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Dodji Seketeli a11a0068ea Bug 24731 - Wrongly reporting union members order change 
When union data members are re-ordered, abidiff reports the
re-ordering as if it was a meaningful ABI change.

This patch teaches Libabigail to categorize that benign type layout
change as a HARMLESS_UNION_CHANGE_CATEGORY kind of change and ignore it.

	* include/abg-comp-filter.h (union_diff_has_harmless_changes):
	Declare new function and ...
	* src/abg-comp-filter.cc (union_diff_has_harmless_changes):
	... define it here.
	(categorize_harmless_diff_node): Use the new
	union_diff_has_harmless_changes here.
	* include/abg-comparison.h (HARMLESS_UNION_CHANGE_CATEGORY): Add a
	new enumerator to diff_category enum.  Adjust the value of the
	other enumerators.
	* src/abg-comparison.cc (get_default_harmless_categories_bitmap):
	Add the new HARMLESS_UNION_CHANGE_CATEGORY in here.
	(operator<<(ostream& o, diff_category c)): Support the new
	HARMLESS_UNION_CHANGE_CATEGORY.
	* tests/data/test-diff-filter/test-PR24731-report-0.txt: Likewise.
	* tests/data/test-diff-filter/test-PR24731-report-1.txt: Likewise.
	* tests/data/test-diff-filter/test-PR24731-v0.c: Likewise.
	* tests/data/test-diff-filter/test-PR24731-v0.o: Likewise.
	* tests/data/test-diff-filter/test-PR24731-v1.c: Likewise.
	* tests/data/test-diff-filter/test-PR24731-v1.o: Likewise.
	* tests/data/Makefile.am: Add the new test material above to
	source distribution.
	* tests/test-diff-filter.cc (in_out_spec): Add the new test input
	to this test harness.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2019-06-26 11:09:43 +02:00
autoconf-archive Do not ignore valgrind checks returning an error 2017-02-27 10:01:15 +01:00
bash-completion Add --self-compare option in fedabipkgdiff 2017-05-31 16:21:14 +05:30
doc Update website mainpage for 1.6 release 2019-03-29 17:31:33 +01:00
include Bug 24731 - Wrongly reporting union members order change 2019-06-26 11:09:43 +02:00
m4 Delete ltsugar.m4 and pkg.m4 files from m4/ 2015-01-06 09:54:45 +01:00
scripts Clean up scripts/* 2017-04-14 04:14:12 -04:00
src Bug 24731 - Wrongly reporting union members order change 2019-06-26 11:09:43 +02:00
tests Bug 24731 - Wrongly reporting union members order change 2019-06-26 11:09:43 +02:00
tools abidw: add option to only emit file names (--short-locs) 2019-05-22 14:33:45 +02:00
.clang-format .clang-format: Add more options for match existing coding style 2019-05-22 14:34:31 +02:00
.gitignore .gitignore: Add libabigail-?.* *.orig files 2019-05-22 14:34:23 +02:00
abigail.m4 For usage from within GCC set header path to $includedir/libabigail 2013-08-14 16:10:15 +02:00
AUTHORS Initial AUTHORS and README 2013-02-28 13:25:20 +01:00
ChangeLog Update ChangeLog 2019-03-27 18:39:08 +01:00
COMMIT-LOG-GUIDELINES Update the COMMIT-LOG-GUIDELINES file 2016-05-22 23:20:12 +02:00
COMPILING Some documentation fixes 2018-12-07 11:21:50 +01:00
configure.ac Add --enable-{asan,ubsan} configure options 2019-04-18 15:46:34 +02:00
CONTRIBUTING Control symbols exported from libabigail.so 2016-07-27 12:51:02 +02:00
COPYING Use a better wording for the COPYING file 2015-04-22 09:53:18 +02:00
COPYING-GPLV3 Update licence texts 2015-04-20 13:51:21 +02:00
COPYING-LGPLV2 Initial import of gen-changelog.py 2014-11-18 23:18:06 +01:00
COPYING-LGPLV3 LGPLv3 License the library 2013-07-23 23:13:55 +02:00
default.abignore Add default suppression specification for the libvirt project 2018-10-11 10:59:54 +02:00
gen-changelog.py [gen-changelog] Make subject line always come first 2014-11-18 23:18:06 +01:00
install-sh Add missing autoconfiscation files into version control 2013-03-01 00:47:49 +01:00
libabigail.pc.in Make libxml2 a private dependency wrt pkconfig 2013-08-22 17:41:29 +02:00
ltmain.sh Add missing autoconfiscation files into version control 2013-03-01 00:47:49 +01:00
Makefile.am Make the "upload-release" target be usable in parallel 2018-03-06 18:08:22 +01:00
NEWS Update NEWS file for 1.6 2019-03-27 18:36:53 +01:00
README Fix wording in README 2015-09-05 10:30:00 +02:00
release-text-template.txt Update the release text template after 1.0 2017-11-22 15:55:43 +01:00
update-copyright.sh Update copyright for 2019 2019-01-07 14:54:47 +01:00
VISIBILITY Control symbols exported from libabigail.so 2016-07-27 12:51:02 +02:00

README 

This is the Application Binary Interface Generic Analysis and
Instrumentation Library.

It aims at constructing, manipulating, serializing and de-serializing
ABI-relevant artifacts.

The set of artifacts that we are intersted is made of quantities like
types, variable, fonctions and declarations of a given library or
program.  For a given library or program this set of quantities is
called an ABI corpus.

This library aims at (among other things) providing a way to compare
two ABI Corpora (apparently the plural of corpus is copora, heh,
that's cool), provide detailed information about their differences,
and help build tools to infer interesting conclusions about these
differences.

You are welcome to contribute to this project after reading the files
CONTRIBUTING and COMMIT-LOG-GUIDELINES files in the source tree.

Communicating with the maintainers of this project -- including
sending patches to be include to the source code -- happens via email
at libabigail@sourceware.org.