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57b29be766
* defs.h: Do not include "arch-utils.h". (GDB_MULTI_ARCH): If not defined, set to GDB_MULTI_ARCH_PARTIAL or GDB_MULTI_ARCH_PURE. * configure.in (GDB_MULTI_ARCH): Do not define. * configure, config.in: Regenerate. * configure.tgt: Do not set variable "gdb_multi_arch". * config/s390/s390x.mt (GDB_MULTI_ARCH): Delete. * config/s390/s390.mt (GDB_MULTI_ARCH): Delete. * config/i386/x86-64linux.mt (GDB_MULTI_ARCH): Delete. * config/v850/v850.mt (TM_FILE): Delete disabled definition. * config/m68hc11/m68hc11.mt (TM_FILE): Delete definition. * config/vax/tm-vax.h (GDB_MULTI_ARCH): Delete definition. * config/sparc/tm-sparc.h (GDB_MULTI_ARCH): Delete definition. * config/sparc/tm-sun4sol2.h (GDB_MULTI_ARCH): Delete definition. * config/sparc/tm-nbsd.h (GDB_MULTI_ARCH): Delete definition. * config/sparc/tm-linux.h (GDB_MULTI_ARCH): Delete definition. * config/sparc/tm-sp64.h (GDB_MULTI_ARCH): Delete definition. * config/pa/tm-hppa64.h (GDB_MULTI_ARCH): Delete definition. * config/ns32k/tm-ns32k.h (GDB_MULTI_ARCH): Delete definition. * config/m68k/tm-m68k.h (GDB_MULTI_ARCH): Delete definition. * config/i386/tm-i386.h (GDB_MULTI_ARCH): Delete definition. * config/h8300/tm-h8300.h (GDB_MULTI_ARCH): Delete definition. * config/frv/tm-frv.h (GDB_MULTI_ARCH): Delete definition. * config/alpha/tm-alpha.h (GDB_MULTI_ARCH): Delete definition.
362 lines
14 KiB
C
362 lines
14 KiB
C
/* Target machine sub-parameters for SPARC, for GDB, the GNU debugger.
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This is included by other tm-*.h files to define SPARC cpu-related info.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
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1998, 1999, 2000, 2001, 2002, 2003
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Free Software Foundation, Inc.
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Contributed by Michael Tiemann (tiemann@mcc.com)
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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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "regcache.h"
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struct type;
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struct value;
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struct frame_info;
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/*
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* The following enums are purely for the convenience of the GDB
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* developer, when debugging GDB.
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*/
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enum { /* Sparc general registers, for all sparc versions. */
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G0_REGNUM, G1_REGNUM, G2_REGNUM, G3_REGNUM,
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G4_REGNUM, G5_REGNUM, G6_REGNUM, G7_REGNUM,
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O0_REGNUM, O1_REGNUM, O2_REGNUM, O3_REGNUM,
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O4_REGNUM, O5_REGNUM, O6_REGNUM, O7_REGNUM,
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L0_REGNUM, L1_REGNUM, L2_REGNUM, L3_REGNUM,
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L4_REGNUM, L5_REGNUM, L6_REGNUM, L7_REGNUM,
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I0_REGNUM, I1_REGNUM, I2_REGNUM, I3_REGNUM,
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I4_REGNUM, I5_REGNUM, I6_REGNUM, I7_REGNUM,
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FP0_REGNUM /* Floating point register 0 */
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};
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enum { /* Sparc general registers, alternate names. */
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R0_REGNUM, R1_REGNUM, R2_REGNUM, R3_REGNUM,
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R4_REGNUM, R5_REGNUM, R6_REGNUM, R7_REGNUM,
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R8_REGNUM, R9_REGNUM, R10_REGNUM, R11_REGNUM,
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R12_REGNUM, R13_REGNUM, R14_REGNUM, R15_REGNUM,
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R16_REGNUM, R17_REGNUM, R18_REGNUM, R19_REGNUM,
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R20_REGNUM, R21_REGNUM, R22_REGNUM, R23_REGNUM,
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R24_REGNUM, R25_REGNUM, R26_REGNUM, R27_REGNUM,
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R28_REGNUM, R29_REGNUM, R30_REGNUM, R31_REGNUM
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};
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enum { /* Sparc32 control registers. */
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PS_REGNUM = 65, /* PC, NPC, and Y are omitted because */
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WIM_REGNUM = 66, /* they have different values depending on */
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TBR_REGNUM = 67, /* 32-bit / 64-bit mode. */
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FPS_REGNUM = 70,
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CPS_REGNUM = 71
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};
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/* v9 misc. and priv. regs */
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/* Note: specifying values explicitly for documentation purposes. */
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enum { /* Sparc64 control registers, excluding Y, PC, and NPC. */
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CCR_REGNUM = 82, /* Condition Code Register (%xcc,%icc) */
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FSR_REGNUM = 83, /* Floating Point State */
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FPRS_REGNUM = 84, /* Floating Point Registers State */
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ASI_REGNUM = 86, /* Alternate Space Identifier */
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VER_REGNUM = 87, /* Version register */
