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libabigail/tests/test-diff-filter.cc
Dodji Seketeli 286cadf841 Bug 24430 - Fold away const for array types 
In C and C++ the qualifiers of a qualified array type apply to the
element type of said array.

In this particular problem report, GCC and Clang emit DWARF that
represent the qualifiers either on the array type, or on the element
type.  Quoting the test of the bug:

    Given the following example:

	struct test {
	  const char asdf[4];
	};

	void func(struct test arg) {}

    abidiff says:

     1 function with some indirect sub-type change:

       [C]'function void func(test)' at test.c:5:1 has some indirect sub-type
     changes:
	 parameter 1 of type 'struct test' has sub-type changes:
	   type size hasn't changed
	   1 data member change:
	    type of 'const char test::asdf[4]' changed:
	      entity changed from 'const char[4]' to 'const char[4] const'

This is because GCC represents the array as const array of const
signed char, whereas clang represents it as an array of const signed
char.

In this patch, libabigail's DWARF reader detects qualified array types
and appropriately qualifies the array element type, instead of
qualifying the array type.  The patch accordingly adjusts the various
regression tests and adds a new test which comes from the problem
report.

	* include/abg-fwd.h (is_array_of_qualified_element): Declare 2
	overloads of this function.
	(re_canonicalize): Declare a new function.
	* include/abg-ir.h (class {decl_base, type_base}): Declare
	re_canonicalize as a friend of these classes.
	* src/abg-dwarf-reader.cc (maybe_strip_qualification): Detect
	qualified array types and appropriately qualifies the array
	element type, instead of qualifying the array type itself.
	Re-canonicalize the resulting type if necessary.
	* src/abg-ir.cc (is_array_of_qualified_element): Define 2
	overloads of this function.
	(re_canonicalize): Define new function.
	* tests/data/Makefile.am: The two new test binary input files
	PR24430-fold-qualified-array-clang and
	PR24430-fold-qualified-array-gcc to source distribution, as well
	as the expected reference output.
	* tests/data/test-annotate/test15-pr18892.so.abi: Adjust.
	* tests/data/test-annotate/test17-pr19027.so.abi: Likewise.
	* tests/data/test-annotate/test19-pr19023-libtcmalloc_and_profiler.so.abi:
	Likewise.
	* tests/data/test-annotate/test21-pr19092.so.abi: Likewise.
	* tests/data/test-diff-filter/PR24430-fold-qualified-array-clang:
	New binary test input coming from the bug report.
	* tests/data/test-diff-filter/PR24430-fold-qualified-array-gcc:
	Likewise.
	* tests/data/test-diff-filter/PR24430-fold-qualified-array-report-0.txt:
	Expected reference abi difference.
	* tests/data/test-diff-filter/test33-report-0.txt: Adjust.
	* tests/data/test-diff-pkg/nss-3.23.0-1.0.fc23.x86_64-report-0.txt:
	Likewise.
	* tests/data/test-read-dwarf/PR22122-libftdc.so.abi: Likewise.
	* tests/data/test-read-dwarf/test12-pr18844.so.abi: Likewise.
	* tests/data/test-read-dwarf/test15-pr18892.so.abi: Likewise.
	* tests/data/test-read-dwarf/test17-pr19027.so.abi: Likewise.
	* tests/data/test-read-dwarf/test19-pr19023-libtcmalloc_and_profiler.so.abi:
	Likewise.
	* tests/data/test-read-dwarf/test21-pr19092.so.abi: Likewise.
	* tests/data/test-read-dwarf/test22-pr19097-libstdc++.so.6.0.17.so.abi:
	Likewise.
	* tests/test-diff-filter.cc: Add the new binary test input to this
	test harness.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>
2019-04-10 13:02:36 +02:00

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// -*- Mode: C++ -*-
//
// Copyright (C) 2013-2019 Red Hat, Inc.
