1 /* Target-dependent definitions for AMD64. 2 3 Copyright (C) 2001-2024 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 24 struct gdbarch; 25 class frame_info_ptr; 26 struct regcache; 27 28 #include "i386-tdep.h" 29 #include "infrun.h" 30 31 /* Register numbers of various important registers. */ 32 33 enum 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 91 extern displaced_step_copy_insn_closure_up amd64_displaced_step_copy_insn 92 (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, 93 struct regcache *regs); 94 extern void amd64_displaced_step_fixup 95 (struct gdbarch *gdbarch, displaced_step_copy_insn_closure *closure, 96 CORE_ADDR from, CORE_ADDR to, struct regcache *regs, bool completed_p); 97 98 /* Initialize the ABI for amd64. Uses DEFAULT_TDESC as fallback 99 tdesc, if INFO does not specify one. */ 100 extern void amd64_init_abi (struct gdbarch_info info, 101 struct gdbarch *gdbarch, 102 const target_desc *default_tdesc); 103 104 /* Initialize the ABI for x32. Uses DEFAULT_TDESC as fallback tdesc, 105 if INFO does not specify one. */ 106 extern void amd64_x32_init_abi (struct gdbarch_info info, 107 struct gdbarch *gdbarch, 108 const target_desc *default_tdesc); 109 extern const struct target_desc *amd64_target_description (uint64_t xcr0, 110 bool segments); 111 112 /* Fill register REGNUM in REGCACHE with the appropriate 113 floating-point or SSE register value from *FXSAVE. If REGNUM is 114 -1, do this for all registers. This function masks off any of the 115 reserved bits in *FXSAVE. */ 116 117 extern void amd64_supply_fxsave (struct regcache *regcache, int regnum, 118 const void *fxsave); 119 120 /* Similar to amd64_supply_fxsave, but use XSAVE extended state. */ 121 extern void amd64_supply_xsave (struct regcache *regcache, int regnum, 122 const void *xsave); 123 124 /* Fill register REGNUM (if it is a floating-point or SSE register) in 125 *FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for 126 all registers. This function doesn't touch any of the reserved 127 bits in *FXSAVE. */ 128 129 extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum, 130 void *fxsave); 131 /* Similar to amd64_collect_fxsave, but use XSAVE extended state. */ 132 extern void amd64_collect_xsave (const struct regcache *regcache, 133 int regnum, void *xsave, int gcore); 134 135 /* Floating-point register set. */ 136 extern const struct regset amd64_fpregset; 137 138 /* Variables exported from amd64-linux-tdep.c. */ 139 extern int amd64_linux_gregset_reg_offset[]; 140 141 /* Variables exported from amd64-netbsd-tdep.c. */ 142 extern int amd64nbsd_r_reg_offset[]; 143 144 /* Variables exported from amd64-obsd-tdep.c. */ 145 extern int amd64obsd_r_reg_offset[]; 146 147 #endif /* amd64-tdep.h */ 148