1 //===-- RegisterContextLinuxCore_x86_64.cpp -------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "RegisterContextLinuxCore_x86_64.h" 10 #include "lldb/Target/Thread.h" 11 #include "lldb/Utility/DataExtractor.h" 12 #include "lldb/Utility/RegisterValue.h" 13 14 using namespace lldb_private; 15 16 const uint32_t g_gpr_regnums_i386[] = { 17 lldb_eax_i386, lldb_ebx_i386, lldb_ecx_i386, lldb_edx_i386, 18 lldb_edi_i386, lldb_esi_i386, lldb_ebp_i386, lldb_esp_i386, 19 lldb_eip_i386, lldb_eflags_i386, lldb_cs_i386, lldb_fs_i386, 20 lldb_gs_i386, lldb_ss_i386, lldb_ds_i386, lldb_es_i386, 21 lldb_ax_i386, lldb_bx_i386, lldb_cx_i386, lldb_dx_i386, 22 lldb_di_i386, lldb_si_i386, lldb_bp_i386, lldb_sp_i386, 23 lldb_ah_i386, lldb_bh_i386, lldb_ch_i386, lldb_dh_i386, 24 lldb_al_i386, lldb_bl_i386, lldb_cl_i386, lldb_dl_i386, 25 LLDB_INVALID_REGNUM, // Register sets must be terminated with 26 // LLDB_INVALID_REGNUM. 27 }; 28 static_assert((sizeof(g_gpr_regnums_i386) / sizeof(g_gpr_regnums_i386[0])) - 29 1 == 30 k_num_gpr_registers_i386, 31 "g_gpr_regnums_i386 has wrong number of register infos"); 32 33 const uint32_t g_lldb_regnums_i386[] = { 34 lldb_fctrl_i386, lldb_fstat_i386, lldb_ftag_i386, lldb_fop_i386, 35 lldb_fiseg_i386, lldb_fioff_i386, lldb_foseg_i386, lldb_fooff_i386, 36 lldb_mxcsr_i386, lldb_mxcsrmask_i386, lldb_st0_i386, lldb_st1_i386, 37 lldb_st2_i386, lldb_st3_i386, lldb_st4_i386, lldb_st5_i386, 38 lldb_st6_i386, lldb_st7_i386, lldb_mm0_i386, lldb_mm1_i386, 39 lldb_mm2_i386, lldb_mm3_i386, lldb_mm4_i386, lldb_mm5_i386, 40 lldb_mm6_i386, lldb_mm7_i386, lldb_xmm0_i386, lldb_xmm1_i386, 41 lldb_xmm2_i386, lldb_xmm3_i386, lldb_xmm4_i386, lldb_xmm5_i386, 42 lldb_xmm6_i386, lldb_xmm7_i386, 43 LLDB_INVALID_REGNUM // Register sets must be terminated with 44 // LLDB_INVALID_REGNUM. 45 }; 46 static_assert((sizeof(g_lldb_regnums_i386) / sizeof(g_lldb_regnums_i386[0])) - 47 1 == 48 k_num_fpr_registers_i386, 49 "g_lldb_regnums_i386 has wrong number of register infos"); 50 51 const uint32_t g_avx_regnums_i386[] = { 52 lldb_ymm0_i386, lldb_ymm1_i386, lldb_ymm2_i386, lldb_ymm3_i386, 53 lldb_ymm4_i386, lldb_ymm5_i386, lldb_ymm6_i386, lldb_ymm7_i386, 54 LLDB_INVALID_REGNUM // Register sets must be terminated with 55 // LLDB_INVALID_REGNUM. 56 }; 57 static_assert((sizeof(g_avx_regnums_i386) / sizeof(g_avx_regnums_i386[0])) - 58 1 == 59 k_num_avx_registers_i386, 60 " g_avx_regnums_i386 has wrong number of register infos"); 61 62 static const uint32_t g_gpr_regnums_x86_64[] = { 63 x86_64_with_base::lldb_rax, 64 x86_64_with_base::lldb_rbx, 65 x86_64_with_base::lldb_rcx, 66 x86_64_with_base::lldb_rdx, 67 x86_64_with_base::lldb_rdi, 68 x86_64_with_base::lldb_rsi, 69 x86_64_with_base::lldb_rbp, 70 x86_64_with_base::lldb_rsp, 71 x86_64_with_base::lldb_r8, 72 x86_64_with_base::lldb_r9, 73 x86_64_with_base::lldb_r10, 74 x86_64_with_base::lldb_r11, 75 x86_64_with_base::lldb_r12, 76 x86_64_with_base::lldb_r13, 77 x86_64_with_base::lldb_r14, 78 x86_64_with_base::lldb_r15, 79 x86_64_with_base::lldb_rip, 80 x86_64_with_base::lldb_rflags, 81 x86_64_with_base::lldb_cs, 82 x86_64_with_base::lldb_fs, 83 x86_64_with_base::lldb_gs, 84 x86_64_with_base::lldb_ss, 85 x86_64_with_base::lldb_fs_base, 86 x86_64_with_base::lldb_gs_base, 87 x86_64_with_base::lldb_ds, 88 x86_64_with_base::lldb_es, 89 x86_64_with_base::lldb_eax, 