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Mirror of Google Breakpad project
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jimblandy 5e4f6feaf6 Breakpad DWARF: Add support for DWARF 4 attribute forms. 
This patch allows Breakpad's DWARF reader to at least read or skip
attributes using the new forms defined in version 4 of the DWARF
specification, instead of crashing.

Attributes encoded using DW_FORM_flag_present, DW_FORM_sec_offset, and
DW_FORM_exprloc should work fine now. However, compilation units using
DW_FORM_ref_sig8 to refer to types in .debug_types will need further work
to support. (GCC 4.6.2 does not emit .debug_types sections.)

Specifically:

- dwarf2reader::DwarfForm gets new values.
- dwarf2reader::Dwarf2Handler and dwarf2reader::DIEHandler get new handler
  methods, named ProcessAttributeSignature, for DW_FORM_ref_sig8 attributes.
- dwarf2reader::CompilationUnit reads DW_FORM_ref_sig8 attributes, and
  passes them to ProcessAttributeSignature. It also gets support for
  DW_FORM_sec_offset, DW_FORM_exprloc, and DW_FORM_flag_present, using the
  existing appropriate ProcessAttribute* methods.
- dwarf2reader::DIEDispatcher passes through ProcessAttributeSignature
  attributes to its DIEHandler.
- Unit tests are updated.

a=jimb, r=ted.mielczarek
Review URL: http://breakpad.appspot.com/343003/


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@912 4c0a9323-5329-0410-9bdc-e9ce6186880e
2012-02-01 15:01:54 +00:00
autotools ditch libtool, only build static libs 2010-10-05 19:38:51 +00:00
m4 Issue 378 - Don't compile Linux client libraries on non-Linux systems 2010-08-31 15:09:01 +00:00
src Breakpad DWARF: Add support for DWARF 4 attribute forms. 2012-02-01 15:01:54 +00:00
aclocal.m4 ditch libtool, only build static libs 2010-10-05 19:38:51 +00:00
AUTHORS Make build system less annoying (#8) r=bryner 2006-08-30 20:05:05 +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 Add codereview.settings so we can use gcl. 2010-06-19 02:48:54 +00:00
configure Remove NetworkSourceLine{Resolver,Server} and related code. It never wound up being useful enough to use in production, so let's drop the maintenence burden 2011-07-07 20:53:52 +00:00
configure.ac Remove NetworkSourceLine{Resolver,Server} and related code. It never wound up being useful enough to use in production, so let's drop the maintenence burden 2011-07-07 20:53:52 +00:00
COPYING Relicense to BSD (#29). r=bryner 2006-09-20 21:16:16 +00:00
DEPS Delete svn:executable from the DEPS file. Hans has a badly configured client on Windows? 2010-05-18 01:46:59 +00:00
INSTALL Add logging to minidump processor (#82). First part: logging infrastructure 2007-05-17 18:34:37 +00:00
Makefile.am Add partial unit tests for dwarf2reader::CompilationUnit. 2012-02-01 14:57:58 +00:00
Makefile.in Add partial unit tests for dwarf2reader::CompilationUnit. 2012-02-01 14:57:58 +00:00
NEWS Initial import, which includes the Windows client-side dump_syms tool, and 2006-08-25 21:14:45 +00:00
README Update readme and fix glog properties. 2010-08-13 18:49:03 +00:00

README 

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


-----
Getting started in 32-bit mode (from trunk)
Configure: CXXFLAGS=-m32 CFLAGS=-m32 CPPFLAGS=-m32 ./configure
    Build: make
     Test: make check
  Install: make install

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


-----
To request change review:
0. Get access to a read-write copy of source.
   Owners at http://code.google.com/p/google-breakpad/ are able to grant
   this access.

1. Check out a read-write copy of source using instructions at
   http://code.google.com/p/google-breakpad/source/checkout

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. Download http://codereview.appspot.com/static/upload.py

4. Run upload.py from the 'src' directory:
   upload.py --server=breakpad.appspot.com

   You will be prompted for credential and a description.

5. At http://breakpad.appspot.com you'll find your issue listed; click on it,
   and select Publish+Mail, and enter in the code reviewer and CC
   google-breakpad-dev@googlegroups.com

6. When applying code review feedback, specify the '-i' option when running
   upload.py again and pass the issue number so it updates the existing issue,
   rather than creating a new one.
   Be sure to rerun upload.py from the same directory as you did for previous
   uploads to allow for proper diff calculations.