//
// This file is part of the GNU Application Binary Interface Generic
// Analysis and Instrumentation Library (libabigail). This library is
// free software; you can redistribute it and/or modify it under the
// terms of the GNU Lesser General Public License as published by the
// Free Software Foundation; either version 3, or (at your option) any
// later version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Lesser Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this program; see the file COPYING-LGPLV3. If
// not, see <http://www.gnu.org/licenses/>.
// Author: Dodji Seketeli
/// @file
///
/// This program runs a diff between input ELF files containing DWARF
/// debugging information and compares the resulting report with a
/// reference report. If the resulting report is different from the
/// reference report, the test has failed. Note that the comparison
/// is done using the abidiff command line comparison tool.
///
/// The set of input files and reference reports to consider should be
/// present in the source distribution.
#include <sys/wait.h>
#include <cassert>
#include <string>
#include <fstream>
#include <iostream>
#include <cstdlib>
#include "abg-workers.h"
#include "abg-tools-utils.h"
#include "test-utils.h"
using std::string;
using std::cerr;
/// This is an aggregate that specifies where a test shall get its
/// input from and where it shall write its ouput to.
struct InOutSpec
{
const char* in_elfv0_path;
const char* in_elfv1_path;
const char* abidiff_options;
const char* in_report_path;
const char* out_report_path;
}; // end struct InOutSpec;
InOutSpec in_out_specs[] =
{
{
"data/test-diff-filter/test0-v0.o",
"data/test-diff-filter/test0-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test0-report.txt",
"output/test-diff-filter/test0-report.txt",
},
{
"data/test-diff-filter/test0-v0.o",
"data/test-diff-filter/test0-v1.o",
"--no-default-suppression --harmless --no-linkage-name "
"--no-show-locs --no-redundant",
"data/test-diff-filter/test01-report.txt",
"output/test-diff-filter/test01-report.txt",
},
{
"data/test-diff-filter/test1-v0.o",
"data/test-diff-filter/test1-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test1-report.txt",
"output/test-diff-filter/test1-report.txt",
},
{
"data/test-diff-filter/test2-v0.o",
"data/test-diff-filter/test2-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test2-report.txt",
"output/test-diff-filter/test2-report.txt",
},
{
"data/test-diff-filter/test3-v0.o",
"data/test-diff-filter/test3-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test3-report.txt",
"output/test-diff-filter/test3-report.txt",
},
{
"data/test-diff-filter/test4-v0.o",
"data/test-diff-filter/test4-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test4-report.txt",
"output/test-diff-filter/test4-report.txt",
},
{
"data/test-diff-filter/test5-v0.o",
"data/test-diff-filter/test5-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test5-report.txt",
"output/test-diff-filter/test5-report.txt",
},
{
"data/test-diff-filter/test6-v0.o",
"data/test-diff-filter/test6-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test6-report.txt",
"output/test-diff-filter/test6-report.txt",
},
{
"data/test-diff-filter/test7-v0.o",
"data/test-diff-filter/test7-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test7-report.txt",
"output/test-diff-filter/test7-report.txt",
},
{
"data/test-diff-filter/test8-v0.o",
"data/test-diff-filter/test8-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test8-report.txt",
"output/test-diff-filter/test8-report.txt",
},
{
"data/test-diff-filter/test9-v0.o",
"data/test-diff-filter/test9-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test9-report.txt",
"output/test-diff-filter/test9-report.txt",
},
{
"data/test-diff-filter/test10-v0.o",
"data/test-diff-filter/test10-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test10-report.txt",
"output/test-diff-filter/test10-report.txt",
},
{
"data/test-diff-filter/test11-v0.o",
"data/test-diff-filter/test11-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test11-report.txt",
"output/test-diff-filter/test11-report.txt",
},
{
"data/test-diff-filter/test12-v0.o",
