case 0xb326: /* LXER - load lengthened */
|
|
case 0xb336: /* SQXR - square root */
|
|
case 0xb365: /* LXR - load */
|
|
case 0xb367: /* FIXR - load fp integer */
|
|
case 0xb376: /* LZXR - load zero */
|
|
case 0xb3b6: /* CXFR - convert from fixed */
|
|
case 0xb3c6: /* CXGR - convert from fixed */
|
|
case 0xb3fe: /* IEXTR - insert biased exponent */
|
|
/* float pair destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb22e-0xb240 undefined, privileged, or unsupported */
|
|
|
|
case 0xb241: /* CKSM - checksum [partial] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb242-0xb243 undefined */
|
|
|
|
case 0xb244: /* SQDR - square root */
|
|
case 0xb245: /* SQER - square root */
|
|
case 0xb324: /* LDER - load lengthened */
|
|
case 0xb337: /* MEER - multiply */
|
|
case 0xb366: /* LEXR - load rounded */
|
|
case 0xb370: /* LPDFR - load positive */
|
|
case 0xb371: /* LNDFR - load negative */
|
|
case 0xb372: /* CSDFR - copy sign */
|
|
case 0xb373: /* LCDFR - load complement */
|
|
case 0xb374: /* LZER - load zero */
|
|
case 0xb375: /* LZDR - load zero */
|
|
case 0xb377: /* FIER - load fp integer */
|
|
case 0xb37f: /* FIDR - load fp integer */
|
|
case 0xb3b4: /* CEFR - convert from fixed */
|
|
case 0xb3b5: /* CDFR - convert from fixed */
|
|
case 0xb3c1: /* LDGR - load fpr from gr */
|
|
case 0xb3c4: /* CEGR - convert from fixed */
|
|
case 0xb3c5: /* CDGR - convert from fixed */
|
|
case 0xb3f6: /* IEDTR - insert biased exponent */
|
|
/* float destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb246-0xb24c: privileged or unsupported */
|
|
|
|
case 0xb24d: /* CPYA - copy access */
|
|
case 0xb24e: /* SAR - set access */
|
|
if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[6]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb250-0xb251 undefined or privileged */
|
|
/* 0xb253-0xb254 undefined or privileged */
|
|
|
|
case 0xb255: /* MVST - move string [partial] */
|
|
{
|
|
uint8_t end;
|
|
gdb_byte cur;
|
|
ULONGEST num = 0;
|
|
/* Read ending byte. */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
end = tmp & 0xff;
|
|
/* Get address of second operand. */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[7], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
/* Search for ending byte and compute length. */
|
|
do {
|
|
num++;
|
|
if (target_read_memory (oaddr, &cur, 1))
|
|
return -1;
|
|
oaddr++;
|
|
} while (cur != end);
|
|
/* Get address of first operand and record it. */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
if (record_full_arch_list_add_mem (oaddr, num))
|
|
return -1;
|
|
/* Record the registers. */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
/* 0xb256 undefined */
|
|
|
|
case 0xb257: /* CUSE - compare until substring equal [interruptible] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb258-0xb25c undefined, privileged, or unsupported */
|
|
|
|
case 0xb25d: /* CLST - compare logical string [partial] */
|
|
case 0xb25e: /* SRST - search string [partial] */
|
|
case 0xb9be: /* SRSTU - search string unicode [partial] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb25f-0xb262 undefined */
|
|
|
|
case 0xb263: /* CMPSC - compression call [interruptible] */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
|
|
return -1;
|
|
/* DXC may be written */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb264-0xb277 undefined, privileged, or unsupported */
|
|
|
|
case 0xb278: /* STCKE - store clock extended */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb279-0xb27b undefined or unsupported */
|
|
/* 0xb27d-0xb298 undefined or privileged */
|
|
|
|
case 0xb299: /* SRNM - set rounding mode */
|
|
case 0xb2b8: /* SRNMB - set bfp rounding mode */
|
|
case 0xb2b9: /* SRNMT - set dfp rounding mode */
|
|
case 0xb29d: /* LFPC - load fpc */
|
|
case 0xb2bd: /* LFAS - load fpc and signal */
|
|
case 0xb384: /* SFPC - set fpc */
|
|
case 0xb385: /* SFASR - set fpc and signal */
|
|
case 0xb960: /* CGRT - compare and trap */
|
|
case 0xb961: /* CLGRT - compare logical and trap */
|
|
case 0xb972: /* CRT - compare and trap */
|
|
case 0xb973: /* CLRT - compare logical and trap */
|
|
/* fpc only - including possible DXC write for trapping insns */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb29a-0xb29b undefined */
|
|
|
|
case 0xb29c: /* STFPC - store fpc */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb29e-0xb2a4 undefined */
|
|
|
|
case 0xb2a5: /* TRE - translate extended [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb2a6: /* CU21 - convert UTF-16 to UTF-8 [partial] */
|
|
case 0xb2a7: /* CU12 - convert UTF-8 to UTF-16 [partial] */
|
|
case 0xb9b0: /* CU14 - convert UTF-8 to UTF-32 [partial] */
|
|
case 0xb9b1: /* CU24 - convert UTF-16 to UTF-32 [partial] */
|
|
case 0xb9b2: /* CU41 - convert UTF-32 to UTF-8 [partial] */
|
|
case 0xb9b3: /* CU42 - convert UTF-32 to UTF-16 [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb2a8-0xb2af undefined */
|
|
|
|
case 0xb2b0: /* STFLE - store facility list extended */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
tmp &= 0xff;
|
|
if (record_full_arch_list_add_mem (oaddr, 8 * (tmp + 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb2b1-0xb2b7 undefined or privileged */
|
|
/* 0xb2ba-0xb2bc undefined */
|
|
/* 0xb2be-0xb2e7 undefined */
|
|
/* 0xb2e9-0xb2eb undefined */
|
|
/* 0xb2ed-0xb2f7 undefined */
|
|
/* 0xb2f8 unsupported: TEND */
|
|
/* 0xb2f9 undefined */
|
|
|
|
case 0xb2e8: /* PPA - perform processor assist */
|
|
case 0xb2fa: /* NIAI - next instruction access intent */
|
|
/* no visible effects */
|
|
break;
|
|
|
|
/* 0xb2fb undefined */
|
|
/* 0xb2fc unsupported: TABORT */
|
|
/* 0xb2fd-0xb2fe undefined */
|
|
/* 0xb2ff unsupported: TRAP */
|
|
|
|
case 0xb300: /* LPEBR - load positive */
|
|
case 0xb301: /* LNEBR - load negative */
|
|
case 0xb303: /* LCEBR - load complement */
|
|
case 0xb310: /* LPDBR - load positive */
|
|
case 0xb311: /* LNDBR - load negative */
|
|
case 0xb313: /* LCDBR - load complement */
|
|
case 0xb350: /* TBEDR - convert hfp to bfp */
|
|
case 0xb351: /* TBDR - convert hfp to bfp */
|
|
case 0xb358: /* THDER - convert bfp to hfp */
|
|
case 0xb359: /* THDR - convert bfp to hfp */
|
|
/* float destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb304: /* LDEBR - load lengthened */
|
|
case 0xb30c: /* MDEBR - multiply */
|
|
case 0xb30d: /* DEBR - divide */
|
|
case 0xb314: /* SQEBR - square root */
|
|
case 0xb315: /* SQDBR - square root */
|
|
case 0xb317: /* MEEBR - multiply */
|
|
case 0xb31c: /* MDBR - multiply */
|
|
case 0xb31d: /* DDBR - divide */
|
|
case 0xb344: /* LEDBRA - load rounded */
|
|
case 0xb345: /* LDXBRA - load rounded */
|
|
case 0xb346: /* LEXBRA - load rounded */
|
|
case 0xb357: /* FIEBRA - load fp integer */
|
|
case 0xb35f: /* FIDBRA - load fp integer */
|
|
case 0xb390: /* CELFBR - convert from logical */
|
|
case 0xb391: /* CDLFBR - convert from logical */
|
|
case 0xb394: /* CEFBR - convert from fixed */
|
|
case 0xb395: /* CDFBR - convert from fixed */
|
|
case 0xb3a0: /* CELGBR - convert from logical */
|
|
case 0xb3a1: /* CDLGBR - convert from logical */
|
|
case 0xb3a4: /* CEGBR - convert from fixed */
|
|
case 0xb3a5: /* CDGBR - convert from fixed */
|
|
case 0xb3d0: /* MDTR - multiply */
|
|
case 0xb3d1: /* DDTR - divide */
|
|
case 0xb3d4: /* LDETR - load lengthened */
|
|
case 0xb3d5: /* LEDTR - load lengthened */
|
|
case 0xb3d7: /* FIDTR - load fp integer */
|
|
case 0xb3dd: /* LDXTR - load lengthened */
|
|
case 0xb3f1: /* CDGTR - convert from fixed */
|
|
case 0xb3f2: /* CDUTR - convert from unsigned packed */
|
|
case 0xb3f3: /* CDSTR - convert from signed packed */
|
|
case 0xb3f5: /* QADTR - quantize */
|
|
case 0xb3f7: /* RRDTR - reround */
|
|
case 0xb951: /* CDFTR - convert from fixed */
|
|
case 0xb952: /* CDLGTR - convert from logical */
|
|
case 0xb953: /* CDLFTR - convert from logical */
|
|
/* float destination + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb305: /* LXDBR - load lengthened */
|
|
case 0xb306: /* LXEBR - load lengthened */
|
|
case 0xb307: /* MXDBR - multiply */
|
|
case 0xb316: /* SQXBR - square root */
|
|
case 0xb34c: /* MXBR - multiply */
|
|
case 0xb34d: /* DXBR - divide */
|
|
case 0xb347: /* FIXBRA - load fp integer */
|
|
case 0xb392: /* CXLFBR - convert from logical */
|
|
case 0xb396: /* CXFBR - convert from fixed */
|
|
case 0xb3a2: /* CXLGBR - convert from logical */
|
|
case 0xb3a6: /* CXGBR - convert from fixed */
|
|
case 0xb3d8: /* MXTR - multiply */
|
|
case 0xb3d9: /* DXTR - divide */
|
|
case 0xb3dc: /* LXDTR - load lengthened */
|
|
case 0xb3df: /* FIXTR - load fp integer */
|
|
case 0xb3f9: /* CXGTR - convert from fixed */
|
|
case 0xb3fa: /* CXUTR - convert from unsigned packed */
|
|
case 0xb3fb: /* CXSTR - convert from signed packed */
|
|
case 0xb3fd: /* QAXTR - quantize */
|
|
case 0xb3ff: /* RRXTR - reround */
|
|
case 0xb959: /* CXFTR - convert from fixed */
|
|
case 0xb95a: /* CXLGTR - convert from logical */
|
|
case 0xb95b: /* CXLFTR - convert from logical */
|
|
/* float pair destination + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb308: /* KEBR - compare and signal */
|
|
case 0xb309: /* CEBR - compare */
|
|
case 0xb318: /* KDBR - compare and signal */
|
|
case 0xb319: /* CDBR - compare */
|
|
case 0xb348: /* KXBR - compare and signal */
|
|
case 0xb349: /* CXBR - compare */
|
|
case 0xb3e0: /* KDTR - compare and signal */
|
|
case 0xb3e4: /* CDTR - compare */
|
|
case 0xb3e8: /* KXTR - compare and signal */
|
|
case 0xb3ec: /* CXTR - compare */
|
|
/* flags + fpc only */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb302: /* LTEBR - load and test */
|
|
case 0xb312: /* LTDBR - load and test */
|
|
case 0xb30a: /* AEBR - add */
|
|
case 0xb30b: /* SEBR - subtract */
|
|
case 0xb31a: /* ADBR - add */
|
|
case 0xb31b: /* SDBR - subtract */
|
|
case 0xb3d2: /* ADTR - add */
|
|
case 0xb3d3: /* SDTR - subtract */
|
|
case 0xb3d6: /* LTDTR - load and test */
|
|
/* float destination + flags + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb30e: /* MAEBR - multiply and add */
|
|
case 0xb30f: /* MSEBR - multiply and subtract */
|
|
case 0xb31e: /* MADBR - multiply and add */
|
|
case 0xb31f: /* MSDBR - multiply and subtract */
|
|
/* float destination [RRD] + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb320-0xb323 undefined */
|
|
/* 0xb327-0xb32d undefined */
|
|
|
|
case 0xb32e: /* MAER - multiply and add */
|
|
case 0xb32f: /* MSER - multiply and subtract */
|
|
case 0xb338: /* MAYLR - multiply and add unnormalized */
|
|
case 0xb339: /* MYLR - multiply unnormalized */
|
|
case 0xb33c: /* MAYHR - multiply and add unnormalized */
|
|
case 0xb33d: /* MYHR - multiply unnormalized */
|
|
case 0xb33e: /* MADR - multiply and add */
|
|
case 0xb33f: /* MSDR - multiply and subtract */
|
|
/* float destination [RRD] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb330-0xb335 undefined */
|
|
|
|
case 0xb33a: /* MAYR - multiply and add unnormalized */
|
|
case 0xb33b: /* MYR - multiply unnormalized */
|
|
/* float pair destination [RRD] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[4] | 2)))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb340: /* LPXBR - load positive */
|
|
case 0xb341: /* LNXBR - load negative */
|
|
case 0xb343: /* LCXBR - load complement */
|
|
case 0xb360: /* LPXR - load positive */
|
|
case 0xb361: /* LNXR - load negative */
|
|
case 0xb362: /* LTXR - load and test */
|
|
case 0xb363: /* LCXR - load complement */
|
|
/* float pair destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb342: /* LTXBR - load and test */
|
|
case 0xb34a: /* AXBR - add */
|
|
case 0xb34b: /* SXBR - subtract */
|
|
case 0xb3da: /* AXTR - add */
|
|
case 0xb3db: /* SXTR - subtract */
|
|
case 0xb3de: /* LTXTR - load and test */
|
|
/* float pair destination + flags + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[6] | 2)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb34e-0xb34f undefined */
|
|
/* 0xb352 undefined */
|
|
|
|
case 0xb353: /* DIEBR - divide to integer */
|
|
case 0xb35b: /* DIDBR - divide to integer */
|
|
/* two float destinations + flags + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[4]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb354-0xb356 undefined */
|
|
/* 0xb35a undefined */
|
|
|
|
/* 0xb35c-0xb35e undefined */
|
|
/* 0xb364 undefined */
|
|
/* 0xb368 undefined */
|
|
|
|
case 0xb369: /* CXR - compare */
|
|
case 0xb3f4: /* CEDTR - compare biased exponent */
|
|
case 0xb3fc: /* CEXTR - compare biased exponent */
|
|
case 0xb920: /* CGR - compare */
|
|
case 0xb921: /* CLGR - compare logical */
|
|
case 0xb930: /* CGFR - compare */
|
|
