1 # Expect script for ld-plugin LTO tests 2 # Copyright (C) 2011-2014 Free Software Foundation, Inc. 3 # 4 # This file is part of the GNU Binutils. 5 # 6 # This program is free software; you can redistribute it and/or modify 7 # it under the terms of the GNU General Public License as published by 8 # the Free Software Foundation; either version 3 of the License, or 9 # (at your option) any later version. 10 # 11 # This program is distributed in the hope that it will be useful, 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 # GNU General Public License for more details. 15 # 16 # You should have received a copy of the GNU General Public License 17 # along with this program; if not, write to the Free Software 18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 # MA 02110-1301, USA. 20 21 # These tests require plugin and LTO. 22 if { ![check_plugin_api_available] 23 || ![check_lto_available] } { 24 return 25 } 26 27 global CFLAGS 28 global CXXFLAGS 29 set saved_CFLAGS "$CFLAGS" 30 set saved_CXXFLAGS "$CXXFLAGS" 31 regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CFLAGS "" CFLAGS 32 regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CXXFLAGS "" CXXFLAGS 33 34 proc restore_notify { } { 35 global saved_CFLAGS 36 global saved_CXXFLAGS 37 set CFLAGS "$saved_CFLAGS" 38 set CXXFLAGS "$saved_CXXFLAGS" 39 } 40 41 set plugin_names { 42 liblto_plugin.so 43 liblto_plugin-0.dll 44 cyglto_plugin-0.dll 45 } 46 set plug_opt "" 47 foreach plug $plugin_names { 48 set plug_so [run_host_cmd $CC "--print-prog-name $plug"] 49 if { $plug_so eq $plug } then { 50 set plug_so [run_host_cmd $CC "--print-file-name $plug"] 51 } 52 if { $plug_so ne $plug } then { 53 set plug_opt "--plugin $plug_so" 54 break 55 } 56 } 57 set lto_fat "" 58 if { [check_lto_fat_available] } { 59 set lto_fat "-ffat-lto-objects" 60 } 61 62 # Simple LTO tests and generate input files for complex LTO tests. 63 set lto_link_tests [list \ 64 [list "LTO 1" \ 65 "-O2 -flto -fuse-linker-plugin" "-flto -fuse-linker-plugin" \ 66 {lto-1a.c lto-1b.c} {} "lto-1.exe"] \ 67 [list "Compile 2" \ 68 "" "-O2 -flto -fuse-linker-plugin" \ 69 {lto-2.c} {} ""] \ 70 [list "LTO 2" \ 71 "-static -O2 -flto -fuse-linker-plugin tmpdir/lto-2.o -lm" "" \ 72 {dummy.c} {} "lto-2.exe"] \ 73 [list "Compile 3a" \ 74 "" "-flto" \ 75 {lto-3a.c} {} ""] \ 76 [list "Compile 3c" \ 77 "" "-O2" \ 78 {lto-3c.c} {} ""] \ 79 [list "Build liblto-3.a" \ 80 "" "-flto $lto_fat" \ 81 {lto-3b.c} {} "liblto-3.a"] \ 82 [list "Compile 5a" \ 83 "" "-flto $lto_fat" \ 84 {lto-5a.c} {} ""] \ 85 [list "Compile 5b" \ 86 "" "-flto $lto_fat" \ 87 {lto-5b.c} {} ""] \ 88 [list "LTO 6" \ 89 "-O2 -flto -fuse-linker-plugin" "" \ 90 {lto-6.c} {} "lto-6.exe" "c"] \ 91 [list "Compile 9" \ 92 "" "-O2 -finline -flto" \ 93 {lto-9.cc} {} "" "c++"] \ 94 [list "Compile 11a" \ 95 "" "-O -flto" \ 96 {lto-11a.c} {} ""] \ 97 [list "Compile 11b" \ 98 "" "-O -flto" \ 99 {lto-11b.c} {} ""] \ 