1275072Semaste//===-- RegisterContextPOSIX_x86.cpp ----------------------------*- C++ -*-===// 2275072Semaste// 3353358Sdim// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4353358Sdim// See https://llvm.org/LICENSE.txt for license information. 5353358Sdim// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6275072Semaste// 7275072Semaste//===----------------------------------------------------------------------===// 8275072Semaste 9275072Semaste#include <cstring> 10275072Semaste#include <errno.h> 11275072Semaste#include <stdint.h> 12275072Semaste 13321369Sdim#include "lldb/Target/Process.h" 14275072Semaste#include "lldb/Target/Target.h" 15275072Semaste#include "lldb/Target/Thread.h" 16321369Sdim#include "lldb/Utility/DataBufferHeap.h" 17321369Sdim#include "lldb/Utility/DataExtractor.h" 18321369Sdim#include "lldb/Utility/Endian.h" 19344779Sdim#include "lldb/Utility/RegisterValue.h" 20344779Sdim#include "lldb/Utility/Scalar.h" 21275072Semaste#include "llvm/Support/Compiler.h" 22275072Semaste 23314564Sdim#include "RegisterContextPOSIX_x86.h" 24275072Semaste#include "RegisterContext_x86.h" 25275072Semaste 26275072Semasteusing namespace lldb_private; 27275072Semasteusing namespace lldb; 28275072Semaste 29314564Sdimconst uint32_t g_gpr_regnums_i386[] = { 30314564Sdim lldb_eax_i386, lldb_ebx_i386, lldb_ecx_i386, lldb_edx_i386, 31314564Sdim lldb_edi_i386, lldb_esi_i386, lldb_ebp_i386, lldb_esp_i386, 32314564Sdim lldb_eip_i386, lldb_eflags_i386, lldb_cs_i386, lldb_fs_i386, 33314564Sdim lldb_gs_i386, lldb_ss_i386, lldb_ds_i386, lldb_es_i386, 34314564Sdim lldb_ax_i386, lldb_bx_i386, lldb_cx_i386, lldb_dx_i386, 35314564Sdim lldb_di_i386, lldb_si_i386, lldb_bp_i386, lldb_sp_i386, 36314564Sdim lldb_ah_i386, lldb_bh_i386, lldb_ch_i386, lldb_dh_i386, 37314564Sdim lldb_al_i386, lldb_bl_i386, lldb_cl_i386, lldb_dl_i386, 38314564Sdim LLDB_INVALID_REGNUM, // Register sets must be terminated with 39314564Sdim // LLDB_INVALID_REGNUM. 40275072Semaste}; 41314564Sdimstatic_assert((sizeof(g_gpr_regnums_i386) / sizeof(g_gpr_regnums_i386[0])) - 42314564Sdim 1 == 43314564Sdim k_num_gpr_registers_i386, 44314564Sdim "g_gpr_regnums_i386 has wrong number of register infos"); 45275072Semaste 46314564Sdimconst uint32_t g_lldb_regnums_i386[] = { 47314564Sdim lldb_fctrl_i386, lldb_fstat_i386, lldb_ftag_i386, lldb_fop_i386, 48314564Sdim lldb_fiseg_i386, lldb_fioff_i386, lldb_foseg_i386, lldb_fooff_i386, 49314564Sdim lldb_mxcsr_i386, lldb_mxcsrmask_i386, lldb_st0_i386, lldb_st1_i386, 50314564Sdim lldb_st2_i386, lldb_st3_i386, lldb_st4_i386, lldb_st5_i386, 51314564Sdim lldb_st6_i386, lldb_st7_i386, lldb_mm0_i386, lldb_mm1_i386, 52314564Sdim lldb_mm2_i386, lldb_mm3_i386, lldb_mm4_i386, lldb_mm5_i386, 53314564Sdim lldb_mm6_i386, lldb_mm7_i386, lldb_xmm0_i386, lldb_xmm1_i386, 54314564Sdim lldb_xmm2_i386, lldb_xmm3_i386, lldb_xmm4_i386, lldb_xmm5_i386, 55314564Sdim lldb_xmm6_i386, lldb_xmm7_i386, 56314564Sdim LLDB_INVALID_REGNUM // Register sets must be terminated with 57314564Sdim // LLDB_INVALID_REGNUM. 58275072Semaste}; 59314564Sdimstatic_assert((sizeof(g_lldb_regnums_i386) / sizeof(g_lldb_regnums_i386[0])) - 60314564Sdim 1 == 61314564Sdim k_num_fpr_registers_i386, 62314564Sdim "g_lldb_regnums_i386 has wrong number of register infos"); 63275072Semaste 64314564Sdimconst uint32_t g_avx_regnums_i386[] = { 65314564Sdim lldb_ymm0_i386, lldb_ymm1_i386, lldb_ymm2_i386, lldb_ymm3_i386, 66314564Sdim lldb_ymm4_i386, lldb_ymm5_i386, lldb_ymm6_i386, lldb_ymm7_i386, 67314564Sdim LLDB_INVALID_REGNUM // Register sets must be terminated with 68314564Sdim // LLDB_INVALID_REGNUM. 