tests/test-diff-filter.cc

   1 // -*- Mode: C++ -*-
   2 //
   3 // Copyright (C) 2013-2019 Red Hat, Inc.
   4 //
   5 // This file is part of the GNU Application Binary Interface Generic
   6 // Analysis and Instrumentation Library (libabigail).  This library is
   7 // free software; you can redistribute it and/or modify it under the
   8 // terms of the GNU Lesser General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option) any
  10 // later version.
  11
  12 // This library is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 // General Lesser Public License for more details.
  16
  17 // You should have received a copy of the GNU Lesser General Public
  18 // License along with this program; see the file COPYING-LGPLV3.  If
  19 // not, see <http://www.gnu.org/licenses/>.
  20
  21 // Author: Dodji Seketeli
  22
  23 /// @file
  24 ///
  25 /// This program runs a diff between input ELF files containing DWARF
  26 /// debugging information and compares the resulting report with a
  27 /// reference report.  If the resulting report is different from the
  28 /// reference report, the test has failed.  Note that the comparison
  29 /// is done using the abidiff command line comparison tool.
  30 ///
  31 /// The set of input files and reference reports to consider should be
  32 /// present in the source distribution.
  33
  34 #include <sys/wait.h>
  35 #include <cassert>
  36 #include <string>
  37 #include <fstream>
  38 #include <iostream>
  39 #include <cstdlib>
  40 #include "abg-workers.h"
  41 #include "abg-tools-utils.h"
  42 #include "test-utils.h"
  43
  44 using std::string;
  45 using std::cerr;
  46
  47 /// This is an aggregate that specifies where a test shall get its
  48 /// input from and where it shall write its ouput to.
  49 struct InOutSpec
  50 {
  51   const char* in_elfv0_path;
  52   const char* in_elfv1_path;
  53   const char* abidiff_options;
  54   const char* in_report_path;
  55   const char* out_report_path;
  56 }; // end struct InOutSpec;
  57
  58 InOutSpec in_out_specs[] =
  59 {
  60   {
  61     "data/test-diff-filter/test0-v0.o",
  62     "data/test-diff-filter/test0-v1.o",
  63     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
  64     "data/test-diff-filter/test0-report.txt",
  65     "output/test-diff-filter/test0-report.txt",
  66   },
  67   {
  68     "data/test-diff-filter/test0-v0.o",
  69     "data/test-diff-filter/test0-v1.o",
  70     "--no-default-suppression --harmless --no-linkage-name "
  71     "--no-show-locs --no-redundant",
  72     "data/test-diff-filter/test01-report.txt",
  73     "output/test-diff-filter/test01-report.txt",
  74   },
  75   {
  76     "data/test-diff-filter/test1-v0.o",
  77     "data/test-diff-filter/test1-v1.o",
  78     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
  79     "data/test-diff-filter/test1-report.txt",
  80     "output/test-diff-filter/test1-report.txt",
  81   },
  82   {
  83     "data/test-diff-filter/test2-v0.o",
  84     "data/test-diff-filter/test2-v1.o",
  85     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
  86     "data/test-diff-filter/test2-report.txt",
  87     "output/test-diff-filter/test2-report.txt",
  88   },
  89   {
  90     "data/test-diff-filter/test3-v0.o",
  91     "data/test-diff-filter/test3-v1.o",
  92     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
  93     "data/test-diff-filter/test3-report.txt",
  94     "output/test-diff-filter/test3-report.txt",
  95   },
  96   {
  97     "data/test-diff-filter/test4-v0.o",
  98     "data/test-diff-filter/test4-v1.o",
  99     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 100     "data/test-diff-filter/test4-report.txt",
 101     "output/test-diff-filter/test4-report.txt",
 102   },
 103   {
 104     "data/test-diff-filter/test5-v0.o",
 105     "data/test-diff-filter/test5-v1.o",
 106     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 107     "data/test-diff-filter/test5-report.txt",
 108     "output/test-diff-filter/test5-report.txt",
 109   },
 110   {
 111     "data/test-diff-filter/test6-v0.o",
 112     "data/test-diff-filter/test6-v1.o",
 113     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 114     "data/test-diff-filter/test6-report.txt",