100 [list "Compile 11c" \ 101 "" "-O" \ 102 {lto-11c.c} {} ""] \ 103 [list "Build liblto-12.a" \ 104 "$plug_opt" "-O2 -flto" \ 105 {lto-12c.c} {} "liblto-12.a"] \ 106 [list "Compile 12" \ 107 "" "-O2 -flto" \ 108 {lto-12a.c lto-12b.c} {} ""] \ 109 [list "Compile 13" \ 110 "" "-O2 -flto" \ 111 {lto-13a.c lto-13b.c} {} ""] \ 112 [list "Build liblto-13.a" \ 113 "" "-O2" \ 114 {lto-13c.c} {} "liblto-13.a"] \ 115 [list "Compile 14a" \ 116 "" "-flto" \ 117 {lto-14a.c lto-14b.c} {} ""] \ 118 [list "Build liblto-14.a" \ 119 "$plug_opt" "-flto" \ 120 {lto-14c.c} {} "liblto-14.a"] \ 121 [list "Compile 15a" \ 122 "" "-flto" \ 123 {lto-15a.c} {} ""] \ 124 [list "Build liblto-15.a" \ 125 "$plug_opt" "-flto" \ 126 {lto-15b.c} {} "liblto-15.a"] \ 127 [list "PR ld/12696" \ 128 "-O2 -flto -fuse-linker-plugin -r -nostdlib" "-O2 -flto" \ 129 {pr12696-1.cc} {} "pr12696-1r.o" "c++"] \ 130 [list "Compile PR ld/12758" \ 131 "" "" \ 132 {pr12758a.s} {} ""] \ 133 [list "Build libpr12758.a" \ 134 "" "-flto -O2 $lto_fat" \ 135 {pr12758b.c} {} "libpr12758.a"] \ 136 [list "PR ld/12758" \ 137 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" \ 138 {dummy.c} {} "pr12758.exe"] \ 139 [list "Compile PR ld/12760" \ 140 "" "-g -O0" \ 141 {pr12760a.c} {} ""] \ 142 [list "Build libpr12760.a" \ 143 "" "-flto -O2 $lto_fat" \ 144 {pr12760b.c} {} "libpr12760.a"] \ 145 [list "PR ld/12760" \ 146 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" \ 147 {dummy.c} {} "pr12760.exe" "c" "pr12760a.c:6: warning: Bad bar"] \ 148 [list "Build libpr13183.a" \ 149 "-T" "-flto -O2 $lto_fat" \ 150 {pr13183a.c} {} "libpr13183.a"] \ 151 [list "Compile PR ld/13183" \ 152 "" "-flto -O2" \ 153 {pr13183b.c} {} ""] \ 154 [list "Compile PR ld/13201" \ 155 "" "-flto -O2" \ 156 {pr13201.c} {} ""] \ 157 [list "PR ld/13287" \ 158 "-flto -fuse-linker-plugin -Wl,--as-needed" "-flto" \ 159 {pr13287.cc} {} "pr13287.exe" "c++"] \ 160 [list "PR ld/15323" \ 161 "" "-O2" \ 162 {pr15323a.c} {} "" "c"] \ 163 [list "Compile(1) PR ld/pr16846" \ 164 "" "-flto" \ 165 {pr16846a.c pr16846b.c} {} ""] \ 166 [list "Compile(2) PR ld/pr16846" \ 167 "" "" \ 168 {pr16846c.c} {} ""] \ 169 [list "PR ld/pr16846(1)" \ 170 "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846b.o tmpdir/pr16846c.o" "" \ 171 {dummy.c} {} "pr16846a.exe"] \ 172 [list "PR ld/pr16846(2)" \ 173 "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846c.o tmpdir/pr16846b.o" "" \ 174 {dummy.c} {} "pr16846b.exe"] \ 175 ] 176 177 if { [at_least_gcc_version 4 7] } { 178 set lto_link_tests [concat $lto_link_tests [list \ 179 [list "Compile PR ld/12942 (1)" \ 180 "" "-flto -O2" \ 181 {pr12942a.cc pr12942c.cc} {} "" "c++"] \ 182 [list "Compile PR ld/12942 (2)" \ 183 "" "-O0" \ 184 {pr12942b.cc} {} "" "c++"] \ 185 ]] 186 } 187 188 # Generate input files for complex LTO tests for ELF. 189 set lto_link_elf_tests [list \ 190 [list "Compile 7" \ 191 "" "-flto -O2" \ 192 {lto-7a.c