"data/test-diff-filter/test12-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test12-report.txt",
"output/test-diff-filter/test12-report.txt",
},
{
"data/test-diff-filter/test13-v0.o",
"data/test-diff-filter/test13-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test13-report.txt",
"output/test-diff-filter/test13-report.txt",
},
{
"data/test-diff-filter/test14-v0.o",
"data/test-diff-filter/test14-v1.o",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test14-0-report.txt",
"output/test-diff-filter/test14-0-report.txt",
},
{
"data/test-diff-filter/test14-v0.o",
"data/test-diff-filter/test14-v1.o",
"--no-default-suppression --no-show-locs --redundant",
"data/test-diff-filter/test14-1-report.txt",
"output/test-diff-filter/test14-1-report.txt",
},
{
"data/test-diff-filter/test15-v0.o",
"data/test-diff-filter/test15-v1.o",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test15-0-report.txt",
"output/test-diff-filter/test15-0-report.txt",
},
{
"data/test-diff-filter/test15-v0.o",
"data/test-diff-filter/test15-v1.o",
"--no-default-suppression --no-show-locs --redundant",
"data/test-diff-filter/test15-1-report.txt",
"output/test-diff-filter/test15-1-report.txt",
},
{
"data/test-diff-filter/test16-v0.o",
"data/test-diff-filter/test16-v1.o",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test16-report.txt",
"output/test-diff-filter/test16-report.txt",
},
{
"data/test-diff-filter/test16-v0.o",
"data/test-diff-filter/test16-v1.o",
"--no-default-suppression --no-show-locs --redundant",
"data/test-diff-filter/test16-report-2.txt",
"output/test-diff-filter/test16-report-2.txt",
},
{
"data/test-diff-filter/test17-v0.o",
"data/test-diff-filter/test17-v1.o",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test17-0-report.txt",
"output/test-diff-filter/test17-0-report.txt",
},
{
"data/test-diff-filter/test17-v0.o",
"data/test-diff-filter/test17-v1.o",
"--no-default-suppression --no-show-locs --redundant",
"data/test-diff-filter/test17-1-report.txt",
"output/test-diff-filter/test17-1-report.txt",
},
{
"data/test-diff-filter/test18-v0.o",
"data/test-diff-filter/test18-v1.o",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test18-report.txt",
"output/test-diff-filter/test18-report.txt",
},
{
"data/test-diff-filter/test19-enum-v0.o",
"data/test-diff-filter/test19-enum-v1.o",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test19-enum-report-0.txt",
"output/test-diff-filter/test19-enum-report-0.txt",
},
{
"data/test-diff-filter/test19-enum-v0.o",
"data/test-diff-filter/test19-enum-v1.o",
"--no-default-suppression --no-show-locs --harmless",
"data/test-diff-filter/test19-enum-report-1.txt",
"output/test-diff-filter/test19-enum-report-1.txt",
},
{
"data/test-diff-filter/test20-inline-v0.o",
"data/test-diff-filter/test20-inline-v1.o",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test20-inline-report-0.txt",
"output/test-diff-filter/test20-inline-report-0.txt",
},
{
"data/test-diff-filter/test20-inline-v0.o",
"data/test-diff-filter/test20-inline-v1.o",
"--no-default-suppression --no-show-locs --harmless",
"data/test-diff-filter/test20-inline-report-1.txt",
"output/test-diff-filter/test20-inline-report-1.txt",
},
{
"data/test-diff-filter/libtest21-compatible-vars-v0.so",
"data/test-diff-filter/libtest21-compatible-vars-v1.so",
"--no-default-suppression --no-show-locs --harmless",
"data/test-diff-filter/test21-compatible-vars-report-0.txt",
"output/test-diff-filter/test21-compatible-vars-report-0.txt",
},
{
"data/test-diff-filter/libtest21-compatible-vars-v0.so",
"data/test-diff-filter/libtest21-compatible-vars-v1.so",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test21-compatible-vars-report-1.txt",
"output/test-diff-filter/test21-compatible-vars-report-1.txt",
},
{
"data/test-diff-filter/libtest22-compatible-fns-v0.so",
"data/test-diff-filter/libtest22-compatible-fns-v1.so",
"--no-default-suppression --no-show-locs --harmless",
"data/test-diff-filter/test22-compatible-fns-report-0.txt",
"output/test-diff-filter/test22-compatible-fns-report-0.txt",
},
{
"data/test-diff-filter/libtest22-compatible-fns-v0.so",
"data/test-diff-filter/libtest22-compatible-fns-v1.so",