 115     "output/test-diff-filter/test6-report.txt",
 116   },
 117   {
 118     "data/test-diff-filter/test7-v0.o",
 119     "data/test-diff-filter/test7-v1.o",
 120     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 121     "data/test-diff-filter/test7-report.txt",
 122     "output/test-diff-filter/test7-report.txt",
 123   },
 124   {
 125     "data/test-diff-filter/test8-v0.o",
 126     "data/test-diff-filter/test8-v1.o",
 127     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 128     "data/test-diff-filter/test8-report.txt",
 129     "output/test-diff-filter/test8-report.txt",
 130   },
 131   {
 132     "data/test-diff-filter/test9-v0.o",
 133     "data/test-diff-filter/test9-v1.o",
 134     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 135     "data/test-diff-filter/test9-report.txt",
 136     "output/test-diff-filter/test9-report.txt",
 137   },
 138   {
 139     "data/test-diff-filter/test10-v0.o",
 140     "data/test-diff-filter/test10-v1.o",
 141     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 142     "data/test-diff-filter/test10-report.txt",
 143     "output/test-diff-filter/test10-report.txt",
 144   },
 145   {
 146     "data/test-diff-filter/test11-v0.o",
 147     "data/test-diff-filter/test11-v1.o",
 148     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 149     "data/test-diff-filter/test11-report.txt",
 150     "output/test-diff-filter/test11-report.txt",
 151   },
 152   {
 153     "data/test-diff-filter/test12-v0.o",
 154     "data/test-diff-filter/test12-v1.o",
 155     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 156     "data/test-diff-filter/test12-report.txt",
 157     "output/test-diff-filter/test12-report.txt",
 158   },
 159   {
 160     "data/test-diff-filter/test13-v0.o",
 161     "data/test-diff-filter/test13-v1.o",
 162     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 163     "data/test-diff-filter/test13-report.txt",
 164     "output/test-diff-filter/test13-report.txt",
 165   },
 166   {
 167     "data/test-diff-filter/test14-v0.o",
 168     "data/test-diff-filter/test14-v1.o",
 169     "--no-default-suppression --no-show-locs --no-redundant",
 170     "data/test-diff-filter/test14-0-report.txt",
 171     "output/test-diff-filter/test14-0-report.txt",
 172   },
 173   {
 174     "data/test-diff-filter/test14-v0.o",
 175     "data/test-diff-filter/test14-v1.o",
 176     "--no-default-suppression --no-show-locs --redundant",
 177     "data/test-diff-filter/test14-1-report.txt",
 178     "output/test-diff-filter/test14-1-report.txt",
 179   },
 180   {
 181     "data/test-diff-filter/test15-v0.o",
 182     "data/test-diff-filter/test15-v1.o",
 183     "--no-default-suppression --no-show-locs --no-redundant",
 184     "data/test-diff-filter/test15-0-report.txt",
 185     "output/test-diff-filter/test15-0-report.txt",
 186   },
 187   {
 188     "data/test-diff-filter/test15-v0.o",
 189     "data/test-diff-filter/test15-v1.o",
 190     "--no-default-suppression --no-show-locs --redundant",
 191     "data/test-diff-filter/test15-1-report.txt",
 192     "output/test-diff-filter/test15-1-report.txt",
 193   },
 194   {
 195     "data/test-diff-filter/test16-v0.o",
 196     "data/test-diff-filter/test16-v1.o",
 197     "--no-default-suppression --no-show-locs --no-redundant",
 198     "data/test-diff-filter/test16-report.txt",
 199     "output/test-diff-filter/test16-report.txt",
 200   },
 201   {
 202     "data/test-diff-filter/test16-v0.o",
 203     "data/test-diff-filter/test16-v1.o",
 204     "--no-default-suppression --no-show-locs --redundant",
 205     "data/test-diff-filter/test16-report-2.txt",
 206     "output/test-diff-filter/test16-report-2.txt",
 207   },
 208   {
 209     "data/test-diff-filter/test17-v0.o",
 210     "data/test-diff-filter/test17-v1.o",
 211     "--no-default-suppression --no-show-locs --no-redundant",
 212     "data/test-diff-filter/test17-0-report.txt",
 213     "output/test-diff-filter/test17-0-report.txt",
 214   },
 215   {
 216     "data/test-diff-filter/test17-v0.o",
 217     "data/test-diff-filter/test17-v1.o",
 218     "--no-default-suppression --no-show-locs --redundant",