lto-7b.c lto-7c.c} {} ""] \ 193 [list "Build liblto-7.so" \ 194 "-shared" "-O2 -fpic" \ 195 {lto-7d.c} {} "liblto-7.so" "c"] \ 196 [list "Compile 8a" \ 197 "" "-O2" \ 198 {lto-8a.c} {} ""] \ 199 [list "Compile 8b" \ 200 "" "-flto -O2" \ 201 {lto-8b.c} {} ""] \ 202 [list "Build liblto-17a.so" \ 203 "-shared -O2 -fpic -flto -fuse-linker-plugin" "-O2 -fpic -flto" \ 204 {lto-17a.c} {{"nm" {} "lto-17a.d"}} "liblto-17a.so" "c"] \ 205 [list "Build liblto-17b.so 1" \ 206 "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \ 207 {lto-17b.c} {{"nm" {} "lto-17b-1.d"}} "liblto-17b.so"] \ 208 [list "Build liblto-17b.so 2" \ 209 "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \ 210 {lto-17b.c} {{"nm" {} "lto-17b-2.d"}} "liblto-17b.so"] \ 211 [list "PR ld/12982" \ 212 "-O2 -flto -fuse-linker-plugin" "-O2 -flto" \ 213 {pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"] \ 214 [list "PR ld/12975" \ 215 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib -Wl,-version-script,pr12975.t" "-O2 -flto" \ 216 {pr12975.c} {{"readelf" {-s --wide} "pr12975.d"}} "pr12975.so" "c"] \ 217 [list "PR ld/13229" \ 218 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -finline -fno-early-inlining -flto" \ 219 {pr13229.cc} {{"readelf" {-s --wide} "pr13229.d"}} "pr13229.so" "c++"] \ 220 [list "PR ld/13244" \ 221 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto" \ 222 {pr13244.c} {{"readelf" {-s --wide} "pr13244.d"}} "pr13244.so" "c"] \ 223 [list "Build libpr15146a.a" \ 224 "$plug_opt" "-flto -O2" \ 225 {pr15146a.c} {} "lib15146a.a"] \ 226 [list "Build pr15146b.so" \ 227 "-shared" "-O2 -fpic" \ 228 {pr15146b.c} {} "pr15146b.so" "c"] \ 229 [list "Build pr15146c.so" \ 230 "-shared -Wl,--no-as-needed tmpdir/pr15146b.so" "-O2 -fpic" \ 231 {pr15146c.c} {} "pr15146c.so" "c"] \ 232 [list "PR ld/15146 (1)" \ 233 "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146a.o tmpdir/pr15146c.so" "" \ 234 {dummy.c} {{"readelf" {-d} "pr15146.d"}} "pr15146a.exe"] \ 235 [list "Build libpr15146d.a" \ 236 "$plug_opt" "-flto -O2" \ 237 {pr15146d.c} {} "lib15146d.a"] \ 238 [list "Build libpr16746a.a" \ 239 "" "" \ 240 {pr16746a.c pr16746b.c} {} "lib15146a.a"] \ 241 [list "Build libpr16746b.a" \ 242 "$plug_opt" "-O2 -flto" \ 243 {pr16746c.c pr16746d.c} {} "lib15146b.a"] \ 244 [list "PR ld/16746 (1)" \ 245 "-O2 -flto -fuse-linker-plugin tmpdir/pr16746a.o tmpdir/pr16746c.o" "-O2 -flto" \ 246 {dummy.c} {} "pr16746a.exe"] \ 247 [list "PR ld/16746 (2)" \ 248 "-O2 -flto -fuse-linker-plugin tmpdir/pr16746c.o tmpdir/pr16746a.o" "-O2 -flto" \ 249 {dummy.c} {} "pr16746b.exe"] \ 250 ] 251 252 # Check final symbols in executables. 