mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
6f7f3f0da4
* config/powerpc/tm-linux.h: Delete file. * config/powerpc/tm-ppc-eabi.h: Do not include "rs6000/tm-rs6000.h". (PROCESS_LINENUMBER_HOOK): Do not undefine. (TEXT_SEGMENT_BASE): Do not redefine. * config/rs6000/nm-rs6000.h (CHILD_SPECIAL_WAITSTATUS): Move here from config/rs6000/tm-rs6000.h. (TARGET_CREATE_INFERIOR_HOOK, rs6000_create_inferior): Likewise. * config/rs6000/tm-rs6000.h (struct frame_info): Remove declaration. (TEXT_SEGMENT_BASE): Remove. (IN_SOLIB_RETURN_TRAMPOLINE): Remove. (rs6000_in_solib_return_trampoline): Remove. (SKIP_TRAMPOLINE_CODE): Remove. (rs6000_skip_trampoline_code): Remove. (CHILD_SPECIAL_WAITSTATUS): Move to config/rs6000/nm-rs6000.h. (TARGET_CREATE_INFERIOR_HOOK, rs6000_create_inferior): Likewise. (FP0_REGNUM): Remove. (rs6000_find_toc_address_hook): Move to rs6000-tdep.h. (rs6000_set_host_arch_hook): Remove. * Makefile.in (rs6000-nat.o): Add dependency on $(rs6000_tdep_h). (rs6000-aix-tdep.o): Add dependency on $(ppc_tdep_h). * ppc-tdep.h (struct gdbarch_tdep): Add field text_segment_base. * rs6000-aix-tdep.c: Include "ppc-tdep.h". (rs6000_aix_init_osabi): Set text_segment_base tdep field. * rs6000-nat.c: Include "rs6000-tdep.h". (exec_one_dummy_insn): Replace TEXT_SEGMENT_BASE by tdep field. (set_host_arch): Rename to ... (rs6000_create_inferior): ... this. Make public. (_initialize_core_rs6000): Do not set rs6000_set_host_arch_hook. * rs6000-tdep.c (rs6000_set_host_arch_hook): Remove. (rs6000_create_inferior): Remove. (branch_dest): Replace TEXT_SEGMENT_BASE by tdep field. (rs6000_gdbarch_init): Call set_gdbarch_fp0_regnum, set_gdbarch_in_solib_return_trampoline, and set_gdbarch_skip_trampoline_code. * rs6000-tdep.h (rs6000_find_toc_address_hook): Move here from config/rs6000/tm-rs6000.h.
393 lines
13 KiB
C
393 lines
13 KiB
C
/* Target-dependent code for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007
|
|
Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
#ifndef PPC_TDEP_H
|
|
#define PPC_TDEP_H
|
|
|
|
struct gdbarch;
|
|
struct frame_info;
|
|
struct value;
|
|
struct regcache;
|
|
struct type;
|
|
|
|
/* From ppc-linux-tdep.c... */
|
|
enum return_value_convention ppc_sysv_abi_return_value (struct gdbarch *gdbarch,
|
|
struct type *valtype,
|
|
struct regcache *regcache,
|
|
gdb_byte *readbuf,
|
|
const gdb_byte *writebuf);
|
|
enum return_value_convention ppc_sysv_abi_broken_return_value (struct gdbarch *gdbarch,
|
|
struct type *valtype,
|
|
struct regcache *regcache,
|
|
gdb_byte *readbuf,
|
|
const gdb_byte *writebuf);
|
|
CORE_ADDR ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
|
|
struct value *function,
|
|
struct regcache *regcache,
|
|
CORE_ADDR bp_addr, int nargs,
|
|
struct value **args, CORE_ADDR sp,
|
|
int struct_return,
|
|
CORE_ADDR struct_addr);
|
|
CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch,
