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// Copyright (c) 2009, 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_arm.h: arm-specific stackwalker.
//
// Provides stack frames given arm register context and a memory region
// corresponding to an arm stack.
//
// Author: Mark Mentovai, Ted Mielczarek
#ifndef PROCESSOR_STACKWALKER_ARM_H__
#define PROCESSOR_STACKWALKER_ARM_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 StackwalkerARM : public Stackwalker {
public:
// context is an arm context object that gives access to arm-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.
StackwalkerARM(const SystemInfo *system_info,
const MDRawContextARM *context,
MemoryRegion *memory,
const CodeModules *modules,
SymbolSupplier *supplier,
SourceLineResolverInterface *resolver);
private:
// Implementation of Stackwalker, using arm context and stack conventions.
// TODO: currently stubbed out, needs CFI symbol dumper support
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 MDRawContextARM *context_;
};
} // namespace google_breakpad
#endif // PROCESSOR_STACKWALKER_ARM_H__
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