253 set lto_link_symbol_tests [list \ 254 [list "LTO 3 symbol" \ 255 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \ 256 {dummy.c} {{"nm" {} "lto-3.d"}} "lto-3.exe" "c"] \ 257 [list "LTO 5 symbol" \ 258 "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \ 259 {dummy.c} {{"nm" {} "lto-5.d"}} "lto-5.exe" "c"] \ 260 [list "LTO 9 symbol" \ 261 "-O2 -flto -fuse-linker-plugin tmpdir/lto-9.o" "" \ 262 {dummy.c} {{"nm" {-C} "lto-9.d"}} "lto-9.exe" "c++"] \ 263 [list "LTO 16a symbol" \ 264 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin" "-flto" \ 265 {lto-16a.c} {{"nm" {} "lto-16a.d"}} "lto-16.exe" "c"] \ 266 [list "LTO 16b symbol" \ 267 "-O2 -Wl,-e,foo -u bar -nostdlib -flto -fuse-linker-plugin" "-flto" \ 268 {lto-16a.c lto-16b.c} {{"nm" {} "lto-16b.d"}} "lto-16b.exe" "c"] \ 269 [list "PR ld/13183" \ 270 "-O2 -flto -fuse-linker-plugin tmpdir/pr13183b.o tmpdir/libpr13183.a" "" \ 271 {dummy.c} {{"nm" {} "pr13183.d"}} "pr13183.exe" "c"] \ 272 ] 273 274 # LTO run-time tests. 275 set lto_run_tests [list \ 276 [list "LTO 3a" \ 277 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \ 278 {dummy.c} "lto-3b.exe" "lto-3.out" "" "c"] \ 279 [list "LTO 3b" \ 280 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/lto-3.o" "" \ 281 {dummy.c} "lto-3c.exe" "lto-3.out" "" "c"] \ 282 [list "LTO 3c" \ 283 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" "" \ 284 {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"] \ 285 [list "LTO 5" \ 286 "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \ 287 {dummy.c} "lto-5.exe" "lto-5.out" "" "c"] \ 288 [list "LTO 11" \ 289 "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" "" \ 290 {dummy.c} "lto-11.exe" "lto-11.out" "" "c"] \ 291 [list "LTO 12a" \ 292 "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/liblto-12.a tmpdir/lto-12b.o" "" \ 293 {dummy.c} "lto-12a.exe" "lto-12.out" "" "c"] \ 294 [list "LTO 12b" \ 295 "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/lto-12b.o tmpdir/liblto-12.a" "" \ 296 {dummy.c} "lto-12b.exe" "lto-12.out" "" "c"] \ 297 [list "LTO 13" \ 298 "-O -flto -fuse-linker-plugin tmpdir/lto-13a.o tmpdir/liblto-13.a tmpdir/lto-13b.o" "" \ 299 {dummy.c} "lto-13.exe" "lto-13.out" "" "c"] \ 300 [list "LTO 14" \ 301 "-O2 -flto -fuse-linker-plugin tmpdir/lto-14a.o -Wl,--whole-archive tmpdir/liblto-14.a -Wl,--no-whole-archive tmpdir/lto-14b.o" "" \ 302 {dummy.c} "lto-14.exe" "lto-14.out" "" "c"] \ 303 [list "LTO 15" \ 304 "-O2 -flto -fuse-linker-plugin -Wl,--start-group tmpdir/liblto-15.a tmpdir/lto-15a.o -Wl,--end-group" "" \ 305 {dummy.c} "lto-15.exe" "lto-15.out" "" "c"] \ 306 [list "PR ld/13066" \ 307 "-O2 -flto -fuse-linker-plugin" "" \ 308 {pr13066.cc} "pr13066.exe" "pr13066.out" "" "c++"] \ 309 [list "PR ld/13201" \ 310 "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" "" \ 311 {dummy.c} "pr13201.exe" "pr13201.out" "" "c"] \ 312 [list "PR ld/15323" \ 313 "-O2 -flto -fuse-linker-plugin tmpdir/pr15323a.o" "" \ 314 {pr15323b.c} "pr15323.exe" "pr15323.out" "-flto -O2" "c"] \ 315 ] 316 317 if { [at_least_gcc_version 4 7] } { 318 set lto_run_tests [concat $lto_run_tests [list \ 319 [list "PR ld/12942 (1)" \ 320 "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942b.o" "" \ 