case 0xb931: /* CLGFR - compare logical */
|
|
case 0xb9cd: /* CHHR - compare high */
|
|
case 0xb9cf: /* CLHHR - compare logical high */
|
|
case 0xb9dd: /* CHLR - compare high */
|
|
case 0xb9df: /* CLHLR - compare logical high */
|
|
/* flags only */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb36a-0xb36f undefined */
|
|
/* 0xb377-0xb37e undefined */
|
|
/* 0xb380-0xb383 undefined */
|
|
/* 0xb386-0xb38b undefined */
|
|
/* 0xb38d-0xb38f undefined */
|
|
/* 0xb393 undefined */
|
|
/* 0xb397 undefined */
|
|
|
|
case 0xb398: /* CFEBR - convert to fixed */
|
|
case 0xb399: /* CFDBR - convert to fixed */
|
|
case 0xb39a: /* CFXBR - convert to fixed */
|
|
case 0xb39c: /* CLFEBR - convert to logical */
|
|
case 0xb39d: /* CLFDBR - convert to logical */
|
|
case 0xb39e: /* CLFXBR - convert to logical */
|
|
case 0xb941: /* CFDTR - convert to fixed */
|
|
case 0xb949: /* CFXTR - convert to fixed */
|
|
case 0xb943: /* CLFDTR - convert to logical */
|
|
case 0xb94b: /* CLFXTR - convert to logical */
|
|
/* 32-bit gpr destination + flags + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb39b undefined */
|
|
/* 0xb39f undefined */
|
|
|
|
/* 0xb3a3 undefined */
|
|
/* 0xb3a7 undefined */
|
|
|
|
case 0xb3a8: /* CGEBR - convert to fixed */
|
|
case 0xb3a9: /* CGDBR - convert to fixed */
|
|
case 0xb3aa: /* CGXBR - convert to fixed */
|
|
case 0xb3ac: /* CLGEBR - convert to logical */
|
|
case 0xb3ad: /* CLGDBR - convert to logical */
|
|
case 0xb3ae: /* CLGXBR - convert to logical */
|
|
case 0xb3e1: /* CGDTR - convert to fixed */
|
|
case 0xb3e9: /* CGXTR - convert to fixed */
|
|
case 0xb942: /* CLGDTR - convert to logical */
|
|
case 0xb94a: /* CLGXTR - convert to logical */
|
|
/* 64-bit gpr destination + flags + fpc */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb3ab undefined */
|
|
/* 0xb3af-0xb3b3 undefined */
|
|
/* 0xb3b7 undefined */
|
|
|
|
case 0xb3b8: /* CFER - convert to fixed */
|
|
case 0xb3b9: /* CFDR - convert to fixed */
|
|
case 0xb3ba: /* CFXR - convert to fixed */
|
|
case 0xb998: /* ALCR - add logical with carry */
|
|
case 0xb999: /* SLBR - subtract logical with borrow */
|
|
case 0xb9f4: /* NRK - and */
|
|
case 0xb9f5: /* NCRK - and with complement */
|
|
case 0xb9f6: /* ORK - or */
|
|
case 0xb9f7: /* XRK - xor */
|
|
case 0xb9f8: /* ARK - add */
|
|
case 0xb9f9: /* SRK - subtract */
|
|
case 0xb9fa: /* ALRK - add logical */
|
|
case 0xb9fb: /* SLRK - subtract logical */
|
|
/* 32-bit gpr destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb3c8: /* CGER - convert to fixed */
|
|
case 0xb3c9: /* CGDR - convert to fixed */
|
|
case 0xb3ca: /* CGXR - convert to fixed */
|
|
case 0xb900: /* LPGR - load positive */
|
|
case 0xb901: /* LNGR - load negative */
|
|
case 0xb902: /* LTGR - load and test */
|
|
case 0xb903: /* LCGR - load complement */
|
|
case 0xb908: /* AGR - add */
|
|
case 0xb909: /* SGR - subtract */
|
|
case 0xb90a: /* ALGR - add logical */
|
|
case 0xb90b: /* SLGR - subtract logical */
|
|
case 0xb910: /* LPGFR - load positive */
|
|
case 0xb911: /* LNGFR - load negative */
|
|
case 0xb912: /* LTGFR - load and test */
|
|
case 0xb913: /* LCGFR - load complement */
|
|
case 0xb918: /* AGFR - add */
|
|
case 0xb919: /* SGFR - subtract */
|
|
case 0xb91a: /* ALGFR - add logical */
|
|
case 0xb91b: /* SLGFR - subtract logical */
|
|
case 0xb964: /* NNGRK - and 64 bit */
|
|
case 0xb965: /* OCGRK - or with complement 64 bit */
|
|
case 0xb966: /* NOGRK - or 64 bit */
|
|
case 0xb967: /* NXGRK - not exclusive or 64 bit */
|
|
case 0xb974: /* NNRK - and 32 bit */
|
|
case 0xb975: /* OCRK - or with complement 32 bit */
|
|
case 0xb976: /* NORK - or 32 bit */
|
|
case 0xb977: /* NXRK - not exclusive or 32 bit */
|
|
case 0xb980: /* NGR - and */
|
|
case 0xb981: /* OGR - or */
|
|
case 0xb982: /* XGR - xor */
|
|
case 0xb988: /* ALCGR - add logical with carry */
|
|
case 0xb989: /* SLBGR - subtract logical with borrow */
|
|
case 0xb9c0: /* SELFHR - select high */
|
|
case 0xb9e1: /* POPCNT - population count */
|
|
case 0xb9e4: /* NGRK - and */
|
|
case 0xb9e5: /* NCGRK - and with complement */
|
|
case 0xb9e6: /* OGRK - or */
|
|
case 0xb9e7: /* XGRK - xor */
|
|
case 0xb9e8: /* AGRK - add */
|
|
case 0xb9e9: /* SGRK - subtract */
|
|
case 0xb9ea: /* ALGRK - add logical */
|
|
case 0xb9e3: /* SELGR - select 64 bit */
|
|
case 0xb9eb: /* SLGRK - subtract logical */
|
|
case 0xb9ed: /* MSGRKC - multiply single 64x64 -> 64 */
|
|
case 0xb9f0: /* SELR - select 32 bit */
|
|
case 0xb9fd: /* MSRKC - multiply single 32x32 -> 32 */
|
|
/* 64-bit gpr destination + flags */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb3bb-0xb3c0 undefined */
|
|
/* 0xb3c2-0xb3c3 undefined */
|
|
/* 0xb3c7 undefined */
|
|
/* 0xb3cb-0xb3cc undefined */
|
|
|
|
case 0xb3cd: /* LGDR - load gr from fpr */
|
|
case 0xb3e2: /* CUDTR - convert to unsigned packed */
|
|
case 0xb3e3: /* CSDTR - convert to signed packed */
|
|
case 0xb3e5: /* EEDTR - extract biased exponent */
|
|
case 0xb3e7: /* ESDTR - extract significance */
|
|
case 0xb3ed: /* EEXTR - extract biased exponent */
|
|
case 0xb3ef: /* ESXTR - extract significance */
|
|
case 0xb904: /* LGR - load */
|
|
case 0xb906: /* LGBR - load byte */
|
|
case 0xb907: /* LGHR - load halfword */
|
|
case 0xb90c: /* MSGR - multiply single */
|
|
case 0xb90f: /* LRVGR - load reversed */
|
|
case 0xb914: /* LGFR - load */
|
|
case 0xb916: /* LLGFR - load logical */
|
|
case 0xb917: /* LLGTR - load logical thirty one bits */
|
|
case 0xb91c: /* MSGFR - multiply single 64<32 */
|
|
case 0xb946: /* BCTGR - branch on count */
|
|
case 0xb984: /* LLGCR - load logical character */
|
|
case 0xb985: /* LLGHR - load logical halfword */
|
|
case 0xb9e2: /* LOCGR - load on condition */
|
|
/* 64-bit gpr destination */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb3ce-0xb3cf undefined */
|
|
/* 0xb3e6 undefined */
|
|
|
|
case 0xb3ea: /* CUXTR - convert to unsigned packed */
|
|
case 0xb3eb: /* CSXTR - convert to signed packed */
|
|
case 0xb90d: /* DSGR - divide single */
|
|
case 0xb91d: /* DSGFR - divide single */
|
|
case 0xb986: /* MLGR - multiply logical */
|
|
case 0xb987: /* DLGR - divide logical */
|
|
case 0xb9ec: /* MGRK - multiply 64x64 -> 128 */
|
|
/* 64-bit gpr pair destination */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb3ee undefined */
|
|
/* 0xb3f0 undefined */
|
|
/* 0xb3f8 undefined */
|
|
|
|
/* 0xb905 privileged */
|
|
|
|
/* 0xb90e unsupported: EREGG */
|
|
|
|
/* 0xb915 undefined */
|
|
|
|
case 0xb91e: /* KMAC - compute message authentication code [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
tmp &= 0xff;
|
|
switch (tmp)
|
|
{
|
|
case 0x00: /* KMAC-Query */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x01: /* KMAC-DEA */
|
|
case 0x02: /* KMAC-TDEA-128 */
|
|
case 0x03: /* KMAC-TDEA-192 */
|
|
case 0x09: /* KMAC-Encrypted-DEA */
|
|
case 0x0a: /* KMAC-Encrypted-TDEA-128 */
|
|
case 0x0b: /* KMAC-Encrypted-TDEA-192 */
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x12: /* KMAC-AES-128 */
|
|
case 0x13: /* KMAC-AES-192 */
|
|
case 0x14: /* KMAC-AES-256 */
|
|
case 0x1a: /* KMAC-Encrypted-AES-128 */
|
|
case 0x1b: /* KMAC-Encrypted-AES-192 */
|
|
case 0x1c: /* KMAC-Encrypted-AES-256 */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
|
|
(int)tmp, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
if (tmp != 0)
|
|
{
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
}
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb922-0xb924 undefined */
|
|
/* 0xb925 privileged */
|
|
/* 0xb928 privileged */
|
|
|
|
case 0xb929: /* KMA - cipher message with authentication */
|
|
case 0xb92a: /* KMF - cipher message with cipher feedback [partial] */
|
|
case 0xb92b: /* KMO - cipher message with output feedback [partial] */
|
|
case 0xb92f: /* KMC - cipher message with chaining [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
tmp &= 0x7f;
|
|
switch (tmp)
|
|
{
|
|
case 0x00: /* KM*-Query */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x01: /* KM*-DEA */
|
|
case 0x02: /* KM*-TDEA-128 */
|
|
case 0x03: /* KM*-TDEA-192 */
|
|
case 0x09: /* KM*-Encrypted-DEA */
|
|
case 0x0a: /* KM*-Encrypted-TDEA-128 */
|
|
case 0x0b: /* KM*-Encrypted-TDEA-192 */
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x12: /* KM*-AES-128 */
|
|
case 0x13: /* KM*-AES-192 */
|
|
case 0x14: /* KM*-AES-256 */
|
|
case 0x1a: /* KM*-Encrypted-AES-128 */
|
|
case 0x1b: /* KM*-Encrypted-AES-192 */
|
|
case 0x1c: /* KM*-Encrypted-AES-256 */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x43: /* KMC-PRNG */
|
|
/* Only valid for KMC. */
|
|
if (insn[0] == 0xb92f)
|
|
{
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
}
|
|
/* For other instructions... */
|
|
/* Fall through. */
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n",
|
|
(int)tmp, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
if (tmp != 0)
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr2, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
}
|
|
if (tmp != 0 && insn[0] == 0xb929)
|
|
{
|
|
if (record_full_arch_list_add_reg (regcache,
|
|
S390_R0_REGNUM + inib[4]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache,
|
|
S390_R0_REGNUM + (inib[4] | 1)))
|
|
return -1;
|
|
}
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb92c: /* PCC - perform cryptographic computation [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
tmp &= 0x7f;
|
|
switch (tmp)
|
|
{
|
|
case 0x00: /* PCC-Query */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x01: /* PCC-Compute-Last-Block-CMAC-Using-DEA */
|
|
case 0x02: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-128 */
|
|
case 0x03: /* PCC-Compute-Last-Block-CMAC-Using-TDEA-192 */
|
|
case 0x09: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-DEA */
|
|
case 0x0a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-128 */
|
|
case 0x0b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-TDEA-192 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x10, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x12: /* PCC-Compute-Last-Block-CMAC-Using-AES-128 */
|
|
case 0x13: /* PCC-Compute-Last-Block-CMAC-Using-AES-192 */
|
|
case 0x14: /* PCC-Compute-Last-Block-CMAC-Using-AES-256 */
|
|
case 0x1a: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-128 */
|
|
case 0x1b: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-192 */
|
|
case 0x1c: /* PCC-Compute-Last-Block-CMAC-Using-Encrypted-AES-256 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x18, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x32: /* PCC-Compute-XTS-Parameter-Using-AES-128 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x30, 32))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x34: /* PCC-Compute-XTS-Parameter-Using-AES-256 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x40, 32))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x3a: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-128 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x50, 32))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x3c: /* PCC-Compute-XTS-Parameter-Using-Encrypted-AES-256 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x60, 32))
|
|
return -1;
|
|
break;
|
|
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PCC function %02x at %s.\n",
|
|
(int)tmp, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb92d: /* KMCTR - cipher message with counter [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
tmp &= 0x7f;
|
|
switch (tmp)
|
|
{
|
|
case 0x00: /* KMCTR-Query */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x01: /* KMCTR-DEA */
|
|
case 0x02: /* KMCTR-TDEA-128 */
|
|
case 0x03: /* KMCTR-TDEA-192 */
|
|
case 0x09: /* KMCTR-Encrypted-DEA */
|
|
case 0x0a: /* KMCTR-Encrypted-TDEA-128 */
|
|
case 0x0b: /* KMCTR-Encrypted-TDEA-192 */
|
|
case 0x12: /* KMCTR-AES-128 */
|
|
case 0x13: /* KMCTR-AES-192 */
|
|
case 0x14: /* KMCTR-AES-256 */
|
|
case 0x1a: /* KMCTR-Encrypted-AES-128 */
|
|
case 0x1b: /* KMCTR-Encrypted-AES-192 */
|
|
case 0x1c: /* KMCTR-Encrypted-AES-256 */
|
|
break;
|
|
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMCTR function %02x at %s.\n",
|
|
(int)tmp, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
if (tmp != 0)
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr2, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[4]))
|
|
return -1;
|
|
}
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb92e: /* KM - cipher message [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
tmp &= 0x7f;
|
|
switch (tmp)
|
|
{
|
|
case 0x00: /* KM-Query */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x01: /* KM-DEA */
|
|
case 0x02: /* KM-TDEA-128 */
|
|