69275072Semaste}; 70314564Sdimstatic_assert((sizeof(g_avx_regnums_i386) / sizeof(g_avx_regnums_i386[0])) - 71314564Sdim 1 == 72314564Sdim k_num_avx_registers_i386, 73314564Sdim " g_avx_regnums_i386 has wrong number of register infos"); 74275072Semaste 75314564Sdimstatic const uint32_t g_gpr_regnums_x86_64[] = { 76314564Sdim lldb_rax_x86_64, lldb_rbx_x86_64, lldb_rcx_x86_64, lldb_rdx_x86_64, 77314564Sdim lldb_rdi_x86_64, lldb_rsi_x86_64, lldb_rbp_x86_64, lldb_rsp_x86_64, 78314564Sdim lldb_r8_x86_64, lldb_r9_x86_64, lldb_r10_x86_64, lldb_r11_x86_64, 79314564Sdim lldb_r12_x86_64, lldb_r13_x86_64, lldb_r14_x86_64, lldb_r15_x86_64, 80314564Sdim lldb_rip_x86_64, lldb_rflags_x86_64, lldb_cs_x86_64, lldb_fs_x86_64, 81314564Sdim lldb_gs_x86_64, lldb_ss_x86_64, lldb_ds_x86_64, lldb_es_x86_64, 82314564Sdim lldb_eax_x86_64, lldb_ebx_x86_64, lldb_ecx_x86_64, lldb_edx_x86_64, 83314564Sdim lldb_edi_x86_64, lldb_esi_x86_64, lldb_ebp_x86_64, lldb_esp_x86_64, 84314564Sdim lldb_r8d_x86_64, // Low 32 bits or r8 85314564Sdim lldb_r9d_x86_64, // Low 32 bits or r9 86314564Sdim lldb_r10d_x86_64, // Low 32 bits or r10 87314564Sdim lldb_r11d_x86_64, // Low 32 bits or r11 88314564Sdim lldb_r12d_x86_64, // Low 32 bits or r12 89314564Sdim lldb_r13d_x86_64, // Low 32 bits or r13 90314564Sdim lldb_r14d_x86_64, // Low 32 bits or r14 91314564Sdim lldb_r15d_x86_64, // Low 32 bits or r15 92314564Sdim lldb_ax_x86_64, lldb_bx_x86_64, lldb_cx_x86_64, lldb_dx_x86_64, 93314564Sdim lldb_di_x86_64, lldb_si_x86_64, lldb_bp_x86_64, lldb_sp_x86_64, 94314564Sdim lldb_r8w_x86_64, // Low 16 bits or r8 95314564Sdim lldb_r9w_x86_64, // Low 16 bits or r9 96314564Sdim lldb_r10w_x86_64, // Low 16 bits or r10 97314564Sdim lldb_r11w_x86_64, // Low 16 bits or r11 98314564Sdim lldb_r12w_x86_64, // Low 16 bits or r12 99314564Sdim lldb_r13w_x86_64, // Low 16 bits or r13 100314564Sdim lldb_r14w_x86_64, // Low 16 bits or r14 101314564Sdim lldb_r15w_x86_64, // Low 16 bits or r15 102314564Sdim lldb_ah_x86_64, lldb_bh_x86_64, lldb_ch_x86_64, lldb_dh_x86_64, 103314564Sdim lldb_al_x86_64, lldb_bl_x86_64, lldb_cl_x86_64, lldb_dl_x86_64, 104314564Sdim lldb_dil_x86_64, lldb_sil_x86_64, lldb_bpl_x86_64, lldb_spl_x86_64, 105280031Sdim lldb_r8l_x86_64, // Low 8 bits or r8 106280031Sdim lldb_r9l_x86_64, // Low 8 bits or r9 107280031Sdim lldb_r10l_x86_64, // Low 8 bits or r10 108280031Sdim lldb_r11l_x86_64, // Low 8 bits or r11 109280031Sdim lldb_r12l_x86_64, // Low 8 bits or r12 110280031Sdim lldb_r13l_x86_64, // Low 8 bits or r13 111280031Sdim lldb_r14l_x86_64, // Low 8 bits or r14 112280031Sdim lldb_r15l_x86_64, // Low 8 bits or r15 113314564Sdim LLDB_INVALID_REGNUM // Register sets must be terminated with 114314564Sdim // LLDB_INVALID_REGNUM. 115275072Semaste}; 116314564Sdimstatic_assert((sizeof(g_gpr_regnums_x86_64) / sizeof(g_gpr_regnums_x86_64[0])) - 117314564Sdim 1 == 118314564Sdim k_num_gpr_registers_x86_64, 119314564Sdim "g_gpr_regnums_x86_64 has wrong number of register infos"); 120275072Semaste 121314564Sdimstatic const uint32_t g_lldb_regnums_x86_64[] = { 122314564Sdim lldb_fctrl_x86_64, lldb_fstat_x86_64, lldb_ftag_x86_64, 123314564Sdim lldb_fop_x86_64, lldb_fiseg_x86_64, lldb_fioff_x86_64, 124314564Sdim lldb_foseg_x86_64, lldb_fooff_x86_64, lldb_mxcsr_x86_64, 125314564Sdim