amd64-tdep.h revision 1.9
1/* Target-dependent definitions for AMD64. 2 3 Copyright (C) 2001-2020 Free Software Foundation, Inc. 4 Contributed by Jiri Smid, SuSE Labs. 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 20 21#ifndef AMD64_TDEP_H 22#define AMD64_TDEP_H 23 24struct gdbarch; 25struct frame_info; 26struct regcache; 27 28#include "i386-tdep.h" 29#include "infrun.h" 30 31/* Register numbers of various important registers. */ 32 33enum amd64_regnum 34{ 35 AMD64_RAX_REGNUM, /* %rax */ 36 AMD64_RBX_REGNUM, /* %rbx */ 37 AMD64_RCX_REGNUM, /* %rcx */ 38 AMD64_RDX_REGNUM, /* %rdx */ 39 AMD64_RSI_REGNUM, /* %rsi */ 40 AMD64_RDI_REGNUM, /* %rdi */ 41 AMD64_RBP_REGNUM, /* %rbp */ 42 AMD64_RSP_REGNUM, /* %rsp */ 43 AMD64_R8_REGNUM, /* %r8 */ 44 AMD64_R9_REGNUM, /* %r9 */ 45 AMD64_R10_REGNUM, /* %r10 */ 46 AMD64_R11_REGNUM, /* %r11 */ 47 AMD64_R12_REGNUM, /* %r12 */ 48 AMD64_R13_REGNUM, /* %r13 */ 49 AMD64_R14_REGNUM, /* %r14 */ 50 AMD64_R15_REGNUM, /* %r15 */ 51 AMD64_RIP_REGNUM, /* %rip */ 52 AMD64_EFLAGS_REGNUM, /* %eflags */ 53 AMD64_CS_REGNUM, /* %cs */ 54 AMD64_SS_REGNUM, /* %ss */ 55 AMD64_DS_REGNUM, /* %ds */ 56 AMD64_ES_REGNUM, /* %es */ 57 AMD64_FS_REGNUM, /* %fs */ 58 AMD64_GS_REGNUM, /* %gs */ 59 AMD64_ST0_REGNUM = 24, /* %st0 */ 60 AMD64_ST1_REGNUM, /* %st1 */ 61 AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8, 62 AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9, 63 AMD64_FTAG_REGNUM = AMD64_ST0_REGNUM + 10, 64 AMD64_XMM0_REGNUM = 40, /* %xmm0 */ 65 AMD64_XMM1_REGNUM, /* %xmm1 */ 66 AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16, 67 AMD64_YMM0H_REGNUM, /* %ymm0h */ 68 AMD64_YMM15H_REGNUM = AMD64_YMM0H_REGNUM + 15, 69 AMD64_BND0R_REGNUM = AMD64_YMM15H_REGNUM + 1, 70 AMD64_BND3R_REGNUM = AMD64_BND0R_REGNUM + 3, 71 AMD64_BNDCFGU_REGNUM, 72 AMD64_BNDSTATUS_REGNUM, 73 AMD64_XMM16_REGNUM, 74 AMD64_XMM31_REGNUM = AMD64_XMM16_REGNUM + 15, 75 AMD64_YMM16H_REGNUM, 76 AMD64_YMM31H_REGNUM = AMD64_YMM16H_REGNUM + 15, 77 AMD64_K0_REGNUM, 78 AMD64_K7_REGNUM = AMD64_K0_REGNUM + 7, 79 AMD64_ZMM0H_REGNUM, 80 AMD64_ZMM31H_REGNUM = AMD64_ZMM0H_REGNUM + 31, 81 AMD64_PKRU_REGNUM, 82 AMD64_FSBASE_REGNUM, 83 AMD64_GSBASE_REGNUM 84}; 85 86/* Number of general purpose registers. */ 87#define AMD64_NUM_GREGS 24 88 89#define AMD64_NUM_REGS (AMD64_GSBASE_REGNUM + 1) 90 91extern displaced_step_closure_up amd64_displaced_step_copy_insn 92 (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, 93 struct regcache *regs); 94extern void amd64_displaced_step_fixup (struct gdbarch *gdbarch, 95 struct displaced_step_closure *closure, 96 CORE_ADDR from, CORE_ADDR to, 97 struct regcache *regs); 98 99/* Initialize the ABI for amd64. Uses DEFAULT_TDESC as fallback 100 tdesc, if INFO does not specify one. */ 101extern void amd64_init_abi (struct gdbarch_info info, 102 struct gdbarch *gdbarch, 103 const target_desc *default_tdesc); 104 105/* Initialize the ABI for x32. Uses DEFAULT_TDESC as fallback tdesc, 106 if INFO does not specify one. */ 107extern void amd64_x32_init_abi (struct gdbarch_info info, 108 struct gdbarch *gdbarch, 109 const target_desc *default_tdesc); 110extern const struct target_desc *amd64_target_description (uint64_t xcr0, 111 bool segments); 112 113/* Fill register REGNUM in REGCACHE with the appropriate 114 floating-point or SSE register value from *FXSAVE. If REGNUM is 115 -1, do this for all registers. This function masks off any of the 116 reserved bits in *FXSAVE. */ 117 118extern void amd64_supply_fxsave (struct regcache *regcache, int regnum, 119 const void *fxsave); 120 121/* Similar to amd64_supply_fxsave, but use XSAVE extended state. */ 122extern void amd64_supply_xsave (struct regcache *regcache, int regnum, 123 const void *xsave); 124 125/* Fill register REGNUM (if it is a floating-point or SSE register) in 126 *FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for 127 all registers. This function doesn't touch any of the reserved 128 bits in *FXSAVE. */ 129 130extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum, 131 void *fxsave); 132/* Similar to amd64_collect_fxsave, but use XSAVE extended state. */ 133extern void amd64_collect_xsave (const struct regcache *regcache, 134 int regnum, void *xsave, int gcore); 135 136/* Floating-point register set. */ 137extern const struct regset amd64_fpregset; 138 139/* Variables exported from amd64-linux-tdep.c. */ 140extern int amd64_linux_gregset_reg_offset[]; 141 142/* Variables exported from amd64-nbsd-tdep.c. */ 143extern int amd64nbsd_r_reg_offset[]; 144 145/* Variables exported from amd64-obsd-tdep.c. */ 146extern int amd64obsd_r_reg_offset[]; 147 148/* Variables exported from amd64-fbsd-tdep.c. */ 149extern CORE_ADDR amd64fbsd_sigtramp_start_addr; 150extern CORE_ADDR amd64fbsd_sigtramp_end_addr; 151extern int amd64fbsd_sc_reg_offset[]; 152 153#endif /* amd64-tdep.h */ 154