|
|
struct value *function,
|
|
struct regcache *regcache,
|
|
CORE_ADDR bp_addr, int nargs,
|
|
struct value **args, CORE_ADDR sp,
|
|
int struct_return,
|
|
CORE_ADDR struct_addr);
|
|
CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch,
|
|
CORE_ADDR bpaddr);
|
|
int ppc_linux_memory_remove_breakpoint (struct bp_target_info *bp_tgt);
|
|
struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void);
|
|
void ppc_linux_supply_gregset (struct regcache *regcache,
|
|
int regnum, const void *gregs, size_t size,
|
|
int wordsize);
|
|
void ppc_linux_supply_fpregset (const struct regset *regset,
|
|
struct regcache *regcache,
|
|
int regnum, const void *gregs, size_t size);
|
|
|
|
enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch,
|
|
struct type *valtype,
|
|
struct regcache *regcache,
|
|
gdb_byte *readbuf,
|
|
const gdb_byte *writebuf);
|
|
|
|
/* From rs6000-tdep.c... */
|
|
int altivec_register_p (int regno);
|
|
int spe_register_p (int regno);
|
|
|
|
/* Return non-zero if the architecture described by GDBARCH has
|
|
floating-point registers (f0 --- f31 and fpscr). */
|
|
int ppc_floating_point_unit_p (struct gdbarch *gdbarch);
|
|
|
|
/* Register set description. */
|
|
|
|
struct ppc_reg_offsets
|
|
{
|
|
/* General-purpose registers. */
|
|
int r0_offset;
|
|
int pc_offset;
|
|
int ps_offset;
|
|
int cr_offset;
|
|
int lr_offset;
|
|
int ctr_offset;
|
|
int xer_offset;
|
|
int mq_offset;
|
|
|
|
/* Floating-point registers. */
|
|
int f0_offset;
|
|
int fpscr_offset;
|
|
|
|
/* AltiVec registers. */
|
|
int vr0_offset;
|
|
int vscr_offset;
|
|
int vrsave_offset;
|
|
};
|
|
|
|
/* Supply register REGNUM in the general-purpose register set REGSET
|
|
from the buffer specified by GREGS and LEN to register cache
|
|
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
|
|
|
|
extern void ppc_supply_gregset (const struct regset *regset,
|
|
struct regcache *regcache,
|
|
int regnum, const void *gregs, size_t len);
|
|
|
|
/* Supply register REGNUM in the floating-point register set REGSET
|
|
from the buffer specified by FPREGS and LEN to register cache
|
|
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
|
|
|
|
extern void ppc_supply_fpregset (const struct regset *regset,
|
|
struct regcache *regcache,
|
|
int regnum, const void *fpregs, size_t len);
|
|
|
|
/* Collect register REGNUM in the general-purpose register set
|
|
REGSET. from register cache REGCACHE into the buffer specified by
|
|
GREGS and LEN. If REGNUM is -1, do this for all registers in
|
|
REGSET. */
|
|
|
|
extern void ppc_collect_gregset (const struct regset *regset,
|
|
const struct regcache *regcache,
|
|
int regnum, void *gregs, size_t len);
|
|
|
|
/* Collect register REGNUM in the floating-point register set
|
|
REGSET. from register cache REGCACHE into the buffer specified by
|
|
FPREGS and LEN. If REGNUM is -1, do this for all registers in