 219     "data/test-diff-filter/test17-1-report.txt",
 220     "output/test-diff-filter/test17-1-report.txt",
 221   },
 222   {
 223     "data/test-diff-filter/test18-v0.o",
 224     "data/test-diff-filter/test18-v1.o",
 225     "--no-default-suppression --no-show-locs --no-redundant",
 226     "data/test-diff-filter/test18-report.txt",
 227     "output/test-diff-filter/test18-report.txt",
 228   },
 229   {
 230     "data/test-diff-filter/test19-enum-v0.o",
 231     "data/test-diff-filter/test19-enum-v1.o",
 232     "--no-default-suppression --no-show-locs --no-redundant",
 233     "data/test-diff-filter/test19-enum-report-0.txt",
 234     "output/test-diff-filter/test19-enum-report-0.txt",
 235   },
 236   {
 237     "data/test-diff-filter/test19-enum-v0.o",
 238     "data/test-diff-filter/test19-enum-v1.o",
 239     "--no-default-suppression --no-show-locs --harmless",
 240     "data/test-diff-filter/test19-enum-report-1.txt",
 241     "output/test-diff-filter/test19-enum-report-1.txt",
 242   },
 243   {
 244     "data/test-diff-filter/test20-inline-v0.o",
 245     "data/test-diff-filter/test20-inline-v1.o",
 246     "--no-default-suppression --no-show-locs --no-redundant",
 247     "data/test-diff-filter/test20-inline-report-0.txt",
 248     "output/test-diff-filter/test20-inline-report-0.txt",
 249   },
 250   {
 251     "data/test-diff-filter/test20-inline-v0.o",
 252     "data/test-diff-filter/test20-inline-v1.o",
 253     "--no-default-suppression --no-show-locs --harmless",
 254     "data/test-diff-filter/test20-inline-report-1.txt",
 255     "output/test-diff-filter/test20-inline-report-1.txt",
 256   },
 257   {
 258     "data/test-diff-filter/libtest21-compatible-vars-v0.so",
 259     "data/test-diff-filter/libtest21-compatible-vars-v1.so",
 260     "--no-default-suppression --no-show-locs --harmless",
 261     "data/test-diff-filter/test21-compatible-vars-report-0.txt",
 262     "output/test-diff-filter/test21-compatible-vars-report-0.txt",
 263   },
 264   {
 265     "data/test-diff-filter/libtest21-compatible-vars-v0.so",
 266     "data/test-diff-filter/libtest21-compatible-vars-v1.so",
 267     "--no-default-suppression --no-show-locs --no-redundant",
 268     "data/test-diff-filter/test21-compatible-vars-report-1.txt",
 269     "output/test-diff-filter/test21-compatible-vars-report-1.txt",
 270   },
 271   {
 272     "data/test-diff-filter/libtest22-compatible-fns-v0.so",
 273     "data/test-diff-filter/libtest22-compatible-fns-v1.so",
 274     "--no-default-suppression --no-show-locs --harmless",
 275     "data/test-diff-filter/test22-compatible-fns-report-0.txt",
 276     "output/test-diff-filter/test22-compatible-fns-report-0.txt",
 277   },
 278   {
 279     "data/test-diff-filter/libtest22-compatible-fns-v0.so",
 280     "data/test-diff-filter/libtest22-compatible-fns-v1.so",
 281     "--no-default-suppression --no-show-locs --no-redundant",
 282     "data/test-diff-filter/test22-compatible-fns-report-1.txt",
 283     "output/test-diff-filter/test22-compatible-fns-report-1.txt",
 284   },
 285   {
 286     "data/test-diff-filter/libtest23-redundant-fn-parm-change-v0.so",
 287     "data/test-diff-filter/libtest23-redundant-fn-parm-change-v1.so",
 288     "--no-default-suppression --no-show-locs",
 289     "data/test-diff-filter/test23-redundant-fn-parm-change-report-0.txt ",
 290     "output/test-diff-filter/test23-redundant-fn-parm-change-report-0.txt ",
 291   },
 292   {
 293     "data/test-diff-filter/libtest24-compatible-vars-v0.so",
 294     "data/test-diff-filter/libtest24-compatible-vars-v1.so",
 295     "--no-default-suppression --no-show-locs",
 296     "data/test-diff-filter/test24-compatible-vars-report-0.txt ",
 297     "output/test-diff-filter/test24-compatible-vars-report-0.txt ",
 298   },
 299   {
 300     "data/test-diff-filter/libtest24-compatible-vars-v0.so",
 301     "data/test-diff-filter/libtest24-compatible-vars-v1.so",
 302     "--no-default-suppression --no-show-locs --harmless",
 303     "data/test-diff-filter/test24-compatible-vars-report-1.txt ",
 304     "output/test-diff-filter/test24-compatible-vars-report-1.txt ",
 305   },
 306   {
 307     "data/test-diff-filter/libtest25-cyclic-type-v0.so",
