1 | // Copyright (c) 2014, Google Inc. |
2 | // All rights reserved. |
3 | // |
4 | // Redistribution and use in source and binary forms, with or without |
5 | // modification, are permitted provided that the following conditions are |
6 | // met: |
7 | // |
8 | // * Redistributions of source code must retain the above copyright |
9 | // notice, this list of conditions and the following disclaimer. |
10 | // * Redistributions in binary form must reproduce the above |
11 | // copyright notice, this list of conditions and the following disclaimer |
12 | // in the documentation and/or other materials provided with the |
13 | // distribution. |
14 | // * Neither the name of Google Inc. nor the names of its |
15 | // contributors may be used to endorse or promote products derived from |
16 | // this software without specific prior written permission. |
17 | // |
18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | |
30 | #ifndef CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H |
31 | #define CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H |
32 | |
33 | #include <sys/ucontext.h> |
34 | #include <sys/user.h> |
35 | |
36 | #include "client/linux/dump_writer_common/raw_context_cpu.h" |
37 | #include "client/linux/minidump_writer/minidump_writer.h" |
38 | #include "common/memory_allocator.h" |
39 | #include "google_breakpad/common/minidump_format.h" |
40 | |
41 | namespace google_breakpad { |
42 | |
43 | // Wraps platform-dependent implementations of accessors to ucontext_t structs. |
44 | struct UContextReader { |
45 | static uintptr_t GetStackPointer(const ucontext_t* uc); |
46 | |
47 | static uintptr_t GetInstructionPointer(const ucontext_t* uc); |
48 | |
49 | // Juggle a arch-specific ucontext_t into a minidump format |
50 | // out: the minidump structure |
51 | // info: the collection of register structures. |
52 | #if defined(__i386__) || defined(__x86_64) |
53 | static void FillCPUContext(RawContextCPU* out, const ucontext_t* uc, |
54 | const fpstate_t* fp); |
55 | #elif defined(__aarch64__) |
56 | static void FillCPUContext(RawContextCPU* out, const ucontext_t* uc, |
57 | const struct fpsimd_context* fpregs); |
58 | #else |
59 | static void FillCPUContext(RawContextCPU* out, const ucontext_t* uc); |
60 | #endif |
61 | }; |
62 | |
63 | } // namespace google_breakpad |
64 | |
65 | #endif // CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H |
66 | |