lldb_mxcsrmask_x86_64, lldb_st0_x86_64, lldb_st1_x86_64, 126314564Sdim lldb_st2_x86_64, lldb_st3_x86_64, lldb_st4_x86_64, 127314564Sdim lldb_st5_x86_64, lldb_st6_x86_64, lldb_st7_x86_64, 128314564Sdim lldb_mm0_x86_64, lldb_mm1_x86_64, lldb_mm2_x86_64, 129314564Sdim lldb_mm3_x86_64, lldb_mm4_x86_64, lldb_mm5_x86_64, 130314564Sdim lldb_mm6_x86_64, lldb_mm7_x86_64, lldb_xmm0_x86_64, 131314564Sdim lldb_xmm1_x86_64, lldb_xmm2_x86_64, lldb_xmm3_x86_64, 132314564Sdim lldb_xmm4_x86_64, lldb_xmm5_x86_64, lldb_xmm6_x86_64, 133314564Sdim lldb_xmm7_x86_64, lldb_xmm8_x86_64, lldb_xmm9_x86_64, 134314564Sdim lldb_xmm10_x86_64, lldb_xmm11_x86_64, lldb_xmm12_x86_64, 135314564Sdim lldb_xmm13_x86_64, lldb_xmm14_x86_64, lldb_xmm15_x86_64, 136314564Sdim LLDB_INVALID_REGNUM // Register sets must be terminated with 137314564Sdim // LLDB_INVALID_REGNUM. 138275072Semaste}; 139314564Sdimstatic_assert((sizeof(g_lldb_regnums_x86_64) / 140314564Sdim sizeof(g_lldb_regnums_x86_64[0])) - 141314564Sdim 1 == 142314564Sdim k_num_fpr_registers_x86_64, 143314564Sdim "g_lldb_regnums_x86_64 has wrong number of register infos"); 144275072Semaste 145314564Sdimstatic const uint32_t g_avx_regnums_x86_64[] = { 146314564Sdim lldb_ymm0_x86_64, lldb_ymm1_x86_64, lldb_ymm2_x86_64, lldb_ymm3_x86_64, 147314564Sdim lldb_ymm4_x86_64, lldb_ymm5_x86_64, lldb_ymm6_x86_64, lldb_ymm7_x86_64, 148314564Sdim lldb_ymm8_x86_64, lldb_ymm9_x86_64, lldb_ymm10_x86_64, lldb_ymm11_x86_64, 149314564Sdim lldb_ymm12_x86_64, lldb_ymm13_x86_64, lldb_ymm14_x86_64, lldb_ymm15_x86_64, 150314564Sdim LLDB_INVALID_REGNUM // Register sets must be terminated with 151314564Sdim // LLDB_INVALID_REGNUM. 152275072Semaste}; 153314564Sdimstatic_assert((sizeof(g_avx_regnums_x86_64) / sizeof(g_avx_regnums_x86_64[0])) - 154314564Sdim 1 == 155314564Sdim k_num_avx_registers_x86_64, 156314564Sdim "g_avx_regnums_x86_64 has wrong number of register infos"); 157275072Semaste 158314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_eax[] = {lldb_eax_i386, 159314564Sdim LLDB_INVALID_REGNUM}; 160314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_ebx[] = {lldb_ebx_i386, 161314564Sdim LLDB_INVALID_REGNUM}; 162314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_ecx[] = {lldb_ecx_i386, 163314564Sdim LLDB_INVALID_REGNUM}; 164314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_edx[] = {lldb_edx_i386, 165314564Sdim LLDB_INVALID_REGNUM}; 166314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_edi[] = {lldb_edi_i386, 167314564Sdim LLDB_INVALID_REGNUM}; 168314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_esi[] = {lldb_esi_i386, 169314564Sdim LLDB_INVALID_REGNUM}; 170314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_ebp[] = {lldb_ebp_i386, 171314564Sdim LLDB_INVALID_REGNUM}; 172314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_esp[] = {lldb_esp_i386, 173314564Sdim LLDB_INVALID_REGNUM}; 174275072Semaste 175314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_eax[] = { 176314564Sdim lldb_eax_i386, lldb_ax_i386, lldb_ah_i386, lldb_al_i386, 177314564Sdim LLDB_INVALID_REGNUM}; 178314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_ebx[] = { 179314564Sdim lldb_ebx_i386, lldb_bx_i386, lldb_bh_i386, lldb_bl_i386, 180314564Sdim LLDB_INVALID_REGNUM}; 181314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_ecx[] = { 182314564Sdim lldb_ecx_i386, lldb_cx_i386, lldb_ch_i386, lldb_cl_i386, 183314564Sdim LLDB_INVALID_REGNUM}; 184314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_edx[] = { 