| //===-- RegisterContextWindows_i386.cpp -----------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "RegisterContextWindows_i386.h" |
| #include "RegisterContext_x86.h" |
| #include "lldb-x86-register-enums.h" |
| |
| using namespace lldb_private; |
| using namespace lldb; |
| |
| namespace { |
| // Declare our g_register_infos structure. |
| typedef struct _GPR { |
| uint32_t eax; |
| uint32_t ebx; |
| uint32_t ecx; |
| uint32_t edx; |
| uint32_t edi; |
| uint32_t esi; |
| uint32_t ebp; |
| uint32_t esp; |
| uint32_t eip; |
| uint32_t eflags; |
| uint32_t cs; |
| uint32_t fs; |
| uint32_t gs; |
| uint32_t ss; |
| uint32_t ds; |
| uint32_t es; |
| } GPR; |
| |
| #define GPR_OFFSET(regname) (LLVM_EXTENSION offsetof(GPR, regname)) |
| |
| #define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4) \ |
| { \ |
| #reg, alt, sizeof(((GPR *)nullptr)->reg), GPR_OFFSET(reg), eEncodingUint, \ |
| eFormatHex, \ |
| {kind1, kind2, kind3, kind4, lldb_##reg##_i386 }, nullptr, nullptr, \ |
| nullptr, 0 \ |
| } |
| |
| // clang-format off |
| static RegisterInfo g_register_infos_i386[] = { |
| // General purpose registers EH_Frame DWARF Generic Process Plugin |
| // =========================== ================== ================ ========================= ==================== |
| DEFINE_GPR(eax, nullptr, ehframe_eax_i386, dwarf_eax_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ebx, nullptr, ehframe_ebx_i386, dwarf_ebx_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ecx, nullptr, ehframe_ecx_i386, dwarf_ecx_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(edx, nullptr, ehframe_edx_i386, dwarf_edx_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(edi, nullptr, ehframe_edi_i386, dwarf_edi_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(esi, nullptr, ehframe_esi_i386, dwarf_esi_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ebp, "fp", ehframe_ebp_i386, dwarf_ebp_i386, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(esp, "sp", ehframe_esp_i386, dwarf_esp_i386, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(eip, "pc", ehframe_eip_i386, dwarf_eip_i386, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(eflags, "flags", ehframe_eflags_i386, dwarf_eflags_i386, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(cs, nullptr, LLDB_INVALID_REGNUM, dwarf_cs_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(fs, nullptr, LLDB_INVALID_REGNUM, dwarf_fs_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(gs, nullptr, LLDB_INVALID_REGNUM, dwarf_gs_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ss, nullptr, LLDB_INVALID_REGNUM, dwarf_ss_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ds, nullptr, LLDB_INVALID_REGNUM, dwarf_ds_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(es, nullptr, LLDB_INVALID_REGNUM, dwarf_es_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| }; |
| // clang-format on |
| } // namespace |
| |
| RegisterContextWindows_i386::RegisterContextWindows_i386( |
| const ArchSpec &target_arch) |
| : lldb_private::RegisterInfoInterface(target_arch) { |
| assert(target_arch.GetMachine() == llvm::Triple::x86); |
| } |
| |
| const RegisterInfo *RegisterContextWindows_i386::GetRegisterInfo() const { |
| return g_register_infos_i386; |
| } |
| |
| uint32_t RegisterContextWindows_i386::GetRegisterCount() const { |
| return llvm::array_lengthof(g_register_infos_i386); |
| } |
| |
| uint32_t RegisterContextWindows_i386::GetUserRegisterCount() const { |
| return llvm::array_lengthof(g_register_infos_i386); |
| } |
| |
| size_t RegisterContextWindows_i386::GetGPRSize() const { return sizeof(GPR); } |