1 # Expect script for ld-weak tests 2 # Copyright (C) 2001-2014 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 # Written by H.J. Lu (hjl (at) gnu.org) 22 # Eric Youngdale (eric (at) andante.jic.com) 23 # 24 25 # This test can only be run if ld generates native executables. 26 if ![isnative] then {return} 27 28 # This test can only be run on a couple of ELF platforms. 29 # Square bracket expressions seem to confuse istarget. 30 # This is similar to the test that is used in ld-shared, BTW. 31 if { ![istarget alpha*-*-linux*] 32 && ![istarget arm*-*-linux*] 33 && ![istarget hppa*64*-*-hpux*] 34 && ![istarget hppa*-*-linux*] 35 && ![istarget i?86-*-sysv4*] 36 && ![istarget i?86-*-unixware] 37 && ![istarget i?86-*-elf*] 38 && ![istarget i?86-*-linux*] 39 && ![istarget i?86-*-gnu*] 40 && ![istarget ia64-*-elf*] 41 && ![istarget ia64-*-linux*] 42 && ![istarget m68k-*-linux*] 43 && ![istarget mips*-*-irix5*] 44 && ![istarget mips*-*-linux*] 45 && ![istarget powerpc*-*-elf*] 46 && ![istarget powerpc*-*-linux*] 47 && ![istarget powerpc*-*-sysv4*] 48 && ![istarget sh\[34\]*-*-linux*] 49 && ![istarget sparc*-*-elf] 50 && ![istarget sparc*-*-solaris2*] 51 && ![istarget sparc*-*-linux*] 52 && ![istarget x86_64-*-linux*] 53 && ![istarget *-*-nacl*] } { 54 return 55 } 56 57 if { [istarget *-*-linux*aout*] 58 || [istarget *-*-linux*oldld*] } { 59 return 60 } 61 62 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { 63 return 64 } 65 66 set diff diff 67 set tmpdir tmpdir 68 set DOBJDUMP_FLAGS --dynamic-syms 69 set SOBJDUMP_FLAGS --syms 70 set shared "--shared -Wl,--no-as-needed" 71 72 73 # 74 # objdump_symstuff 75 # Dump non-dynamic symbol stuff and make sure that it is sane. 76 # 77 proc objdump_symstuff { objdump object expectfile } { 78 global SOBJDUMP_FLAGS 79 global version_output 80 global diff 81 global tmpdir 82 83 if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" } 84 85 verbose -log "$objdump $SOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" 86 87 catch "exec $objdump $SOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" exec_output 88 set exec_output [prune_warnings $exec_output] 89 if [string match "" $exec_output] then { 90 91 # Now do a line-by-line comparison to effectively diff the darned things 92 # The stuff coming from the expectfile is actually a regex, so we can 93 # skip over the actual addresses and so forth. This is currently very 94 # simpleminded - it expects a one-to-one correspondence in terms of line 95 # numbers. 96 97 if [file exists $expectfile] then { 98 set file_a [open $expectfile r] 99 } else { 100 perror "$expectfile doesn't exist" 101 return 0 102 } 103 104 if [file exists $tmpdir/objdump.out] then { 105 set file_b [open $tmpdir/objdump.out r] 106 } else { 107 perror "$tmpdir/objdump.out doesn't exist" 108 return 0 109 } 110 111 verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2 112 113 set eof -1 114 set differences 0 115 116 while { [gets $file_a line] != $eof } { 117 if [regexp "^#.*$" $line] then { 118 continue 119 } else { 120 lappend list_a $line 121 } 122 } 123 close $file_a 124 125 while { [gets $file_b line] != $eof } { 126 if [regexp "^#.*$" $line] then { 127 continue 128 } else { 129 lappend list_b $line 130 } 131 } 132 close $file_b 133 134 for { set i 0 } { $i < [llength $list_a] } { incr i } { 135 set line_a [lindex $list_a $i] 136 set line_b [lindex $list_b $i] 137 138 139 verbose "\t$expectfile: $i: $line_a" 3 140 verbose "\t/tmp/objdump.out: $i: $line_b" 3 141 if [regexp $line_a $line_b] then { 142 continue 143 } else { 144 verbose -log "\t$expectfile: $i: $line_a" 145 verbose -log "\t$tmpdir/objdump.out: $i: $line_b" 146 147 return 0 148 } 149 } 150 151 if { [llength $list_a] != [llength $list_b] } { 152 verbose -log "Line count" 153 return 0 154 } 155 156 if $differences<1 then { 157 return 1 158 } 159 160 return 0 161 } else { 162 verbose -log "$exec_output" 163 return 0 164 } 165 166 } 167 168 # 169 # objdump_dymsymstuff 170 # Dump dynamic symbol stuff and make sure that it is sane. 171 # 172 proc objdump_dynsymstuff { objdump object expectfile } { 173 global DOBJDUMP_FLAGS 174 global version_output 175 global diff 176 global tmpdir 177 178 if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" } 179 180 verbose -log "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" 181 182 catch "exec $objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" exec_output 183 set exec_output [prune_warnings $exec_output] 184 if [string match "" $exec_output] then { 185 186 # Now do a line-by-line comparison to effectively diff the darned things 187 # The stuff coming from the expectfile is actually a regex, so we can 188 # skip over the actual addresses and so forth. This is currently very 189 # simpleminded - it expects a one-to-one correspondence in terms of line 190 # numbers. 