185314564Sdim lldb_edx_i386, lldb_dx_i386, lldb_dh_i386, lldb_dl_i386, 186314564Sdim LLDB_INVALID_REGNUM}; 187314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_edi[] = { 188314564Sdim lldb_edi_i386, lldb_di_i386, LLDB_INVALID_REGNUM}; 189314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_esi[] = { 190314564Sdim lldb_esi_i386, lldb_si_i386, LLDB_INVALID_REGNUM}; 191314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_ebp[] = { 192314564Sdim lldb_ebp_i386, lldb_bp_i386, LLDB_INVALID_REGNUM}; 193314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_esp[] = { 194314564Sdim lldb_esp_i386, lldb_sp_i386, LLDB_INVALID_REGNUM}; 195275072Semaste 196314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_rax[] = {lldb_rax_x86_64, 197314564Sdim LLDB_INVALID_REGNUM}; 198314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_rbx[] = {lldb_rbx_x86_64, 199314564Sdim LLDB_INVALID_REGNUM}; 200314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_rcx[] = {lldb_rcx_x86_64, 201314564Sdim LLDB_INVALID_REGNUM}; 202314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_rdx[] = {lldb_rdx_x86_64, 203314564Sdim LLDB_INVALID_REGNUM}; 204314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_rdi[] = {lldb_rdi_x86_64, 205314564Sdim LLDB_INVALID_REGNUM}; 206314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_rsi[] = {lldb_rsi_x86_64, 207314564Sdim LLDB_INVALID_REGNUM}; 208314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_rbp[] = {lldb_rbp_x86_64, 209314564Sdim LLDB_INVALID_REGNUM}; 210314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_rsp[] = {lldb_rsp_x86_64, 211314564Sdim LLDB_INVALID_REGNUM}; 212314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_r8[] = {lldb_r8_x86_64, 213314564Sdim LLDB_INVALID_REGNUM}; 214314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_r9[] = {lldb_r9_x86_64, 215314564Sdim LLDB_INVALID_REGNUM}; 216314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_r10[] = {lldb_r10_x86_64, 217314564Sdim LLDB_INVALID_REGNUM}; 218314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_r11[] = {lldb_r11_x86_64, 219314564Sdim LLDB_INVALID_REGNUM}; 220314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_r12[] = {lldb_r12_x86_64, 221314564Sdim LLDB_INVALID_REGNUM}; 222314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_r13[] = {lldb_r13_x86_64, 223314564Sdim LLDB_INVALID_REGNUM}; 224314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_r14[] = {lldb_r14_x86_64, 225314564Sdim LLDB_INVALID_REGNUM}; 226314564Sdimuint32_t RegisterContextPOSIX_x86::g_contained_r15[] = {lldb_r15_x86_64, 227314564Sdim LLDB_INVALID_REGNUM}; 228275072Semaste 229314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_rax[] = { 230314564Sdim lldb_rax_x86_64, lldb_eax_x86_64, lldb_ax_x86_64, 231314564Sdim lldb_ah_x86_64, lldb_al_x86_64, LLDB_INVALID_REGNUM}; 232314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_rbx[] = { 233314564Sdim lldb_rbx_x86_64, lldb_ebx_x86_64, lldb_bx_x86_64, 234314564Sdim lldb_bh_x86_64, lldb_bl_x86_64, LLDB_INVALID_REGNUM}; 235314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_rcx[] = { 236314564Sdim lldb_rcx_x86_64, lldb_ecx_x86_64, lldb_cx_x86_64, 237314564Sdim lldb_ch_x86_64, lldb_cl_x86_64, LLDB_INVALID_REGNUM}; 238314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_rdx[] = { 239314564Sdim lldb_rdx_x86_64, lldb_edx_x86_64, lldb_dx_x86_64, 240314564Sdim lldb_dh_x86_64, lldb_dl_x86_64, LLDB_INVALID_REGNUM}; 