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Sim Sun 13c1568702 arm64: recover register X30(LR) when fallback to frame pointer unwinder 
Stackwalk can't recover caller's register X30($LR) value by STACK CFI info.
This will lead unwinding stop immediately when fallback to frame pointer unwinder.

This PR will use try to use second last frame to recover register X30($LR) by frame pointer.
And we will give up correction if STACK CFI info doesn't agree with frame pointer info.

Bug: https://bugs.chromium.org/p/google-breakpad/issues/detail?id=808
Change-Id: I50649e3398e268b02ff297e83db21d05705c2a2d
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/1992641
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
2020-01-21 16:57:57 +00:00
.github support mistaken-pull-closer for automatically clearing incoming PRs 2018-12-07 01:49:55 +00:00
android Add a variable to allow adding an extra include path for LSS. 2019-12-04 19:46:05 +00:00
autotools Fix Travis build by running tests as root 2018-02-20 11:08:52 +00:00
docs Add optional field indicating multiple symbols at an address 2017-11-29 21:33:23 +00:00
m4 Only use O_CLOEXEC on platforms that support it 2017-05-10 21:32:37 +00:00
scripts Fix Travis build by running tests as root 2018-02-20 11:08:52 +00:00
src arm64: recover register X30(LR) when fallback to frame pointer unwinder 2020-01-21 16:57:57 +00:00
.gitignore drop glog from the checkout 2017-09-13 21:35:17 +00:00
.travis.yml Fix Travis build by running tests as root 2018-02-20 11:08:52 +00:00
aclocal.m4 Define and use a a new MDRawContextARM64 2018-08-01 19:27:25 +00:00
appveyor.yml Appveyor CI for Windows MSVS build 2017-02-13 17:57:15 +00:00
AUTHORS Make build system less annoying (#8) r=bryner 2006-08-30 20:05:05 +00:00
breakpad-client.pc.in make "make install" also install headers and pkgconfig files 2014-08-27 02:10:55 +00:00
breakpad.pc.in make "make install" also install headers and pkgconfig files 2014-08-27 02:10:55 +00:00
ChangeLog Initial import, which includes the Windows client-side dump_syms tool, and 2006-08-25 21:14:45 +00:00
codereview.settings codereview.settings: do not force squashing behavior 2019-08-14 17:56:21 +00:00
configure configure.ac: Workaround gtest-config not being installed. 2019-06-14 21:21:23 +00:00
configure.ac configure.ac: Workaround gtest-config not being installed. 2019-06-14 21:21:23 +00:00
default.xml Updated lss to fix compiling with GCC 9 2019-08-03 14:31:16 +00:00
DEPS Updated lss to fix compiling with GCC 9 2019-08-03 14:31:16 +00:00
INSTALL autoreconf -f -i 2013-12-10 17:53:50 +00:00
LICENSE Renaming file COPYING to LICENSE and appending the disclaimer from src/common/convert_UTF.h to LICENSE. 2014-02-27 19:23:16 +00:00
Makefile.am Fix 'make distcheck' 2019-11-19 15:20:39 +00:00
Makefile.in Fix 'make distcheck' 2019-11-19 15:20:39 +00:00
NEWS Initial import, which includes the Windows client-side dump_syms tool, and 2006-08-25 21:14:45 +00:00
README.ANDROID Update symbol file documentation links. 2016-06-10 06:29:06 -04:00
README.md Appveyor CI for Windows MSVS build 2017-02-13 17:57:15 +00:00

README.md

Breakpad

Breakpad is a set of client and server components which implement a crash-reporting system.

Getting started (from master)

  1. First, download depot_tools and ensure that they’re in your PATH.

  2. Create a new directory for checking out the source code (it must be named breakpad).

    mkdir breakpad && cd breakpad

  3. Run the fetch tool from depot_tools to download all the source repos.

    fetch breakpad
cd src

  4. Build the source.

    ./configure && make

    You can also cd to another directory and run configure from there to build outside the source tree.

    This will build the processor tools (src/processor/minidump_stackwalk, src/processor/minidump_dump, etc), and when building on Linux it will also build the client libraries and some tools (src/tools/linux/dump_syms/dump_syms, src/tools/linux/md2core/minidump-2-core, etc).

  5. Optionally, run tests.

    make check

  6. Optionally, install the built libraries

    make install

If you need to reconfigure your build be sure to run make distclean first.

To update an existing checkout to a newer revision, you can git pull as usual, but then you should run gclient sync to ensure that the dependent repos are up-to-date.

To request change review

  1. Follow the steps above to get the source and build it.

  2. Make changes. Build and test your changes. For core code like processor use methods above. For linux/mac/windows, there are test targets in each project file.

  3. Commit your changes to your local repo and upload them to the server. http://dev.chromium.org/developers/contributing-code e.g. git commit ... && git cl upload ... You will be prompted for credential and a description.

  4. At https://chromium-review.googlesource.com/ you'll find your issue listed; click on it, then “Add reviewer”, and enter in the code reviewer. Depending on your settings, you may not see an email, but the reviewer has been notified with google-breakpad-dev@googlegroups.com always CC’d.