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Add PPC64 support to breakpad processor.

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A=Jia Ji <jijia@google.com>
Original review: https://breakpad.appspot.com/557002/
Review URL: https://breakpad.appspot.com/558002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1147 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
thestig@chromium.org 2013-04-12 23:24:02 +00:00
parent d3c4cbd30f
commit 0c759c6f62
11 changed files with 423 additions and 8 deletions
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76
src/processor/stackwalker_ppc64.h Normal file
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// Copyright (c) 2013 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.
// stackwalker_ppc64.h: ppc-specific stackwalker.
//
// Provides stack frames given ppc64 register context and a memory region
// corresponding to a ppc64 stack.
#ifndef PROCESSOR_STACKWALKER_PPC64_H__
#define PROCESSOR_STACKWALKER_PPC64_H__
#include "google_breakpad/common/breakpad_types.h"
#include "google_breakpad/common/minidump_format.h"
#include "google_breakpad/processor/stackwalker.h"
namespace google_breakpad {
class CodeModules;
class StackwalkerPPC64 : public Stackwalker {
public:
// context is a ppc64 context object that gives access to ppc64-specific
// register state corresponding to the innermost called frame to be
// included in the stack. The other arguments are passed directly through
// to the base Stackwalker constructor.
StackwalkerPPC64(const SystemInfo* system_info,
const MDRawContextPPC64* context,
MemoryRegion* memory,
const CodeModules* modules,
StackFrameSymbolizer* frame_symbolizer);
private:
// Implementation of Stackwalker, using ppc64 context (stack pointer in %r1,
// saved program counter in %srr0) and stack conventions (saved stack
// pointer at 0(%r1), return address at 8(0(%r1)).
virtual StackFrame* GetContextFrame();
virtual StackFrame* GetCallerFrame(const CallStack* stack);
// Stores the CPU context corresponding to the innermost stack frame to
// be returned by GetContextFrame.
const MDRawContextPPC64* context_;
};
} // namespace google_breakpad
#endif // PROCESSOR_STACKWALKER_PPC64_H__