mirror of
https://github.com/yuzu-emu/breakpad.git
synced 2025-01-28 23:21:06 +00:00
38e7f8b51b
Review URL: http://breakpad.appspot.com/316001 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@871 4c0a9323-5329-0410-9bdc-e9ce6186880e
108 lines
4.3 KiB
C++
108 lines
4.3 KiB
C++
// -*- mode: C++ -*-
|
|
|
|
// Copyright (c) 2010 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,
|
|
int fp_register,
|
|
MemoryRegion *memory,
|
|
const CodeModules *modules,
|
|
SymbolSupplier *supplier,
|
|
SourceLineResolverInterface *resolver);
|
|
|
|
// Change the context validity mask of the frame returned by
|
|
// GetContextFrame to VALID. This is only for use by unit tests; the
|
|
// default behavior is correct for all application code.
|
|
void SetContextFrameValidity(int valid) { context_frame_validity_ = valid; }
|
|
|
|
private:
|
|
// Implementation of Stackwalker, using arm context and stack conventions.
|
|
virtual StackFrame* GetContextFrame();
|
|
virtual StackFrame* GetCallerFrame(const CallStack *stack);
|
|
|
|
// Use cfi_frame_info (derived from STACK CFI records) to construct
|
|
// the frame that called frames.back(). The caller takes ownership
|
|
// of the returned frame. Return NULL on failure.
|
|
StackFrameARM *GetCallerByCFIFrameInfo(const vector<StackFrame *> &frames,
|
|
CFIFrameInfo *cfi_frame_info);
|
|
|
|
// Use the frame pointer. The caller takes ownership of the returned frame.
|
|
// Return NULL on failure.
|
|
StackFrameARM *GetCallerByFramePointer(const vector<StackFrame *> &frames);
|
|
|
|
// Scan the stack for plausible return addresses. The caller takes ownership
|
|
// of the returned frame. Return NULL on failure.
|
|
StackFrameARM *GetCallerByStackScan(const vector<StackFrame *> &frames);
|
|
|
|
// Stores the CPU context corresponding to the youngest stack frame, to
|
|
// be returned by GetContextFrame.
|
|
const MDRawContextARM *context_;
|
|
|
|
// The register to use a as frame pointer. The value is -1 if frame pointer
|
|
// cannot be used.
|
|
int fp_register_;
|
|
|
|
// Validity mask for youngest stack frame. This is always
|
|
// CONTEXT_VALID_ALL in real use; it is only changeable for the sake of
|
|
// unit tests.
|
|
int context_frame_validity_;
|
|
};
|
|
|
|
|
|
} // namespace google_breakpad
|
|
|
|
|
|
#endif // PROCESSOR_STACKWALKER_ARM_H__
|