191 192 if [file exists $expectfile] then { 193 set file_a [open $expectfile r] 194 } else { 195 warning "$expectfile doesn't exist" 196 return 0 197 } 198 199 if [file exists $tmpdir/objdump.out] then { 200 set file_b [open $tmpdir/objdump.out r] 201 } else { 202 fail "$tmpdir/objdump.out doesn't exist" 203 return 0 204 } 205 206 verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2 207 208 set eof -1 209 set differences 0 210 211 while { [gets $file_a line] != $eof } { 212 if [regexp "^#.*$" $line] then { 213 continue 214 } else { 215 lappend list_a $line 216 } 217 } 218 close $file_a 219 220 while { [gets $file_b line] != $eof } { 221 if [regexp "^#.*$" $line] then { 222 continue 223 } else { 224 lappend list_b $line 225 } 226 } 227 close $file_b 228 229 for { set i 0 } { $i < [llength $list_b] } { incr i } { 230 set line_b [lindex $list_b $i] 231 232 # The tests are rigged so that we should never export a symbol with the 233 # word 'hide' in it. Thus we just search for it, and bail if we find it. 234 if [regexp "hide" $line_b] then { 235 verbose -log "\t$tmpdir/objdump.out: $i: $line_b" 236 237 return 0 238 } 239 240 verbose "\t$expectfile: $i: $line_b" 3 241 242 # We can't assume that the sort is consistent across 243 # systems, so we must check each regexp. When we find a 244 # regexp, we null it out, so we don't match it twice. 245 for { set j 0 } { $j < [llength $list_a] } { incr j } { 246 set line_a [lindex $list_a $j] 247 248 if [regexp $line_a $line_b] then { 249 lreplace $list_a $j $j "CAN NOT MATCH" 250 break 251 } 252 } 253 254 if { $j >= [llength $list_a] } { 255 verbose -log "\t$tmpdir/objdump.out: $i: $line_b" 256 257 return 0 258 } 259 } 260 261 if { [llength $list_a] != [llength $list_b] } { 262 verbose -log "Line count" 263 return 0 264 } 265 266 if $differences<1 then { 267 return 1 268 } 269 270 return 0 271 } else { 272 verbose -log "$exec_output" 273 return 0 274 } 275 276 } 277 278 proc build_lib {test libname objs dynsymexp} { 279 global CC 280 global objdump 281 global tmpdir 282 global shared 283 global srcdir 284 global subdir 285 286 set files "" 287 foreach obj $objs { 288 set files "$files $tmpdir/$obj" 289 } 290 291 if {![ld_simple_link $CC $tmpdir/$libname.so "$shared $files"]} { 292 fail $test 293 return 294 } 295 296 if {![string match "" $dynsymexp] 297 && ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} { 298 fail $test 299 return 300 } 301 pass $test 302 } 303 304 proc build_exec { test execname objs flags dat dynsymexp symexp} { 305 global CC 306 global objdump 307 global tmpdir 308 global srcdir 309 global subdir 310 global exec_output 311 312 set files "" 313 foreach obj $objs { 314 set files "$files $tmpdir/$obj" 315 } 316 317 if {![ld_simple_link $CC $tmpdir/$execname "$flags $files"]} { 318 fail "$test" 319 return 320 } 321 322 if {![string match "" $dynsymexp]} then { 323 if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} { 324 fail $test 325 return 326 } 327 } 328 329 if {![string match "" $symexp]} then { 330 if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} { 331 fail $test 332 return 333 } 334 } 335 336 # Run the resulting program 337 send_log "$tmpdir/$execname >$tmpdir/$execname.out\n" 338 verbose "$tmpdir/$execname >$tmpdir/$execname.out" 339 catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output 340 if ![string match "" $exec_output] then { 341 send_log "$exec_output\n" 342 verbose "$exec_output" 343 fail $test 344 return 345 } 346 347 send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n" 348 verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" 349 catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output 350 set exec_output [prune_warnings $exec_output] 351 352 if {![string match "" $exec_output]} then { 353 send_log "$exec_output\n" 354 verbose "$exec_output" 355 fail $test 356 return 357 } 358 359 pass $test 360 } 361 362 # Old version of GCC for MIPS default to enabling -fpic 363 # and get confused if it is used on the command line. 364 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then { 365 set picflag "" 366 } else { 367 # Unfortunately, the gcc argument is -fpic and the cc argument is 368 # -KPIC. We have to try both. 369 set picflag "-fpic" 370 send_log "$CC $picflag\n" 371 verbose "$CC $picflag" 372 catch "exec $CC $picflag" exec_output 373 send_log "$exec_output\n" 374 verbose "--" "$exec_output" 375 if { [string match "*illegal option*" $exec_output] 376 || [string match "*option ignored*" $exec_output] 377 || [string match "*unrecognized option*" $exec_output] 378 || [string match "*passed to ld*" $exec_output] } { 379 if [istarget *-*-sunos4*] { 380 set picflag "-pic" 381 } else { 382 set picflag "-KPIC" 383 } 384 } 385 } 386 verbose "Using $picflag to compile PIC code" 387 388 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o] { 389 unresolved "ELF weak" 390 return 391 } 392 393 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o] { 394 unresolved "ELF weak" 395 return 396 } 397 398 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o] { 399 unresolved "ELF weak" 400 return 401 } 402 403 if {![ld_simple_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]} { 404 fail "ELF weak" 405 return 406 } 407 408 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o] { 409 unresolved "ELF weak" 410 return 411 } 412 413 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o] { 414 unresolved "ELF weak" 415 return 416 } 417 418 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o] { 419 unresolved "ELF weak" 420 return 421 } 422 423 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o] { 424 unresolved "ELF weak" 425 return 426 } 427 428 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o] { 429 unresolved "ELF weak" 430 return 431 } 432 433 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/main1.c $tmpdir/main1.o] { 434 unresolved "ELF weak" 435 return 436 } 437 438 if {![ld_simple_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]} { 439 fail "ELF weak" 440 return 441 } 442 443 if {![ld_simple_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]} { 444 fail "ELF weak" 445 return 446 } 447 448 if {![ld_simple_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} { 449 fail "ELF weak" 450 return 451 } 452 453 build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym 454 build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym 455 build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym 456 build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym 457 build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym 458 build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym 459 build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym "" 460 build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym "" 461 462 build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym 463 build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym 464 build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym 465 build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym 466 build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym 467 build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym 468 build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym 469 build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym 470 build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym 471 build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym 472 build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym "" 473 build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym "" 474 build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym "" 475 build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym "" 476 477 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o] { 478 unresolved "ELF weak (size)" 479 return 480 } 481 482 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o] { 483 unresolved "ELF weak (size)" 484 return 485 } 486 487 build_lib "ELF DSO small bar (size)" libsize_bar "size_bar.o" "" 488 build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar.so" "" 489 490 if ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o] { 491 unresolved "ELF weak (size)" 492 return 493 } 494 495 build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" "" 496 497 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o] { 498 unresolved "ELF weak (size)" 499 return 500 } 501 502 build_exec "ELF weak size" size_main "size_main.o libsize_foo.so libsize_bar.so" "-Wl,-rpath,.,--no-as-needed" size "" "" 503 504 verbose "size2" 505 run_dump_test $srcdir/$subdir/size2 506
