ld/testsuite/ld-elfweak/elfweak.exp

   1 # Expect script for ld-weak tests
   2 #   Copyright 2001, 2002, 2003, 2004, 2005, 2007, 2010
   3 #   Free Software Foundation, Inc.
   4 #
   5 # This file is part of the GNU Binutils.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20 # MA 02110-1301, USA.
  21 #
  22 # Written by H.J. Lu (hjl@gnu.org)
  23 #            Eric Youngdale (eric@andante.jic.com)
  24 #
  25
  26 # This test can only be run if ld generates native executables.
  27 if ![isnative] then {return}
  28
  29 # This test can only be run on a couple of ELF platforms.
  30 # Square bracket expressions seem to confuse istarget.
  31 # This is similar to the test that is used in ld-shared, BTW.
  32 if {    ![istarget alpha*-*-linux*]
  33      && ![istarget arm*-*-linux*]
  34      && ![istarget hppa*64*-*-hpux*]
  35      && ![istarget hppa*-*-linux*]
  36      && ![istarget i?86-*-sysv4*]
  37      && ![istarget i?86-*-unixware]
  38      && ![istarget i?86-*-elf*]
  39      && ![istarget i?86-*-linux*]
  40      && ![istarget i?86-*-gnu*]
  41      && ![istarget ia64-*-elf*]
  42      && ![istarget ia64-*-linux*]
  43      && ![istarget m68k-*-linux*]
  44      && ![istarget mips*-*-irix5*]
  45      && ![istarget mips*-*-linux*]
  46      && ![istarget powerpc*-*-elf*]
  47      && ![istarget powerpc*-*-linux*]
  48      && ![istarget powerpc*-*-sysv4*]
  49      && ![istarget sh\[34\]*-*-linux*]
  50      && ![istarget sparc*-*-elf]
  51      && ![istarget sparc*-*-solaris2*]
  52      && ![istarget sparc*-*-linux*] } {
  53     return
  54 }
  55
  56 if { [istarget *-*-linux*aout*]
  57      || [istarget *-*-linux*oldld*] } {
  58     return
  59 }
  60
  61 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  62     return
  63 }
  64
  65 set diff diff
  66 set tmpdir tmpdir
  67 set DOBJDUMP_FLAGS --dynamic-syms
  68 set SOBJDUMP_FLAGS --syms
  69 set shared --shared
  70
  71
  72 # <http://www.gnu.org/software/hurd/open_issues/binutils.html#weak>
  73 proc setup_xfail_gnu_hurd {} {
  74     global target_triplet
  75     # Be cautious to not XFAIL for *-*-linux-gnu*, *-*-kfreebsd-gnu*, etc.
  76     switch -regexp $target_triplet {
  77         ^\[^-\]*-\[^-\]*-gnu.*$ {
  78             setup_xfail "*-*-*"
  79         }
  80     }
  81 }
  82
  83 #
  84 # objdump_symstuff
  85 #       Dump non-dynamic symbol stuff and make sure that it is sane.
  86 #
  87 proc objdump_symstuff { objdump object expectfile } {
  88     global SOBJDUMP_FLAGS
  89     global version_output
  90     global diff
  91     global tmpdir
  92
  93     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
  94
  95     verbose -log "$objdump $SOBJDUMP_FLAGS $object | grep foo$  > $tmpdir/objdump.out"
  96
  97     catch "exec $objdump $SOBJDUMP_FLAGS $object | grep foo$  > $tmpdir/objdump.out" exec_output
  98     set exec_output [prune_warnings $exec_output]
  99     if [string match "" $exec_output] then {
 100
 101 # Now do a line-by-line comparison to effectively diff the darned things
 102 # The stuff coming from the expectfile is actually a regex, so we can
 103 # skip over the actual addresses and so forth.  This is currently very
 104 # simpleminded - it expects a one-to-one correspondence in terms of line
 105 # numbers.
 106
 107         if [file exists $expectfile] then {
 108             set file_a [open $expectfile r]
 109         } else {
 110             perror "$expectfile doesn't exist"
 111             return 0
 112         }
 113
 114         if [file exists $tmpdir/objdump.out] then {
 115             set file_b [open $tmpdir/objdump.out r]
 116         } else {
 117             perror "$tmpdir/objdump.out doesn't exist"
 118             return 0
 119         }
 120
 121         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 122
 123         set eof -1
 124         set differences 0
 125
 126         while { [gets $file_a line] != $eof } {
 127             if [regexp "^#.*$" $line] then {
 128                 continue
 129             } else {
 130                 lappend list_a $line
 131             }
 132         }
 133         close $file_a
 134
 135         while { [gets $file_b line] != $eof } {
 136             if [regexp "^#.*$" $line] then {
 137                 continue
 138             } else {
 139                 lappend list_b $line
 140             }
 141         }
 142         close $file_b
 143
 144         for { set i 0 } { $i < [llength $list_a] } { incr i } {
 145             set line_a [lindex $list_a $i]
 146             set line_b [lindex $list_b $i]
 147
 148
 149             verbose "\t$expectfile: $i: $line_a" 3
 150             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 151             if [regexp $line_a $line_b] then {
 152                 continue
 153             } else {
 154                 verbose -log "\t$expectfile: $i: $line_a"
 155                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 156
 157                 return 0
 158             }
 159         }
 160
 161         if { [llength $list_a] != [llength $list_b] } {
 162             verbose -log "Line count"
 163             return 0
 164         }
 165
 166         if $differences<1 then {
 167             return 1
 168         }
 169
 170         return 0
 171     } else {
 172         verbose -log "$exec_output"
 173         return 0
 174     }
 175
 176 }
 177
 178 #
 179 # objdump_dymsymstuff
 180 #       Dump dynamic symbol stuff and make sure that it is sane.
