1/* Copyright (C) 2020 Free Software Foundation, Inc. 2 3 This file is part of GDB. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18#include <sys/types.h> 19#include <sys/ptrace.h> 20#include <limits.h> 21 22#include "server.h" 23#include "netbsd-low.h" 24#include "gdbsupport/x86-xstate.h" 25#include "arch/amd64.h" 26#include "x86-tdesc.h" 27#include "tdesc.h" 28 29/* The index of various registers inside the regcache. */ 30 31enum netbsd_x86_64_gdb_regnum 32{ 33 AMD64_RAX_REGNUM, /* %rax */ 34 AMD64_RBX_REGNUM, /* %rbx */ 35 AMD64_RCX_REGNUM, /* %rcx */ 36 AMD64_RDX_REGNUM, /* %rdx */ 37 AMD64_RSI_REGNUM, /* %rsi */ 38 AMD64_RDI_REGNUM, /* %rdi */ 39 AMD64_RBP_REGNUM, /* %rbp */ 40 AMD64_RSP_REGNUM, /* %rsp */ 41 AMD64_R8_REGNUM, /* %r8 */ 42 AMD64_R9_REGNUM, /* %r9 */ 43 AMD64_R10_REGNUM, /* %r10 */ 44 AMD64_R11_REGNUM, /* %r11 */ 45 AMD64_R12_REGNUM, /* %r12 */ 46 AMD64_R13_REGNUM, /* %r13 */ 47 AMD64_R14_REGNUM, /* %r14 */ 48 AMD64_R15_REGNUM, /* %r15 */ 49 AMD64_RIP_REGNUM, /* %rip */ 50 AMD64_EFLAGS_REGNUM, /* %eflags */ 51 AMD64_CS_REGNUM, /* %cs */ 52 AMD64_SS_REGNUM, /* %ss */ 53 AMD64_DS_REGNUM, /* %ds */ 54 AMD64_ES_REGNUM, /* %es */ 55 AMD64_FS_REGNUM, /* %fs */ 56 AMD64_GS_REGNUM, /* %gs */ 57 AMD64_ST0_REGNUM = 24, /* %st0 */ 58 AMD64_ST1_REGNUM, /* %st1 */ 59 AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8, 60 AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9, 61 AMD64_FTAG_REGNUM = AMD64_ST0_REGNUM + 10, 62 AMD64_XMM0_REGNUM = 40, /* %xmm0 */ 63 AMD64_XMM1_REGNUM, /* %xmm1 */ 64 AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16, 65 AMD64_YMM0H_REGNUM, /* %ymm0h */ 66 AMD64_YMM15H_REGNUM = AMD64_YMM0H_REGNUM + 15, 67 AMD64_BND0R_REGNUM = AMD64_YMM15H_REGNUM + 1, 68 AMD64_BND3R_REGNUM = AMD64_BND0R_REGNUM + 3, 69 AMD64_BNDCFGU_REGNUM, 70 AMD64_BNDSTATUS_REGNUM, 71 AMD64_XMM16_REGNUM, 72 AMD64_XMM31_REGNUM = AMD64_XMM16_REGNUM + 15, 73 AMD64_YMM16H_REGNUM, 74 AMD64_YMM31H_REGNUM = AMD64_YMM16H_REGNUM + 15, 75 AMD64_K0_REGNUM, 76 AMD64_K7_REGNUM = AMD64_K0_REGNUM + 7, 77 AMD64_ZMM0H_REGNUM, 78 AMD64_ZMM31H_REGNUM = AMD64_ZMM0H_REGNUM + 31, 79 AMD64_PKRU_REGNUM, 80 AMD64_FSBASE_REGNUM, 81 AMD64_GSBASE_REGNUM 82}; 83 84/* The fill_function for the general-purpose register set. */ 85 86static void 87netbsd_x86_64_fill_gregset (struct regcache *regcache, char *buf) 88{ 89 struct reg *r = (struct reg *) buf; 90 91#define netbsd_x86_64_collect_gp(regnum, fld) do { \ 92 collect_register (regcache, regnum, &r->regs[_REG_##fld]); \ 93 } while (0) 94 95 netbsd_x86_64_collect_gp (AMD64_RAX_REGNUM, RAX); 96 netbsd_x86_64_collect_gp (AMD64_RBX_REGNUM, RBX); 97 netbsd_x86_64_collect_gp (AMD64_RCX_REGNUM, RCX); 98 netbsd_x86_64_collect_gp (AMD64_RDX_REGNUM, RDX); 99 netbsd_x86_64_collect_gp (AMD64_RSI_REGNUM, RSI); 100 netbsd_x86_64_collect_gp (AMD64_RDI_REGNUM, RDI); 101 netbsd_x86_64_collect_gp (AMD64_RBP_REGNUM, RBP); 102 netbsd_x86_64_collect_gp (AMD64_RSP_REGNUM, RSP); 103 netbsd_x86_64_collect_gp (AMD64_R8_REGNUM, R8); 104 netbsd_x86_64_collect_gp (AMD64_R9_REGNUM, R9); 105 netbsd_x86_64_collect_gp (AMD64_R10_REGNUM, R10); 106 