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// Copyright (c) 2014, Google Inc.
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
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// in the documentation and/or other materials provided with the
// distribution.
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// contributors may be used to endorse or promote products derived from
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//
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#ifndef CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H
#define CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H
#include <sys/ucontext.h>
#include <sys/user.h>
#include "client/linux/dump_writer_common/raw_context_cpu.h"
#include "client/linux/minidump_writer/minidump_writer.h"
#include "common/memory_allocator.h"
#include "google_breakpad/common/minidump_format.h"
namespace google_breakpad {
// Wraps platform-dependent implementations of accessors to ucontext_t structs.
struct UContextReader {
static uintptr_t GetStackPointer(const ucontext_t* uc);
static uintptr_t GetInstructionPointer(const ucontext_t* uc);
// Juggle a arch-specific ucontext_t into a minidump format
// out: the minidump structure
// info: the collection of register structures.
#if defined(__i386__) || defined(__x86_64)
static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
const fpstate_t* fp);
#elif defined(__aarch64__)
static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc,
const struct fpsimd_context* fpregs);
#else
static void FillCPUContext(RawContextCPU *out, const ucontext_t *uc);
#endif
};
} // namespace google_breakpad
#endif // CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H