 308     "data/test-diff-filter/libtest25-cyclic-type-v1.so",
 309     "--no-default-suppression --no-show-locs",
 310     "data/test-diff-filter/test25-cyclic-type-report-0.txt ",
 311     "output/test-diff-filter/test25-cyclic-type-report-0.txt "
 312   },
 313   {
 314     "data/test-diff-filter/libtest25-cyclic-type-v0.so",
 315     "data/test-diff-filter/libtest25-cyclic-type-v1.so",
 316     "--no-default-suppression --no-show-locs --redundant",
 317     "data/test-diff-filter/test25-cyclic-type-report-1.txt ",
 318     "output/test-diff-filter/test25-cyclic-type-report-1.txt "
 319   },
 320   {
 321     "data/test-diff-filter/libtest26-qualified-redundant-node-v0.so",
 322     "data/test-diff-filter/libtest26-qualified-redundant-node-v1.so",
 323     "--no-default-suppression --no-show-locs",
 324     "data/test-diff-filter/test26-qualified-redundant-node-report-0.txt",
 325     "output/test-diff-filter/test26-qualified-redundant-node-report-0.txt"
 326   },
 327   {
 328     "data/test-diff-filter/libtest26-qualified-redundant-node-v0.so",
 329     "data/test-diff-filter/libtest26-qualified-redundant-node-v1.so",
 330     "--no-default-suppression --no-show-locs --redundant",
 331     "data/test-diff-filter/test26-qualified-redundant-node-report-1.txt",
 332     "output/test-diff-filter/test26-qualified-redundant-node-report-1.txt"
 333   },
 334   {
 335     "data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
 336     "data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
 337     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 338     "data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-0.txt",
 339     "output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-0.txt"
 340   },
 341   {
 342     "data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
 343     "data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
 344     "--no-default-suppression --no-linkage-name --no-show-locs --redundant",
 345     "data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-1.txt",
 346     "output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-1.txt"
 347   },
 348   {
 349     "data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v0.so",
 350     "data/test-diff-filter/libtest27-redundant-and-filtered-children-nodes-v1.so",
 351     "--no-default-suppression --no-linkage-name --redundant --no-show-locs --harmless",
 352     "data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-2.txt",
 353     "output/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-2.txt"
 354   },
 355   {
 356     "data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v0.so",
 357     "data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v1.so",
 358     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 359    "data/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-0.txt",
 360     "output/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-0.txt",
 361   },
 362   {
 363     "data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v0.so",
 364     "data/test-diff-filter/libtest28-redundant-and-filtered-children-nodes-v1.so",
 365     "--no-default-suppression --no-linkage-name --redundant --no-show-locs --harmless",
 366    "data/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-1.txt",
 367     "output/test-diff-filter/test28-redundant-and-filtered-children-nodes-report-1.txt",
 368   },
 369   {
 370     "data/test-diff-filter/test29-finer-redundancy-marking-v0.o",
 371     "data/test-diff-filter/test29-finer-redundancy-marking-v1.o",
 372     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 373     "data/test-diff-filter/test29-finer-redundancy-marking-report-0.txt",
 374     "output/test-diff-filter/test29-finer-redundancy-marking-report-0.txt",
 375   },
 376   {
 377     "data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
 378     "data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
 379     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 380     "data/test-diff-filter/test30-pr18904-rvalueref-report0.txt",
 381     "output/test-diff-filter/test30-pr18904-rvalueref-report0.txt",
 382   },
 383   { // Just like the previous test, but emit loc info.