case 0x03: /* KM-TDEA-192 */
|
|
case 0x09: /* KM-Encrypted-DEA */
|
|
case 0x0a: /* KM-Encrypted-TDEA-128 */
|
|
case 0x0b: /* KM-Encrypted-TDEA-192 */
|
|
case 0x12: /* KM-AES-128 */
|
|
case 0x13: /* KM-AES-192 */
|
|
case 0x14: /* KM-AES-256 */
|
|
case 0x1a: /* KM-Encrypted-AES-128 */
|
|
case 0x1b: /* KM-Encrypted-AES-192 */
|
|
case 0x1c: /* KM-Encrypted-AES-256 */
|
|
break;
|
|
|
|
case 0x32: /* KM-XTS-AES-128 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x10, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x34: /* KM-XTS-AES-256 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x20, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x3a: /* KM-XTS-Encrypted-AES-128 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x30, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x3c: /* KM-XTS-Encrypted-AES-256 */
|
|
if (record_full_arch_list_add_mem (oaddr + 0x40, 16))
|
|
return -1;
|
|
break;
|
|
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM function %02x at %s.\n",
|
|
(int)tmp, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
if (tmp != 0)
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[7] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr2, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
}
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb932-0xb937 undefined */
|
|
|
|
/* 0xb938 unsupported: SORTL - sort lists */
|
|
/* 0xb939 unsupported: DFLTCC - deflate conversion call */
|
|
/* 0xb93a unsupported: KDSA - compute dig. signature auth. */
|
|
|
|
/* 0xb93b undefined */
|
|
|
|
case 0xb93c: /* PPNO - perform pseudorandom number operation [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
tmp &= 0xff;
|
|
switch (tmp)
|
|
{
|
|
case 0x00: /* PPNO-Query */
|
|
case 0x80: /* PPNO-Query */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x03: /* PPNO-SHA-512-DRNG - generate */
|
|
if (record_full_arch_list_add_mem (oaddr, 240))
|
|
return -1;
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr2 = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr2, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x83: /* PPNO-SHA-512-DRNG - seed */
|
|
if (record_full_arch_list_add_mem (oaddr, 240))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
break;
|
|
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PPNO function %02x at %s.\n",
|
|
(int)tmp, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
/* DXC may be written */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb93d undefined */
|
|
|
|
case 0xb93e: /* KIMD - compute intermediate message digest [partial] */
|
|
case 0xb93f: /* KLMD - compute last message digest [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R1_REGNUM, &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
tmp &= 0xff;
|
|
switch (tmp)
|
|
{
|
|
case 0x00: /* K*MD-Query */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x01: /* K*MD-SHA-1 */
|
|
if (record_full_arch_list_add_mem (oaddr, 20))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x02: /* K*MD-SHA-256 */
|
|
if (record_full_arch_list_add_mem (oaddr, 32))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x03: /* K*MD-SHA-512 */
|
|
if (record_full_arch_list_add_mem (oaddr, 64))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x41: /* KIMD-GHASH */
|
|
/* Only valid for KIMD. */
|
|
if (insn[0] == 0xb93e)
|
|
{
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
}
|
|
/* For KLMD... */
|
|
/* Fall through. */
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
|
|
(int)tmp, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
if (tmp != 0)
|
|
{
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[7] | 1)))
|
|
return -1;
|
|
}
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb940 undefined */
|
|
/* 0xb944-0xb945 undefined */
|
|
/* 0xb947-0xb948 undefined */
|
|
/* 0xb94c-0xb950 undefined */
|
|
/* 0xb954-0xb958 undefined */
|
|
/* 0xb95c-0xb95f undefined */
|
|
/* 0xb962-0xb971 undefined */
|
|
/* 0xb974-0xb97f undefined */
|
|
|
|
case 0xb983: /* FLOGR - find leftmost one */
|
|
/* 64-bit gpr pair destination + flags */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[6]))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[6] | 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb98a privileged */
|
|
/* 0xb98b-0xb98c undefined */
|
|
|
|
case 0xb98d: /* EPSW - extract psw */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (inib[7])
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb98e-0xb98f privileged */
|
|
|
|
case 0xb990: /* TRTT - translate two to two [partial] */
|
|
case 0xb991: /* TRTO - translate two to one [partial] */
|
|
case 0xb992: /* TROT - translate one to two [partial] */
|
|
case 0xb993: /* TROO - translate one to one [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[6], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[6] | 1), &tmp);
|
|
/* tmp is source length, we want destination length. Adjust. */
|
|
if (insn[0] == 0xb991)
|
|
tmp >>= 1;
|
|
if (insn[0] == 0xb992)
|
|
tmp <<= 1;
|
|
if (record_full_arch_list_add_mem (oaddr, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xb996: /* MLR - multiply logical */
|
|
case 0xb997: /* DLR - divide logical */
|
|
/* 32-bit gpr pair destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb99a-0xb9af unsupported, privileged, or undefined */
|
|
/* 0xb9b4-0xb9bc undefined */
|
|
|
|
case 0xb9bd: /* TRTRE - translate and test reverse extended [partial] */
|
|
case 0xb9bf: /* TRTE - translate and test extended [partial] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[6] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[7]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb9c0-0xb9c7 undefined */
|
|
|
|
case 0xb9c8: /* AHHHR - add high */
|
|
case 0xb9c9: /* SHHHR - subtract high */
|
|
case 0xb9ca: /* ALHHHR - add logical high */
|
|
case 0xb9cb: /* SLHHHR - subtract logical high */
|
|
case 0xb9d8: /* AHHLR - add high */
|
|
case 0xb9d9: /* SHHLR - subtract high */
|
|
case 0xb9da: /* ALHHLR - add logical high */
|
|
case 0xb9db: /* SLHHLR - subtract logical high */
|
|
/* 32-bit high gpr destination + flags */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb9cc undefined */
|
|
/* 0xb9ce undefined */
|
|
/* 0xb9d0-0xb9d7 undefined */
|
|
/* 0xb9dc undefined */
|
|
/* 0xb9de undefined */
|
|
|
|
case 0xb9e0: /* LOCFHR - load high on condition */
|
|
/* 32-bit high gpr destination */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[6]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xb9e3 undefined */
|
|
/* 0xb9e5 undefined */
|
|
/* 0xb9ee-0xb9f1 undefined */
|
|
/* 0xb9f3 undefined */
|
|
/* 0xb9f5 undefined */
|
|
/* 0xb9fc undefined */
|
|
/* 0xb9fe -0xb9ff undefined */
|
|
|
|
default:
|
|
goto UNKNOWN_OP;
|
|
}
|
|
break;
|
|
|
|
/* 0xb4-0xb5 undefined */
|
|
/* 0xb6 privileged: STCTL - store control */
|
|
/* 0xb7 privileged: LCTL - load control */
|
|
/* 0xb8 undefined */
|
|
|
|
case 0xba: /* CS - compare and swap */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xbb: /* CDS - compare double and swap */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xbc undefined */
|
|
|
|
case 0xbe: /* STCM - store characters under mask */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xc0:
|
|
case 0xc2:
|
|
case 0xc4:
|
|
case 0xc6:
|
|
case 0xcc:
|
|
/* RIL-format instruction */
|
|
switch (ibyte[0] << 4 | inib[3])
|
|
{
|
|
case 0xc00: /* LARL - load address relative long */
|
|
case 0xc05: /* BRASL - branch relative and save long */
|
|
case 0xc09: /* IILF - insert immediate */
|
|
case 0xc21: /* MSFI - multiply single immediate */
|
|
case 0xc42: /* LLHRL - load logical halfword relative long */
|
|
case 0xc45: /* LHRL - load halfword relative long */
|
|
case 0xc4d: /* LRL - load relative long */
|
|
/* 32-bit or native gpr destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xc01: /* LGFI - load immediate */
|
|
case 0xc0e: /* LLIHF - load logical immediate */
|
|
case 0xc0f: /* LLILF - load logical immediate */
|
|
case 0xc20: /* MSGFI - multiply single immediate */
|
|
case 0xc44: /* LGHRL - load halfword relative long */
|
|
case 0xc46: /* LLGHRL - load logical halfword relative long */
|
|
case 0xc48: /* LGRL - load relative long */
|
|
case 0xc4c: /* LGFRL - load relative long */
|
|
case 0xc4e: /* LLGFRL - load logical relative long */
|
|
/* 64-bit gpr destination */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xc02-0xc03 undefined */
|
|
|
|
case 0xc04: /* BRCL - branch relative on condition long */
|
|
case 0xc62: /* PFDRL - prefetch data relative long */
|
|
break;
|
|
|
|
case 0xc06: /* XIHF - xor immediate */
|
|
case 0xc0a: /* NIHF - and immediate */
|
|
case 0xc0c: /* OIHF - or immediate */
|
|
case 0xcc8: /* AIH - add immediate high */
|
|
case 0xcca: /* ALSIH - add logical with signed immediate high */
|
|
/* 32-bit high gpr destination + flags */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xc07: /* XILF - xor immediate */
|
|
case 0xc0b: /* NILF - and immediate */
|
|
case 0xc0d: /* OILF - or immediate */
|
|
case 0xc25: /* SLFI - subtract logical immediate */
|
|
case 0xc29: /* AFI - add immediate */
|
|
case 0xc2b: /* ALFI - add logical immediate */
|
|
/* 32-bit gpr destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xc08: /* IIHF - insert immediate */
|
|
case 0xcc6: /* BRCTH - branch relative on count high */
|
|
case 0xccb: /* ALSIHN - add logical with signed immediate high */
|
|
/* 32-bit high gpr destination */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xc22-0xc23 undefined */
|
|
|
|
case 0xc24: /* SLGFI - subtract logical immediate */
|
|
case 0xc28: /* AGFI - add immediate */
|
|
case 0xc2a: /* ALGFI - add logical immediate */
|
|
/* 64-bit gpr destination + flags */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xc26-0xc27 undefined */
|
|
|
|
case 0xc2c: /* CGFI - compare immediate */
|
|
case 0xc2d: /* CFI - compare immediate */
|
|
case 0xc2e: /* CLGFI - compare logical immediate */
|
|
case 0xc2f: /* CLFI - compare logical immediate */
|
|
case 0xc64: /* CGHRL - compare halfword relative long */
|
|
case 0xc65: /* CHRL - compare halfword relative long */
|
|
case 0xc66: /* CLGHRL - compare logical halfword relative long */
|
|
case 0xc67: /* CLHRL - compare logical halfword relative long */
|
|
case 0xc68: /* CGRL - compare relative long */
|
|
case 0xc6a: /* CLGRL - compare logical relative long */
|
|
case 0xc6c: /* CGFRL - compare relative long */
|
|
case 0xc6d: /* CRL - compare relative long */
|
|
case 0xc6e: /* CLGFRL - compare logical relative long */
|
|
case 0xc6f: /* CLRL - compare logical relative long */
|
|
case 0xccd: /* CIH - compare immediate high */
|
|
case 0xccf: /* CLIH - compare logical immediate high */
|
|
/* flags only */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xc40-0xc41 undefined */
|
|
/* 0xc43 undefined */
|
|
|
|
case 0xc47: /* STHRL - store halfword relative long */
|
|
oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
|
|
if (record_full_arch_list_add_mem (oaddr, 2))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xc49-0xc4a undefined */
|
|
|
|
case 0xc4b: /* STGRL - store relative long */
|
|
oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xc4f: /* STRL - store relative long */
|
|
oaddr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xc60: /* EXRL - execute relative long */
|
|
if (ex != -1)
|
|
{
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Double execute at %s.\n",
|
|
paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
addr = s390_record_calc_rl (gdbarch, regcache, addr, insn[1], insn[2]);
|
|
if (inib[2])
|
|
{
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
|
|
ex = tmp & 0xff;
|
|
}
|
|
else
|
|
{
|
|
ex = 0;
|
|
}
|
|
goto ex;
|
|
|
|
/* 0xc61 undefined */
|
|
/* 0xc63 undefined */
|
|
/* 0xc69 undefined */
|
|
/* 0xc6b undefined */
|
|
/* 0xcc0-0xcc5 undefined */
|
|
/* 0xcc7 undefined */
|
|
/* 0xcc9 undefined */
|
|
/* 0xccc undefined */
|
|
/* 0xcce undefined */
|
|
|
|
default:
|
|
goto UNKNOWN_OP;
|
|
}
|
|
break;
|
|
|
|
/* 0xc1 undefined */
|
|
/* 0xc3 undefined */
|
|
|
|
case 0xc5: /* BPRP - branch prediction relative preload */
|
|
case 0xc7: /* BPP - branch prediction preload */
|
|
/* no visible effect */
|
|
break;
|
|
|
|
case 0xc8:
|
|
/* SSF-format instruction */
|
|
switch (ibyte[0] << 4 | inib[3])
|
|
{
|
|
/* 0xc80 unsupported */
|
|
|
|
case 0xc81: /* ECTG - extract cpu time */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, 0))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, 1))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xc82: /* CSST - compare and swap and store */
|
|
{
|
|
uint8_t fc, sc;
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
