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1 // Copyright 2014 The Crashpad Authors. All rights reserved. | 1 // Copyright 2014 The Crashpad Authors. All rights reserved. |
2 // | 2 // |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
6 // | 6 // |
7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
8 // | 8 // |
9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 // See the License for the specific language governing permissions and | 12 // See the License for the specific language governing permissions and |
13 // limitations under the License. | 13 // limitations under the License. |
14 | 14 |
15 #ifndef CRASHPAD_SNAPSHOT_SNAPSHOT_CPU_CONTEXT_H_ | 15 #ifndef CRASHPAD_SNAPSHOT_SNAPSHOT_CPU_CONTEXT_H_ |
16 #define CRASHPAD_SNAPSHOT_SNAPSHOT_CPU_CONTEXT_H_ | 16 #define CRASHPAD_SNAPSHOT_SNAPSHOT_CPU_CONTEXT_H_ |
17 | 17 |
18 #include <stdint.h> | 18 #include <stdint.h> |
19 | 19 |
20 #include "snapshot/cpu_architecture.h" | 20 #include "snapshot/cpu_architecture.h" |
21 | 21 |
22 namespace crashpad { | 22 namespace crashpad { |
23 | 23 |
24 //! \brief A context structure carrying 32-bit x86 CPU state. | 24 //! \brief A context structure carrying 32-bit x86 CPU state. |
25 struct CPUContextX86 { | 25 struct CPUContextX86 { |
26 typedef uint8_t X87Register[10]; | 26 using X87Register = uint8_t[10]; |
27 | 27 |
28 union X87OrMMXRegister { | 28 union X87OrMMXRegister { |
29 struct { | 29 struct { |
30 X87Register st; | 30 X87Register st; |
31 uint8_t st_reserved[6]; | 31 uint8_t st_reserved[6]; |
32 }; | 32 }; |
33 struct { | 33 struct { |
34 uint8_t mm_value[8]; | 34 uint8_t mm_value[8]; |
35 uint8_t mm_reserved[8]; | 35 uint8_t mm_reserved[8]; |
36 }; | 36 }; |
37 }; | 37 }; |
38 | 38 |
39 typedef uint8_t XMMRegister[16]; | 39 using XMMRegister = uint8_t[16]; |
40 | 40 |
41 struct Fxsave { | 41 struct Fxsave { |
42 uint16_t fcw; // FPU control word | 42 uint16_t fcw; // FPU control word |
43 uint16_t fsw; // FPU status word | 43 uint16_t fsw; // FPU status word |
44 uint8_t ftw; // abridged FPU tag word | 44 uint8_t ftw; // abridged FPU tag word |
45 uint8_t reserved_1; | 45 uint8_t reserved_1; |
46 uint16_t fop; // FPU opcode | 46 uint16_t fop; // FPU opcode |
47 uint32_t fpu_ip; // FPU instruction pointer offset | 47 uint32_t fpu_ip; // FPU instruction pointer offset |
48 uint16_t fpu_cs; // FPU instruction pointer segment selector | 48 uint16_t fpu_cs; // FPU instruction pointer segment selector |
49 uint16_t reserved_2; | 49 uint16_t reserved_2; |
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114 uint32_t dr2; | 114 uint32_t dr2; |
115 uint32_t dr3; | 115 uint32_t dr3; |
116 uint32_t dr4; // obsolete, normally an alias for dr6 | 116 uint32_t dr4; // obsolete, normally an alias for dr6 |
117 uint32_t dr5; // obsolete, normally an alias for dr7 | 117 uint32_t dr5; // obsolete, normally an alias for dr7 |
118 uint32_t dr6; | 118 uint32_t dr6; |
119 uint32_t dr7; | 119 uint32_t dr7; |
120 }; | 120 }; |
121 | 121 |
122 //! \brief A context structure carrying x86_64 CPU state. | 122 //! \brief A context structure carrying x86_64 CPU state. |
123 struct CPUContextX86_64 { | 123 struct CPUContextX86_64 { |
124 typedef CPUContextX86::X87Register X87Register; | 124 using X87Register = CPUContextX86::X87Register; |
125 typedef CPUContextX86::X87OrMMXRegister X87OrMMXRegister; | 125 using X87OrMMXRegister = CPUContextX86::X87OrMMXRegister; |
126 typedef CPUContextX86::XMMRegister XMMRegister; | 126 using XMMRegister = CPUContextX86::XMMRegister; |
127 | 127 |
128 struct Fxsave { | 128 struct Fxsave { |
129 uint16_t fcw; // FPU control word | 129 uint16_t fcw; // FPU control word |
130 uint16_t fsw; // FPU status word | 130 uint16_t fsw; // FPU status word |
131 uint8_t ftw; // abridged FPU tag word | 131 uint8_t ftw; // abridged FPU tag word |
132 uint8_t reserved_1; | 132 uint8_t reserved_1; |
133 uint16_t fop; // FPU opcode | 133 uint16_t fop; // FPU opcode |
134 union { | 134 union { |
135 // The expression of these union members is determined by the use of | 135 // The expression of these union members is determined by the use of |
136 // fxsave/fxrstor or fxsave64/fxrstor64 (fxsaveq/fxrstorq). Mac OS X and | 136 // fxsave/fxrstor or fxsave64/fxrstor64 (fxsaveq/fxrstorq). Mac OS X and |
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210 CPUArchitecture architecture; | 210 CPUArchitecture architecture; |
211 union { | 211 union { |
212 CPUContextX86* x86; | 212 CPUContextX86* x86; |
213 CPUContextX86_64* x86_64; | 213 CPUContextX86_64* x86_64; |
214 }; | 214 }; |
215 }; | 215 }; |
216 | 216 |
217 } // namespace crashpad | 217 } // namespace crashpad |
218 | 218 |
219 #endif // CRASHPAD_SNAPSHOT_SNAPSHOT_CPU_CONTEXT_H_ | 219 #endif // CRASHPAD_SNAPSHOT_SNAPSHOT_CPU_CONTEXT_H_ |
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