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Support for mips cpu is added to all breakapad targets including unittests. BUG=none TEST=unittests Review URL: https://breakpad.appspot.com/614002 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1212 4c0a9323-5329-0410-9bdc-e9ce6186880e
86 lines
3.6 KiB
C++
86 lines
3.6 KiB
C++
// Copyright (c) 2013 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// stackwalker_mips.h: MIPS-specific stackwalker.
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//
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// Provides stack frames given MIPS register context and a memory region
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// corresponding to a MIPSstack.
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//
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// Author: Tata Elxsi
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#ifndef PROCESSOR_STACKWALKER_MIPS_H__
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#define PROCESSOR_STACKWALKER_MIPS_H__
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#include "google_breakpad/common/breakpad_types.h"
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#include "google_breakpad/common/minidump_format.h"
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#include "google_breakpad/processor/stackwalker.h"
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#include "google_breakpad/processor/stack_frame_cpu.h"
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#include "processor/cfi_frame_info.h"
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namespace google_breakpad {
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class CodeModules;
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class StackwalkerMIPS : public Stackwalker {
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public:
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// Context is a MIPS context object that gives access to mips-specific
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// register state corresponding to the innermost called frame to be
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// included in the stack. The other arguments are passed directly
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// through to the base Stackwalker constructor.
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StackwalkerMIPS(const SystemInfo* system_info,
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const MDRawContextMIPS* context,
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MemoryRegion* memory,
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const CodeModules* modules,
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StackFrameSymbolizer* frame_symbolizer);
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private:
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// Implementation of Stackwalker, using mips context and stack conventions.
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virtual StackFrame* GetContextFrame();
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virtual StackFrame* GetCallerFrame(const CallStack* stack,
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bool stack_scan_allowed);
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// Use cfi_frame_info (derived from STACK CFI records) to construct
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// the frame that called frames.back(). The caller takes ownership
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// of the returned frame. Return NULL on failure.
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StackFrameMIPS* GetCallerByCFIFrameInfo(const vector<StackFrame*>& frames,
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CFIFrameInfo* cfi_frame_info);
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// Scan the stack for plausible return address and frame pointer pair.
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// The caller takes ownership of the returned frame. Return NULL on failure.
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StackFrameMIPS* GetCallerByStackScan(const vector<StackFrame*>& frames);
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// Stores the CPU context corresponding to the innermost stack frame to
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// be returned by GetContextFrame.
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const MDRawContextMIPS* context_;
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};
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} // namespace google_breakpad
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#endif // PROCESSOR_STACKWALKER_MIPS_H__
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