90 x86_64_with_base::lldb_ebx, 91 x86_64_with_base::lldb_ecx, 92 x86_64_with_base::lldb_edx, 93 x86_64_with_base::lldb_edi, 94 x86_64_with_base::lldb_esi, 95 x86_64_with_base::lldb_ebp, 96 x86_64_with_base::lldb_esp, 97 x86_64_with_base::lldb_r8d, // Low 32 bits or r8 98 x86_64_with_base::lldb_r9d, // Low 32 bits or r9 99 x86_64_with_base::lldb_r10d, // Low 32 bits or r10 100 x86_64_with_base::lldb_r11d, // Low 32 bits or r11 101 x86_64_with_base::lldb_r12d, // Low 32 bits or r12 102 x86_64_with_base::lldb_r13d, // Low 32 bits or r13 103 x86_64_with_base::lldb_r14d, // Low 32 bits or r14 104 x86_64_with_base::lldb_r15d, // Low 32 bits or r15 105 x86_64_with_base::lldb_ax, 106 x86_64_with_base::lldb_bx, 107 x86_64_with_base::lldb_cx, 108 x86_64_with_base::lldb_dx, 109 x86_64_with_base::lldb_di, 110 x86_64_with_base::lldb_si, 111 x86_64_with_base::lldb_bp, 112 x86_64_with_base::lldb_sp, 113 x86_64_with_base::lldb_r8w, // Low 16 bits or r8 114 x86_64_with_base::lldb_r9w, // Low 16 bits or r9 115 x86_64_with_base::lldb_r10w, // Low 16 bits or r10 116 x86_64_with_base::lldb_r11w, // Low 16 bits or r11 117 x86_64_with_base::lldb_r12w, // Low 16 bits or r12 118 x86_64_with_base::lldb_r13w, // Low 16 bits or r13 119 x86_64_with_base::lldb_r14w, // Low 16 bits or r14 120 x86_64_with_base::lldb_r15w, // Low 16 bits or r15 121 x86_64_with_base::lldb_ah, 122 x86_64_with_base::lldb_bh, 123 x86_64_with_base::lldb_ch, 124 x86_64_with_base::lldb_dh, 125 x86_64_with_base::lldb_al, 126 x86_64_with_base::lldb_bl, 127 x86_64_with_base::lldb_cl, 128 x86_64_with_base::lldb_dl, 129 x86_64_with_base::lldb_dil, 130 x86_64_with_base::lldb_sil, 131 x86_64_with_base::lldb_bpl, 132 x86_64_with_base::lldb_spl, 133 x86_64_with_base::lldb_r8l, // Low 8 bits or r8 134 x86_64_with_base::lldb_r9l, // Low 8 bits or r9 135 x86_64_with_base::lldb_r10l, // Low 8 bits or r10 136 x86_64_with_base::lldb_r11l, // Low 8 bits or r11 137 x86_64_with_base::lldb_r12l, // Low 8 bits or r12 138 x86_64_with_base::lldb_r13l, // Low 8 bits or r13 139 x86_64_with_base::lldb_r14l, // Low 8 bits or r14 140 x86_64_with_base::lldb_r15l, // Low 8 bits or r15 141 LLDB_INVALID_REGNUM // Register sets must be terminated with 142 // LLDB_INVALID_REGNUM. 143 }; 144 static_assert((sizeof(g_gpr_regnums_x86_64) / sizeof(g_gpr_regnums_x86_64[0])) - 145 1 == 146 x86_64_with_base::k_num_gpr_registers, 147 "g_gpr_regnums_x86_64 has wrong number of register infos"); 148 149 static const uint32_t g_lldb_regnums_x86_64[] = { 150 x86_64_with_base::lldb_fctrl, x86_64_with_base::lldb_fstat, 151 x86_64_with_base::lldb_ftag, x86_64_with_base::lldb_fop, 152 x86_64_with_base::lldb_fiseg, x86_64_with_base::lldb_fioff, 153 x86_64_with_base::lldb_fip, x86_64_with_base::lldb_foseg, 154 x86_64_with_base::lldb_fooff, x86_64_with_base::lldb_fdp, 155 x86_64_with_base::lldb_mxcsr, x86_64_with_base::lldb_mxcsrmask, 156 x86_64_with_base::lldb_st0, x86_64_with_base::lldb_st1, 157 x86_64_with_base::lldb_st2, x86_64_with_base::lldb_st3, 158 x86_64_with_base::lldb_st4, x86_64_with_base::lldb_st5, 159 x86_64_with_base::lldb_st6, x86_64_with_base::lldb_st7, 160 x86_64_with_base::lldb_mm0, x86_64_with_base::lldb_mm1, 161 x86_64_with_base::lldb_mm2, x86_64_with_base::lldb_mm3, 162 x86_64_with_base::lldb_mm4, x86_64_with_base::lldb_mm5, 163 