241314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_rdi[] = { 242314564Sdim lldb_rdi_x86_64, lldb_edi_x86_64, lldb_di_x86_64, lldb_dil_x86_64, 243314564Sdim LLDB_INVALID_REGNUM}; 244314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_rsi[] = { 245314564Sdim lldb_rsi_x86_64, lldb_esi_x86_64, lldb_si_x86_64, lldb_sil_x86_64, 246314564Sdim LLDB_INVALID_REGNUM}; 247314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_rbp[] = { 248314564Sdim lldb_rbp_x86_64, lldb_ebp_x86_64, lldb_bp_x86_64, lldb_bpl_x86_64, 249314564Sdim LLDB_INVALID_REGNUM}; 250314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_rsp[] = { 251314564Sdim lldb_rsp_x86_64, lldb_esp_x86_64, lldb_sp_x86_64, lldb_spl_x86_64, 252314564Sdim LLDB_INVALID_REGNUM}; 253314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_r8[] = { 254314564Sdim lldb_r8_x86_64, lldb_r8d_x86_64, lldb_r8w_x86_64, lldb_r8l_x86_64, 255314564Sdim LLDB_INVALID_REGNUM}; 256314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_r9[] = { 257314564Sdim lldb_r9_x86_64, lldb_r9d_x86_64, lldb_r9w_x86_64, lldb_r9l_x86_64, 258314564Sdim LLDB_INVALID_REGNUM}; 259314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_r10[] = { 260314564Sdim lldb_r10_x86_64, lldb_r10d_x86_64, lldb_r10w_x86_64, lldb_r10l_x86_64, 261314564Sdim LLDB_INVALID_REGNUM}; 262314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_r11[] = { 263314564Sdim lldb_r11_x86_64, lldb_r11d_x86_64, lldb_r11w_x86_64, lldb_r11l_x86_64, 264314564Sdim LLDB_INVALID_REGNUM}; 265314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_r12[] = { 266314564Sdim lldb_r12_x86_64, lldb_r12d_x86_64, lldb_r12w_x86_64, lldb_r12l_x86_64, 267314564Sdim LLDB_INVALID_REGNUM}; 268314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_r13[] = { 269314564Sdim lldb_r13_x86_64, lldb_r13d_x86_64, lldb_r13w_x86_64, lldb_r13l_x86_64, 270314564Sdim LLDB_INVALID_REGNUM}; 271314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_r14[] = { 272314564Sdim lldb_r14_x86_64, lldb_r14d_x86_64, lldb_r14w_x86_64, lldb_r14l_x86_64, 273314564Sdim LLDB_INVALID_REGNUM}; 274314564Sdimuint32_t RegisterContextPOSIX_x86::g_invalidate_r15[] = { 275314564Sdim lldb_r15_x86_64, lldb_r15d_x86_64, lldb_r15w_x86_64, lldb_r15l_x86_64, 276314564Sdim LLDB_INVALID_REGNUM}; 277275072Semaste 278275072Semaste// Number of register sets provided by this context. 279314564Sdimenum { k_num_extended_register_sets = 1, k_num_register_sets = 3 }; 280275072Semaste 281314564Sdimstatic const RegisterSet g_reg_sets_i386[k_num_register_sets] = { 282314564Sdim {"General Purpose Registers", "gpr", k_num_gpr_registers_i386, 283314564Sdim g_gpr_regnums_i386}, 284314564Sdim {"Floating Point Registers", "fpu", k_num_fpr_registers_i386, 285314564Sdim g_lldb_regnums_i386}, 286314564Sdim {"Advanced Vector Extensions", "avx", k_num_avx_registers_i386, 287314564Sdim g_avx_regnums_i386}}; 288275072Semaste 289314564Sdimstatic const RegisterSet g_reg_sets_x86_64[k_num_register_sets] = { 290314564Sdim {"General Purpose Registers", "gpr", k_num_gpr_registers_x86_64, 291314564Sdim g_gpr_regnums_x86_64}, 292314564Sdim {"Floating Point Registers", "fpu", k_num_fpr_registers_x86_64, 293314564Sdim g_lldb_regnums_x86_64}, 294314564Sdim {"Advanced Vector Extensions", "avx", k_num_avx_registers_x86_64, 295314564Sdim g_avx_regnums_x86_64}}; 296275072Semaste 297314564Sdimbool RegisterContextPOSIX_x86::IsGPR(unsigned reg) { 298314564Sdim return reg <= m_reg_info.last_gpr; // GPR's come first. 