|
|
REGSET. */
|
|
|
|
extern void ppc_collect_fpregset (const struct regset *regset,
|
|
const struct regcache *regcache,
|
|
int regnum, void *fpregs, size_t len);
|
|
|
|
/* Private data that this module attaches to struct gdbarch. */
|
|
|
|
struct gdbarch_tdep
|
|
{
|
|
int wordsize; /* size in bytes of fixed-point word */
|
|
const struct reg *regs; /* from current variant */
|
|
int ppc_gp0_regnum; /* GPR register 0 */
|
|
int ppc_toc_regnum; /* TOC register */
|
|
int ppc_ps_regnum; /* Processor (or machine) status (%msr) */
|
|
int ppc_cr_regnum; /* Condition register */
|
|
int ppc_lr_regnum; /* Link register */
|
|
int ppc_ctr_regnum; /* Count register */
|
|
int ppc_xer_regnum; /* Integer exception register */
|
|
|
|
/* Not all PPC and RS6000 variants will have the registers
|
|
represented below. A -1 is used to indicate that the register
|
|
is not present in this variant. */
|
|
|
|
/* Floating-point registers. */
|
|
int ppc_fp0_regnum; /* floating-point register 0 */
|
|
int ppc_fpscr_regnum; /* fp status and condition register */
|
|
|
|
/* Segment registers. */
|
|
int ppc_sr0_regnum; /* segment register 0 */
|
|
|
|
/* Multiplier-Quotient Register (older POWER architectures only). */
|
|
int ppc_mq_regnum;
|
|
|
|
/* Altivec registers. */
|
|
int ppc_vr0_regnum; /* First AltiVec register */
|
|
int ppc_vrsave_regnum; /* Last AltiVec register */
|
|
|
|
/* SPE registers. */
|
|
int ppc_ev0_upper_regnum; /* First GPR upper half register */
|
|
int ppc_ev0_regnum; /* First ev register */
|
|
int ppc_ev31_regnum; /* Last ev register */
|
|
int ppc_acc_regnum; /* SPE 'acc' register */
|
|
int ppc_spefscr_regnum; /* SPE 'spefscr' register */
|
|
|
|
/* Offset to ABI specific location where link register is saved. */
|
|
int lr_frame_offset;
|
|
|
|
/* An array of integers, such that sim_regno[I] is the simulator
|
|
register number for GDB register number I, or -1 if the
|
|
simulator does not implement that register. */
|
|
int *sim_regno;
|
|
|
|
/* Minimum possible text address. */
|
|
CORE_ADDR text_segment_base;
|
|
};
|
|
|
|
|
|
/* Constants for register set sizes. */
|
|
enum
|
|
{
|
|
ppc_num_gprs = 32, /* 32 general-purpose registers */
|
|
ppc_num_fprs = 32, /* 32 floating-point registers */
|
|
ppc_num_srs = 16, /* 16 segment registers */
|
|
ppc_num_vrs = 32 /* 32 Altivec vector registers */
|
|
};
|
|
|
|
|
|
/* Constants for SPR register numbers. These are *not* GDB register
|
|
numbers: they are the numbers used in the PowerPC ISA itself to
|
|
refer to these registers.
|
|
|
|
This table includes all the SPRs from all the variants I could find
|
|
documentation for.
|
|
|
|
There may be registers from different PowerPC variants assigned the
|
|
same number, but that's fine: GDB and the SIM always use the
|
|
numbers in the context of a particular variant, so it's not
|
|
ambiguous.
