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Diffstat (limited to 'src/client/linux/dump_writer_common/ucontext_reader.h')
-rw-r--r-- | src/client/linux/dump_writer_common/ucontext_reader.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/client/linux/dump_writer_common/ucontext_reader.h b/src/client/linux/dump_writer_common/ucontext_reader.h new file mode 100644 index 00000000..b6e77b4b --- /dev/null +++ b/src/client/linux/dump_writer_common/ucontext_reader.h @@ -0,0 +1,64 @@ +// Copyright (c) 2014, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// 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 +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#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 "common/memory.h" +#include "google_breakpad/common/minidump_format.h" + +namespace google_breakpad { + +// Wraps platform-dependent implementations of accessors to ucontext structs. +struct UContextReader { + static uintptr_t GetStackPointer(const struct ucontext* uc); + + static uintptr_t GetInstructionPointer(const struct ucontext* uc); + + // Juggle a arch-specific ucontext 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 *uc, + const struct _libc_fpstate* fp); +#elif defined(__aarch64__) + static void FillCPUContext(RawContextCPU *out, const ucontext *uc, + const struct fpsimd_context* fpregs); +#else + static void FillCPUContext(RawContextCPU *out, const ucontext *uc); +#endif +}; + +} // namespace google_breakpad + +#endif // CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H |