299275072Semaste} 300275072Semaste 301314564Sdimbool RegisterContextPOSIX_x86::IsFPR(unsigned reg) { 302314564Sdim return (m_reg_info.first_fpr <= reg && reg <= m_reg_info.last_fpr); 303275072Semaste} 304275072Semaste 305314564Sdimbool RegisterContextPOSIX_x86::IsAVX(unsigned reg) { 306314564Sdim return (m_reg_info.first_ymm <= reg && reg <= m_reg_info.last_ymm); 307275072Semaste} 308275072Semaste 309314564Sdimbool RegisterContextPOSIX_x86::IsFPR(unsigned reg, FPRType fpr_type) { 310314564Sdim bool generic_fpr = IsFPR(reg); 311275072Semaste 312314564Sdim if (fpr_type == eXSAVE) 313314564Sdim return generic_fpr || IsAVX(reg); 314314564Sdim return generic_fpr; 315275072Semaste} 316275072Semaste 317314564SdimRegisterContextPOSIX_x86::RegisterContextPOSIX_x86( 318314564Sdim Thread &thread, uint32_t concrete_frame_idx, 319314564Sdim RegisterInfoInterface *register_info) 320314564Sdim : RegisterContext(thread, concrete_frame_idx) { 321353358Sdim m_register_info_up.reset(register_info); 322275072Semaste 323314564Sdim switch (register_info->m_target_arch.GetMachine()) { 324314564Sdim case llvm::Triple::x86: 325314564Sdim m_reg_info.num_registers = k_num_registers_i386; 326314564Sdim m_reg_info.num_gpr_registers = k_num_gpr_registers_i386; 327314564Sdim m_reg_info.num_fpr_registers = k_num_fpr_registers_i386; 328314564Sdim m_reg_info.num_avx_registers = k_num_avx_registers_i386; 329314564Sdim m_reg_info.last_gpr = k_last_gpr_i386; 330314564Sdim m_reg_info.first_fpr = k_first_fpr_i386; 331314564Sdim m_reg_info.last_fpr = k_last_fpr_i386; 332314564Sdim m_reg_info.first_st = lldb_st0_i386; 333314564Sdim m_reg_info.last_st = lldb_st7_i386; 334314564Sdim m_reg_info.first_mm = lldb_mm0_i386; 335314564Sdim m_reg_info.last_mm = lldb_mm7_i386; 336314564Sdim m_reg_info.first_xmm = lldb_xmm0_i386; 337314564Sdim m_reg_info.last_xmm = lldb_xmm7_i386; 338314564Sdim m_reg_info.first_ymm = lldb_ymm0_i386; 339314564Sdim m_reg_info.last_ymm = lldb_ymm7_i386; 340314564Sdim m_reg_info.first_dr = lldb_dr0_i386; 341314564Sdim m_reg_info.gpr_flags = lldb_eflags_i386; 342314564Sdim break; 343314564Sdim case llvm::Triple::x86_64: 344314564Sdim m_reg_info.num_registers = k_num_registers_x86_64; 345314564Sdim m_reg_info.num_gpr_registers = k_num_gpr_registers_x86_64; 346314564Sdim m_reg_info.num_fpr_registers = k_num_fpr_registers_x86_64; 347314564Sdim m_reg_info.num_avx_registers = k_num_avx_registers_x86_64; 348314564Sdim m_reg_info.last_gpr = k_last_gpr_x86_64; 349314564Sdim m_reg_info.first_fpr = k_first_fpr_x86_64; 350314564Sdim m_reg_info.last_fpr = k_last_fpr_x86_64; 351314564Sdim m_reg_info.first_st = lldb_st0_x86_64; 352314564Sdim m_reg_info.last_st = lldb_st7_x86_64; 353314564Sdim m_reg_info.first_mm = lldb_mm0_x86_64; 354314564Sdim m_reg_info.last_mm = lldb_mm7_x86_64; 355314564Sdim m_reg_info.first_xmm = lldb_xmm0_x86_64; 356314564Sdim m_reg_info.last_xmm = lldb_xmm15_x86_64; 357314564Sdim m_reg_info.first_ymm = lldb_ymm0_x86_64; 358314564Sdim m_reg_info.last_ymm = lldb_ymm15_x86_64; 359314564Sdim m_reg_info.first_dr = lldb_dr0_x86_64; 360314564Sdim m_reg_info.gpr_flags = lldb_rflags_x86_64; 361314564Sdim break; 362314564Sdim default: 363314564Sdim assert(false && "Unhandled target architecture."); 364314564Sdim break; 365314564Sdim } 366275072Semaste 367314564Sdim ::memset(&m_fpr, 0, sizeof(FPR)); 368275072Semaste 369314564Sdim m_fpr_type = eNotValid; 