 384     "data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
 385     "data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
 386     "--no-default-suppression --no-linkage-name --no-redundant",
 387     "data/test-diff-filter/test30-pr18904-rvalueref-report1.txt",
 388     "output/test-diff-filter/test30-pr18904-rvalueref-report1.txt",
 389   },
 390   { // Just like the previous test, but emit sizes in hex and bytes
 391     "data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
 392     "data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
 393     "--no-default-suppression --no-linkage-name --no-redundant "
 394     "--show-hex --show-bytes",
 395     "data/test-diff-filter/test30-pr18904-rvalueref-report2.txt",
 396     "output/test-diff-filter/test30-pr18904-rvalueref-report2.txt",
 397   },
 398   {
 399     "data/test-diff-filter/test31-pr18535-libstdc++-4.8.3.so",
 400     "data/test-diff-filter/test31-pr18535-libstdc++-4.9.2.so",
 401     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 402     "data/test-diff-filter/test31-pr18535-libstdc++-report-0.txt",
 403     "output/test-diff-filter/test31-pr18535-libstdc++-report-0.txt",
 404   },
 405   { // Just like the previous test, but emit loc info.
 406     "data/test-diff-filter/test31-pr18535-libstdc++-4.8.3.so",
 407     "data/test-diff-filter/test31-pr18535-libstdc++-4.9.2.so",
 408     "--no-default-suppression --no-linkage-name --no-redundant",
 409     "data/test-diff-filter/test31-pr18535-libstdc++-report-1.txt",
 410     "output/test-diff-filter/test31-pr18535-libstdc++-report-1.txt",
 411   },
 412   {
 413     "data/test-diff-filter/libtest32-struct-change-v0.so",
 414     "data/test-diff-filter/libtest32-struct-change-v1.so",
 415     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 416     "data/test-diff-filter/test32-ppc64le-struct-change-report0.txt",
 417     "output/test-diff-filter/test32-ppc64le-struct-change-report0.txt",
 418   },
 419   {
 420     "data/test-diff-filter/test33-libelf.so.0.8.13-gcc",
 421     "data/test-diff-filter/test33-libelf.so.0.8.13-intel16.0.3",
 422     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 423     "data/test-diff-filter/test33-report-0.txt",
 424     "output/test-diff-filter/test33-report-0.txt",
 425   },
 426   {
 427     "data/test-diff-filter/test34-libjemalloc.so.2-gcc-6.1.0",
 428     "data/test-diff-filter/test34-libjemalloc.so.2-intel-16.0.3",
 429     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant",
 430     "data/test-diff-filter/test34-report-0.txt",
 431     "output/test-diff-filter/test34-report-0.txt",
 432   },
 433   {
 434     "data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
 435     "data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
 436     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant --no-added-syms",
 437     "data/test-diff-filter/test35-pr18754-no-added-syms-report-0.txt",
 438     "output/test-diff-filter/test35-pr18754-no-added-syms-report-0.txt",
 439   },
 440   {
 441     "data/test-diff-filter/test30-pr18904-rvalueref-liba.so",
 442     "data/test-diff-filter/test30-pr18904-rvalueref-libb.so",