fc = tmp & 0xff;
|
|
sc = tmp >> 8 & 0xff;
|
|
|
|
/* First and third operands. */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
switch (fc)
|
|
{
|
|
case 0x00: /* 32-bit */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x01: /* 64-bit */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x02: /* 128-bit */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
|
|
fc, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
|
|
/* Second operand. */
|
|
oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
|
|
if (sc > 4)
|
|
{
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown CSST FC %02x at %s.\n",
|
|
sc, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
|
|
if (record_full_arch_list_add_mem (oaddr2, 1 << sc))
|
|
return -1;
|
|
|
|
/* Flags. */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
/* 0xc83 undefined */
|
|
|
|
case 0xc84: /* LPD - load pair disjoint */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xc85: /* LPDG - load pair disjoint */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xc86-0xc8f undefined */
|
|
|
|
default:
|
|
goto UNKNOWN_OP;
|
|
}
|
|
break;
|
|
|
|
/* 0xc9-0xcb undefined */
|
|
/* 0xcd-0xcf undefined */
|
|
|
|
case 0xd0: /* TRTR - translate and test reversed */
|
|
case 0xdd: /* TRT - translate and test */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R2_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xd1: /* MVN - move numbers */
|
|
case 0xd2: /* MVC - move */
|
|
case 0xd3: /* MVZ - move zones */
|
|
case 0xdc: /* TR - translate */
|
|
case 0xe8: /* MVCIN - move inverse */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xd4: /* NC - and */
|
|
case 0xd6: /* OC - or*/
|
|
case 0xd7: /* XC - xor */
|
|
case 0xe2: /* UNPKU - unpack unicode */
|
|
case 0xea: /* UNPKA - unpack ASCII */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xde: /* ED - edit */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
/* DXC may be written */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xdf: /* EDMK - edit and mark */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R1_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
/* DXC may be written */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xd8 undefined */
|
|
/* 0xd9 unsupported: MVCK - move with key */
|
|
/* 0xda unsupported: MVCP - move to primary */
|
|
/* 0xdb unsupported: MVCS - move to secondary */
|
|
/* 0xe0 undefined */
|
|
|
|
case 0xe1: /* PKU - pack unicode */
|
|
case 0xe9: /* PKA - pack ASCII */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe3:
|
|
case 0xe6:
|
|
case 0xe7:
|
|
case 0xeb:
|
|
case 0xed:
|
|
/* RXY/RXE/RXF/RSL/RSY/SIY/V*-format instruction */
|
|
switch (ibyte[0] << 8 | ibyte[5])
|
|
{
|
|
/* 0xe300-0xe301 undefined */
|
|
|
|
case 0xe302: /* LTG - load and test */
|
|
case 0xe308: /* AG - add */
|
|
case 0xe309: /* SG - subtract */
|
|
case 0xe30a: /* ALG - add logical */
|
|
case 0xe30b: /* SLG - subtract logical */
|
|
case 0xe318: /* AGF - add */
|
|
case 0xe319: /* SGF - subtract */
|
|
case 0xe31a: /* ALGF - add logical */
|
|
case 0xe31b: /* SLGF - subtract logical */
|
|
case 0xe332: /* LTGF - load and test */
|
|
case 0xe380: /* NG - and */
|
|
case 0xe381: /* OG - or */
|
|
case 0xe382: /* XG - xor */
|
|
case 0xe388: /* ALCG - add logical with carry */
|
|
case 0xe389: /* SLBG - subtract logical with borrow */
|
|
case 0xeb0a: /* SRAG - shift right single */
|
|
case 0xeb0b: /* SLAG - shift left single */
|
|
/* 64-bit gpr destination + flags */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe303 privileged */
|
|
|
|
case 0xe304: /* LG - load */
|
|
case 0xe30c: /* MSG - multiply single */
|
|
case 0xe30f: /* LRVG - load reversed */
|
|
case 0xe314: /* LGF - load */
|
|
case 0xe315: /* LGH - load halfword */
|
|
case 0xe316: /* LLGF - load logical */
|
|
case 0xe317: /* LLGT - load logical thirty one bits */
|
|
case 0xe31c: /* MSGF - multiply single */
|
|
case 0xe32a: /* LZRG - load and zero rightmost byte */
|
|
case 0xe33a: /* LLZRGF - load logical and zero rightmost byte */
|
|
case 0xe33c: /* MGH - multiply halfword 64x16mem -> 64 */
|
|
case 0xe346: /* BCTG - branch on count */
|
|
case 0xe377: /* LGB - load byte */
|
|
case 0xe390: /* LLGC - load logical character */
|
|
case 0xe391: /* LLGH - load logical halfword */
|
|
case 0xeb0c: /* SRLG - shift right single logical */
|
|
case 0xeb0d: /* SLLG - shift left single logical */
|
|
case 0xeb1c: /* RLLG - rotate left single logical */
|
|
case 0xeb44: /* BXHG - branch on index high */
|
|
case 0xeb45: /* BXLEG - branch on index low or equal */
|
|
case 0xeb4c: /* ECAG - extract cpu attribute */
|
|
case 0xebe2: /* LOCG - load on condition */
|
|
/* 64-bit gpr destination */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe305 undefined */
|
|
|
|
case 0xe306: /* CVBY - convert to binary */
|
|
/* 32-bit or native gpr destination + FPC (DXC write) */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe307 undefined */
|
|
|
|
case 0xe30d: /* DSG - divide single */
|
|
case 0xe31d: /* DSGF - divide single */
|
|
case 0xe384: /* MG - multiply 64x64mem -> 128 */
|
|
case 0xe386: /* MLG - multiply logical */
|
|
case 0xe387: /* DLG - divide logical */
|
|
case 0xe38f: /* LPQ - load pair from quadword */
|
|
/* 64-bit gpr pair destination */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe30e: /* CVBG - convert to binary */
|
|
/* 64-bit gpr destination + FPC (DXC write) */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe310-0xe311 undefined */
|
|
|
|
case 0xe312: /* LT - load and test */
|
|
case 0xe338: /* AGH - add halfword to 64 bit value */
|
|
case 0xe339: /* SGH - subtract halfword from 64 bit value */
|
|
case 0xe353: /* MSC - multiply single 32x32mem -> 32 */
|
|
case 0xe354: /* NY - and */
|
|
case 0xe356: /* OY - or */
|
|
case 0xe357: /* XY - xor */
|
|
case 0xe35a: /* AY - add */
|
|
case 0xe35b: /* SY - subtract */
|
|
case 0xe35e: /* ALY - add logical */
|
|
case 0xe35f: /* SLY - subtract logical */
|
|
case 0xe37a: /* AHY - add halfword */
|
|
case 0xe37b: /* SHY - subtract halfword */
|
|
case 0xe383: /* MSGC - multiply single 64x64mem -> 64 */
|
|
case 0xe398: /* ALC - add logical with carry */
|
|
case 0xe399: /* SLB - subtract logical with borrow */
|
|
case 0xe727: /* LCBB - load count to block boundary */
|
|
case 0xeb81: /* ICMY - insert characters under mask */
|
|
case 0xebdc: /* SRAK - shift left single */
|
|
case 0xebdd: /* SLAK - shift left single */
|
|
/* 32/64-bit gpr destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe313 privileged */
|
|
|
|
case 0xe31e: /* LRV - load reversed */
|
|
case 0xe31f: /* LRVH - load reversed */
|
|
case 0xe33b: /* LZRF - load and zero rightmost byte */
|
|
case 0xe351: /* MSY - multiply single */
|
|
case 0xe358: /* LY - load */
|
|
case 0xe371: /* LAY - load address */
|
|
case 0xe373: /* ICY - insert character */
|
|
case 0xe376: /* LB - load byte */
|
|
case 0xe378: /* LHY - load */
|
|
case 0xe37c: /* MHY - multiply halfword */
|
|
case 0xe394: /* LLC - load logical character */
|
|
case 0xe395: /* LLH - load logical halfword */
|
|
case 0xeb1d: /* RLL - rotate left single logical */
|
|
case 0xebde: /* SRLK - shift left single logical */
|
|
case 0xebdf: /* SLLK - shift left single logical */
|
|
case 0xebf2: /* LOC - load on condition */
|
|
/* 32-bit or native gpr destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe320: /* CG - compare */
|
|
case 0xe321: /* CLG - compare logical */
|
|
case 0xe330: /* CGF - compare */
|
|
case 0xe331: /* CLGF - compare logical */
|
|
case 0xe334: /* CGH - compare halfword */
|
|
case 0xe355: /* CLY - compare logical */
|
|
case 0xe359: /* CY - compare */
|
|
case 0xe379: /* CHY - compare halfword */
|
|
case 0xe3cd: /* CHF - compare high */
|
|
case 0xe3cf: /* CLHF - compare logical high */
|
|
case 0xeb20: /* CLMH - compare logical under mask high */
|
|
case 0xeb21: /* CLMY - compare logical under mask */
|
|
case 0xeb51: /* TMY - test under mask */
|
|
case 0xeb55: /* CLIY - compare logical */
|
|
case 0xebc0: /* TP - test decimal */
|
|
case 0xed10: /* TCEB - test data class */
|
|
case 0xed11: /* TCDB - test data class */
|
|
case 0xed12: /* TCXB - test data class */
|
|
case 0xed50: /* TDCET - test data class */
|
|
case 0xed51: /* TDGET - test data group */
|
|
case 0xed54: /* TDCDT - test data class */
|
|
case 0xed55: /* TDGDT - test data group */
|
|
case 0xed58: /* TDCXT - test data class */
|
|
case 0xed59: /* TDGXT - test data group */
|
|
/* flags only */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe322-0xe323 undefined */
|
|
|
|
case 0xe324: /* STG - store */
|
|
case 0xe325: /* NTSTG - nontransactional store */
|
|
case 0xe326: /* CVDY - convert to decimal */
|
|
case 0xe32f: /* STRVG - store reversed */
|
|
case 0xed67: /* STDY - store */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe327-0xe329 undefined */
|
|
/* 0xe32b-0xe32d undefined */
|
|
|
|
case 0xe32e: /* CVDG - convert to decimal */
|
|
case 0xe38e: /* STPQ - store pair to quadword */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe333 undefined */
|
|
/* 0xe335 undefined */
|
|
|
|
case 0xe336: /* PFD - prefetch data */
|
|
break;
|
|
|
|
/* 0xe337 undefined */
|
|
/* 0xe33c-0xe33d undefined */
|
|
|
|
case 0xe33e: /* STRV - store reversed */
|
|
case 0xe350: /* STY - store */
|
|
case 0xe3cb: /* STFH - store high */
|
|
case 0xed66: /* STEY - store */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe33f: /* STRVH - store reversed */
|
|
case 0xe370: /* STHY - store halfword */
|
|
case 0xe3c7: /* STHH - store halfword high */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 2))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe340-0xe345 undefined */
|
|
|
|
case 0xe347: /* BIC - branch indirect on condition */
|
|
break;
|
|
|
|
/* 0xe348-0xe34f undefined */
|
|
/* 0xe352 undefined */
|
|
|
|
case 0xe35c: /* MFY - multiply */
|
|
case 0xe396: /* ML - multiply logical */
|
|
case 0xe397: /* DL - divide logical */
|
|
/* 32-bit gpr pair destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe35d undefined */
|
|
/* 0xe360-0xe36f undefined */
|
|
|
|
case 0xe372: /* STCY - store character */
|
|
case 0xe3c3: /* STCH - store character high */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 1))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe374 undefined */
|
|
|
|
case 0xe375: /* LAEY - load address extended */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe37d-0xe37f undefined */
|
|
|
|
case 0xe385: /* LGAT - load and trap */
|
|
case 0xe39c: /* LLGTAT - load logical thirty one bits and trap */
|
|
case 0xe39d: /* LLGFAT - load logical and trap */
|
|
case 0xe650: /* VCVB - vector convert to binary 32 bit*/
|
|
case 0xe652: /* VCVBG - vector convert to binary 64 bit*/
|
|
case 0xe721: /* VLGV - vector load gr from vr element */
|
|
/* 64-bit gpr destination + fpc for possible DXC write */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe38a-0xe38d undefined */
|
|
/* 0xe392-0xe393 undefined */
|
|
/* 0xe39a-0xe39b undefined */
|
|
/* 0xe39e undefined */
|
|
|
|
case 0xe39f: /* LAT - load and trap */
|
|
/* 32-bit gpr destination + fpc for possible DXC write */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe3a0-0xe3bf undefined */
|
|
|
|
case 0xe3c0: /* LBH - load byte high */
|
|
case 0xe3c2: /* LLCH - load logical character high */
|
|
case 0xe3c4: /* LHH - load halfword high */
|
|
case 0xe3c6: /* LLHH - load logical halfword high */
|
|
case 0xe3ca: /* LFH - load high */
|
|
case 0xebe0: /* LOCFH - load high on condition */
|
|
/* 32-bit high gpr destination */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe3c1 undefined */
|
|
/* 0xe3c5 undefined */
|
|
|
|
case 0xe3c8: /* LFHAT - load high and trap */
|
|
/* 32-bit high gpr destination + fpc for possible DXC write */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe3c9 undefined */
|
|
/* 0xe3cc undefined */
|
|
/* 0xe3ce undefined */
|
|
/* 0xe3d0-0xe3ff undefined */
|
|
|
|
case 0xe601: /* VLEBRH - vector load byte reversed element */
|
|
case 0xe602: /* VLEBRG - vector load byte reversed element */
|
|
case 0xe603: /* VLEBRF - vector load byte reversed element */
|
|
case 0xe604: /* VLLEBRZ - vector load byte rev. el. and zero */
|
|
case 0xe605: /* VLBRREP - vector load byte rev. el. and replicate */
|
|
case 0xe606: /* VLBR - vector load byte reversed elements */
|
|
case 0xe607: /* VLER - vector load elements reversed */
|
|
case 0xe634: /* VPKZ - vector pack zoned */
|
|
case 0xe635: /* VLRL - vector load rightmost with immed. length */
|
|
case 0xe637: /* VLRLR - vector load rightmost with length */
|
|
