mirror of
https://git.suyu.dev/suyu/breakpad.git
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sed -i '' -E -e 's/Copyright (\(c\) )?([0-9-]+),? (Google|The Chromium Authors).*(\r)?$/Copyright \2 Google LLC\4/' -e '/^((\/\/|#| \*) )?All rights reserved\.?\r?$/d' -e 's/name of Google Inc\. nor the/name of Google LLC nor the/' -e 's/POSSIBILITY OF SUCH DAMAGE$/POSSIBILITY OF SUCH DAMAGE./' $(git grep -El 'Copyright (\(c\) )?([0-9-]+),? (Google|The Chromium Authors).*$')
Plus manual fixes for src/processor/disassembler_x86.{cc,h}.
Plus some conversions from CRLF to LF line endings in .cc and .h files.
Bug: chromium:1098010
Change-Id: I8030e804eecd9f5a1ec9d66ae166efd8418c2a67
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3878302
Reviewed-by: Mike Frysinger <vapier@chromium.org>
91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
// Copyright 2013 Google LLC
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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 LLC 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_address_list.cc: a pseudo stack walker.
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//
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// See stackwalker_address_list.h for documentation.
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//
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// Author: Chris Hamilton <chrisha@chromium.org>
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#include <assert.h>
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#include <vector>
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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/source_line_resolver_interface.h"
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#include "google_breakpad/processor/stack_frame.h"
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#include "processor/logging.h"
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#include "processor/stackwalker_address_list.h"
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namespace google_breakpad {
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StackwalkerAddressList::StackwalkerAddressList(
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const uint64_t* frames,
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size_t frame_count,
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const CodeModules* modules,
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StackFrameSymbolizer* frame_symbolizer)
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: Stackwalker(NULL, NULL, modules, frame_symbolizer),
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frames_(frames),
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frame_count_(frame_count) {
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assert(frames);
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assert(frame_symbolizer);
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}
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StackFrame* StackwalkerAddressList::GetContextFrame() {
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if (frame_count_ == 0)
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return NULL;
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StackFrame* frame = new StackFrame();
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frame->instruction = frames_[0];
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frame->trust = StackFrame::FRAME_TRUST_PREWALKED;
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return frame;
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}
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StackFrame* StackwalkerAddressList::GetCallerFrame(const CallStack* stack,
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bool stack_scan_allowed) {
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if (!stack) {
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BPLOG(ERROR) << "Can't get caller frame without stack";
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return NULL;
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}
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size_t frame_index = stack->frames()->size();
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// There are no more frames to fetch.
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if (frame_index >= frame_count_)
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return NULL;
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// All frames have the highest level of trust because they were
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// explicitly provided.
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StackFrame* frame = new StackFrame();
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frame->instruction = frames_[frame_index];
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frame->trust = StackFrame::FRAME_TRUST_PREWALKED;
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return frame;
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}
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} // namespace google_breakpad
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