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TICK_REGNUM = 88, /* Tick register */
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PIL_REGNUM = 89, /* Processor Interrupt Level */
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PSTATE_REGNUM = 90, /* Processor State */
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TSTATE_REGNUM = 91, /* Trap State */
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TBA_REGNUM = 92, /* Trap Base Address */
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TL_REGNUM = 93, /* Trap Level */
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TT_REGNUM = 94, /* Trap Type */
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TPC_REGNUM = 95, /* Trap pc */
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TNPC_REGNUM = 96, /* Trap npc */
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WSTATE_REGNUM = 97, /* Window State */
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CWP_REGNUM = 98, /* Current Window Pointer */
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CANSAVE_REGNUM = 99, /* Savable Windows */
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CANRESTORE_REGNUM = 100, /* Restorable Windows */
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CLEANWIN_REGNUM = 101, /* Clean Windows */
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OTHERWIN_REGNUM = 102, /* Other Windows */
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ASR16_REGNUM = 103, /* Ancillary State Registers */
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ASR17_REGNUM = 104,
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ASR18_REGNUM = 105,
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ASR19_REGNUM = 106,
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ASR20_REGNUM = 107,
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ASR21_REGNUM = 108,
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ASR22_REGNUM = 109,
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ASR23_REGNUM = 110,
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ASR24_REGNUM = 111,
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ASR25_REGNUM = 112,
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ASR26_REGNUM = 113,
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ASR27_REGNUM = 114,
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ASR28_REGNUM = 115,
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ASR29_REGNUM = 116,
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ASR30_REGNUM = 117,
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ASR31_REGNUM = 118,
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ICC_REGNUM = 119, /* 32 bit condition codes */
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XCC_REGNUM = 120, /* 64 bit condition codes */
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FCC0_REGNUM = 121, /* fp cc reg 0 */
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FCC1_REGNUM = 122, /* fp cc reg 1 */
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FCC2_REGNUM = 123, /* fp cc reg 2 */
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FCC3_REGNUM = 124 /* fp cc reg 3 */
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};
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/*
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* Make sparc target multi-archable: April 2000
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*/
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/* Multi-arch definition of TARGET_IS_SPARC64, TARGET_ELF64 */
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#undef GDB_TARGET_IS_SPARC64
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#define GDB_TARGET_IS_SPARC64 \
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(sparc_intreg_size () == 8)
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#undef TARGET_ELF64
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#define TARGET_ELF64 \
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(sparc_intreg_size () == 8)
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extern int sparc_intreg_size (void);
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/*
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* The following defines should ONLY appear for MULTI_ARCH.
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*/
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/* Multi-arch the nPC and Y registers. */
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#define Y_REGNUM (sparc_y_regnum ())
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/* On the Sun 4 under SunOS, the compile will leave a fake insn which
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encodes the structure size being returned. If we detect such
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a fake insn, step past it. */
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#define PC_ADJUST(PC) sparc_pc_adjust (PC)
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extern CORE_ADDR sparc_pc_adjust (CORE_ADDR);
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/* If an argument is declared "register", Sun cc will keep it in a register,
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never saving it onto the stack. So we better not believe the "p" symbol
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descriptor stab. */
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#define USE_REGISTER_NOT_ARG
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/* For acc, there's no need to correct LBRAC entries by guessing how
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they should work. In fact, this is harmful because the LBRAC
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entries now all appear at the end of the function, not intermixed
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with the SLINE entries. n_opt_found detects acc for Solaris binaries;
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function_stab_type detects acc for SunOS4 binaries.
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For binary from SunOS4 /bin/cc, need to correct LBRAC's.