case 0xe649: /* VLIP - vector load immediate decimal */
|
|
case 0xe700: /* VLEB - vector load element */
|
|
case 0xe701: /* VLEH - vector load element */
|
|
case 0xe702: /* VLEG - vector load element */
|
|
case 0xe703: /* VLEF - vector load element */
|
|
case 0xe704: /* VLLEZ - vector load logical element and zero */
|
|
case 0xe705: /* VLREP - vector load and replicate */
|
|
case 0xe706: /* VL - vector load */
|
|
case 0xe707: /* VLBB - vector load to block boundary */
|
|
case 0xe712: /* VGEG - vector gather element */
|
|
case 0xe713: /* VGEF - vector gather element */
|
|
case 0xe722: /* VLVG - vector load vr element from gr */
|
|
case 0xe730: /* VESL - vector element shift left */
|
|
case 0xe733: /* VERLL - vector element rotate left logical */
|
|
case 0xe737: /* VLL - vector load with length */
|
|
case 0xe738: /* VESRL - vector element shift right logical */
|
|
case 0xe73a: /* VESRA - vector element shift right arithmetic */
|
|
case 0xe740: /* VLEIB - vector load element immediate */
|
|
case 0xe741: /* VLEIH - vector load element immediate */
|
|
case 0xe742: /* VLEIG - vector load element immediate */
|
|
case 0xe743: /* VLEIF - vector load element immediate */
|
|
case 0xe744: /* VGBM - vector generate byte mask */
|
|
case 0xe745: /* VREPI - vector replicate immediate */
|
|
case 0xe746: /* VGM - vector generate mask */
|
|
case 0xe74d: /* VREP - vector replicate */
|
|
case 0xe750: /* VPOPCT - vector population count */
|
|
case 0xe752: /* VCTZ - vector count trailing zeros */
|
|
case 0xe753: /* VCLZ - vector count leading zeros */
|
|
case 0xe756: /* VLR - vector load */
|
|
case 0xe75f: /* VSEG -vector sign extend to doubleword */
|
|
case 0xe760: /* VMRL - vector merge low */
|
|
case 0xe761: /* VMRH - vector merge high */
|
|
case 0xe762: /* VLVGP - vector load vr from grs disjoint */
|
|
case 0xe764: /* VSUM - vector sum across word */
|
|
case 0xe765: /* VSUMG - vector sum across doubleword */
|
|
case 0xe766: /* VCKSM - vector checksum */
|
|
case 0xe767: /* VSUMQ - vector sum across quadword */
|
|
case 0xe768: /* VN - vector and */
|
|
case 0xe769: /* VNC - vector and with complement */
|
|
case 0xe76a: /* VO - vector or */
|
|
case 0xe76b: /* VNO - vector nor */
|
|
case 0xe76c: /* VNX - vector not exclusive or */
|
|
case 0xe76d: /* VX - vector xor */
|
|
case 0xe76e: /* VNN - vector nand */
|
|
case 0xe76f: /* VOC - vector or with complement */
|
|
case 0xe770: /* VESLV - vector element shift left */
|
|
case 0xe772: /* VERIM - vector element rotate and insert under mask */
|
|
case 0xe773: /* VERLLV - vector element rotate left logical */
|
|
case 0xe774: /* VSL - vector shift left */
|
|
case 0xe775: /* VSLB - vector shift left by byte */
|
|
case 0xe777: /* VSLDB - vector shift left double by byte */
|
|
case 0xe778: /* VESRLV - vector element shift right logical */
|
|
case 0xe77a: /* VESRAV - vector element shift right arithmetic */
|
|
case 0xe77c: /* VSRL - vector shift right logical */
|
|
case 0xe77d: /* VSRLB - vector shift right logical by byte */
|
|
case 0xe77e: /* VSRA - vector shift right arithmetic */
|
|
case 0xe77f: /* VSRAB - vector shift right arithmetic by byte */
|
|
case 0xe784: /* VPDI - vector permute doubleword immediate */
|
|
case 0xe785: /* VBPERM - vector bit permute */
|
|
case 0xe786: /* VSLD - vector shift left double by bit */
|
|
case 0xe787: /* VSRD - vector shift right double by bit */
|
|
case 0xe78b: /* VSTRS - vector string search */
|
|
case 0xe78c: /* VPERM - vector permute */
|
|
case 0xe78d: /* VSEL - vector select */
|
|
case 0xe78e: /* VFMS - vector fp multiply and subtract */
|
|
case 0xe78f: /* VFMA - vector fp multiply and add */
|
|
case 0xe794: /* VPK - vector pack */
|
|
case 0xe79e: /* VFNMS - vector fp negative multiply and subtract */
|
|
case 0xe79f: /* VFNMA - vector fp negative multiply and add */
|
|
case 0xe7a1: /* VMLH - vector multiply logical high */
|
|
case 0xe7a2: /* VML - vector multiply low */
|
|
case 0xe7a3: /* VMH - vector multiply high */
|
|
case 0xe7a4: /* VMLE - vector multiply logical even */
|
|
case 0xe7a5: /* VMLO - vector multiply logical odd */
|
|
case 0xe7a6: /* VME - vector multiply even */
|
|
case 0xe7a7: /* VMO - vector multiply odd */
|
|
case 0xe7a9: /* VMALH - vector multiply and add logical high */
|
|
case 0xe7aa: /* VMAL - vector multiply and add low */
|
|
case 0xe7ab: /* VMAH - vector multiply and add high */
|
|
case 0xe7ac: /* VMALE - vector multiply and add logical even */
|
|
case 0xe7ad: /* VMALO - vector multiply and add logical odd */
|
|
case 0xe7ae: /* VMAE - vector multiply and add even */
|
|
case 0xe7af: /* VMAO - vector multiply and add odd */
|
|
case 0xe7b4: /* VGFM - vector Galois field multiply sum */
|
|
case 0xe7b8: /* VMSL - vector multiply sum logical */
|
|
case 0xe7b9: /* VACCC - vector add with carry compute carry */
|
|
case 0xe7bb: /* VAC - vector add with carry */
|
|
case 0xe7bc: /* VGFMA - vector Galois field multiply sum and accumulate */
|
|
case 0xe7bd: /* VSBCBI - vector subtract with borrow compute borrow indication */
|
|
case 0xe7bf: /* VSBI - vector subtract with borrow indication */
|
|
case 0xe7c0: /* VCLFP - vector fp convert to logical */
|
|
case 0xe7c1: /* VCFPL - vector fp convert from logical */
|
|
case 0xe7c2: /* VCSFP - vector fp convert to fixed */
|
|
case 0xe7c3: /* VCFPS - vector fp convert from fixed */
|
|
case 0xe7c4: /* VLDE/VFLL - vector fp load lengthened */
|
|
case 0xe7c5: /* VLED/VFLR - vector fp load rounded */
|
|
case 0xe7c7: /* VFI - vector load fp integer */
|
|
case 0xe7cc: /* VFPSO - vector fp perform sign operation */
|
|
case 0xe7ce: /* VFSQ - vector fp square root */
|
|
case 0xe7d4: /* VUPLL - vector unpack logical low */
|
|
case 0xe7d6: /* VUPL - vector unpack low */
|
|
case 0xe7d5: /* VUPLH - vector unpack logical high */
|
|
case 0xe7d7: /* VUPH - vector unpack high */
|
|
case 0xe7de: /* VLC - vector load complement */
|
|
case 0xe7df: /* VLP - vector load positive */
|
|
case 0xe7e2: /* VFA - vector fp subtract */
|
|
case 0xe7e3: /* VFA - vector fp add */
|
|
case 0xe7e5: /* VFD - vector fp divide */
|
|
case 0xe7e7: /* VFM - vector fp multiply */
|
|
case 0xe7ee: /* VFMIN - vector fp minimum */
|
|
case 0xe7ef: /* VFMAX - vector fp maximum */
|
|
case 0xe7f0: /* VAVGL - vector average logical */
|
|
case 0xe7f1: /* VACC - vector add and compute carry */
|
|
case 0xe7f2: /* VAVG - vector average */
|
|
case 0xe7f3: /* VA - vector add */
|
|
case 0xe7f5: /* VSCBI - vector subtract compute borrow indication */
|
|
case 0xe7f7: /* VS - vector subtract */
|
|
case 0xe7fc: /* VMNL - vector minimum logical */
|
|
case 0xe7fd: /* VMXL - vector maximum logical */
|
|
case 0xe7fe: /* VMN - vector minimum */
|
|
case 0xe7ff: /* VMX - vector maximum */
|
|
/* vector destination + FPC */
|
|
if (s390_record_vr (gdbarch, regcache, ivec[0]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe63d: /* VSTRL - vector store rightmost with immed. length */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, inib[3] + 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe708: /* VSTEB - vector store element */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe609: /* VSTEBRH - vector store byte reversed element */
|
|
case 0xe709: /* VSTEH - vector store element */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 2))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe60a: /* VSTEBRG - vector store byte reversed element */
|
|
case 0xe70a: /* VSTEG - vector store element */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe60b: /* VSTEBRF - vector store byte reversed element */
|
|
case 0xe70b: /* VSTEF - vector store element */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe70c-0xe70d undefined */
|
|
|
|
case 0xe60e: /* VSTBR - vector store byte reversed elements */
|
|
case 0xe60f: /* VSTER - vector store elements reversed */
|
|
case 0xe70e: /* VST - vector store */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, inib[3], insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe70f-0xe711 undefined */
|
|
/* 0xe714-0xe719 undefined */
|
|
|
|
case 0xe71a: /* VSCEG - vector scatter element */
|
|
if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 8, insn[1], 0, &oaddr))
|
|
return -1;
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe71b: /* VSCEF - vector scatter element */
|
|
if (s390_record_calc_disp_vsce (gdbarch, regcache, ivec[1], inib[8], 4, insn[1], 0, &oaddr))
|
|
return -1;
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe71c-0xe720 undefined */
|
|
/* 0xe723-0xe726 undefined */
|
|
/* 0xe728-0xe72f undefined */
|
|
/* 0xe731-0xe732 undefined */
|
|
/* 0xe734-0xe735 undefined */
|
|
|
|
case 0xe736: /* VLM - vector load multiple */
|
|
for (i = ivec[0]; i != ivec[1]; i++, i &= 0x1f)
|
|
if (s390_record_vr (gdbarch, regcache, i))
|
|
return -1;
|
|
if (s390_record_vr (gdbarch, regcache, ivec[1]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe739 undefined */
|
|
/* 0xe73b-0xe73d undefined */
|
|
|
|
case 0xe73e: /* VSTM - vector store multiple */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (ivec[0] <= ivec[1])
|
|
n = ivec[1] - ivec[0] + 1;
|
|
else
|
|
n = ivec[1] + 0x20 - ivec[0] + 1;
|
|
if (record_full_arch_list_add_mem (oaddr, n * 16))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe63c: /* VUPKZ - vector unpack zoned */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, (ibyte[1] + 1) & 31))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe63f: /* VSTRLR - vector store rightmost with length */
|
|
case 0xe73f: /* VSTL - vector store with length */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[3], &tmp);
|
|
tmp &= 0xffffffffu;
|
|
if (tmp > 15)
|
|
tmp = 15;
|
|
if (record_full_arch_list_add_mem (oaddr, tmp + 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe747-0xe749 undefined */
|
|
|
|
case 0xe658: /* VCVD - vector convert to decimal 32 bit */
|
|
case 0xe659: /* VSRP - vector shift and round decimal */
|
|
case 0xe65a: /* VCVDG - vector convert to decimal 64 bit*/
|
|
case 0xe65b: /* VPSOP - vector perform sign operation decimal */
|
|
case 0xe671: /* VAP - vector add decimal */
|
|
case 0xe673: /* VSP - vector subtract decimal */
|
|
case 0xe678: /* VMP - vector multiply decimal */
|
|
case 0xe679: /* VMSP - vector multiply decimal */
|
|
case 0xe67a: /* VDP - vector divide decimal */
|
|
case 0xe67b: /* VRP - vector remainder decimal */
|
|
case 0xe67e: /* VSDP - vector shift and divide decimal */
|
|
case 0xe74a: /* VFTCI - vector fp test data class immediate */
|
|
case 0xe75c: /* VISTR - vector isolate string */
|
|
case 0xe780: /* VFEE - vector find element equal */
|
|
case 0xe781: /* VFENE - vector find element not equal */
|
|
case 0xe782: /* VFA - vector find any element equal */
|
|
case 0xe78a: /* VSTRC - vector string range compare */
|
|
case 0xe795: /* VPKLS - vector pack logical saturate */
|
|
case 0xe797: /* VPKS - vector pack saturate */
|
|
case 0xe7e8: /* VFCE - vector fp compare equal */
|
|
case 0xe7ea: /* VFCHE - vector fp compare high or equal */
|
|
case 0xe7eb: /* VFCH - vector fp compare high */
|
|
case 0xe7f8: /* VCEQ - vector compare equal */
|
|
case 0xe7f9: /* VCHL - vector compare high logical */
|
|
case 0xe7fb: /* VCH - vector compare high */
|
|
/* vector destination + flags + FPC */
|
|
if (s390_record_vr (gdbarch, regcache, ivec[0]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xe65f: /* VTP - vector test decimal */
|
|
/* flags + FPC */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe74b-0xe74c undefined */
|
|
/* 0xe74e-0xe74f undefined */
|
|
/* 0xe751 undefined */
|
|
/* 0xe754-0xe755 undefined */
|
|
/* 0xe757-0xe75b undefined */
|
|
/* 0xe75d-0xe75e undefined */
|
|
/* 0xe763 undefined */
|
|
/* 0xe771 undefined */
|
|
/* 0xe776 undefined */
|
|
/* 0xe779 undefined */
|
|
/* 0xe77b undefined */
|
|
/* 0xe783 undefined */
|
|
/* 0xe786-0xe789 undefined */
|
|
/* 0xe78b undefined */
|
|
/* 0xe790-0xe793 undefined */
|
|
/* 0xe796 undefined */
|
|
/* 0xe798-0xe79d undefined */
|
|
/* 0xe7a0 undefined */
|
|
/* 0xe7a8 undefined */
|
|
/* 0xe7b0-0xe7b3 undefined */
|
|
/* 0xe7b5-0xe7b7 undefined */
|
|
/* 0xe7ba undefined */
|
|
/* 0xe7be undefined */
|
|
/* 0xe7c6 undefined */
|
|
/* 0xe7c8-0xe7c9 undefined */
|
|
|
|
case 0xe677: /* VCP - vector compare decimal */
|
|
case 0xe7ca: /* WFK - vector fp compare and signal scalar */
|
|
case 0xe7cb: /* WFC - vector fp compare scalar */
|
|
case 0xe7d8: /* VTM - vector test under mask */
|
|
case 0xe7d9: /* VECL - vector element compare logical */
|
|
case 0xe7db: /* VEC - vector element compare */
|
|
case 0xed08: /* KEB - compare and signal */
|
|
case 0xed09: /* CEB - compare */