"--no-default-suppression --no-show-locs --no-redundant",
"data/test-diff-filter/test22-compatible-fns-report-1.txt",
"output/test-diff-filter/test22-compatible-fns-report-1.txt",
},
{
"data/test-diff-filter/libtest23-redundant-fn-parm-change-v0.so",
"data/test-diff-filter/libtest23-redundant-fn-parm-change-v1.so",
"--no-default-suppression --no-show-locs",
"data/test-diff-filter/test23-redundant-fn-parm-change-report-0.txt ",
"output/test-diff-filter/test23-redundant-fn-parm-change-report-0.txt ",
},
{
"data/test-diff-filter/libtest24-compatible-vars-v0.so",
"data/test-diff-filter/libtest24-compatible-vars-v1.so",
"--no-default-suppression --no-show-locs",
"data/test-diff-filter/test24-compatible-vars-report-0.txt ",
"output/test-diff-filter/test24-compatible-vars-report-0.txt ",
},
{
"data/test-diff-filter/libtest24-compatible-vars-v0.so",
"data/test-diff-filter/libtest24-compatible-vars-v1.so",
"--no-default-suppression --no-show-locs --harmless",
"data/test-diff-filter/test24-compatible-vars-report-1.txt ",
"output/test-diff-filter/test24-compatible-vars-report-1.txt ",
},
{
"data/test-diff-filter/libtest25-cyclic-type-v0.so",
"data/test-diff-filter/libtest25-cyclic-type-v1.so",
"--no-default-suppression --no-show-locs",
"data/test-diff-filter/test25-cyclic-type-report-0.txt ",
"output/test-diff-filter/test25-cyclic-type-report-0.txt "
},
{
"data/test-diff-filter/libtest25-cyclic-type-v0.so",
"data/test-diff-filter/libtest25-cyclic-type-v1.so",
"--no-default-suppression --no-show-locs --redundant",
"data/test-diff-filter/test25-cyclic-type-report-1.txt ",
"output/test-diff-filter/test25-cyclic-type-report-1.txt "
},
{
"data/test-diff-filter/libtest26-qualified-redundant-node-v0.so",
"data/test-diff-filter/libtest26-qualified-redundant-node-v1.so",
"--no-default-suppression --no-show-locs",
"data/test-diff-filter/test26-qualified-redundant-node-report-0.txt",
"output/test-diff-filter/test26-qualified-redundant-node-report-0.txt"
},
{
"data/test-diff-filter/libtest26-qualified-redundant-node-v0.so",
"data/test-diff-filter/libtest26-qualified-redundant-node-v1.so",
"--no-default-suppression --no-show-locs --redundant",
"data/test-diff-filter/test26-qualified-redundant-node-report-1.txt",
"output/test-diff-filter/test26-qualified-redundant-node-report-1.txt"
},
{
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-0.txt",
"output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-0.txt"
},
{
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
"--no-default-suppression --no-linkage-name --no-show-locs --redundant",
"data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-1.txt",
"output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-1.txt"
},
{
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
"--no-default-suppression --no-linkage-name --redundant --no-show-locs --harmless",
"data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-2.txt",
"output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-2.txt"
},
{
"data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v1.so",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-0.txt",
"output/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-0.txt",
},
{
"data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v0.so",
"data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v1.so",
"--no-default-suppression --no-linkage-name --redundant --no-show-locs --harmless",
"data/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-1.txt",
"output/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-1.txt",
},
{
"data/test-diff-filter/test29-finer-redundancy-marking-v0.o",
"data/test-diff-filter/test29-finer-redundancy-marking-v1.o",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test29-finer-redundancy-marking-report-0.txt",
"output/test-diff-filter/test29-finer-redundancy-marking-report-0.txt",
},
{
"data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
"data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test30-pr18904-rvalueref-report0.txt",
"output/test-diff-filter/test30-pr18904-rvalueref-report0.txt",
},
{ // Just like the previous test, but emit loc info.
