1//===-- RegisterContextPOSIX_x86.h ------------------------------*- C++ -*-===//
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#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H
10#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H
11
12#include "RegisterContext_x86.h"
13#include "RegisterInfoInterface.h"
14#include "RegisterInfos_x86_64_with_base_shared.h"
15#include "lldb-x86-register-enums.h"
16#include "lldb/Target/RegisterContext.h"
17#include "lldb/Utility/Log.h"
18
19class RegisterContextPOSIX_x86 : public lldb_private::RegisterContext {
20public:
21 RegisterContextPOSIX_x86(lldb_private::Thread &thread,
22 uint32_t concrete_frame_idx,
23 lldb_private::RegisterInfoInterface *register_info);
24
25 ~RegisterContextPOSIX_x86() override;
26
27 void Invalidate();
28
29 void InvalidateAllRegisters() override;
30
31 size_t GetRegisterCount() override;
32
33 virtual size_t GetGPRSize();
34
35 virtual size_t GetFXSAVEOffset();
36
37 virtual unsigned GetRegisterSize(unsigned reg);
38
39 virtual unsigned GetRegisterOffset(unsigned reg);
40
41 const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
42
43 size_t GetRegisterSetCount() override;
44
45 const lldb_private::RegisterSet *GetRegisterSet(size_t set) override;
46
47 const char *GetRegisterName(unsigned reg);
48
49 // Note: prefer kernel definitions over user-land
50 enum FPRType {
51 eNotValid = 0,
52 eFSAVE, // TODO
53 eFXSAVE,
54 eSOFT, // TODO
55 eXSAVE
56 };
57
58 static uint32_t g_contained_eax[];
59 static uint32_t g_contained_ebx[];
60 static uint32_t g_contained_ecx[];
61 static uint32_t g_contained_edx[];
62 static uint32_t g_contained_edi[];
63 static uint32_t g_contained_esi[];
64 static uint32_t g_contained_ebp[];
65 static uint32_t g_contained_esp[];
66
67 static uint32_t g_invalidate_eax[];
68 static uint32_t g_invalidate_ebx[];
69 static uint32_t g_invalidate_ecx[];
70 static uint32_t g_invalidate_edx[];
71 static uint32_t g_invalidate_edi[];
72 static uint32_t g_invalidate_esi[];
73 static uint32_t g_invalidate_ebp[];
74 static uint32_t g_invalidate_esp[];
75
76 static uint32_t g_contained_rax[];
77 static uint32_t g_contained_rbx[];
78 static uint32_t g_contained_rcx[];
79 static uint32_t g_contained_rdx[];
80 static uint32_t g_contained_rdi[];
81 static uint32_t g_contained_rsi[];
82 static uint32_t g_contained_rbp[];
83 static uint32_t g_contained_rsp[];
84 static uint32_t g_contained_r8[];
85 static uint32_t g_contained_r9[];
86 static uint32_t g_contained_r10[];
87 static uint32_t g_contained_r11[];
88 static uint32_t g_contained_r12[];
89 static uint32_t g_contained_r13[];
90 static uint32_t g_contained_r14[];
91 static uint32_t g_contained_r15[];
92
93 static uint32_t g_invalidate_rax[];
94 static uint32_t g_invalidate_rbx[];
95 static uint32_t g_invalidate_rcx[];
96 static uint32_t g_invalidate_rdx[];
97 static uint32_t g_invalidate_rdi[];
98 static uint32_t g_invalidate_rsi[];
99 static uint32_t g_invalidate_rbp[];
100 static uint32_t g_invalidate_rsp[];
101 static uint32_t g_invalidate_r8[];
102 static uint32_t g_invalidate_r9[];
103 static uint32_t g_invalidate_r10[];
104 static uint32_t g_invalidate_r11[];
105 static uint32_t g_invalidate_r12[];
106 static uint32_t g_invalidate_r13[];
107 static uint32_t g_invalidate_r14[];
108 static uint32_t g_invalidate_r15[];
109
110 static uint32_t g_contained_fip[];
111 static uint32_t g_contained_fdp[];
112
113 static uint32_t g_invalidate_fip[];
114 static uint32_t g_invalidate_fdp[];
115
116 static uint32_t g_contained_st0_32[];
117 static uint32_t g_contained_st1_32[];
118 static uint32_t g_contained_st2_32[];
119 static uint32_t g_contained_st3_32[];
120 static uint32_t g_contained_st4_32[];
121 static uint32_t g_contained_st5_32[];
122 static uint32_t g_contained_st6_32[];
123 static uint32_t g_contained_st7_32[];
124
125 static uint32_t g_invalidate_st0_32[];
126 static uint32_t g_invalidate_st1_32[];
127 static uint32_t g_invalidate_st2_32[];
128 static uint32_t g_invalidate_st3_32[];
129 static uint32_t g_invalidate_st4_32[];
130 static uint32_t g_invalidate_st5_32[];
131 static uint32_t g_invalidate_st6_32[];
132 static uint32_t g_invalidate_st7_32[];
133
134 static uint32_t g_contained_st0_64[];
135 static uint32_t g_contained_st1_64[];
136 static uint32_t g_contained_st2_64[];
137 static uint32_t g_contained_st3_64[];
138 static uint32_t g_contained_st4_64[];
139 static uint32_t g_contained_st5_64[];
140 static uint32_t g_contained_st6_64[];
141 static uint32_t g_contained_st7_64[];
142
143 static uint32_t g_invalidate_st0_64[];
144 static uint32_t g_invalidate_st1_64[];
145 static uint32_t g_invalidate_st2_64[];
146 static uint32_t g_invalidate_st3_64[];
147 static uint32_t g_invalidate_st4_64[];
148 static uint32_t g_invalidate_st5_64[];
149 static uint32_t g_invalidate_st6_64[];
150 static uint32_t g_invalidate_st7_64[];
151
152protected:
153 FPRType
154 m_fpr_type; // determines the type of data stored by union FPR, if any.
155 lldb_private::FPR m_fpr; // floating-point registers including extended
156 // register sets.
157 lldb_private::YMM m_ymm_set; // copy of ymmh and xmm register halves.
158 std::unique_ptr<lldb_private::RegisterInfoInterface>
159 m_register_info_up; // Register Info Interface (FreeBSD or Linux)
160
161 // Determines if an extended register set is supported on the processor
162 // running the inferior process.
163 virtual bool IsRegisterSetAvailable(size_t set_index);
164
165 virtual const lldb_private::RegisterInfo *GetRegisterInfo();
166
167 bool IsGPR(unsigned reg);
168
169 bool IsFPR(unsigned reg);
170
171 bool IsAVX(unsigned reg);
172
173 bool CopyXSTATEtoYMM(uint32_t reg, lldb::ByteOrder byte_order);
174 bool CopyYMMtoXSTATE(uint32_t reg, lldb::ByteOrder byte_order);
175 bool IsFPR(unsigned reg, FPRType fpr_type);
176 FPRType GetFPRType();
177
178 virtual bool ReadGPR() = 0;
179 virtual bool ReadFPR() = 0;
180 virtual bool WriteGPR() = 0;
181 virtual bool WriteFPR() = 0;
182 virtual lldb_private::RegInfo &GetRegInfo();
183};
184
185#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERCONTEXTPOSIX_X86_H
186

source code of lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.h