1// Copyright (c) 2014, Google Inc.
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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 "common/memory.h"
38#include "google_breakpad/common/minidump_format.h"
39
40namespace google_breakpad {
41
42// Wraps platform-dependent implementations of accessors to ucontext structs.
43struct UContextReader {
44  static uintptr_t GetStackPointer(const struct ucontext* uc);
45
46  static uintptr_t GetInstructionPointer(const struct ucontext* uc);
47
48  // Juggle a arch-specific ucontext into a minidump format
49  //   out: the minidump structure
50  //   info: the collection of register structures.
51#if defined(__i386__) || defined(__x86_64)
52  static void FillCPUContext(RawContextCPU *out, const ucontext *uc,
53                             const struct _libc_fpstate* fp);
54#elif defined(__aarch64__)
55  static void FillCPUContext(RawContextCPU *out, const ucontext *uc,
56                             const struct fpsimd_context* fpregs);
57#else
58  static void FillCPUContext(RawContextCPU *out, const ucontext *uc);
59#endif
60};
61
62}  // namespace google_breakpad
63
64#endif  // CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H
65