370275072Semaste} 371275072Semaste 372314564SdimRegisterContextPOSIX_x86::~RegisterContextPOSIX_x86() {} 373275072Semaste 374314564SdimRegisterContextPOSIX_x86::FPRType RegisterContextPOSIX_x86::GetFPRType() { 375314564Sdim if (m_fpr_type == eNotValid) { 376314564Sdim // TODO: Use assembly to call cpuid on the inferior and query ebx or ecx 377314564Sdim m_fpr_type = eXSAVE; // extended floating-point registers, if available 378344779Sdim if (!ReadFPR()) 379314564Sdim m_fpr_type = eFXSAVE; // assume generic floating-point registers 380314564Sdim } 381314564Sdim return m_fpr_type; 382275072Semaste} 383275072Semaste 384314564Sdimvoid RegisterContextPOSIX_x86::Invalidate() {} 385275072Semaste 386314564Sdimvoid RegisterContextPOSIX_x86::InvalidateAllRegisters() {} 387314564Sdim 388314564Sdimunsigned RegisterContextPOSIX_x86::GetRegisterOffset(unsigned reg) { 389314564Sdim assert(reg < m_reg_info.num_registers && "Invalid register number."); 390314564Sdim return GetRegisterInfo()[reg].byte_offset; 391275072Semaste} 392275072Semaste 393314564Sdimunsigned RegisterContextPOSIX_x86::GetRegisterSize(unsigned reg) { 394314564Sdim assert(reg < m_reg_info.num_registers && "Invalid register number."); 395314564Sdim return GetRegisterInfo()[reg].byte_size; 396275072Semaste} 397275072Semaste 398314564Sdimsize_t RegisterContextPOSIX_x86::GetRegisterCount() { 399314564Sdim size_t num_registers = 400314564Sdim m_reg_info.num_gpr_registers + m_reg_info.num_fpr_registers; 401314564Sdim if (GetFPRType() == eXSAVE) 402314564Sdim return num_registers + m_reg_info.num_avx_registers; 403314564Sdim return num_registers; 404275072Semaste} 405275072Semaste 406314564Sdimsize_t RegisterContextPOSIX_x86::GetGPRSize() { 407353358Sdim return m_register_info_up->GetGPRSize(); 408275072Semaste} 409275072Semaste 410314564Sdimsize_t RegisterContextPOSIX_x86::GetFXSAVEOffset() { 411314564Sdim return GetRegisterInfo()[m_reg_info.first_fpr].byte_offset; 412275072Semaste} 413275072Semaste 414314564Sdimconst RegisterInfo *RegisterContextPOSIX_x86::GetRegisterInfo() { 415314564Sdim // Commonly, this method is overridden and g_register_infos is copied and 416341825Sdim // specialized. So, use GetRegisterInfo() rather than g_register_infos in 417341825Sdim // this scope. 418353358Sdim return m_register_info_up->GetRegisterInfo(); 419275072Semaste} 420275072Semaste 421275072Semasteconst RegisterInfo * 422314564SdimRegisterContextPOSIX_x86::GetRegisterInfoAtIndex(size_t reg) { 423314564Sdim if (reg < m_reg_info.num_registers) 424314564Sdim return &GetRegisterInfo()[reg]; 425314564Sdim else 426353358Sdim return nullptr; 427275072Semaste} 428275072Semaste 429314564Sdimsize_t RegisterContextPOSIX_x86::GetRegisterSetCount() { 430314564Sdim size_t sets = 0; 431314564Sdim for (size_t set = 0; set < k_num_register_sets; ++set) { 432314564Sdim if (IsRegisterSetAvailable(set)) 433314564Sdim ++sets; 434314564Sdim } 435275072Semaste 436314564Sdim return sets; 437275072Semaste} 438275072Semaste 439314564Sdimconst RegisterSet *RegisterContextPOSIX_x86::GetRegisterSet(size_t set) { 440314564Sdim if (IsRegisterSetAvailable(set)) { 441353358Sdim switch (m_register_info_up->m_target_arch.GetMachine()) { 442314564Sdim case llvm::Triple::x86: 443314564Sdim return &g_reg_sets_i386[set]; 444314564Sdim case llvm::Triple::x86_64: 445314564Sdim return &g_reg_sets_x86_64[set]; 446314564Sdim default: 447314564Sdim assert(false && "Unhandled target