|
|
|
|
We need to deviate from the naming pattern when variants have
|
|
special-purpose registers of the same name, but with different
|
|
numbers. Fortunately, this is rare: look below to see how we
|
|
handle the 'tcr' registers on the 403/403GX and 602. */
|
|
|
|
enum
|
|
{
|
|
ppc_spr_mq = 0,
|
|
ppc_spr_xer = 1,
|
|
ppc_spr_rtcu = 4,
|
|
ppc_spr_rtcl = 5,
|
|
ppc_spr_lr = 8,
|
|
ppc_spr_ctr = 9,
|
|
ppc_spr_cnt = 9,
|
|
ppc_spr_dsisr = 18,
|
|
ppc_spr_dar = 19,
|
|
ppc_spr_dec = 22,
|
|
ppc_spr_sdr1 = 25,
|
|
ppc_spr_srr0 = 26,
|
|
ppc_spr_srr1 = 27,
|
|
ppc_spr_eie = 80,
|
|
ppc_spr_eid = 81,
|
|
ppc_spr_nri = 82,
|
|
ppc_spr_sp = 102,
|
|
ppc_spr_cmpa = 144,
|
|
ppc_spr_cmpb = 145,
|
|
ppc_spr_cmpc = 146,
|
|
ppc_spr_cmpd = 147,
|
|
ppc_spr_icr = 148,
|
|
ppc_spr_der = 149,
|
|
ppc_spr_counta = 150,
|
|
ppc_spr_countb = 151,
|
|
ppc_spr_cmpe = 152,
|
|
ppc_spr_cmpf = 153,
|
|
ppc_spr_cmpg = 154,
|
|
ppc_spr_cmph = 155,
|
|
ppc_spr_lctrl1 = 156,
|
|
ppc_spr_lctrl2 = 157,
|
|
ppc_spr_ictrl = 158,
|
|
ppc_spr_bar = 159,
|
|
ppc_spr_vrsave = 256,
|
|
ppc_spr_sprg0 = 272,
|
|
ppc_spr_sprg1 = 273,
|
|
ppc_spr_sprg2 = 274,
|
|
ppc_spr_sprg3 = 275,
|
|
ppc_spr_asr = 280,
|
|
ppc_spr_ear = 282,
|
|
ppc_spr_tbl = 284,
|
|
ppc_spr_tbu = 285,
|
|
ppc_spr_pvr = 287,
|
|
ppc_spr_spefscr = 512,
|
|
ppc_spr_ibat0u = 528,
|
|
ppc_spr_ibat0l = 529,
|
|
ppc_spr_ibat1u = 530,
|
|
ppc_spr_ibat1l = 531,
|
|
ppc_spr_ibat2u = 532,
|
|
ppc_spr_ibat2l = 533,
|
|
ppc_spr_ibat3u = 534,
|
|
ppc_spr_ibat3l = 535,
|
|
ppc_spr_dbat0u = 536,
|
|
ppc_spr_dbat0l = 537,
|
|
ppc_spr_dbat1u = 538,
|
|
ppc_spr_dbat1l = 539,
|
|
ppc_spr_dbat2u = 540,
|
|
ppc_spr_dbat2l = 541,
|
|
ppc_spr_dbat3u = 542,
|
|
ppc_spr_dbat3l = 543,
|
|
ppc_spr_ic_cst = 560,
|
|
ppc_spr_ic_adr = 561,
|
|
ppc_spr_ic_dat = 562,
|
|
ppc_spr_dc_cst = 568,
|
|
ppc_spr_dc_adr = 569,
|
|
ppc_spr_dc_dat = 570,
|
|
ppc_spr_dpdr = 630,
|
|
ppc_spr_dpir = 631,
|
|
ppc_spr_immr = 638,
|
|
ppc_spr_mi_ctr = 784,
|
|
ppc_spr_mi_ap = 786,
|
|
ppc_spr_mi_epn = 787,
|
|
ppc_spr_mi_twc = 789,
|
|
ppc_spr_mi_rpn = 790,
|
|
ppc_spr_mi_cam = 816,
|
|
ppc_spr_mi_ram0 = 817,
|
|
ppc_spr_mi_ram1 = 818,
|
|
ppc_spr_md_ctr = 792,
|
|
ppc_spr_m_casid = 793,
|
|
ppc_spr_md_ap = 794,
|
|
ppc_spr_md_epn = 795,
|
|
