1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/processor/stackwalker_ppc.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,79 @@
1.4 +// Copyright (c) 2010 Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +
1.33 +// stackwalker_ppc.h: ppc-specific stackwalker.
1.34 +//
1.35 +// Provides stack frames given ppc register context and a memory region
1.36 +// corresponding to a ppc stack.
1.37 +//
1.38 +// Author: Mark Mentovai
1.39 +
1.40 +
1.41 +#ifndef PROCESSOR_STACKWALKER_PPC_H__
1.42 +#define PROCESSOR_STACKWALKER_PPC_H__
1.43 +
1.44 +
1.45 +#include "google_breakpad/common/breakpad_types.h"
1.46 +#include "google_breakpad/common/minidump_format.h"
1.47 +#include "google_breakpad/processor/stackwalker.h"
1.48 +
1.49 +namespace google_breakpad {
1.50 +
1.51 +class CodeModules;
1.52 +
1.53 +class StackwalkerPPC : public Stackwalker {
1.54 + public:
1.55 + // context is a ppc context object that gives access to ppc-specific
1.56 + // register state corresponding to the innermost called frame to be
1.57 + // included in the stack. The other arguments are passed directly through
1.58 + // to the base Stackwalker constructor.
1.59 + StackwalkerPPC(const SystemInfo* system_info,
1.60 + const MDRawContextPPC* context,
1.61 + MemoryRegion* memory,
1.62 + const CodeModules* modules,
1.63 + StackFrameSymbolizer* frame_symbolizer);
1.64 +
1.65 + private:
1.66 + // Implementation of Stackwalker, using ppc context (stack pointer in %r1,
1.67 + // saved program counter in %srr0) and stack conventions (saved stack
1.68 + // pointer at 0(%r1), return address at 8(0(%r1)).
1.69 + virtual StackFrame* GetContextFrame();
1.70 + virtual StackFrame* GetCallerFrame(const CallStack* stack,
1.71 + bool stack_scan_allowed);
1.72 +
1.73 + // Stores the CPU context corresponding to the innermost stack frame to
1.74 + // be returned by GetContextFrame.
1.75 + const MDRawContextPPC* context_;
1.76 +};
1.77 +
1.78 +
1.79 +} // namespace google_breakpad
1.80 +
1.81 +
1.82 +#endif // PROCESSOR_STACKWALKER_PPC_H__
