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authorTobias Sargeant <tobiasjs@google.com>2017-01-18 15:19:51 +0000
committerTobias Sargeant <tobiasjs@chromium.org>2017-01-18 15:41:07 +0000
commit833cadc0a11f0a061cc8057ee56debe89e412973 (patch)
treeeea313877d37bac5564fc4ea2e9bb9bbb8d14e16 /DEPS
parentAdded classes to support reading unloaded module lists in minidumps. (diff)
downloadbreakpad-833cadc0a11f0a061cc8057ee56debe89e412973.tar.xz
Add API to skip dump if crashing thread doesn't reference a given module
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>
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