x86_64_with_base::lldb_mm6, x86_64_with_base::lldb_mm7, 164 x86_64_with_base::lldb_xmm0, x86_64_with_base::lldb_xmm1, 165 x86_64_with_base::lldb_xmm2, x86_64_with_base::lldb_xmm3, 166 x86_64_with_base::lldb_xmm4, x86_64_with_base::lldb_xmm5, 167 x86_64_with_base::lldb_xmm6, x86_64_with_base::lldb_xmm7, 168 x86_64_with_base::lldb_xmm8, x86_64_with_base::lldb_xmm9, 169 x86_64_with_base::lldb_xmm10, x86_64_with_base::lldb_xmm11, 170 x86_64_with_base::lldb_xmm12, x86_64_with_base::lldb_xmm13, 171 x86_64_with_base::lldb_xmm14, x86_64_with_base::lldb_xmm15, 172 LLDB_INVALID_REGNUM // Register sets must be terminated with 173 // LLDB_INVALID_REGNUM. 174 }; 175 static_assert( 176 (sizeof(g_lldb_regnums_x86_64) / sizeof(g_lldb_regnums_x86_64[0])) - 1 == 177 x86_64_with_base::k_num_fpr_registers, 178 "g_lldb_regnums_x86_64 has wrong number of register infos"); 179 180 static const uint32_t g_avx_regnums_x86_64[] = { 181 x86_64_with_base::lldb_ymm0, x86_64_with_base::lldb_ymm1, 182 x86_64_with_base::lldb_ymm2, x86_64_with_base::lldb_ymm3, 183 x86_64_with_base::lldb_ymm4, x86_64_with_base::lldb_ymm5, 184 x86_64_with_base::lldb_ymm6, x86_64_with_base::lldb_ymm7, 185 x86_64_with_base::lldb_ymm8, x86_64_with_base::lldb_ymm9, 186 x86_64_with_base::lldb_ymm10, x86_64_with_base::lldb_ymm11, 187 x86_64_with_base::lldb_ymm12, x86_64_with_base::lldb_ymm13, 188 x86_64_with_base::lldb_ymm14, x86_64_with_base::lldb_ymm15, 189 LLDB_INVALID_REGNUM // Register sets must be terminated with 190 // LLDB_INVALID_REGNUM. 191 }; 192 static_assert((sizeof(g_avx_regnums_x86_64) / sizeof(g_avx_regnums_x86_64[0])) - 193 1 == 194 x86_64_with_base::k_num_avx_registers, 195 "g_avx_regnums_x86_64 has wrong number of register infos"); 196 197 static const RegisterSet g_reg_sets_i386[] = { 198 {"General Purpose Registers", "gpr", k_num_gpr_registers_i386, 199 g_gpr_regnums_i386}, 200 {"Floating Point Registers", "fpu", k_num_fpr_registers_i386, 201 g_lldb_regnums_i386}, 202 {"Advanced Vector Extensions", "avx", k_num_avx_registers_i386, 203 g_avx_regnums_i386}}; 204 205 static const RegisterSet g_reg_sets_x86_64[] = { 206 {"General Purpose Registers", "gpr", x86_64_with_base::k_num_gpr_registers, 207 g_gpr_regnums_x86_64}, 208 {"Floating Point Registers", "fpu", x86_64_with_base::k_num_fpr_registers, 209 g_lldb_regnums_x86_64}, 210 {"Advanced Vector Extensions", "avx", x86_64_with_base::k_num_avx_registers, 211 g_avx_regnums_x86_64}}; 212 213 RegisterContextLinuxCore_x86_64::RegisterContextLinuxCore_x86_64( 214 Thread &thread, RegisterInfoInterface *register_info, 215 const DataExtractor &gpregset, llvm::ArrayRef<CoreNote> notes) 216 : RegisterContextCorePOSIX_x86_64(thread, register_info, gpregset, notes) {} 217 218 const RegisterSet *RegisterContextLinuxCore_x86_64::GetRegisterSet(size_t set) { 219 if (IsRegisterSetAvailable(set)) { 220 switch (m_register_info_up->GetTargetArchitecture().GetMachine()) { 221 case llvm::Triple::x86: 222 return &g_reg_sets_i386[set]; 223 case llvm::Triple::x86_64: 224 return &g_reg_sets_x86_64[set]; 225 default: 226 assert(false && "Unhandled target architecture."); 227 return nullptr; 228 } 229 } 230 return nullptr; 231 } 232 233 RegInfo &RegisterContextLinuxCore_x86_64::GetRegInfo() { 234 return GetRegInfoShared( 235 m_register_info_up->GetTargetArchitecture().GetMachine(), 236 /*with_base=*/true); 237 } 238