 443     "--no-default-suppression --no-linkage-name --no-show-locs --no-redundant --deleted-fns --changed-vars --no-added-syms",
 444     "data/test-diff-filter/test35-pr18754-no-added-syms-report-1.txt",
 445     "output/test-diff-filter/test35-pr18754-no-added-syms-report-1.txt",
 446   },
 447   {
 448     "data/test-diff-filter/libtest36-v0.so",
 449     "data/test-diff-filter/libtest36-v1.so",
 450     "--no-default-suppression --no-linkage-name",
 451     "data/test-diff-filter/test36-report-0.txt",
 452     "output/test-diff-filter/test36-report-0.txt",
 453   },
 454   {
 455     "data/test-diff-filter/libtest37-v0.so",
 456     "data/test-diff-filter/libtest37-v1.so",
 457     "--no-default-suppression --no-linkage-name",
 458     "data/test-diff-filter/test37-report-0.txt",
 459     "output/test-diff-filter/test37-report-0.txt",
 460   },
 461   {
 462     "data/test-diff-filter/test38/test38-v0",
 463     "data/test-diff-filter/test38/test38-v1",
 464     "--no-default-suppression --no-linkage-name",
 465     "data/test-diff-filter/test38/test38-report-0.txt",
 466     "output/test-diff-filter/test38/test38-report-0.txt",
 467   },
 468   {
 469     "data/test-diff-filter/test39/test39-v0",
 470     "data/test-diff-filter/test39/test39-v1",
 471     "--no-default-suppression --no-linkage-name",
 472     "data/test-diff-filter/test39/test39-report-0.txt",
 473     "output/test-diff-filter/test39/test39-report-0.txt",
 474   },
 475   {
 476     "data/test-diff-filter/libtest40-v0.so",
 477     "data/test-diff-filter/libtest40-v1.so",
 478     "--no-default-suppression --no-linkage-name",
 479     "data/test-diff-filter/test40-report-0.txt",
 480     "output/test-diff-filter/test40-report-0.txt",
 481   },
 482   {
 483     "data/test-diff-filter/test41-PR21486-abg-writer.gcc.o",
 484     "data/test-diff-filter/test41-PR21486-abg-writer.llvm.o",
 485     "--no-default-suppression",
 486     "data/test-diff-filter/test41-report-0.txt",
 487     "output/test-diff-filter/test41-report-0.txt",
 488   },
 489   {
 490     "data/test-diff-filter/libtest42-leaf-report-v0.so",
 491     "data/test-diff-filter/libtest42-leaf-report-v1.so",
 492     "--no-default-suppression --leaf-changes-only --impacted-interfaces",
 493     "data/test-diff-filter/test42-leaf-report-output-0.txt",
 494     "output/test-diff-filter/test42-leaf-report-output-0.txt",
 495   },
 496   {
 497     "data/test-diff-filter/libtest43-decl-only-def-change-leaf-report-v0.so",
 498     "data/test-diff-filter/libtest43-decl-only-def-change-leaf-report-v1.so",
 499     "--no-default-suppression --leaf-changes-only",
 500     "data/test-diff-filter/test43-decl-only-def-change-leaf-report-0.txt",
 501     "output/test-diff-filter/test43-decl-only-def-change-leaf-report-0.txt",
 502   },
 503   {
 504     "data/test-diff-filter/libtest44-anonymous-data-member-v0.so",
 505     "data/test-diff-filter/libtest44-anonymous-data-member-v1.so",
 506     "--no-default-suppression",
 507     "data/test-diff-filter/test44-anonymous-data-member-report-0.txt",
 508     "output/test-diff-filter/test44-anonymous-data-member-report-0.txt",
 509   },
 510   {
 511     "data/test-diff-filter/libtest44-anonymous-data-member-v0.so",
