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 | nullptr, \ |
53 | } |
54 | |
55 | typedef struct _FPReg { |
56 | XMMReg xmm0; |
57 | XMMReg xmm1; |
58 | XMMReg xmm2; |
59 | XMMReg xmm3; |
60 | XMMReg xmm4; |
61 | XMMReg xmm5; |
62 | XMMReg xmm6; |
63 | XMMReg xmm7; |
64 | XMMReg xmm8; |
65 | XMMReg xmm9; |
66 | XMMReg xmm10; |
67 | XMMReg xmm11; |
68 | XMMReg xmm12; |
69 | XMMReg xmm13; |
70 | XMMReg xmm14; |
71 | XMMReg xmm15; |
72 | } FPReg; |
73 | |
74 | #define FPR_OFFSET(regname) \ |
75 | (sizeof(GPR) + LLVM_EXTENSION offsetof(FPReg, regname)) |
76 | |
77 | #define DEFINE_XMM(reg) \ |
78 | { \ |
79 | #reg, NULL, sizeof(((FPReg *)nullptr)->reg), FPR_OFFSET(reg), \ |
80 | eEncodingUint, eFormatVectorOfUInt64, \ |
81 | {dwarf_##reg##_x86_64, dwarf_##reg##_x86_64, LLDB_INVALID_REGNUM, \ |
82 | LLDB_INVALID_REGNUM, lldb_##reg##_x86_64 }, \ |
83 | nullptr, nullptr, nullptr, \ |
84 | } |
85 | |
86 | // clang-format off |
87 | static RegisterInfo g_register_infos_x86_64[] = { |
88 | // General purpose registers EH_Frame DWARF Generic Process Plugin |
89 | // =========================== ================== ================ ========================= ==================== |
90 | DEFINE_GPR(rax, nullptr, dwarf_rax_x86_64, dwarf_rax_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
91 | DEFINE_GPR(rbx, nullptr, dwarf_rbx_x86_64, dwarf_rbx_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
92 | DEFINE_GPR(rcx, nullptr, dwarf_rcx_x86_64, dwarf_rcx_x86_64, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM), |
93 | DEFINE_GPR(rdx, nullptr, dwarf_rdx_x86_64, dwarf_rdx_x86_64, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM), |
94 | DEFINE_GPR(rdi, nullptr, dwarf_rdi_x86_64, dwarf_rdi_x86_64, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM), |
95 | DEFINE_GPR(rsi, nullptr, dwarf_rsi_x86_64, dwarf_rsi_x86_64, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM), |
96 | DEFINE_GPR(rbp, nullptr, dwarf_rbp_x86_64, dwarf_rbp_x86_64, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM), |
97 | DEFINE_GPR(rsp, nullptr, dwarf_rsp_x86_64, dwarf_rsp_x86_64, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM), |
98 | DEFINE_GPR(r8, nullptr, dwarf_r8_x86_64, dwarf_r8_x86_64, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM), |
99 | DEFINE_GPR(r9, nullptr, dwarf_r9_x86_64, dwarf_r9_x86_64, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM), |
100 | DEFINE_GPR(r10, nullptr, dwarf_r10_x86_64, dwarf_r10_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
101 | DEFINE_GPR(r11, nullptr, dwarf_r11_x86_64, dwarf_r11_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
102 | DEFINE_GPR(r12, nullptr, dwarf_r12_x86_64, dwarf_r12_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
103 | DEFINE_GPR(r13, nullptr, dwarf_r13_x86_64, dwarf_r13_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
104 | DEFINE_GPR(r14, nullptr, dwarf_r14_x86_64, dwarf_r14_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
105 | DEFINE_GPR(r15, nullptr, dwarf_r15_x86_64, dwarf_r15_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
106 | DEFINE_GPR(rip, nullptr, dwarf_rip_x86_64, dwarf_rip_x86_64, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM), |
107 | DEFINE_GPR(rflags, nullptr, dwarf_rflags_x86_64, dwarf_rflags_x86_64, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM), |
108 | DEFINE_GPR(cs, nullptr, dwarf_cs_x86_64, dwarf_cs_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
109 | DEFINE_GPR(fs, nullptr, dwarf_fs_x86_64, dwarf_fs_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
110 | DEFINE_GPR(gs, nullptr, dwarf_gs_x86_64, dwarf_gs_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
111 | DEFINE_GPR(ss, nullptr, dwarf_ss_x86_64, dwarf_ss_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
112 | DEFINE_GPR(ds, nullptr, dwarf_ds_x86_64, dwarf_ds_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
113 | DEFINE_GPR(es, nullptr, dwarf_es_x86_64, dwarf_es_x86_64, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
114 | DEFINE_XMM(xmm0), |
115 | DEFINE_XMM(xmm1), |
116 | DEFINE_XMM(xmm2), |
117 | DEFINE_XMM(xmm3), |
118 | DEFINE_XMM(xmm4), |
119 | DEFINE_XMM(xmm5), |
120 | DEFINE_XMM(xmm6), |
121 | DEFINE_XMM(xmm7), |
122 | DEFINE_XMM(xmm8), |
123 | DEFINE_XMM(xmm9), |
124 | DEFINE_XMM(xmm10), |
125 | DEFINE_XMM(xmm11), |
126 | DEFINE_XMM(xmm12), |
127 | DEFINE_XMM(xmm13), |
128 | DEFINE_XMM(xmm14), |
129 | DEFINE_XMM(xmm15) |
130 | }; |
131 | // clang-format on |
132 | } // namespace |
133 | |
134 | RegisterContextWindows_x86_64::RegisterContextWindows_x86_64( |
135 | const ArchSpec &target_arch) |
136 | : lldb_private::RegisterInfoInterface(target_arch) { |
137 | assert(target_arch.GetMachine() == llvm::Triple::x86_64); |
138 | } |
139 | |
140 | const RegisterInfo *RegisterContextWindows_x86_64::GetRegisterInfo() const { |
141 | return g_register_infos_x86_64; |
142 | } |
143 | |
144 | uint32_t RegisterContextWindows_x86_64::GetRegisterCount() const { |
145 | return std::size(g_register_infos_x86_64); |
146 | } |
147 | |
148 | uint32_t RegisterContextWindows_x86_64::GetUserRegisterCount() const { |
149 | return std::size(g_register_infos_x86_64); |
150 | } |
151 | |
152 | size_t RegisterContextWindows_x86_64::GetGPRSize() const { return sizeof(GPR); } |
153 | |