ppc_spr_m_twb = 796,
|
|
ppc_spr_md_twc = 797,
|
|
ppc_spr_md_rpn = 798,
|
|
ppc_spr_m_tw = 799,
|
|
ppc_spr_mi_dbcam = 816,
|
|
ppc_spr_mi_dbram0 = 817,
|
|
ppc_spr_mi_dbram1 = 818,
|
|
ppc_spr_md_dbcam = 824,
|
|
ppc_spr_md_cam = 824,
|
|
ppc_spr_md_dbram0 = 825,
|
|
ppc_spr_md_ram0 = 825,
|
|
ppc_spr_md_dbram1 = 826,
|
|
ppc_spr_md_ram1 = 826,
|
|
ppc_spr_ummcr0 = 936,
|
|
ppc_spr_upmc1 = 937,
|
|
ppc_spr_upmc2 = 938,
|
|
ppc_spr_usia = 939,
|
|
ppc_spr_ummcr1 = 940,
|
|
ppc_spr_upmc3 = 941,
|
|
ppc_spr_upmc4 = 942,
|
|
ppc_spr_zpr = 944,
|
|
ppc_spr_pid = 945,
|
|
ppc_spr_mmcr0 = 952,
|
|
ppc_spr_pmc1 = 953,
|
|
ppc_spr_sgr = 953,
|
|
ppc_spr_pmc2 = 954,
|
|
ppc_spr_dcwr = 954,
|
|
ppc_spr_sia = 955,
|
|
ppc_spr_mmcr1 = 956,
|
|
ppc_spr_pmc3 = 957,
|
|
ppc_spr_pmc4 = 958,
|
|
ppc_spr_sda = 959,
|
|
ppc_spr_tbhu = 972,
|
|
ppc_spr_tblu = 973,
|
|
ppc_spr_dmiss = 976,
|
|
ppc_spr_dcmp = 977,
|
|
ppc_spr_hash1 = 978,
|
|
ppc_spr_hash2 = 979,
|
|
ppc_spr_icdbdr = 979,
|
|
ppc_spr_imiss = 980,
|
|
ppc_spr_esr = 980,
|
|
ppc_spr_icmp = 981,
|
|
ppc_spr_dear = 981,
|
|
ppc_spr_rpa = 982,
|
|
ppc_spr_evpr = 982,
|
|
ppc_spr_cdbcr = 983,
|
|
ppc_spr_tsr = 984,
|
|
ppc_spr_602_tcr = 984,
|
|
ppc_spr_403_tcr = 986,
|
|
ppc_spr_ibr = 986,
|
|
ppc_spr_pit = 987,
|
|
ppc_spr_esasrr = 988,
|
|
ppc_spr_tbhi = 988,
|
|
ppc_spr_tblo = 989,
|
|
ppc_spr_srr2 = 990,
|
|
ppc_spr_sebr = 990,
|
|
ppc_spr_srr3 = 991,
|
|
ppc_spr_ser = 991,
|
|
ppc_spr_hid0 = 1008,
|
|
ppc_spr_dbsr = 1008,
|
|
ppc_spr_hid1 = 1009,
|
|
ppc_spr_iabr = 1010,
|
|
ppc_spr_dbcr = 1010,
|
|
ppc_spr_iac1 = 1012,
|
|
ppc_spr_dabr = 1013,
|
|
ppc_spr_iac2 = 1013,
|
|
ppc_spr_dac1 = 1014,
|
|
ppc_spr_dac2 = 1015,
|
|
ppc_spr_l2cr = 1017,
|
|
ppc_spr_dccr = 1018,
|
|
ppc_spr_ictc = 1019,
|
|
ppc_spr_iccr = 1019,
|
|
ppc_spr_thrm1 = 1020,
|
|
ppc_spr_pbl1 = 1020,
|
|
ppc_spr_thrm2 = 1021,
|
|
ppc_spr_pbu1 = 1021,
|
|
ppc_spr_thrm3 = 1022,
|
|
ppc_spr_pbl2 = 1022,
|
|
ppc_spr_fpecr = 1022,
|
|
ppc_spr_lt = 1022,
|
|
ppc_spr_pir = 1023,
|
|
ppc_spr_pbu2 = 1023
|
|
};
|
|
|
|
/* Instruction size. */
|
|
#define PPC_INSN_SIZE 4
|
|
|
|
/* Estimate for the maximum number of instrctions in a function epilogue. */
|
|
#define PPC_MAX_EPILOGUE_INSTRUCTIONS 52
|
|
|
|
#endif /* ppc-tdep.h */
|