architecture."); 448353358Sdim return nullptr; 449275072Semaste } 450314564Sdim } 451353358Sdim return nullptr; 452275072Semaste} 453275072Semaste 454314564Sdimconst char *RegisterContextPOSIX_x86::GetRegisterName(unsigned reg) { 455314564Sdim assert(reg < m_reg_info.num_registers && "Invalid register offset."); 456314564Sdim return GetRegisterInfo()[reg].name; 457275072Semaste} 458275072Semaste 459314564Sdimlldb::ByteOrder RegisterContextPOSIX_x86::GetByteOrder() { 460314564Sdim // Get the target process whose privileged thread was used for the register 461314564Sdim // read. 462314564Sdim lldb::ByteOrder byte_order = eByteOrderInvalid; 463314564Sdim Process *process = CalculateProcess().get(); 464275072Semaste 465314564Sdim if (process) 466314564Sdim byte_order = process->GetByteOrder(); 467314564Sdim return byte_order; 468275072Semaste} 469275072Semaste 470275072Semaste// Parse ymm registers and into xmm.bytes and ymmh.bytes. 471314564Sdimbool RegisterContextPOSIX_x86::CopyYMMtoXSTATE(uint32_t reg, 472314564Sdim lldb::ByteOrder byte_order) { 473314564Sdim if (!IsAVX(reg)) 474314564Sdim return false; 475275072Semaste 476314564Sdim if (byte_order == eByteOrderLittle) { 477353358Sdim uint32_t reg_no = reg - m_reg_info.first_ymm; 478353358Sdim YMMToXState(m_ymm_set.ymm[reg_no], 479353358Sdim m_fpr.fxsave.xmm[reg_no].bytes, 480353358Sdim m_fpr.xsave.ymmh[reg_no].bytes); 481314564Sdim return true; 482314564Sdim } 483275072Semaste 484314564Sdim return false; // unsupported or invalid byte order 485275072Semaste} 486275072Semaste 487275072Semaste// Concatenate xmm.bytes with ymmh.bytes 488314564Sdimbool RegisterContextPOSIX_x86::CopyXSTATEtoYMM(uint32_t reg, 489314564Sdim lldb::ByteOrder byte_order) { 490314564Sdim if (!IsAVX(reg)) 491314564Sdim return false; 492275072Semaste 493314564Sdim if (byte_order == eByteOrderLittle) { 494353358Sdim uint32_t reg_no = reg - m_reg_info.first_ymm; 495353358Sdim m_ymm_set.ymm[reg_no] = XStateToYMM( 496353358Sdim m_fpr.fxsave.xmm[reg_no].bytes, 497353358Sdim m_fpr.xsave.ymmh[reg_no].bytes); 498314564Sdim return true; 499314564Sdim } 500275072Semaste 501314564Sdim return false; // unsupported or invalid byte order 502275072Semaste} 503275072Semaste 504314564Sdimbool RegisterContextPOSIX_x86::IsRegisterSetAvailable(size_t set_index) { 505314564Sdim // Note: Extended register sets are assumed to be at the end of g_reg_sets... 506314564Sdim size_t num_sets = k_num_register_sets - k_num_extended_register_sets; 507275072Semaste 508314564Sdim if (GetFPRType() == eXSAVE) // ...and to start with AVX registers. 509314564Sdim ++num_sets; 510314564Sdim return (set_index < num_sets); 511275072Semaste} 512275072Semaste 513341825Sdim// Used when parsing DWARF and EH frame information and any other object file 514341825Sdim// sections that contain register numbers in them. 515314564Sdimuint32_t RegisterContextPOSIX_x86::ConvertRegisterKindToRegisterNumber( 516314564Sdim lldb::RegisterKind kind, uint32_t num) { 517314564Sdim const uint32_t num_regs = GetRegisterCount(); 518275072Semaste 519314564Sdim assert(kind < kNumRegisterKinds); 520314564Sdim for (uint32_t reg_idx = 0; reg_idx < num_regs; ++reg_idx) { 521314564Sdim const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg_idx); 522275072Semaste 523314564Sdim if (reg_info->kinds[kind] == num) 524314564Sdim return reg_idx; 525314564Sdim } 526275072Semaste 527314564Sdim return LLDB_INVALID_REGNUM; 528275072Semaste} 529