321 {dummy.c} "pr12942a.exe" "pr12942.out" "" "c++"] \ 322 [list "PR ld/12942 (2)" \ 323 "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942c.o" "" \ 324 {dummy.c} "pr12942c.exe" "pr12942.out" "" "c++"] \ 325 ]] 326 } 327 328 # LTO run-time tests for ELF 329 set lto_run_elf_tests [list \ 330 [list "LTO 7" \ 331 "-O2 -flto -fuse-linker-plugin tmpdir/lto-7b.o tmpdir/lto-7c.o tmpdir/lto-7a.o -Wl,--no-as-needed tmpdir/liblto-7.so" "" \ 332 {dummy.c} "lto-7.exe" "lto-7.out" "" "c"] \ 333 [list "LTO 8" \ 334 "-O2 -flto -fuse-linker-plugin tmpdir/lto-8b.o tmpdir/lto-8a.o" "" \ 335 {dummy.c} "lto-8.exe" "lto-8.out" "" "c"] \ 336 [list "LTO TLS IE" \ 337 "-O2 -flto -fuse-linker-plugin" "" \ 338 {run-ie.c} "run-ie.exe" "run-ie.out" "" "c"] \ 339 ] 340 341 run_cc_link_tests $lto_link_tests 342 343 # Restrict these to ELF targets that support shared libs and PIC. 344 if { [is_elf_format] && [check_lto_shared_available] } { 345 run_cc_link_tests $lto_link_elf_tests 346 set testname "PR ld/15146 (2)" 347 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146d.o tmpdir/pr15146c.so"] 348 if { [ regexp "undefined reference to symbol 'xxx'" $exec_output ] } { 349 pass $testname 350 } { 351 fail $testname 352 } 353 set testname "PR ld/16746 (3)" 354 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746b.o tmpdir/pr16746d.o"] 355 if { [ regexp "warning: foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } { 356 pass $testname 357 } { 358 fail $testname 359 } 360 set testname "PR ld/16746 (4)" 361 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746d.o tmpdir/pr16746b.o"] 362 if { [ regexp "warning: foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } { 363 pass $testname 364 } { 365 fail $testname 366 } 367 } 368 369 set testname "Build liblto-11.a" 370 remote_file host delete "tmpdir/liblto-11.a" 371 set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"] 372 if {![string match "" $catch_output]} { 373 unresolved $testname 374 restore_notify 375 return 376 } 377 378 if { [at_least_gcc_version 4 7] } { 379 # Check expected LTO linker errors. 380 set testname "PR ld/12942 (3)" 381 set exec_output [run_host_cmd "$CXX" "-O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"] 382 if { [ regexp "undefined reference to `link_error\\(\\)'" $exec_output ] } { 383 pass $testname 384 } { 385 fail $testname 386 } 387 } 388 389 # Run "ld -r" to generate inputs for complex LTO tests. 390 run_dump_test "lto-3r" 391 remote_exec host "mv" "tmpdir/dump tmpdir/lto-3.o" 392 run_dump_test "lto-5r" 393 remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o" 394 395 run_cc_link_tests $lto_link_symbol_tests 396 397 # The following tests require running the executable generated by ld. 398 if ![isnative] { 399 return 400 } 401 402 run_ld_link_exec_tests [] $lto_run_tests 403 404 if { [is_elf_format] } { 405 run_ld_link_exec_tests [] $lto_run_elf_tests 406 } 407 408 restore_notify 409