 181 #
 182 proc objdump_dynsymstuff { objdump object expectfile } {
 183     global DOBJDUMP_FLAGS
 184     global version_output
 185     global diff
 186     global tmpdir
 187
 188     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 189
 190     verbose -log "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out"
 191
 192     catch "exec $objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" exec_output
 193     set exec_output [prune_warnings $exec_output]
 194     if [string match "" $exec_output] then {
 195
 196 # Now do a line-by-line comparison to effectively diff the darned things
 197 # The stuff coming from the expectfile is actually a regex, so we can
 198 # skip over the actual addresses and so forth.  This is currently very
 199 # simpleminded - it expects a one-to-one correspondence in terms of line
 200 # numbers.
 201
 202         if [file exists $expectfile] then {
 203             set file_a [open $expectfile r]
 204         } else {
 205             warning "$expectfile doesn't exist"
 206             return 0
 207         }
 208
 209         if [file exists $tmpdir/objdump.out] then {
 210             set file_b [open $tmpdir/objdump.out r]
 211         } else {
 212             fail "$tmpdir/objdump.out doesn't exist"
 213             return 0
 214         }
 215
 216         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 217
 218         set eof -1
 219         set differences 0
 220
 221         while { [gets $file_a line] != $eof } {
 222             if [regexp "^#.*$" $line] then {
 223                 continue
 224             } else {
 225                 lappend list_a $line
 226             }
 227         }
 228         close $file_a
 229
 230         while { [gets $file_b line] != $eof } {
 231             if [regexp "^#.*$" $line] then {
 232                 continue
 233             } else {
 234                 lappend list_b $line
 235             }
 236         }
 237         close $file_b
 238
 239         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 240             set line_b [lindex $list_b $i]
 241
 242 # The tests are rigged so that we should never export a symbol with the
 243 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 244             if [regexp "hide" $line_b] then {
 245                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 246
 247                 return 0
 248             }
 249
 250             verbose "\t$expectfile: $i: $line_b" 3
 251
 252             # We can't assume that the sort is consistent across
 253             # systems, so we must check each regexp.  When we find a
 254             # regexp, we null it out, so we don't match it twice.
 255             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 256                 set line_a [lindex $list_a $j]
 257
 258                 if [regexp $line_a $line_b] then {
 259                     lreplace $list_a $j $j "CAN NOT MATCH"
 260                     break
 261                 }
 262             }
 263
 264             if { $j >= [llength $list_a] } {
 265                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 266
 267                 return 0
 268             }
 269         }
 270
 271         if { [llength $list_a] != [llength $list_b] } {
 272             verbose -log "Line count"
 273             return 0
 274         }
 275
 276         if $differences<1 then {
 277             return 1
 278         }
 279
 280         return 0
 281     } else {
 282         verbose -log "$exec_output"
 283         return 0
 284     }
 285
 286 }
 287
 288 proc build_lib {test libname objs dynsymexp} {
 289     global CC
 290     global objdump
 291     global tmpdir
 292     global shared
 293     global srcdir
 294     global subdir
 295
 296     set files ""
 297     foreach obj $objs {
 298       set files "$files $tmpdir/$obj"
 299     }
 300
 301     if {![ld_simple_link $CC $tmpdir/$libname.so "$shared $files"]} {
 302         fail $test
 303         return
 304     }
 305
 306     if {![string match "" $dynsymexp]
 307         && ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
 308         fail $test
 309         return
 310     }
 311     pass $test
 312 }
 313
 314 proc build_exec { test execname objs flags dat dynsymexp symexp} {
 315     global CC
 316     global objdump
 317     global tmpdir
 318     global shared
 319     global srcdir
 320     global subdir
 321     global exec_output
 322
 323     set files ""
 324     foreach obj $objs {
 325       set files "$files $tmpdir/$obj"
 326     }
 327
 328     if {![ld_simple_link $CC $tmpdir/$execname "$flags $files"]} {
 329         fail "$test"
 330         return
 331     }
 332
 333     if {![string match "" $dynsymexp]} then {
 334         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
 335             fail $test
 336             return
 337         }
 338     }
 339
 340     if {![string match "" $symexp]} then {
 341         if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
 342             fail $test
 343             return
 344         }
 345     }
 346
 347     # Run the resulting program
 348     send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
 349     verbose "$tmpdir/$execname >$tmpdir/$execname.out"
 350     catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
 351     if ![string match "" $exec_output] then {
 352         send_log "$exec_output\n"
 353         verbose "$exec_output"
 354         fail $test
 355         return
 356     }
 357
 358     send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
 359     verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
 360     catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
 361     set exec_output [prune_warnings $exec_output]
 362
 363     if {![string match "" $exec_output]} then {
 364         send_log "$exec_output\n"
 365         verbose "$exec_output"
 366         fail $test
 367         return
 368     }
 369
 370     pass $test
 371 }
 372
 373 # Old version of GCC for MIPS default to enabling -fpic
 374 # and get confused if it is used on the command line.
