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/* Target-dependent definitions for AMD64.
Copyright (C) 2001-2024 Free Software Foundation, Inc.
Contributed by Jiri Smid, SuSE Labs.
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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef AMD64_TDEP_H
#define AMD64_TDEP_H
struct gdbarch;
class frame_info_ptr;
struct regcache;
#include "i386-tdep.h"
#include "infrun.h"
/* Register numbers of various important registers. */
enum amd64_regnum
{
AMD64_RAX_REGNUM, /* %rax */
AMD64_RBX_REGNUM, /* %rbx */
AMD64_RCX_REGNUM, /* %rcx */
AMD64_RDX_REGNUM, /* %rdx */
AMD64_RSI_REGNUM, /* %rsi */
AMD64_RDI_REGNUM, /* %rdi */
AMD64_RBP_REGNUM, /* %rbp */
AMD64_RSP_REGNUM, /* %rsp */
AMD64_R8_REGNUM, /* %r8 */
AMD64_R9_REGNUM, /* %r9 */
AMD64_R10_REGNUM, /* %r10 */
AMD64_R11_REGNUM, /* %r11 */
AMD64_R12_REGNUM, /* %r12 */
AMD64_R13_REGNUM, /* %r13 */
AMD64_R14_REGNUM, /* %r14 */
AMD64_R15_REGNUM, /* %r15 */
AMD64_RIP_REGNUM, /* %rip */
AMD64_EFLAGS_REGNUM, /* %eflags */
AMD64_CS_REGNUM, /* %cs */
AMD64_SS_REGNUM, /* %ss */
AMD64_DS_REGNUM, /* %ds */
AMD64_ES_REGNUM, /* %es */
AMD64_FS_REGNUM, /* %fs */
AMD64_GS_REGNUM, /* %gs */
AMD64_ST0_REGNUM = 24, /* %st0 */
AMD64_ST1_REGNUM, /* %st1 */
AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8,
AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9,
AMD64_FTAG_REGNUM = AMD64_ST0_REGNUM + 10,
AMD64_XMM0_REGNUM = 40, /* %xmm0 */
AMD64_XMM1_REGNUM, /* %xmm1 */
AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16,
AMD64_YMM0H_REGNUM, /* %ymm0h */
AMD64_YMM15H_REGNUM = AMD64_YMM0H_REGNUM + 15,
/* MPX is deprecated. Yet we keep this to not give the registers below
a new number. That could break older gdbservers. */
AMD64_BND0R_REGNUM = AMD64_YMM15H_REGNUM + 1,
AMD64_BND3R_REGNUM = AMD64_BND0R_REGNUM + 3,
AMD64_BNDCFGU_REGNUM,
AMD64_BNDSTATUS_REGNUM,
AMD64_XMM16_REGNUM,
AMD64_XMM31_REGNUM = AMD64_XMM16_REGNUM + 15,
AMD64_YMM16H_REGNUM,
AMD64_YMM31H_REGNUM = AMD64_YMM16H_REGNUM + 15,
AMD64_K0_REGNUM,
AMD64_K7_REGNUM = AMD64_K0_REGNUM + 7,
AMD64_ZMM0H_REGNUM,
AMD64_ZMM31H_REGNUM = AMD64_ZMM0H_REGNUM + 31,
AMD64_PKRU_REGNUM,
AMD64_FSBASE_REGNUM,
AMD64_GSBASE_REGNUM
};
/* Number of general purpose registers. */
#define AMD64_NUM_GREGS 24
#define AMD64_NUM_REGS (AMD64_GSBASE_REGNUM + 1)
extern displaced_step_copy_insn_closure_up amd64_displaced_step_copy_insn
(struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to,
struct regcache *regs);
extern void amd64_displaced_step_fixup
(struct gdbarch *gdbarch, displaced_step_copy_insn_closure *closure,
CORE_ADDR from, CORE_ADDR to, struct regcache *regs, bool completed_p);
/* Initialize the ABI for amd64. Uses DEFAULT_TDESC as fallback
tdesc, if INFO does not specify one. */
extern void amd64_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch,
const target_desc *default_tdesc);
/* Initialize the ABI for x32. Uses DEFAULT_TDESC as fallback tdesc,
if INFO does not specify one. */
extern void amd64_x32_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch,
const target_desc *default_tdesc);
extern const struct target_desc *amd64_target_description (uint64_t xcr0,
bool segments);
/* Fill register REGNUM in REGCACHE with the appropriate
floating-point or SSE register value from *FXSAVE. If REGNUM is
-1, do this for all registers. This function masks off any of the
reserved bits in *FXSAVE. */
extern void amd64_supply_fxsave (struct regcache *regcache, int regnum,
const void *fxsave);
/* Similar to amd64_supply_fxsave, but use XSAVE extended state. */
extern void amd64_supply_xsave (struct regcache *regcache, int regnum,
const void *xsave);
/* Fill register REGNUM (if it is a floating-point or SSE register) in
*FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for
all registers. This function doesn't touch any of the reserved
bits in *FXSAVE. */
extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum,
void *fxsave);
/* Similar to amd64_collect_fxsave, but use XSAVE extended state. */
extern void amd64_collect_xsave (const struct regcache *regcache,
int regnum, void *xsave, int gcore);
/* Floating-point register set. */
extern const struct regset amd64_fpregset;
/* Variables exported from amd64-linux-tdep.c. */
extern int amd64_linux_gregset_reg_offset[];
/* Variables exported from amd64-netbsd-tdep.c. */
extern int amd64nbsd_r_reg_offset[];
/* Variables exported from amd64-obsd-tdep.c. */
extern int amd64obsd_r_reg_offset[];
#endif /* amd64-tdep.h */
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