1 //===-- RegisterContextWindows_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 "RegisterContextWindows_x86_64.h" 10 #include "RegisterContext_x86.h" 11 #include "lldb-x86-register-enums.h" 12 13 #include <vector> 14 15 using namespace lldb_private; 16 using namespace lldb; 17 18 namespace { 19 typedef struct _GPR { 20 uint64_t rax; 21 uint64_t rcx; 22 uint64_t rdx; 23 uint64_t rbx; 24 uint64_t rsp; 25 uint64_t rbp; 26 uint64_t rsi; 27 uint64_t rdi; 28 uint64_t r8; 29 uint64_t r9; 30 uint64_t r10; 31 uint64_t r11; 32 uint64_t r12; 33 uint64_t r13; 34 uint64_t r14; 35 uint64_t r15; 36 uint64_t rip; 37 uint64_t rflags; 38 uint16_t cs; 39 uint16_t fs; 40 uint16_t gs; 41 uint16_t ss; 42 uint16_t ds; 43 uint16_t es; 44 } GPR; 45 46 #define GPR_OFFSET(regname) (LLVM_EXTENSION offsetof(GPR, regname)) 47 #define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4) \ 48 { \ 49 #reg, alt, sizeof(((GPR *)nullptr)->reg), GPR_OFFSET(reg), eEncodingUint, \ 50 eFormatHex, \ 51 {kind1, kind2, kind3, kind4, lldb_##reg##_x86_64 }, nullptr, nullptr, \ 52 } 53 54 typedef struct _FPReg { 55 XMMReg xmm0; 56 XMMReg xmm1; 57 XMMReg xmm2; 58 XMMReg xmm3; 59 XMMReg xmm4; 60 XMMReg xmm5; 61 XMMReg xmm6; 62 XMMReg xmm7; 63 XMMReg xmm8; 64 XMMReg xmm9; 65 XMMReg xmm10; 66 XMMReg xmm11; 67 XMMReg xmm12; 68 XMMReg xmm13; 69 XMMReg xmm14; 70 XMMReg xmm15; 71 } FPReg; 72 73 #define FPR_OFFSET(regname) \ 74 (sizeof(GPR) + LLVM_EXTENSION offsetof(FPReg, regname)) 75 76 #define DEFINE_XMM(reg) \ 77 { \ 78 #reg, NULL, sizeof(((FPReg *)nullptr)->reg), FPR_OFFSET(reg), \ 79 eEncodingUint, eFormatVectorOfUInt64, \ 80 {dwarf_##reg##_x86_64, dwarf_##reg##_x86_64, LLDB_INVALID_REGNUM, \ 81 LLDB_INVALID_REGNUM, lldb_##reg##_x86_64 }, \ 82 nullptr, nullptr, \ 83 } 84 85 // clang-format off 86 static RegisterInfo g_register_infos_x86_64[] = { 87 // General purpose registers EH_Frame DWARF Generic Process Plugin 88 // =========================== ================== ================ ========================= ==================== 89 DEFINE_GPR(rax, nullptr, dwarf_rax_x86_64, dwarf_rax_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 90 DEFINE_GPR(rbx, nullptr, dwarf_rbx_x86_64, dwarf_rbx_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 91 DEFINE_GPR(rcx, nullptr, dwarf_rcx_x86_64, dwarf_rcx_x86_64, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM), 92 DEFINE_GPR(rdx, nullptr, dwarf_rdx_x86_64, dwarf_rdx_x86_64, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM), 93 DEFINE_GPR(rdi, nullptr, dwarf_rdi_x86_64, dwarf_rdi_x86_64, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM), 94 DEFINE_GPR(rsi, nullptr, dwarf_rsi_x86_64, dwarf_rsi_x86_64, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM), 95 DEFINE_GPR(rbp, nullptr, dwarf_rbp_x86_64, dwarf_rbp_x86_64, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM), 96 DEFINE_GPR(rsp, nullptr, dwarf_rsp_x86_64, dwarf_rsp_x86_64, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM), 97 DEFINE_GPR(r8, nullptr, dwarf_r8_x86_64, dwarf_r8_x86_64, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM), 98 DEFINE_GPR(r9, nullptr, dwarf_r9_x86_64, dwarf_r9_x86_64, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM), 99 DEFINE_GPR(r10, nullptr, dwarf_r10_x86_64, dwarf_r10_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 100 DEFINE_GPR(r11, nullptr, dwarf_r11_x86_64, dwarf_r11_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 101 DEFINE_GPR(r12, nullptr, dwarf_r12_x86_64, dwarf_r12_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 102 DEFINE_GPR(r13, nullptr, dwarf_r13_x86_64, dwarf_r13_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 103 DEFINE_GPR(r14, nullptr, dwarf_r14_x86_64, dwarf_r14_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 104 DEFINE_GPR(r15, nullptr, dwarf_r15_x86_64, dwarf_r15_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 105 DEFINE_GPR(rip, nullptr, dwarf_rip_x86_64, dwarf_rip_x86_64, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM), 106 DEFINE_GPR(rflags, nullptr, dwarf_rflags_x86_64, dwarf_rflags_x86_64, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM), 107 DEFINE_GPR(cs, nullptr, dwarf_cs_x86_64, dwarf_cs_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 108 DEFINE_GPR(fs, nullptr, dwarf_fs_x86_64, dwarf_fs_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 109 DEFINE_GPR(gs, nullptr, dwarf_gs_x86_64, dwarf_gs_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 110 DEFINE_GPR(ss, nullptr, dwarf_ss_x86_64, dwarf_ss_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 111 DEFINE_GPR(ds, nullptr, dwarf_ds_x86_64, dwarf_ds_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 112 DEFINE_GPR(es, nullptr, dwarf_es_x86_64, dwarf_es_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), 113 DEFINE_XMM(xmm0), 114 DEFINE_XMM(xmm1), 115 DEFINE_XMM(xmm2), 116 DEFINE_XMM(xmm3), 117 DEFINE_XMM(xmm4), 118 DEFINE_XMM(xmm5), 119 DEFINE_XMM(xmm6), 120 DEFINE_XMM(xmm7), 121 DEFINE_XMM(xmm8), 122 DEFINE_XMM(xmm9), 123 DEFINE_XMM(xmm10), 124 DEFINE_XMM(xmm11), 125 DEFINE_XMM(xmm12), 126 DEFINE_XMM(xmm13), 127 DEFINE_XMM(xmm14), 128 DEFINE_XMM(xmm15) 129 }; 130 // clang-format on 131 } // namespace 132 133 RegisterContextWindows_x86_64::RegisterContextWindows_x86_64( 134 const ArchSpec &target_arch) 135 : lldb_private::RegisterInfoInterface(target_arch) { 136 assert(target_arch.GetMachine() == llvm::Triple::x86_64); 137 } 138 139 const RegisterInfo *RegisterContextWindows_x86_64::GetRegisterInfo() const { 140 return g_register_infos_x86_64; 141 } 142 143 uint32_t RegisterContextWindows_x86_64::GetRegisterCount() const { 144 return llvm::array_lengthof(g_register_infos_x86_64); 145 } 146 147 uint32_t RegisterContextWindows_x86_64::GetUserRegisterCount() const { 148 return llvm::array_lengthof(g_register_infos_x86_64); 149 } 150 151 size_t RegisterContextWindows_x86_64::GetGPRSize() const { return sizeof(GPR); } 152