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b64d76a3b8
Also, rename stack_frame_info.h to windows_frame_info.h. If it seems odd to have functions like FillSourceLineInfo returning Windows-specific data structures... well, it is! This patch just makes it more obvious what's going on. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@471 4c0a9323-5329-0410-9bdc-e9ce6186880e
93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
// Copyright (c) 2009, 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_arm.cc: arm-specific stackwalker.
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//
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// See stackwalker_arm.h for documentation.
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//
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// Author: Mark Mentovai, Ted Mielczarek
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#include "processor/stackwalker_arm.h"
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#include "google_breakpad/processor/call_stack.h"
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#include "google_breakpad/processor/memory_region.h"
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#include "google_breakpad/processor/stack_frame_cpu.h"
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#include "processor/logging.h"
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namespace google_breakpad {
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StackwalkerARM::StackwalkerARM(const SystemInfo *system_info,
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const MDRawContextARM *context,
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MemoryRegion *memory,
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const CodeModules *modules,
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SymbolSupplier *supplier,
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SourceLineResolverInterface *resolver)
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: Stackwalker(system_info, memory, modules, supplier, resolver),
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context_(context) {
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}
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StackFrame* StackwalkerARM::GetContextFrame() {
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if (!context_ || !memory_) {
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BPLOG(ERROR) << "Can't get context frame without context or memory";
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return NULL;
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}
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StackFrameARM *frame = new StackFrameARM();
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// The instruction pointer is stored directly in a register (r15), so pull it
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// straight out of the CPU context structure.
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frame->context = *context_;
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frame->context_validity = StackFrameARM::CONTEXT_VALID_ALL;
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frame->instruction = frame->context.iregs[15];
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return frame;
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}
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StackFrame* StackwalkerARM::GetCallerFrame(
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const CallStack *stack,
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const vector< linked_ptr<WindowsFrameInfo> > &stack_frame_info) {
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if (!memory_ || !stack) {
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BPLOG(ERROR) << "Can't get caller frame without memory or stack";
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return NULL;
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}
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StackFrameARM *last_frame = static_cast<StackFrameARM*>(
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stack->frames()->back());
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// TODO: Can't actually walk the stack on ARM without the CFI data.
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// Implement this when the CFI symbol dumper changes have landed.
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return NULL;
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}
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} // namespace google_breakpad
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