1 | //===-- RegisterContextWindows_i386.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_i386.h" |
10 | #include "RegisterContext_x86.h" |
11 | #include "lldb-x86-register-enums.h" |
12 | |
13 | using namespace lldb_private; |
14 | using namespace lldb; |
15 | |
16 | namespace { |
17 | // Declare our g_register_infos structure. |
18 | typedef struct _GPR { |
19 | uint32_t eax; |
20 | uint32_t ebx; |
21 | uint32_t ecx; |
22 | uint32_t edx; |
23 | uint32_t edi; |
24 | uint32_t esi; |
25 | uint32_t ebp; |
26 | uint32_t esp; |
27 | uint32_t eip; |
28 | uint32_t eflags; |
29 | uint32_t cs; |
30 | uint32_t fs; |
31 | uint32_t gs; |
32 | uint32_t ss; |
33 | uint32_t ds; |
34 | uint32_t es; |
35 | } GPR; |
36 | |
37 | #define GPR_OFFSET(regname) (LLVM_EXTENSION offsetof(GPR, regname)) |
38 | |
39 | #define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4) \ |
40 | { \ |
41 | #reg, alt, sizeof(((GPR *)nullptr)->reg), GPR_OFFSET(reg), eEncodingUint, \ |
42 | eFormatHex, \ |
43 | {kind1, kind2, kind3, kind4, lldb_##reg##_i386 }, nullptr, nullptr, \ |
44 | nullptr, \ |
45 | } |
46 | |
47 | // clang-format off |
48 | static RegisterInfo g_register_infos_i386[] = { |
49 | // General purpose registers EH_Frame DWARF Generic Process Plugin |
50 | // =========================== ================== ================ ========================= ==================== |
51 | DEFINE_GPR(eax, nullptr, ehframe_eax_i386, dwarf_eax_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
52 | DEFINE_GPR(ebx, nullptr, ehframe_ebx_i386, dwarf_ebx_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
53 | DEFINE_GPR(ecx, nullptr, ehframe_ecx_i386, dwarf_ecx_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
54 | DEFINE_GPR(edx, nullptr, ehframe_edx_i386, dwarf_edx_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
55 | DEFINE_GPR(edi, nullptr, ehframe_edi_i386, dwarf_edi_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
56 | DEFINE_GPR(esi, nullptr, ehframe_esi_i386, dwarf_esi_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
57 | DEFINE_GPR(ebp, "fp" , ehframe_ebp_i386, dwarf_ebp_i386, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM), |
58 | DEFINE_GPR(esp, "sp" , ehframe_esp_i386, dwarf_esp_i386, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM), |
59 | DEFINE_GPR(eip, "pc" , ehframe_eip_i386, dwarf_eip_i386, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM), |
60 | DEFINE_GPR(eflags, "flags" , ehframe_eflags_i386, dwarf_eflags_i386, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM), |
61 | DEFINE_GPR(cs, nullptr, LLDB_INVALID_REGNUM, dwarf_cs_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
62 | DEFINE_GPR(fs, nullptr, LLDB_INVALID_REGNUM, dwarf_fs_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
63 | DEFINE_GPR(gs, nullptr, LLDB_INVALID_REGNUM, dwarf_gs_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
64 | DEFINE_GPR(ss, nullptr, LLDB_INVALID_REGNUM, dwarf_ss_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
65 | DEFINE_GPR(ds, nullptr, LLDB_INVALID_REGNUM, dwarf_ds_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
66 | DEFINE_GPR(es, nullptr, LLDB_INVALID_REGNUM, dwarf_es_i386, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
67 | }; |
68 | // clang-format on |
69 | } // namespace |
70 | |
71 | RegisterContextWindows_i386::RegisterContextWindows_i386( |
72 | const ArchSpec &target_arch) |
73 | : lldb_private::RegisterInfoInterface(target_arch) { |
74 | assert(target_arch.GetMachine() == llvm::Triple::x86); |
75 | } |
76 | |
77 | const RegisterInfo *RegisterContextWindows_i386::GetRegisterInfo() const { |
78 | return g_register_infos_i386; |
79 | } |
80 | |
81 | uint32_t RegisterContextWindows_i386::GetRegisterCount() const { |
82 | return std::size(g_register_infos_i386); |
83 | } |
84 | |
85 | uint32_t RegisterContextWindows_i386::GetUserRegisterCount() const { |
86 | return std::size(g_register_infos_i386); |
87 | } |
88 | |
89 | size_t RegisterContextWindows_i386::GetGPRSize() const { return sizeof(GPR); } |
90 | |