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For gcc, like acc, don't correct. */
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#define SUN_FIXED_LBRAC_BUG \
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(n_opt_found \
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|| function_stab_type == N_STSYM \
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|| function_stab_type == N_GSYM \
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|| processing_gcc_compilation)
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/* Do variables in the debug stabs occur after the N_LBRAC or before it?
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acc: after, gcc: before, SunOS4 /bin/cc: before. */
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#define VARIABLES_INSIDE_BLOCK(desc, gcc_p) \
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(!(gcc_p) \
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&& (n_opt_found \
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|| function_stab_type == N_STSYM \
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|| function_stab_type == N_GSYM))
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/* Sequence of bytes for breakpoint instruction (ta 1). */
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extern const unsigned char *sparc_breakpoint_from_pc (CORE_ADDR *pc, int *len);
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#define BREAKPOINT_FROM_PC(PC,LEN) sparc_breakpoint_from_pc ((PC), (LEN))
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/* Register numbers of various important registers.
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Note that some of these values are "real" register numbers,
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and correspond to the general registers of the machine,
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and some are "phony" register numbers which are too large
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to be actual register numbers as far as the user is concerned
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but do serve to get the desired values when passed to read_register. */
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#define G0_REGNUM 0 /* %g0 */
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#define G1_REGNUM 1 /* %g1 */
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#define O0_REGNUM 8 /* %o0 */
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#define RP_REGNUM 15 /* Contains return address value, *before* \
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any windows get switched. */
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#define O7_REGNUM 15 /* Last local reg not saved on stack frame */
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#define L0_REGNUM 16 /* First local reg that's saved on stack frame
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rather than in machine registers */
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#define I0_REGNUM 24 /* %i0 */
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#define I7_REGNUM 31 /* Last local reg saved on stack frame */
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#define PS_REGNUM 65 /* Contains processor status */
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#define PS_FLAG_CARRY 0x100000 /* Carry bit in PS */
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#define WIM_REGNUM 66 /* Window Invalid Mask (not really supported) */
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#define TBR_REGNUM 67 /* Trap Base Register (not really supported) */
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#define FPS_REGNUM 70 /* Floating point status register */
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#define CPS_REGNUM 71 /* Coprocessor status register */
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/* Writing to %g0 is a noop (not an error or exception or anything like
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that, however). */
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#define CANNOT_STORE_REGISTER(regno) ((regno) == G0_REGNUM)
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#define PRINT_EXTRA_FRAME_INFO(FI) \
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sparc_print_extra_frame_info (FI)
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extern void sparc_print_extra_frame_info (struct frame_info *);
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/* DEPRECATED_INIT_EXTRA_FRAME_INFO needs the PC to detect flat
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frames. */
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/* NOTE: cagney/2002-12-08: Add local declaration of
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init_frame_pc_noop() because it isn't possible to include
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"arch-utils.h" here. */
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extern CORE_ADDR init_frame_pc_noop (int fromleaf, struct frame_info *prev);
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#define DEPRECATED_INIT_FRAME_PC(FROMLEAF, PREV) (init_frame_pc_noop (FROMLEAF, PREV))
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#define DEPRECATED_INIT_FRAME_PC_FIRST(FROMLEAF, PREV) \
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((FROMLEAF) ? DEPRECATED_SAVED_PC_AFTER_CALL ((PREV)->next) : \
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(PREV)->next ? DEPRECATED_FRAME_SAVED_PC ((PREV)->next) : read_pc ())
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/* Define other aspects of the stack frame. */
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/* The location of I0 w.r.t SP. This is actually dependent on how the
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system's window overflow/underflow routines are written. Most
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vendors save the L regs followed by the I regs (at the higher
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address). Some vendors get it wrong. */
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#define FRAME_SAVED_L0 0
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#define FRAME_SAVED_I0 (8 * REGISTER_RAW_SIZE (L0_REGNUM))
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#define FRAME_STRUCT_ARGS_ADDRESS(FI) (get_frame_base (FI))
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/* Things needed for making the inferior call functions. */
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/*
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* First of all, let me give my opinion of what the DUMMY_FRAME
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* actually looks like.
