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1 // Copyright 2014 The Crashpad Authors. All rights reserved. | |
2 // | |
3 // Licensed under the Apache License, Version 2.0 (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 | |
6 // | |
7 // http://www.apache.org/licenses/LICENSE-2.0 | |
8 // | |
9 // Unless required by applicable law or agreed to in writing, software | |
10 // distributed under the License is distributed on an "AS IS" BASIS, | |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 // See the License for the specific language governing permissions and | |
13 // limitations under the License. | |
14 | |
15 #ifndef CRASHPAD_SNAPSHOT_EXCEPTION_SNAPSHOT_MAC_H_ | |
16 #define CRASHPAD_SNAPSHOT_EXCEPTION_SNAPSHOT_MAC_H_ | |
17 | |
18 #include <mach/mach.h> | |
19 #include <stdint.h> | |
20 | |
21 #include <vector> | |
22 | |
23 #include "base/basictypes.h" | |
24 #include "build/build_config.h" | |
25 #include "snapshot/cpu_context.h" | |
26 #include "snapshot/exception_snapshot.h" | |
27 #include "util/misc/initialization_state_dcheck.h" | |
28 | |
29 namespace crashpad { | |
30 | |
31 class ProcessReader; | |
32 | |
33 namespace internal { | |
34 | |
35 //! \brief An ExceptionSnapshot of an exception sustained by a running (or | |
36 //! crashed) process on a Mac OS X system. | |
37 class ExceptionSnapshotMac final : public ExceptionSnapshot { | |
38 public: | |
39 ExceptionSnapshotMac(); | |
40 ~ExceptionSnapshotMac(); | |
41 | |
42 //! \brief Initializes the object. | |
43 //! | |
44 //! Other than \a process_reader, the parameters may be passed directly | |
45 //! through from a Mach exception handler. | |
46 //! | |
47 //! \param[in] process_reader A ProcessReader for the task that sustained the | |
48 //! exception. | |
49 //! | |
50 //! \return `true` if the snapshot could be created, `false` otherwise with | |
51 //! an appropriate message logged. | |
52 bool Initialize(ProcessReader* process_reader, | |
53 thread_t exception_thread, | |
54 exception_type_t exception, | |
55 const mach_exception_data_type_t* code, | |
56 mach_msg_type_number_t code_count, | |
57 thread_state_flavor_t flavor, | |
58 const natural_t* state, | |
59 mach_msg_type_number_t state_count); | |
60 | |
61 // ExceptionSnapshot: | |
62 | |
63 const CPUContext* Context() const override; | |
64 uint64_t ThreadID() const override; | |
65 uint32_t Exception() const override; | |
66 uint32_t ExceptionInfo() const override; | |
67 uint64_t ExceptionAddress() const override; | |
68 const std::vector<uint64_t>& Codes() const override; | |
69 | |
70 private: | |
71 #if defined(ARCH_CPU_X86_FAMILY) | |
72 union { | |
73 CPUContextX86 x86; | |
74 CPUContextX86_64 x86_64; | |
75 } context_union_; | |
76 #endif | |
77 CPUContext context_; | |
78 std::vector<uint64_t> codes_; | |
79 uint64_t thread_id_; | |
80 uint64_t exception_address_; | |
81 exception_type_t exception_; | |
82 uint32_t exception_code_0_; | |
83 InitializationStateDcheck initialized_; | |
84 | |
85 DISALLOW_COPY_AND_ASSIGN(ExceptionSnapshotMac); | |
86 }; | |
87 | |
88 } // namespace internal | |
89 } // namespace crashpad | |
90 | |
91 #endif // CRASHPAD_SNAPSHOT_EXCEPTION_SNAPSHOT_MAC_H_ | |
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