|
|
case 0xed18: /* KDB - compare and signal */
|
|
case 0xed19: /* CDB - compare */
|
|
/* flags + fpc only */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe7cd undefined */
|
|
/* 0xe7cf-0xe7d3 undefined */
|
|
/* 0xe7da undefined */
|
|
/* 0xe7dc-0xe7dd undefined */
|
|
/* 0xe7e0-0xe7e1 undefined */
|
|
/* 0xe7e4 undefined */
|
|
/* 0xe7e6 undefined */
|
|
/* 0xe7e9 undefined */
|
|
/* 0xe7ec-0xe7ed undefined */
|
|
/* 0xe7f4 undefined */
|
|
/* 0xe7f6 undefined */
|
|
/* 0xe7fa undefined */
|
|
|
|
/* 0xeb00-0xeb03 undefined */
|
|
|
|
case 0xeb04: /* LMG - load multiple */
|
|
for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
|
|
if (s390_record_gpr_g (gdbarch, regcache, i))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb05-0xeb09 undefined */
|
|
/* 0xeb0e undefined */
|
|
/* 0xeb0f privileged: TRACG */
|
|
/* 0xeb10-0xeb13 undefined */
|
|
|
|
case 0xeb14: /* CSY - compare and swap */
|
|
case 0xebf4: /* LAN - load and and */
|
|
case 0xebf6: /* LAO - load and or */
|
|
case 0xebf7: /* LAX - load and xor */
|
|
case 0xebf8: /* LAA - load and add */
|
|
case 0xebfa: /* LAAL - load and add logical */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb15-0xeb1b undefined */
|
|
/* 0xeb1e-0xeb1f undefined */
|
|
/* 0xeb22 undefined */
|
|
|
|
case 0xeb23: /* CLT - compare logical and trap */
|
|
case 0xeb2b: /* CLGT - compare logical and trap */
|
|
/* fpc only - including possible DXC write for trapping insns */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xeb24: /* STMG - store multiple */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (inib[2] <= inib[3])
|
|
n = inib[3] - inib[2] + 1;
|
|
else
|
|
n = inib[3] + 0x10 - inib[2] + 1;
|
|
if (record_full_arch_list_add_mem (oaddr, n * 8))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb25 privileged */
|
|
|
|
case 0xeb26: /* STMH - store multiple high */
|
|
case 0xeb90: /* STMY - store multiple */
|
|
case 0xeb9b: /* STAMY - store access multiple */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (inib[2] <= inib[3])
|
|
n = inib[3] - inib[2] + 1;
|
|
else
|
|
n = inib[3] + 0x10 - inib[2] + 1;
|
|
if (record_full_arch_list_add_mem (oaddr, n * 4))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb27-0xeb2a undefined */
|
|
|
|
case 0xeb2c: /* STCMH - store characters under mask */
|
|
case 0xeb2d: /* STCMY - store characters under mask */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, s390_popcnt (inib[3])))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb2e undefined */
|
|
/* 0xeb2f privileged */
|
|
|
|
case 0xeb30: /* CSG - compare and swap */
|
|
case 0xebe4: /* LANG - load and and */
|
|
case 0xebe6: /* LAOG - load and or */
|
|
case 0xebe7: /* LAXG - load and xor */
|
|
case 0xebe8: /* LAAG - load and add */
|
|
case 0xebea: /* LAALG - load and add logical */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xeb31: /* CDSY - compare double and swap */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb32-0xeb3d undefined */
|
|
|
|
case 0xeb3e: /* CDSG - compare double and swap */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2] | 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb3f-0xeb43 undefined */
|
|
/* 0xeb46-0xeb4b undefined */
|
|
/* 0xeb4d-0xeb50 undefined */
|
|
|
|
case 0xeb52: /* MVIY - move */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 1))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xeb54: /* NIY - and */
|
|
case 0xeb56: /* OIY - or */
|
|
case 0xeb57: /* XIY - xor */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb53 undefined */
|
|
/* 0xeb58-0xeb69 undefined */
|
|
|
|
case 0xeb6a: /* ASI - add immediate */
|
|
case 0xeb6e: /* ALSI - add immediate */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb6b-0xeb6d undefined */
|
|
/* 0xeb6f-0xeb79 undefined */
|
|
|
|
case 0xeb7a: /* AGSI - add immediate */
|
|
case 0xeb7e: /* ALGSI - add immediate */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb7b-0xeb7d undefined */
|
|
/* 0xeb7f undefined */
|
|
|
|
case 0xeb80: /* ICMH - insert characters under mask */
|
|
/* 32-bit high gpr destination + flags */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb82-0xeb8d undefined */
|
|
|
|
case 0xeb8e: /* MVCLU - move long unicode [partial] */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + inib[2], &tmp);
|
|
oaddr = s390_record_address_mask (gdbarch, regcache, tmp);
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM + (inib[2] | 1), &tmp);
|
|
if (record_full_arch_list_add_mem (oaddr, tmp))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xeb8f: /* CLCLU - compare logical long unicode [partial] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[2] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + (inib[3] | 1)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb91-0xeb95 undefined */
|
|
|
|
case 0xeb96: /* LMH - load multiple high */
|
|
for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
|
|
if (s390_record_gpr_h (gdbarch, regcache, i))
|
|
return -1;
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb97 undefined */
|
|
|
|
case 0xeb98: /* LMY - load multiple */
|
|
for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + i))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb99 undefined */
|
|
|
|
case 0xeb9a: /* LAMY - load access multiple */
|
|
for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
|
|
if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + i))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_A0_REGNUM + inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xeb9c-0xebbf undefined */
|
|
/* 0xebc1-0xebdb undefined */
|
|
|
|
case 0xebe1: /* STOCFH - store high on condition */
|
|
case 0xebf3: /* STOC - store on condition */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xebe3: /* STOCG - store on condition */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], ibyte[4]);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xebe5 undefined */
|
|
/* 0xebe9 undefined */
|
|
/* 0xebeb-0xebf1 undefined */
|
|
/* 0xebf5 undefined */
|
|
/* 0xebf9 undefined */
|
|
/* 0xebfb-0xebff undefined */
|
|
|
|
/* 0xed00-0xed03 undefined */
|
|
|
|
case 0xed04: /* LDEB - load lengthened */
|
|
case 0xed0c: /* MDEB - multiply */
|
|
case 0xed0d: /* DEB - divide */
|
|
case 0xed14: /* SQEB - square root */
|
|
case 0xed15: /* SQDB - square root */
|
|
case 0xed17: /* MEEB - multiply */
|
|
case 0xed1c: /* MDB - multiply */
|
|
case 0xed1d: /* DDB - divide */
|
|
/* float destination + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xed05: /* LXDB - load lengthened */
|
|
case 0xed06: /* LXEB - load lengthened */
|
|
case 0xed07: /* MXDB - multiply */
|
|
/* float pair destination + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xed0a: /* AEB - add */
|
|
case 0xed0b: /* SEB - subtract */
|
|
case 0xed1a: /* ADB - add */
|
|
case 0xed1b: /* SDB - subtract */
|
|
/* float destination + flags + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xed0e: /* MAEB - multiply and add */
|
|
case 0xed0f: /* MSEB - multiply and subtract */
|
|
case 0xed1e: /* MADB - multiply and add */
|
|
case 0xed1f: /* MSDB - multiply and subtract */
|
|
case 0xed40: /* SLDT - shift significand left */
|
|
case 0xed41: /* SRDT - shift significand right */
|
|
case 0xedaa: /* CDZT - convert from zoned */
|
|
case 0xedae: /* CDPT - convert from packed */
|
|
/* float destination [RXF] + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xed13 undefined */
|
|
/* 0xed16 undefined */
|
|
/* 0xed20-0xed23 undefined */
|
|
|
|
case 0xed24: /* LDE - load lengthened */
|
|
case 0xed34: /* SQE - square root */
|
|
case 0xed35: /* SQD - square root */
|
|
case 0xed37: /* MEE - multiply */
|
|
case 0xed64: /* LEY - load */
|
|
case 0xed65: /* LDY - load */
|
|
/* float destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xed25: /* LXD - load lengthened */
|
|
case 0xed26: /* LXE - load lengthened */
|
|
/* float pair destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[2] | 2)))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xed27-0xed2d undefined */
|
|
|
|
case 0xed2e: /* MAE - multiply and add */
|
|
case 0xed2f: /* MSE - multiply and subtract */
|
|
case 0xed38: /* MAYL - multiply and add unnormalized */
|
|
case 0xed39: /* MYL - multiply unnormalized */
|
|
case 0xed3c: /* MAYH - multiply and add unnormalized */
|
|
case 0xed3d: /* MYH - multiply unnormalized */
|
|
case 0xed3e: /* MAD - multiply and add */
|
|
case 0xed3f: /* MSD - multiply and subtract */
|
|
/* float destination [RXF] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xed30-0xed33 undefined */
|
|
/* 0xed36 undefined */
|
|
|
|
case 0xed3a: /* MAY - multiply and add unnormalized */
|
|
case 0xed3b: /* MY - multiply unnormalized */
|
|
/* float pair destination [RXF] */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xed42-0xed47 undefined */
|
|
|
|
case 0xed48: /* SLXT - shift significand left */
|
|
case 0xed49: /* SRXT - shift significand right */
|
|
case 0xedab: /* CXZT - convert from zoned */
|
|
case 0xedaf: /* CXPT - convert from packed */
|
|
/* float pair destination [RXF] + fpc */
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + inib[8]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_F0_REGNUM + (inib[8] | 2)))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xed4a-0xed4f undefined */
|
|
/* 0xed52-0xed53 undefined */
|
|
/* 0xed56-0xed57 undefined */
|
|
/* 0xed5a-0xed63 undefined */
|
|
/* 0xed68-0xeda7 undefined */
|
|
|
|
case 0xeda8: /* CZDT - convert to zoned */
|
|
case 0xeda9: /* CZXT - convert to zoned */
|
|
case 0xedac: /* CPDT - convert to packed */
|
|
case 0xedad: /* CPXT - convert to packed */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, ibyte[1] + 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xedb0-0xedff undefined */
|
|
|
|
default:
|
|
goto UNKNOWN_OP;
|
|
}
|
|
break;
|
|
|
|
/* 0xe4 undefined */
|
|
|
|
case 0xe5:
|
|
/* SSE/SIL-format instruction */
|
|
switch (insn[0])
|
|
{
|
|
/* 0xe500-0xe509 undefined, privileged, or unsupported */
|
|
|
|
case 0xe50a: /* MVCRL - move right to left */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, (tmp & 0xff) + 1))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe50b-0xe543 undefined, privileged, or unsupported */
|
|
|
|
case 0xe544: /* MVHHI - move */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 2))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe545-0xe547 undefined */
|
|
|
|
case 0xe548: /* MVGHI - move */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe549-0xe54b undefined */
|
|
|
|
case 0xe54c: /* MVHI - move */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe54d-0xe553 undefined */
|
|
|
|
case 0xe554: /* CHHSI - compare halfword immediate */
|
|
case 0xe555: /* CLHHSI - compare logical immediate */
|
|
case 0xe558: /* CGHSI - compare halfword immediate */
|
|
case 0xe559: /* CLGHSI - compare logical immediate */
|
|
case 0xe55c: /* CHSI - compare halfword immediate */
|
|
case 0xe55d: /* CLFHSI - compare logical immediate */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe556-0xe557 undefined */
|
|
/* 0xe55a-0xe55b undefined */
|
|
/* 0xe55e-0xe55f undefined */
|
|
|
|
case 0xe560: /* TBEGIN - transaction begin */
|
|
/* The transaction will be immediately aborted after this
|
|
instruction, due to single-stepping. This instruction is
|
|
only supported so that the program can fail a few times
|
|
and go to the non-transactional fallback. */
|
|
if (inib[4])
|
|
{
|
|
/* Transaction diagnostic block - user. */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, 256))
|
|
return -1;
|
|
}
|
|
/* Transaction diagnostic block - supervisor. */
|
|
if (record_full_arch_list_add_reg (regcache, S390_TDB_DWORD0_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_TDB_ABORT_CODE_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_TDB_CONFLICT_TOKEN_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_TDB_ATIA_REGNUM))
|
|
return -1;
|
|
for (i = 0; i < 16; i++)
|
|
if (record_full_arch_list_add_reg (regcache, S390_TDB_R0_REGNUM + i))
|
|
return -1;
|
|
/* And flags. */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xe561 unsupported: TBEGINC */
|
|
/* 0xe562-0xe5ff undefined */
|
|
|
|
default:
|
|
goto UNKNOWN_OP;
|
|
}
|
|
break;
|
|
|
|
case 0xec:
|
|
/* RIE/RIS/RRS-format instruction */
|
|
switch (ibyte[0] << 8 | ibyte[5])
|
|
{
|
|
/* 0xec00-0xec41 undefined */
|
|
|
|
case 0xec42: /* LOCHI - load halfword immediate on condition */
|
|
case 0xec51: /* RISBLG - rotate then insert selected bits low */
|
|
/* 32-bit or native gpr destination */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xec43 undefined */
|
|
|
|
