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833cadc0a1
This CL makes it possible to skip a dump if the crashing thread doesn't have any pointers to a given module. The concrete use case is WebView where we would like to skip generating microdump output when webview is unreferenced by the stack and thus cannot be responsible for the crash in a way that would be debuggable. The range of interesting addresses is chosen by examining the process mappings to find the one that contains a pointer that is known to be in the right shared object (i.e. an appropriately chosen function pointer) passed from the client. If the extracted stack does not contain a pointer in this range, then we do not generate a microdump. If the stack extraction fails, we still generate a microdump (without a stack). BUG=664460 Change-Id: If19406a13168264f7751245fc39591bd6cdbf5df Reviewed-on: https://chromium-review.googlesource.com/419476 Reviewed-by: Robert Sesek <rsesek@chromium.org> Reviewed-by: Primiano Tucci <primiano@chromium.org>
52 lines
2.1 KiB
C++
52 lines
2.1 KiB
C++
// Copyright 2015 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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#ifndef CLIENT_LINUX_HANDLER_MICRODUMP_EXTRA_INFO_H_
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#define CLIENT_LINUX_HANDLER_MICRODUMP_EXTRA_INFO_H_
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namespace google_breakpad {
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struct MicrodumpExtraInfo {
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// Strings pointed to by this struct are not copied, and are
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// expected to remain valid for the lifetime of the process.
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const char* build_fingerprint;
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const char* product_info;
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const char* gpu_fingerprint;
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const char* process_type;
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MicrodumpExtraInfo()
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: build_fingerprint(NULL),
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product_info(NULL),
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gpu_fingerprint(NULL),
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process_type(NULL) {}
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};
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}
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#endif // CLIENT_LINUX_HANDLER_MICRODUMP_EXTRA_INFO_H_
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