"data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
"data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
"--no-default-suppression --no-linkage-name --no-redundant",
"data/test-diff-filter/test30-pr18904-rvalueref-report1.txt",
"output/test-diff-filter/test30-pr18904-rvalueref-report1.txt",
},
{ // Just like the previous test, but emit sizes in hex and bytes
"data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
"data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
"--no-default-suppression --no-linkage-name --no-redundant "
"--show-hex --show-bytes",
"data/test-diff-filter/test30-pr18904-rvalueref-report2.txt",
"output/test-diff-filter/test30-pr18904-rvalueref-report2.txt",
},
{
"data/test-diff-filter/test31-pr18535-libstdc++-4.8.3.so",
"data/test-diff-filter/test31-pr18535-libstdc++-4.9.2.so",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test31-pr18535-libstdc++-report-0.txt",
"output/test-diff-filter/test31-pr18535-libstdc++-report-0.txt",
},
{ // Just like the previous test, but emit loc info.
"data/test-diff-filter/test31-pr18535-libstdc++-4.8.3.so",
"data/test-diff-filter/test31-pr18535-libstdc++-4.9.2.so",
"--no-default-suppression --no-linkage-name --no-redundant",
"data/test-diff-filter/test31-pr18535-libstdc++-report-1.txt",
"output/test-diff-filter/test31-pr18535-libstdc++-report-1.txt",
},
{
"data/test-diff-filter/libtest32-struct-change-v0.so",
"data/test-diff-filter/libtest32-struct-change-v1.so",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test32-ppc64le-struct-change-report0.txt",
"output/test-diff-filter/test32-ppc64le-struct-change-report0.txt",
},
{
"data/test-diff-filter/test33-libelf.so.0.8.13-gcc",
"data/test-diff-filter/test33-libelf.so.0.8.13-intel16.0.3",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test33-report-0.txt",
"output/test-diff-filter/test33-report-0.txt",
},
{
"data/test-diff-filter/test34-libjemalloc.so.2-gcc-6.1.0",
"data/test-diff-filter/test34-libjemalloc.so.2-intel-16.0.3",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
"data/test-diff-filter/test34-report-0.txt",
"output/test-diff-filter/test34-report-0.txt",
},
{
"data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
"data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant --no-added-syms",
"data/test-diff-filter/test35-pr18754-no-added-syms-report-0.txt",
"output/test-diff-filter/test35-pr18754-no-added-syms-report-0.txt",
},
{
"data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
"data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
"--no-default-suppression --no-linkage-name --no-show-locs --no-redundant --deleted-fns --changed-vars --no-added-syms",
"data/test-diff-filter/test35-pr18754-no-added-syms-report-1.txt",
"output/test-diff-filter/test35-pr18754-no-added-syms-report-1.txt",
},
{
"data/test-diff-filter/libtest36-v0.so",
"data/test-diff-filter/libtest36-v1.so",
"--no-default-suppression --no-linkage-name",
"data/test-diff-filter/test36-report-0.txt",
"output/test-diff-filter/test36-report-0.txt",
},
{
"data/test-diff-filter/libtest37-v0.so",
"data/test-diff-filter/libtest37-v1.so",
"--no-default-suppression --no-linkage-name",
"data/test-diff-filter/test37-report-0.txt",
"output/test-diff-filter/test37-report-0.txt",
},
{
"data/test-diff-filter/test38/test38-v0",
"data/test-diff-filter/test38/test38-v1",
"--no-default-suppression --no-linkage-name",
"data/test-diff-filter/test38/test38-report-0.txt",
"output/test-diff-filter/test38/test38-report-0.txt",
},
{
"data/test-diff-filter/test39/test39-v0",
"data/test-diff-filter/test39/test39-v1",
"--no-default-suppression --no-linkage-name",
"data/test-diff-filter/test39/test39-report-0.txt",
"output/test-diff-filter/test39/test39-report-0.txt",