case 0xec44: /* BRXHG - branch relative on index high */
|
|
case 0xec45: /* BRXLG - branch relative on index low or equal */
|
|
case 0xec46: /* LOCGHI - load halfword immediate on condition */
|
|
case 0xec59: /* RISBGN - rotate then insert selected bits */
|
|
/* 64-bit gpr destination */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xec47-0xec4d undefined */
|
|
|
|
case 0xec4e: /* LOCHHI - load halfword immediate on condition */
|
|
case 0xec5d: /* RISBHG - rotate then insert selected bits high */
|
|
/* 32-bit high gpr destination */
|
|
if (s390_record_gpr_h (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xec4f-0xec50 undefined */
|
|
/* 0xec52-0xec53 undefined */
|
|
|
|
case 0xec54: /* RNSBG - rotate then and selected bits */
|
|
case 0xec55: /* RISBG - rotate then insert selected bits */
|
|
case 0xec56: /* ROSBG - rotate then or selected bits */
|
|
case 0xec57: /* RXSBG - rotate then xor selected bits */
|
|
case 0xecd9: /* AGHIK - add immediate */
|
|
case 0xecdb: /* ALGHSIK - add logical immediate */
|
|
/* 64-bit gpr destination + flags */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xec58 undefined */
|
|
/* 0xec5a-0xec5c undefined */
|
|
/* 0xec5e-0xec63 undefined */
|
|
|
|
case 0xec64: /* CGRJ - compare and branch relative */
|
|
case 0xec65: /* CLGRJ - compare logical and branch relative */
|
|
case 0xec76: /* CRJ - compare and branch relative */
|
|
case 0xec77: /* CLRJ - compare logical and branch relative */
|
|
case 0xec7c: /* CGIJ - compare immediate and branch relative */
|
|
case 0xec7d: /* CLGIJ - compare logical immediate and branch relative */
|
|
case 0xec7e: /* CIJ - compare immediate and branch relative */
|
|
case 0xec7f: /* CLIJ - compare logical immediate and branch relative */
|
|
case 0xece4: /* CGRB - compare and branch */
|
|
case 0xece5: /* CLGRB - compare logical and branch */
|
|
case 0xecf6: /* CRB - compare and branch */
|
|
case 0xecf7: /* CLRB - compare logical and branch */
|
|
case 0xecfc: /* CGIB - compare immediate and branch */
|
|
case 0xecfd: /* CLGIB - compare logical immediate and branch */
|
|
case 0xecfe: /* CIB - compare immediate and branch */
|
|
case 0xecff: /* CLIB - compare logical immediate and branch */
|
|
break;
|
|
|
|
/* 0xec66-0xec6f undefined */
|
|
|
|
case 0xec70: /* CGIT - compare immediate and trap */
|
|
case 0xec71: /* CLGIT - compare logical immediate and trap */
|
|
case 0xec72: /* CIT - compare immediate and trap */
|
|
case 0xec73: /* CLFIT - compare logical immediate and trap */
|
|
/* fpc only - including possible DXC write for trapping insns */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xec74-0xec75 undefined */
|
|
/* 0xec78-0xec7b undefined */
|
|
|
|
/* 0xec80-0xecd7 undefined */
|
|
|
|
case 0xecd8: /* AHIK - add immediate */
|
|
case 0xecda: /* ALHSIK - add logical immediate */
|
|
/* 32-bit gpr destination + flags */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xecdc-0xece3 undefined */
|
|
/* 0xece6-0xecf5 undefined */
|
|
/* 0xecf8-0xecfb undefined */
|
|
|
|
default:
|
|
goto UNKNOWN_OP;
|
|
}
|
|
break;
|
|
|
|
case 0xee: /* PLO - perform locked operation */
|
|
regcache_raw_read_unsigned (regcache, S390_R0_REGNUM, &tmp);
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
oaddr2 = s390_record_calc_disp (gdbarch, regcache, 0, insn[2], 0);
|
|
if (!(tmp & 0x100))
|
|
{
|
|
uint8_t fc = tmp & 0xff;
|
|
gdb_byte buf[8];
|
|
switch (fc)
|
|
{
|
|
case 0x00: /* CL */
|
|
/* op1c */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
/* op3 */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x01: /* CLG */
|
|
/* op1c */
|
|
if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
|
|
return -1;
|
|
/* op3 */
|
|
if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x02: /* CLGR */
|
|
/* op1c */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
/* op3 */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x03: /* CLX */
|
|
/* op1c */
|
|
if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
|
|
return -1;
|
|
/* op3 */
|
|
if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x08: /* DCS */
|
|
/* op3c */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[3]))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x0c: /* CSST */
|
|
/* op4 */
|
|
if (record_full_arch_list_add_mem (oaddr2, 4))
|
|
return -1;
|
|
goto CS;
|
|
|
|
case 0x14: /* CSTST */
|
|
/* op8 */
|
|
if (target_read_memory (oaddr2 + 0x88, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 4))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x10: /* CSDST */
|
|
/* op6 */
|
|
if (target_read_memory (oaddr2 + 0x68, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 4))
|
|
return -1;
|
|
/* op4 */
|
|
if (target_read_memory (oaddr2 + 0x48, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 4))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x04: /* CS */
|
|
CS:
|
|
/* op1c */
|
|
if (record_full_arch_list_add_reg (regcache, S390_R0_REGNUM + inib[2]))
|
|
return -1;
|
|
/* op2 */
|
|
if (record_full_arch_list_add_mem (oaddr, 4))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x09: /* DCSG */
|
|
/* op3c */
|
|
if (record_full_arch_list_add_mem (oaddr2 + 0x28, 8))
|
|
return -1;
|
|
goto CSSTG;
|
|
|
|
case 0x15: /* CSTSTG */
|
|
/* op8 */
|
|
if (target_read_memory (oaddr2 + 0x88, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 8))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x11: /* CSDSTG */
|
|
/* op6 */
|
|
if (target_read_memory (oaddr2 + 0x68, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 8))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x0d: /* CSSTG */
|
|
CSSTG:
|
|
/* op4 */
|
|
if (target_read_memory (oaddr2 + 0x48, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 8))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x05: /* CSG */
|
|
/* op1c */
|
|
if (record_full_arch_list_add_mem (oaddr2 + 0x08, 8))
|
|
return -1;
|
|
/* op2 */
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x0a: /* DCSGR */
|
|
/* op3c */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x0e: /* CSSTGR */
|
|
/* op4 */
|
|
if (record_full_arch_list_add_mem (oaddr2, 8))
|
|
return -1;
|
|
goto CSGR;
|
|
|
|
case 0x16: /* CSTSTGR */
|
|
/* op8 */
|
|
if (target_read_memory (oaddr2 + 0x88, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 8))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x12: /* CSDSTGR */
|
|
/* op6 */
|
|
if (target_read_memory (oaddr2 + 0x68, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 8))
|
|
return -1;
|
|
/* op4 */
|
|
if (target_read_memory (oaddr2 + 0x48, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 8))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x06: /* CSGR */
|
|
CSGR:
|
|
/* op1c */
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[2]))
|
|
return -1;
|
|
/* op2 */
|
|
if (record_full_arch_list_add_mem (oaddr, 8))
|
|
return -1;
|
|
break;
|
|
|
|
case 0x0b: /* DCSX */
|
|
/* op3c */
|
|
if (record_full_arch_list_add_mem (oaddr2 + 0x20, 16))
|
|
return -1;
|
|
goto CSSTX;
|
|
|
|
case 0x17: /* CSTSTX */
|
|
/* op8 */
|
|
if (target_read_memory (oaddr2 + 0x88, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 16))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x13: /* CSDSTX */
|
|
/* op6 */
|
|
if (target_read_memory (oaddr2 + 0x68, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 16))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x0f: /* CSSTX */
|
|
CSSTX:
|
|
/* op4 */
|
|
if (target_read_memory (oaddr2 + 0x48, buf, 8))
|
|
return -1;
|
|
oaddr3 = extract_unsigned_integer (buf, 8, byte_order);
|
|
oaddr3 = s390_record_address_mask (gdbarch, regcache, oaddr3);
|
|
if (record_full_arch_list_add_mem (oaddr3, 16))
|
|
return -1;
|
|
/* fallthru */
|
|
case 0x07: /* CSX */
|
|
/* op1c */
|
|
if (record_full_arch_list_add_mem (oaddr2 + 0x00, 16))
|
|
return -1;
|
|
/* op2 */
|
|
if (record_full_arch_list_add_mem (oaddr, 16))
|
|
return -1;
|
|
break;
|
|
|
|
default:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown PLO FC %02x at %s.\n",
|
|
fc, paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
}
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xef: /* LMD - load multiple disjoint */
|
|
for (i = inib[2]; i != inib[3]; i++, i &= 0xf)
|
|
if (s390_record_gpr_g (gdbarch, regcache, i))
|
|
return -1;
|
|
if (s390_record_gpr_g (gdbarch, regcache, inib[3]))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xf0: /* SRP - shift and round decimal */
|
|
case 0xf8: /* ZAP - zero and add */
|
|
case 0xfa: /* AP - add decimal */
|
|
case 0xfb: /* SP - subtract decimal */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
|
|
return -1;
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
/* DXC may be written */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xf1: /* MVO - move with offset */
|
|
case 0xf2: /* PACK - pack */
|
|
case 0xf3: /* UNPK - unpack */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xf4-0xf7 undefined */
|
|
|
|
case 0xf9: /* CP - compare decimal */
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWM_REGNUM))
|
|
return -1;
|
|
/* DXC may be written */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
case 0xfc: /* MP - multiply decimal */
|
|
case 0xfd: /* DP - divide decimal */
|
|
oaddr = s390_record_calc_disp (gdbarch, regcache, 0, insn[1], 0);
|
|
if (record_full_arch_list_add_mem (oaddr, inib[2] + 1))
|
|
return -1;
|
|
/* DXC may be written */
|
|
if (record_full_arch_list_add_reg (regcache, S390_FPC_REGNUM))
|
|
return -1;
|
|
break;
|
|
|
|
/* 0xfe-0xff undefined */
|
|
|
|
default:
|
|
UNKNOWN_OP:
|
|
fprintf_unfiltered (gdb_stdlog, "Warning: Don't know how to record %04x "
|
|
"at %s.\n", insn[0], paddress (gdbarch, addr));
|
|
return -1;
|
|
}
|
|
|
|
if (record_full_arch_list_add_reg (regcache, S390_PSWA_REGNUM))
|
|
return -1;
|
|
if (record_full_arch_list_add_end ())
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
/* Miscellaneous. */
|
|
|
|
/* Implement gdbarch_gcc_target_options. GCC does not know "-m32" or
|
|
"-mcmodel=large". */
|
|
|
|
static std::string
|
|
s390_gcc_target_options (struct gdbarch *gdbarch)
|
|
{
|
|
return gdbarch_ptr_bit (gdbarch) == 64 ? "-m64" : "-m31";
|
|
}
|
|
|
|
/* Implement gdbarch_gnu_triplet_regexp. Target triplets are "s390-*"
|
|
for 31-bit and "s390x-*" for 64-bit, while the BFD arch name is
|
|
always "s390". Note that an s390x compiler supports "-m31" as
|
|
well. */
|
|
|
|
static const char *
|
|
s390_gnu_triplet_regexp (struct gdbarch *gdbarch)
|
|
{
|
|
return "s390x?";
|
|
}
|
|
|
|
/* Implementation of `gdbarch_stap_is_single_operand', as defined in
|
|
gdbarch.h. */
|
|
|
|
static int
|
|
s390_stap_is_single_operand (struct gdbarch *gdbarch, const char *s)
|
|
{
|
|
return ((isdigit (*s) && s[1] == '(' && s[2] == '%') /* Displacement
|
|
or indirection. */
|
|
|| *s == '%' /* Register access. */
|
|
|| isdigit (*s)); /* Literal number. */
|
|
}
|
|
|
|
/* gdbarch init. */
|
|
|
|
/* Validate the range of registers. NAMES must be known at compile time. */
|
|
|
|
#define s390_validate_reg_range(feature, tdesc_data, start, names) \
|
|
do \
|
|
{ \
|
|
for (int i = 0; i < ARRAY_SIZE (names); i++) \
|
|
if (!tdesc_numbered_register (feature, tdesc_data, start + i, names[i])) \
|
|
return false; \
|
|
} \
|
|
while (0)
|
|
|
|
/* Validate the target description. Also numbers registers contained in
|
|
tdesc. */
|
|
|
|
static bool
|
|
s390_tdesc_valid (struct gdbarch_tdep *tdep,
|
|
struct tdesc_arch_data *tdesc_data)
|
|
{
|
|
static const char *const psw[] = {
|
|
"pswm", "pswa"
|
|
};
|
|
static const char *const gprs[] = {
|
|
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
|
|
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
|
|
};
|
|
static const char *const fprs[] = {
|
|
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
|
|
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15"
|
|
};
|
|
static const char *const acrs[] = {
|
|
"acr0", "acr1", "acr2", "acr3", "acr4", "acr5", "acr6", "acr7",
|
|
"acr8", "acr9", "acr10", "acr11", "acr12", "acr13", "acr14", "acr15"
|
|
};
|
|
static const char *const gprs_lower[] = {
|
|
"r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l",
|
|
"r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l"
|
|
};
|
|
static const char *const gprs_upper[] = {
|
|
"r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
|
|
"r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h"
|
|
};
|
|
static const char *const tdb_regs[] = {
|
|
"tdb0", "tac", "tct", "atia",
|
|
"tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7",
|
|
"tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15"
|
|
};
|
|
static const char *const vxrs_low[] = {
|
|