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*
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* | |
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* | |
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* + - - - - - - - - - - - - - - - - +<-- fp (level 0)
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* | |
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* | |
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* | |
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* | |
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* | Frame of innermost program |
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* | function |
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* | |
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* | |
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* | |
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* | |
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* | |
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* |---------------------------------|<-- sp (level 0), fp (c)
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* | |
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* DUMMY | fp0-31 |
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* | |
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* | ------ |<-- fp - 0x80
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* FRAME | g0-7 |<-- fp - 0xa0
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* | i0-7 |<-- fp - 0xc0
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* | other |<-- fp - 0xe0
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* | ? |
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* | ? |
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* |---------------------------------|<-- sp' = fp - 0x140
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* | |
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* xcution start | |
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* sp' + 0x94 -->| CALL_DUMMY (x code) |
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* | |
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* | |
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* |---------------------------------|<-- sp'' = fp - 0x200
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* | align sp to 8 byte boundary |
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* | ==> args to fn <== |
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* Room for | |
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* i & l's + agg | CALL_DUMMY_STACK_ADJUST = 0x0x44|
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* |---------------------------------|<-- final sp (variable)
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* | |
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* | Where function called will |
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* | build frame. |
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* | |
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* | |
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*
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* I understand everything in this picture except what the space
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* between fp - 0xe0 and fp - 0x140 is used for. Oh, and I don't
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* understand why there's a large chunk of CALL_DUMMY that never gets
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* executed (its function is superceeded by
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* DEPRECATED_PUSH_DUMMY_FRAME; they are designed to do the same
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* thing).
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*
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* DEPRECATED_PUSH_DUMMY_FRAME saves the registers above sp' and
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* pushes the * register file stack down one.
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*
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* call_function then writes CALL_DUMMY, pushes the args onto the
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* stack, and adjusts the stack pointer.
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call_function_by_hand then starts execution (in the middle of
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CALL_DUMMY, as directed by call_function). */
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#ifndef CALL_DUMMY
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/* This sequence of words is the instructions
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00: bc 10 00 01 mov %g1, %fp
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04: 9d e3 80 00 save %sp, %g0, %sp
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08: bc 10 00 02 mov %g2, %fp
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0c: be 10 00 03 mov %g3, %i7
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10: da 03 a0 58 ld [ %sp + 0x58 ], %o5
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14: d8 03 a0 54 ld [ %sp + 0x54 ], %o4
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18: d6 03 a0 50 ld [ %sp + 0x50 ], %o3
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1c: d4 03 a0 4c ld [ %sp + 0x4c ], %o2
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20: d2 03 a0 48 ld [ %sp + 0x48 ], %o1
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24: 40 00 00 00 call <fun>
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28: d0 03 a0 44 ld [ %sp + 0x44 ], %o0
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2c: 01 00 00 00 nop
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30: 91 d0 20 01 ta 1
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34: 01 00 00 00 nop
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NOTES:
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* the first four instructions are necessary only on the simulator.
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* this is a multiple of 8 (not only 4) bytes.
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* the `call' insn is a relative, not an absolute call.
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* the `nop' at the end is needed to keep the trap from
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clobbering things (if NPC pointed to garbage instead).
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*/
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#endif /* CALL_DUMMY */
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/* Sparc has no reliable single step ptrace call */
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#define SOFTWARE_SINGLE_STEP_P() 1
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extern void sparc_software_single_step (enum target_signal, int);
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#define SOFTWARE_SINGLE_STEP(sig,bp_p) sparc_software_single_step (sig,bp_p)
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/* We need more arguments in a frame specification for the
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"frame" or "info frame" command. */
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#define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv)
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extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *);
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extern void sparc_do_registers_info (int regnum, int all);
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#undef DEPRECATED_DO_REGISTERS_INFO
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#define DEPRECATED_DO_REGISTERS_INFO(REGNUM,ALL) sparc_do_registers_info (REGNUM, ALL)
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/* Optimization for storing registers to the inferior. The hook
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DO_DEFERRED_STORES
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actually executes any deferred stores. It is called any time
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we are going to proceed the child, or read its registers.
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The hook CLEAR_DEFERRED_STORES is called when we want to throw
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away the inferior process, e.g. when it dies or we kill it.
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FIXME, this does not handle remote debugging cleanly. */
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extern int deferred_stores;
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#define DO_DEFERRED_STORES \
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if (deferred_stores) \
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target_store_registers (-2);
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#define CLEAR_DEFERRED_STORES \
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deferred_stores = 0;
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/* Select the sparc disassembler */
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#define TM_PRINT_INSN_MACH bfd_mach_sparc
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#define DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED 1
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