},
{
"data/test-diff-filter/libtest40-v0.so",
"data/test-diff-filter/libtest40-v1.so",
"--no-default-suppression --no-linkage-name",
"data/test-diff-filter/test40-report-0.txt",
"output/test-diff-filter/test40-report-0.txt",
},
{
"data/test-diff-filter/test41-PR21486-abg-writer.gcc.o",
"data/test-diff-filter/test41-PR21486-abg-writer.llvm.o",
"--no-default-suppression",
"data/test-diff-filter/test41-report-0.txt",
"output/test-diff-filter/test41-report-0.txt",
},
{
"data/test-diff-filter/libtest42-leaf-report-v0.so",
"data/test-diff-filter/libtest42-leaf-report-v1.so",
"--no-default-suppression --leaf-changes-only --impacted-interfaces",
"data/test-diff-filter/test42-leaf-report-output-0.txt",
"output/test-diff-filter/test42-leaf-report-output-0.txt",
},
{
"data/test-diff-filter/libtest43-decl-only-def-change-leaf-report-v0.so",
"data/test-diff-filter/libtest43-decl-only-def-change-leaf-report-v1.so",
"--no-default-suppression --leaf-changes-only",
"data/test-diff-filter/test43-decl-only-def-change-leaf-report-0.txt",
"output/test-diff-filter/test43-decl-only-def-change-leaf-report-0.txt",
},
{
"data/test-diff-filter/libtest44-anonymous-data-member-v0.so",
"data/test-diff-filter/libtest44-anonymous-data-member-v1.so",
"--no-default-suppression",
"data/test-diff-filter/test44-anonymous-data-member-report-0.txt",
"output/test-diff-filter/test44-anonymous-data-member-report-0.txt",
},
{
"data/test-diff-filter/libtest44-anonymous-data-member-v0.so",
"data/test-diff-filter/libtest44-anonymous-data-member-v1.so",
"--no-default-suppression --leaf-changes-only",
"data/test-diff-filter/test44-anonymous-data-member-report-1.txt",
"output/test-diff-filter/test44-anonymous-data-member-report-1.txt",
},
{
"data/test-diff-filter/libtest45-basic-type-change-v0.so",
"data/test-diff-filter/libtest45-basic-type-change-v1.so",
"--no-default-suppression",
"data/test-diff-filter/libtest45-basic-type-change-report-0.txt",
"output/test-diff-filter/libtest45-basic-type-change-report-0.txt",
},
{
"data/test-diff-filter/libtest45-basic-type-change-v0.so",
"data/test-diff-filter/libtest45-basic-type-change-v1.so",
"--no-default-suppression --leaf-changes-only",
"data/test-diff-filter/libtest45-basic-type-change-report-1.txt",
"output/test-diff-filter/libtest45-basic-type-change-report-1.txt",
},
{
"data/test-diff-filter/test46-fn-return-qual-change-v0.o",
"data/test-diff-filter/test46-fn-return-qual-change-v1.o",
"--no-default-suppression",
"data/test-diff-filter/test46-fn-return-qual-change-report-0.txt",
"output/test-diff-filter/test46-fn-return-qual-change-report-0.txt",
},
{
"data/test-diff-filter/test47-filter-void-ptr-change-v0.o",
"data/test-diff-filter/test47-filter-void-ptr-change-v1.o",
"--no-default-suppression",
"data/test-diff-filter/test47-filter-void-ptr-change-report-0.txt",
"output/test-diff-filter/test47-filter-void-ptr-change-report-0.txt",
},
{
"data/test-diff-filter/PR24430-fold-qualified-array-clang",
"data/test-diff-filter/PR24430-fold-qualified-array-gcc",
"--no-default-suppression",
"data/test-diff-filter/PR24430-fold-qualified-array-report-0.txt",
"output/test-diff-filter/PR24430-fold-qualified-array-report-0.txt",
},
// This should be the last entry
{NULL, NULL, NULL, NULL, NULL}
};
/// A task which launches abidiff on the binaries passed to the
/// constructor of the task. The test also launches gnu diff on the
/// result of the abidiff to compare it against a reference abidiff
/// result.
struct test_task : public abigail::workers::task
{
InOutSpec spec;
bool is_ok;
string diff_cmd;
string error_message;
test_task(const InOutSpec& s)
: spec(s),
is_ok(true)
{}
/// This virtual function overload actually performs the job of the
/// task.