"v0l", "v1l", "v2l", "v3l", "v4l", "v5l", "v6l", "v7l", "v8l",
|
|
"v9l", "v10l", "v11l", "v12l", "v13l", "v14l", "v15l",
|
|
};
|
|
static const char *const vxrs_high[] = {
|
|
"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24",
|
|
"v25", "v26", "v27", "v28", "v29", "v30", "v31",
|
|
};
|
|
static const char *const gs_cb[] = {
|
|
"gsd", "gssm", "gsepla",
|
|
};
|
|
static const char *const gs_bc[] = {
|
|
"bc_gsd", "bc_gssm", "bc_gsepla",
|
|
};
|
|
|
|
const struct target_desc *tdesc = tdep->tdesc;
|
|
const struct tdesc_feature *feature;
|
|
|
|
if (!tdesc_has_registers (tdesc))
|
|
return false;
|
|
|
|
/* Core registers, i.e. general purpose and PSW. */
|
|
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.core");
|
|
if (feature == NULL)
|
|
return false;
|
|
|
|
s390_validate_reg_range (feature, tdesc_data, S390_PSWM_REGNUM, psw);
|
|
|
|
if (tdesc_unnumbered_register (feature, "r0"))
|
|
{
|
|
s390_validate_reg_range (feature, tdesc_data, S390_R0_REGNUM, gprs);
|
|
}
|
|
else
|
|
{
|
|
tdep->have_upper = true;
|
|
s390_validate_reg_range (feature, tdesc_data, S390_R0_REGNUM,
|
|
gprs_lower);
|
|
s390_validate_reg_range (feature, tdesc_data, S390_R0_UPPER_REGNUM,
|
|
gprs_upper);
|
|
}
|
|
|
|
/* Floating point registers. */
|
|
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.fpr");
|
|
if (feature == NULL)
|
|
return false;
|
|
|
|
if (!tdesc_numbered_register (feature, tdesc_data, S390_FPC_REGNUM, "fpc"))
|
|
return false;
|
|
|
|
s390_validate_reg_range (feature, tdesc_data, S390_F0_REGNUM, fprs);
|
|
|
|
/* Access control registers. */
|
|
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.acr");
|
|
if (feature == NULL)
|
|
return false;
|
|
|
|
s390_validate_reg_range (feature, tdesc_data, S390_A0_REGNUM, acrs);
|
|
|
|
/* Optional GNU/Linux-specific "registers". */
|
|
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.linux");
|
|
if (feature)
|
|
{
|
|
tdesc_numbered_register (feature, tdesc_data,
|
|
S390_ORIG_R2_REGNUM, "orig_r2");
|
|
|
|
if (tdesc_numbered_register (feature, tdesc_data,
|
|
S390_LAST_BREAK_REGNUM, "last_break"))
|
|
tdep->have_linux_v1 = true;
|
|
|
|
if (tdesc_numbered_register (feature, tdesc_data,
|
|
S390_SYSTEM_CALL_REGNUM, "system_call"))
|
|
tdep->have_linux_v2 = true;
|
|
|
|
if (tdep->have_linux_v2 && !tdep->have_linux_v1)
|
|
return false;
|
|
}
|
|
|
|
/* Transaction diagnostic block. */
|
|
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb");
|
|
if (feature)
|
|
{
|
|
s390_validate_reg_range (feature, tdesc_data, S390_TDB_DWORD0_REGNUM,
|
|
tdb_regs);
|
|
tdep->have_tdb = true;
|
|
}
|
|
|
|
/* Vector registers. */
|
|
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.vx");
|
|
if (feature)
|
|
{
|
|
s390_validate_reg_range (feature, tdesc_data, S390_V0_LOWER_REGNUM,
|
|
vxrs_low);
|
|
s390_validate_reg_range (feature, tdesc_data, S390_V16_REGNUM,
|
|
vxrs_high);
|
|
tdep->have_vx = true;
|
|
}
|
|
|
|
/* Guarded-storage registers. */
|
|
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gs");
|
|
if (feature)
|
|
{
|
|
s390_validate_reg_range (feature, tdesc_data, S390_GSD_REGNUM, gs_cb);
|
|
tdep->have_gs = true;
|
|
}
|
|
|
|
/* Guarded-storage broadcast control. */
|
|
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.gsbc");
|
|
if (feature)
|
|
{
|
|
if (!tdep->have_gs)
|
|
return false;
|
|
s390_validate_reg_range (feature, tdesc_data, S390_BC_GSD_REGNUM,
|
|
gs_bc);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* Allocate and initialize new gdbarch_tdep. Caller is responsible to free
|
|
memory after use. */
|
|
|
|
static struct gdbarch_tdep *
|
|
s390_gdbarch_tdep_alloc ()
|
|
{
|
|
struct gdbarch_tdep *tdep = XCNEW (struct gdbarch_tdep);
|
|
|
|
tdep->tdesc = NULL;
|
|
|
|
tdep->abi = ABI_NONE;
|
|
tdep->vector_abi = S390_VECTOR_ABI_NONE;
|
|
|
|
tdep->gpr_full_regnum = -1;
|
|
tdep->v0_full_regnum = -1;
|
|
tdep->pc_regnum = -1;
|
|
tdep->cc_regnum = -1;
|
|
|
|
tdep->have_upper = false;
|
|
tdep->have_linux_v1 = false;
|
|
tdep->have_linux_v2 = false;
|
|
tdep->have_tdb = false;
|
|
tdep->have_vx = false;
|
|
tdep->have_gs = false;
|
|
|
|
tdep->s390_syscall_record = NULL;
|
|
|
|
return tdep;
|
|
}
|
|
|
|
/* Set up gdbarch struct. */
|
|
|
|
static struct gdbarch *
|
|
s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
|
{
|
|
const struct target_desc *tdesc = info.target_desc;
|
|
int first_pseudo_reg, last_pseudo_reg;
|
|
static const char *const stap_register_prefixes[] = { "%", NULL };
|
|
static const char *const stap_register_indirection_prefixes[] = { "(",
|
|
NULL };
|
|
static const char *const stap_register_indirection_suffixes[] = { ")",
|
|
NULL };
|
|
|
|
struct gdbarch_tdep *tdep = s390_gdbarch_tdep_alloc ();
|
|
struct gdbarch *gdbarch = gdbarch_alloc (&info, tdep);
|
|
tdesc_arch_data_up tdesc_data = tdesc_data_alloc ();
|
|
info.tdesc_data = tdesc_data.get ();
|
|
|
|
set_gdbarch_believe_pcc_promotion (gdbarch, 0);
|
|
set_gdbarch_char_signed (gdbarch, 0);
|
|
|
|
/* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles.
|
|
We can safely let them default to 128-bit, since the debug info
|
|
will give the size of type actually used in each case. */
|
|
set_gdbarch_long_double_bit (gdbarch, 128);
|
|
set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
|
|
|
|
set_gdbarch_type_align (gdbarch, s390_type_align);
|
|
|
|
/* Breakpoints. */
|
|
/* Amount PC must be decremented by after a breakpoint. This is
|
|
often the number of bytes returned by gdbarch_breakpoint_from_pc but not
|
|
always. */
|
|
set_gdbarch_decr_pc_after_break (gdbarch, 2);
|
|
set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc);
|
|
set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind);
|
|
|
|
/* Displaced stepping. */
|
|
set_gdbarch_displaced_step_copy_insn (gdbarch,
|
|
s390_displaced_step_copy_insn);
|
|
set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup);
|
|
set_gdbarch_displaced_step_prepare (gdbarch, linux_displaced_step_prepare);
|
|
set_gdbarch_displaced_step_finish (gdbarch, linux_displaced_step_finish);
|
|
set_gdbarch_displaced_step_restore_all_in_ptid
|
|
(gdbarch, linux_displaced_step_restore_all_in_ptid);
|
|
set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep);
|
|
set_gdbarch_software_single_step (gdbarch, s390_software_single_step);
|
|
set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE);
|
|
|
|
/* Prologue analysis. */
|
|
set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue);
|
|
|
|
/* Register handling. */
|
|
set_gdbarch_num_regs (gdbarch, S390_NUM_REGS);
|
|
set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM);
|
|
set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM);
|
|
set_gdbarch_guess_tracepoint_registers (gdbarch,
|
|
s390_guess_tracepoint_registers);
|
|
set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
|
|
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
|
|
set_gdbarch_value_from_register (gdbarch, s390_value_from_register);
|
|
|
|
/* Pseudo registers. */
|
|
set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read);
|
|
set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write);
|
|
set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name);
|
|
set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type);
|
|
set_tdesc_pseudo_register_reggroup_p (gdbarch,
|
|
s390_pseudo_register_reggroup_p);
|
|
set_gdbarch_ax_pseudo_register_collect (gdbarch,
|
|
s390_ax_pseudo_register_collect);
|
|
set_gdbarch_ax_pseudo_register_push_stack
|
|
(gdbarch, s390_ax_pseudo_register_push_stack);
|
|
set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address);
|
|
|
|
/* Inferior function calls. */
|
|
set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call);
|
|
set_gdbarch_dummy_id (gdbarch, s390_dummy_id);
|
|
set_gdbarch_frame_align (gdbarch, s390_frame_align);
|
|
set_gdbarch_return_value (gdbarch, s390_return_value);
|
|
|
|
/* Frame handling. */
|
|
/* Stack grows downward. */
|
|
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
|
|
set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p);
|
|
dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg);
|
|
dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum);
|
|
dwarf2_append_unwinders (gdbarch);
|
|
set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc);
|
|
set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp);
|
|
|
|
switch (info.bfd_arch_info->mach)
|
|
{
|
|
case bfd_mach_s390_31:
|
|
set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove);
|
|
break;
|
|
|
|
case bfd_mach_s390_64:
|
|
set_gdbarch_long_bit (gdbarch, 64);
|
|
set_gdbarch_long_long_bit (gdbarch, 64);
|
|
set_gdbarch_ptr_bit (gdbarch, 64);
|
|
set_gdbarch_address_class_type_flags (gdbarch,
|
|
s390_address_class_type_flags);
|
|
set_gdbarch_address_class_type_flags_to_name (gdbarch,
|
|
s390_address_class_type_flags_to_name);
|
|
set_gdbarch_address_class_name_to_type_flags (gdbarch,
|
|
s390_address_class_name_to_type_flags);
|
|
break;
|
|
}
|
|
|
|
/* SystemTap functions. */
|
|
set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
|
|
set_gdbarch_stap_register_indirection_prefixes (gdbarch,
|
|
stap_register_indirection_prefixes);
|
|
set_gdbarch_stap_register_indirection_suffixes (gdbarch,
|
|
stap_register_indirection_suffixes);
|
|
|
|
set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options);
|
|
set_gdbarch_valid_disassembler_options (gdbarch,
|
|
disassembler_options_s390 ());
|
|
|
|
/* Process record-replay */
|
|
set_gdbarch_process_record (gdbarch, s390_process_record);
|
|
|
|
/* Miscellaneous. */
|
|
set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand);
|
|
set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options);
|
|
set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp);
|
|
|
|
/* Initialize the OSABI. */
|
|
gdbarch_init_osabi (info, gdbarch);
|
|
|
|
/* Always create a default tdesc. Otherwise commands like 'set osabi'
|
|
cause GDB to crash with an internal error when the user tries to set
|
|
an unsupported OSABI. */
|
|
if (!tdesc_has_registers (tdesc))
|
|
{
|
|
if (info.bfd_arch_info->mach == bfd_mach_s390_31)
|
|
tdesc = tdesc_s390_linux32;
|
|
else
|
|
tdesc = tdesc_s390x_linux64;
|
|
}
|
|
tdep->tdesc = tdesc;
|
|
|
|
/* Check any target description for validity. */
|
|
if (!s390_tdesc_valid (tdep, tdesc_data.get ()))
|
|
{
|
|
xfree (tdep);
|
|
gdbarch_free (gdbarch);
|
|
return NULL;
|
|
}
|
|
|
|
/* Determine vector ABI. */
|
|
#ifdef HAVE_ELF
|
|
if (tdep->have_vx
|
|
&& info.abfd != NULL
|
|
&& info.abfd->format == bfd_object
|
|
&& bfd_get_flavour (info.abfd) == bfd_target_elf_flavour
|
|
&& bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_GNU,
|
|
Tag_GNU_S390_ABI_Vector) == 2)
|
|
tdep->vector_abi = S390_VECTOR_ABI_128;
|
|
#endif
|
|
|
|
/* Find a candidate among extant architectures. */
|
|
for (arches = gdbarch_list_lookup_by_info (arches, &info);
|
|
arches != NULL;
|
|
arches = gdbarch_list_lookup_by_info (arches->next, &info))
|
|
{
|
|
struct gdbarch_tdep *tmp = gdbarch_tdep (arches->gdbarch);
|
|
if (!tmp)
|
|
continue;
|
|
/* A program can 'choose' not to use the vector registers when they
|
|
are present. Leading to the same tdesc but different tdep and
|
|
thereby a different gdbarch. */
|
|
if (tmp->vector_abi != tdep->vector_abi)
|
|
continue;
|
|
|
|
xfree (tdep);
|
|
gdbarch_free (gdbarch);
|
|
return arches->gdbarch;
|
|
}
|
|
|
|
tdesc_use_registers (gdbarch, tdep->tdesc, std::move (tdesc_data));
|
|
set_gdbarch_register_name (gdbarch, s390_register_name);
|
|
|
|
/* Assign pseudo register numbers. */
|
|
first_pseudo_reg = gdbarch_num_regs (gdbarch);
|
|
last_pseudo_reg = first_pseudo_reg;
|
|
if (tdep->have_upper)
|
|
{
|
|
tdep->gpr_full_regnum = last_pseudo_reg;
|
|
last_pseudo_reg += 16;
|
|
}
|
|
if (tdep->have_vx)
|
|
{
|
|
tdep->v0_full_regnum = last_pseudo_reg;
|
|
last_pseudo_reg += 16;
|
|
}
|
|
tdep->pc_regnum = last_pseudo_reg++;
|
|
tdep->cc_regnum = last_pseudo_reg++;
|
|
set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum);
|
|
set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg);
|
|
|
|
/* Frame handling. */
|
|
frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
|
|
frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind);
|
|
frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind);
|
|
frame_base_set_default (gdbarch, &s390_frame_base);
|
|
|
|
return gdbarch;
|
|
}
|
|
|
|
void _initialize_s390_tdep ();
|
|
void
|
|
_initialize_s390_tdep ()
|
|
{
|
|
/* Hook us into the gdbarch mechanism. */
|
|
register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init);
|
|
|
|
initialize_tdesc_s390_linux32 ();
|
|
initialize_tdesc_s390x_linux64 ();
|
|
}
|