netbsd_x86_64_collect_gp (AMD64_R11_REGNUM, R11); 107 netbsd_x86_64_collect_gp (AMD64_R12_REGNUM, R12); 108 netbsd_x86_64_collect_gp (AMD64_R13_REGNUM, R13); 109 netbsd_x86_64_collect_gp (AMD64_R14_REGNUM, R14); 110 netbsd_x86_64_collect_gp (AMD64_R15_REGNUM, R15); 111 netbsd_x86_64_collect_gp (AMD64_RIP_REGNUM, RIP); 112 netbsd_x86_64_collect_gp (AMD64_EFLAGS_REGNUM, RFLAGS); 113 netbsd_x86_64_collect_gp (AMD64_CS_REGNUM, CS); 114 netbsd_x86_64_collect_gp (AMD64_SS_REGNUM, SS); 115 netbsd_x86_64_collect_gp (AMD64_DS_REGNUM, DS); 116 netbsd_x86_64_collect_gp (AMD64_ES_REGNUM, ES); 117 netbsd_x86_64_collect_gp (AMD64_FS_REGNUM, FS); 118 netbsd_x86_64_collect_gp (AMD64_GS_REGNUM, GS); 119} 120 121/* The store_function for the general-purpose register set. */ 122 123static void 124netbsd_x86_64_store_gregset (struct regcache *regcache, const char *buf) 125{ 126 struct reg *r = (struct reg *) buf; 127 128#define netbsd_x86_64_supply_gp(regnum, fld) do { \ 129 supply_register (regcache, regnum, &r->regs[_REG_##fld]); \ 130 } while(0) 131 132 netbsd_x86_64_supply_gp (AMD64_RAX_REGNUM, RAX); 133 netbsd_x86_64_supply_gp (AMD64_RBX_REGNUM, RBX); 134 netbsd_x86_64_supply_gp (AMD64_RCX_REGNUM, RCX); 135 netbsd_x86_64_supply_gp (AMD64_RDX_REGNUM, RDX); 136 netbsd_x86_64_supply_gp (AMD64_RSI_REGNUM, RSI); 137 netbsd_x86_64_supply_gp (AMD64_RDI_REGNUM, RDI); 138 netbsd_x86_64_supply_gp (AMD64_RBP_REGNUM, RBP); 139 netbsd_x86_64_supply_gp (AMD64_RSP_REGNUM, RSP); 140 netbsd_x86_64_supply_gp (AMD64_R8_REGNUM, R8); 141 netbsd_x86_64_supply_gp (AMD64_R9_REGNUM, R9); 142 netbsd_x86_64_supply_gp (AMD64_R10_REGNUM, R10); 143 netbsd_x86_64_supply_gp (AMD64_R11_REGNUM, R11); 144 netbsd_x86_64_supply_gp (AMD64_R12_REGNUM, R12); 145 netbsd_x86_64_supply_gp (AMD64_R13_REGNUM, R13); 146 netbsd_x86_64_supply_gp (AMD64_R14_REGNUM, R14); 147 netbsd_x86_64_supply_gp (AMD64_R15_REGNUM, R15); 148 netbsd_x86_64_supply_gp (AMD64_RIP_REGNUM, RIP); 149 netbsd_x86_64_supply_gp (AMD64_EFLAGS_REGNUM, RFLAGS); 150 netbsd_x86_64_supply_gp (AMD64_CS_REGNUM, CS); 151 netbsd_x86_64_supply_gp (AMD64_SS_REGNUM, SS); 152 netbsd_x86_64_supply_gp (AMD64_DS_REGNUM, DS); 153 netbsd_x86_64_supply_gp (AMD64_ES_REGNUM, ES); 154 netbsd_x86_64_supply_gp (AMD64_FS_REGNUM, FS); 155 netbsd_x86_64_supply_gp (AMD64_GS_REGNUM, GS); 156} 157 158/* Implements the netbsd_target_ops.arch_setup routine. */ 159 160static void 161netbsd_x86_64_arch_setup (void) 162{ 163 struct target_desc *tdesc 164 = amd64_create_target_description (X86_XSTATE_SSE_MASK, false, false, false); 165 166 init_target_desc (tdesc, amd64_expedite_regs); 167 168 netbsd_tdesc = tdesc; 169} 170 171/* Description of all the x86-netbsd register sets. */ 172 173struct netbsd_regset_info netbsd_target_regsets[] = 174{ 175 /* General Purpose Registers. */ 176 {PT_GETREGS, PT_SETREGS, sizeof (struct reg), 177 netbsd_x86_64_fill_gregset, netbsd_x86_64_store_gregset}, 178 /* End of list marker. */ 179 {0, 0, -1, NULL, NULL } 180}; 181 182/* The netbsd_target_ops vector for x86-netbsd. */ 183 184struct netbsd_target_ops the_low_target = 185{ 186 netbsd_x86_64_arch_setup, 187}; 188