///
/// It actually launches abidiff on the binaries passed to the
/// constructor of the task. It also launches gnu diff on the
/// result of the abidiff to compare it against a reference abidiff
/// result.
virtual void
perform()
{
using abigail::tests::get_src_dir;
using abigail::tests::get_build_dir;
using abigail::tools_utils::ensure_parent_dir_created;
using abigail::tools_utils::abidiff_status;
string in_elfv0_path, in_elfv1_path,
abidiff_options, abidiff, cmd,
ref_diff_report_path, out_diff_report_path;
in_elfv0_path = string(get_src_dir()) + "/tests/" + spec.in_elfv0_path;
in_elfv1_path = string(get_src_dir()) + "/tests/" + spec.in_elfv1_path;
abidiff_options = spec.abidiff_options;
ref_diff_report_path =
string(get_src_dir()) + "/tests/" + spec.in_report_path;
out_diff_report_path =
string(get_build_dir()) + "/tests/" + spec.out_report_path;
if (!ensure_parent_dir_created(out_diff_report_path))
{
error_message = string("could not create parent directory for ")
+ out_diff_report_path;
is_ok = false;
return;
}
abidiff = string(get_build_dir()) + "/tools/abidiff";
abidiff += " " + abidiff_options;
cmd = abidiff + " " + in_elfv0_path + " " + in_elfv1_path;
cmd += " > " + out_diff_report_path;
bool abidiff_ok = true;
int code = system(cmd.c_str());
if (!WIFEXITED(code))
abidiff_ok = false;
else
{
abidiff_status status =
static_cast<abidiff_status>(WEXITSTATUS(code));
if (abigail::tools_utils::abidiff_status_has_error(status))
abidiff_ok = false;
}
if (abidiff_ok)
{
cmd = "diff -u " + ref_diff_report_path
+ " " + out_diff_report_path;
string cmd_no_out = cmd + " > /dev/null";
if (system(cmd_no_out.c_str()))
{
is_ok = false;
diff_cmd = cmd;
}
}
else
is_ok = false;
}
}; //end struct test_task.
/// A convenience typedef for shared
typedef shared_ptr<test_task> test_task_sptr;
int
main()
{
using std::vector;
using std::tr1::dynamic_pointer_cast;
using abigail::workers::queue;
using abigail::workers::task;
using abigail::workers::task_sptr;
using abigail::workers::get_number_of_threads;
/// Create a task queue. The max number of worker threads of the
/// queue is the number of the concurrent threads supported by the
/// processor of the machine this code runs on.
const size_t num_tests = sizeof(in_out_specs) / sizeof (InOutSpec) - 1;
size_t num_workers = std::min(get_number_of_threads(), num_tests);
queue task_queue(num_workers);
bool is_ok = true;
for (InOutSpec* s = in_out_specs; s->in_elfv0_path; ++s)
{
test_task_sptr t(new test_task(*s));
ABG_ASSERT(task_queue.schedule_task(t));
}
/// Wait for all worker threads to finish their job, and wind down.
task_queue.wait_for_workers_to_complete();
// Now walk the results and print whatever error messages need to be
// printed.
const vector<task_sptr>& completed_tasks =
task_queue.get_completed_tasks();
ABG_ASSERT(completed_tasks.size() == num_tests);
for (vector<task_sptr>::const_iterator ti = completed_tasks.begin();
ti != completed_tasks.end();
++ti)
{
test_task_sptr t = dynamic_pointer_cast<test_task>(*ti);
if (!t->is_ok)
{
is_ok = false;
if (!t->diff_cmd.empty())
system(t->diff_cmd.c_str());
if (!t->error_message.empty())
cerr << t->error_message << '\n';
}
}
return !is_ok;
}
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