 512     "data/test-diff-filter/libtest44-anonymous-data-member-v1.so",
 513     "--no-default-suppression --leaf-changes-only",
 514     "data/test-diff-filter/test44-anonymous-data-member-report-1.txt",
 515     "output/test-diff-filter/test44-anonymous-data-member-report-1.txt",
 516   },
 517   {
 518     "data/test-diff-filter/libtest45-basic-type-change-v0.so",
 519     "data/test-diff-filter/libtest45-basic-type-change-v1.so",
 520     "--no-default-suppression",
 521     "data/test-diff-filter/libtest45-basic-type-change-report-0.txt",
 522     "output/test-diff-filter/libtest45-basic-type-change-report-0.txt",
 523   },
 524   {
 525     "data/test-diff-filter/libtest45-basic-type-change-v0.so",
 526     "data/test-diff-filter/libtest45-basic-type-change-v1.so",
 527     "--no-default-suppression --leaf-changes-only",
 528     "data/test-diff-filter/libtest45-basic-type-change-report-1.txt",
 529     "output/test-diff-filter/libtest45-basic-type-change-report-1.txt",
 530   },
 531   {
 532     "data/test-diff-filter/test46-fn-return-qual-change-v0.o",
 533     "data/test-diff-filter/test46-fn-return-qual-change-v1.o",
 534     "--no-default-suppression",
 535     "data/test-diff-filter/test46-fn-return-qual-change-report-0.txt",
 536     "output/test-diff-filter/test46-fn-return-qual-change-report-0.txt",
 537   },
 538   {
 539     "data/test-diff-filter/test47-filter-void-ptr-change-v0.o",
 540     "data/test-diff-filter/test47-filter-void-ptr-change-v1.o",
 541     "--no-default-suppression",
 542     "data/test-diff-filter/test47-filter-void-ptr-change-report-0.txt",
 543     "output/test-diff-filter/test47-filter-void-ptr-change-report-0.txt",
 544   },
 545   {
 546     "data/test-diff-filter/PR24430-fold-qualified-array-clang",
 547     "data/test-diff-filter/PR24430-fold-qualified-array-gcc",
 548     "--no-default-suppression",
 549     "data/test-diff-filter/PR24430-fold-qualified-array-report-0.txt",
 550     "output/test-diff-filter/PR24430-fold-qualified-array-report-0.txt",
 551   },
 552   {
 553     "data/test-diff-filter/test-PR24731-v0.o ",
 554     "data/test-diff-filter/test-PR24731-v1.o ",
 555     "--no-default-suppression",
 556     "data/test-diff-filter/test-PR24731-report-0.txt",
 557     "output/test-diff-filter/test-PR24731-report-0.txt",
 558   },
 559   // This should be the last entry
 560   {NULL, NULL, NULL, NULL, NULL}
 561 };
 562
 563 /// A task which launches abidiff on the binaries passed to the
 564 /// constructor of the task.  The test also launches gnu diff on the
 565 /// result of the abidiff to compare it against a reference abidiff
 566 /// result.
 567 struct test_task : public abigail::workers::task
 568 {
 569   InOutSpec spec;
 570   bool is_ok;
 571   string diff_cmd;
 572   string error_message;
 573
 574   test_task(const InOutSpec& s)
 575     : spec(s),
 576       is_ok(true)
 577   {}
 578
 579   /// This virtual function overload actually performs the job of the
 580   /// task.
 581   ///
 582   /// It actually launches abidiff on the binaries passed to the
 583   /// constructor of the task.  It also launches gnu diff on the
 584   /// result of the abidiff to compare it against a reference abidiff
 585   /// result.