 375 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
 376     set picflag ""
 377 } else {
 378     # Unfortunately, the gcc argument is -fpic and the cc argument is
 379     # -KPIC.  We have to try both.
 380     set picflag "-fpic"
 381     send_log "$CC $picflag\n"
 382     verbose "$CC $picflag"
 383     catch "exec $CC $picflag" exec_output
 384     send_log "$exec_output\n"
 385     verbose "--" "$exec_output"
 386     if { [string match "*illegal option*" $exec_output]
 387          || [string match "*option ignored*" $exec_output]
 388          || [string match "*unrecognized option*" $exec_output]
 389          || [string match "*passed to ld*" $exec_output] } {
 390         if [istarget *-*-sunos4*] {
 391             set picflag "-pic"
 392         } else {
 393             set picflag "-KPIC"
 394         }
 395     }
 396 }
 397 verbose "Using $picflag to compile PIC code"
 398
 399 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o] {
 400     unresolved "ELF weak"
 401     return
 402 }
 403
 404 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o] {
 405     unresolved "ELF weak"
 406     return
 407 }
 408
 409 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o] {
 410     unresolved "ELF weak"
 411     return
 412 }
 413
 414 if {![ld_simple_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]} {
 415     fail "ELF weak"
 416     return
 417 }
 418
 419 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o] {
 420     unresolved "ELF weak"
 421     return
 422 }
 423
 424 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o] {
 425     unresolved "ELF weak"
 426     return
 427 }
 428
 429 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o] {
 430     unresolved "ELF weak"
 431     return
 432 }
 433
 434 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o] {
 435     unresolved "ELF weak"
 436     return
 437 }
 438
 439 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o] {
 440     unresolved "ELF weak"
 441     return
 442 }
 443
 444 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main1.c $tmpdir/main1.o] {
 445     unresolved "ELF weak"
 446     return
 447 }
 448
 449 if {![ld_simple_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]} {
 450     fail "ELF weak"
 451     return
 452 }
 453
 454 if {![ld_simple_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]} {
 455     fail "ELF weak"
 456     return
 457 }
 458
 459 if {![ld_simple_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} {
 460     fail "ELF weak"
 461     return
 462 }
 463
 464 build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym
 465 build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym
 466 build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym
 467 build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym
 468 build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym
 469 build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym
 470 setup_xfail_gnu_hurd
 471 build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,." weak weak.dsym ""
 472 setup_xfail_gnu_hurd
 473 build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,." weak weak.dsym ""
 474
 475 build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym
 476 build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym
 477 build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym
 478 build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym
 479 build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym
 480 build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym
 481 build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym
 482 build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym
 483 build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym
 484 build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym
 485 setup_xfail_gnu_hurd
 486 build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 487 setup_xfail_gnu_hurd
 488 build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 489 setup_xfail_gnu_hurd
 490 build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 491 setup_xfail_gnu_hurd
 492 build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 493
 494 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o] {
 495     unresolved "ELF weak (size)"
 496     return
 497 }
 498
 499 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o] {
 500     unresolved "ELF weak (size)"
 501     return
 502 }
 503
 504 build_lib "ELF DSO small bar (size)" libsize_bar "size_bar.o" ""
 505 build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar.so" ""
 506
 507 if ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o] {
 508     unresolved "ELF weak (size)"
 509     return
 510 }
 511
 512 build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" ""
 513
 514 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o] {
 515     unresolved "ELF weak (size)"
 516     return
 517 }
 518
 519 build_exec "ELF weak size" size_main "size_main.o libsize_foo.so libsize_bar.so" "-Wl,-rpath,." size "" ""
 520
 521 verbose "size2"
 522 run_dump_test $srcdir/$subdir/size2