 586   virtual void
 587   perform()
 588   {
 589     using abigail::tests::get_src_dir;
 590     using abigail::tests::get_build_dir;
 591     using abigail::tools_utils::ensure_parent_dir_created;
 592     using abigail::tools_utils::abidiff_status;
 593
 594     string in_elfv0_path, in_elfv1_path,
 595       abidiff_options, abidiff, cmd,
 596       ref_diff_report_path, out_diff_report_path;
 597
 598     in_elfv0_path = string(get_src_dir()) + "/tests/" + spec.in_elfv0_path;
 599     in_elfv1_path = string(get_src_dir()) + "/tests/" + spec.in_elfv1_path;
 600     abidiff_options = spec.abidiff_options;
 601     ref_diff_report_path =
 602       string(get_src_dir()) + "/tests/" + spec.in_report_path;
 603     out_diff_report_path =
 604       string(get_build_dir()) + "/tests/" + spec.out_report_path;
 605
 606     if (!ensure_parent_dir_created(out_diff_report_path))
 607       {
 608         error_message = string("could not create parent directory for ")
 609           + out_diff_report_path;
 610         is_ok = false;
 611         return;
 612       }
 613
 614     abidiff = string(get_build_dir()) + "/tools/abidiff";
 615     abidiff += " " + abidiff_options;
 616
 617     cmd = abidiff + " " + in_elfv0_path + " " + in_elfv1_path;
 618     cmd += " > " + out_diff_report_path;
 619
 620     bool abidiff_ok = true;
 621     int code = system(cmd.c_str());
 622     if (!WIFEXITED(code))
 623       abidiff_ok = false;
 624     else
 625       {
 626         abidiff_status status =
 627           static_cast<abidiff_status>(WEXITSTATUS(code));
 628         if (abigail::tools_utils::abidiff_status_has_error(status))
 629           abidiff_ok = false;
 630       }
 631
 632     if (abidiff_ok)
 633       {
 634         cmd = "diff -u " + ref_diff_report_path
 635           + " " + out_diff_report_path;
 636
 637         string cmd_no_out = cmd + " > /dev/null";
 638         if (system(cmd_no_out.c_str()))
 639           {
 640             is_ok = false;
 641             diff_cmd = cmd;
 642           }
 643       }
 644     else
 645       is_ok = false;
 646   }
 647 }; //end struct test_task.
 648
 649 /// A convenience typedef for shared
 650 typedef shared_ptr<test_task> test_task_sptr;
 651
 652 int
 653 main()
 654 {
 655   using std::vector;
 656   using std::tr1::dynamic_pointer_cast;
 657   using abigail::workers::queue;
 658   using abigail::workers::task;
 659   using abigail::workers::task_sptr;
 660   using abigail::workers::get_number_of_threads;
 661
 662   /// Create a task queue.  The max number of worker threads of the
 663   /// queue is the number of the concurrent threads supported by the
 664   /// processor of the machine this code runs on.
 665   const size_t num_tests = sizeof(in_out_specs) / sizeof (InOutSpec) - 1;
 666   size_t num_workers = std::min(get_number_of_threads(), num_tests);
 667   queue task_queue(num_workers);
 668
 669   bool is_ok = true;
 670
 671   for (InOutSpec* s = in_out_specs; s->in_elfv0_path; ++s)
 672     {
 673       test_task_sptr t(new test_task(*s));
 674       ABG_ASSERT(task_queue.schedule_task(t));
 675     }
 676
 677   /// Wait for all worker threads to finish their job, and wind down.
 678   task_queue.wait_for_workers_to_complete();
 679
 680   // Now walk the results and print whatever error messages need to be
 681   // printed.
 682
 683   const vector<task_sptr>& completed_tasks =
 684     task_queue.get_completed_tasks();
 685
 686   ABG_ASSERT(completed_tasks.size() == num_tests);
 687
 688   for (vector<task_sptr>::const_iterator ti = completed_tasks.begin();
 689        ti != completed_tasks.end();
 690        ++ti)
 691     {
 692       test_task_sptr t = dynamic_pointer_cast<test_task>(*ti);
 693       if (!t->is_ok)
 694         {
 695           is_ok = false;
 696           if (!t->diff_cmd.empty())
 697             system(t->diff_cmd.c_str());
 698           if (!t->error_message.empty())
 699             cerr << t->error_message << '\n';
 700         }
 701     }
 702
 703   return !is_ok;
 704 }