ld/testsuite/ld-elfweak/elfweak.exp

   1 # Expect script for ld-weak tests
   2 #   Copyright 2001, 2002, 2003, 2004, 2005, 2007, 2010, 2012
   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      && ![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
  71
  72
  73 # <http://www.gnu.org/software/hurd/open_issues/binutils.html#weak>
  74 proc setup_xfail_gnu_hurd {} {
  75     global target_triplet
  76     # Be cautious to not XFAIL for *-*-linux-gnu*, *-*-kfreebsd-gnu*, etc.
  77     switch -regexp $target_triplet {
  78         ^\[^-\]*-\[^-\]*-gnu.*$ {
  79             setup_xfail "*-*-*"
  80         }
  81     }
  82 }
  83
  84 #
  85 # objdump_symstuff
  86 #       Dump non-dynamic symbol stuff and make sure that it is sane.
  87 #
  88 proc objdump_symstuff { objdump object expectfile } {
  89     global SOBJDUMP_FLAGS
  90     global version_output
  91     global diff
  92     global tmpdir
  93
  94     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
  95
  96     verbose -log "$objdump $SOBJDUMP_FLAGS $object | grep foo$  > $tmpdir/objdump.out"
  97
  98     catch "exec $objdump $SOBJDUMP_FLAGS $object | grep foo$  > $tmpdir/objdump.out" exec_output
  99     set exec_output [prune_warnings $exec_output]
 100     if [string match "" $exec_output] then {
 101
 102 # Now do a line-by-line comparison to effectively diff the darned things
 103 # The stuff coming from the expectfile is actually a regex, so we can
 104 # skip over the actual addresses and so forth.  This is currently very
 105 # simpleminded - it expects a one-to-one correspondence in terms of line
 106 # numbers.
 107
 108         if [file exists $expectfile] then {
 109             set file_a [open $expectfile r]
 110         } else {
 111             perror "$expectfile doesn't exist"
 112             return 0
 113         }
 114
 115         if [file exists $tmpdir/objdump.out] then {
 116             set file_b [open $tmpdir/objdump.out r]
 117         } else {
 118             perror "$tmpdir/objdump.out doesn't exist"
 119             return 0
 120         }
 121
 122         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 123
 124         set eof -1
 125         set differences 0
 126
 127         while { [gets $file_a line] != $eof } {
 128             if [regexp "^#.*$" $line] then {
 129                 continue
 130             } else {
 131                 lappend list_a $line
 132             }
 133         }
 134         close $file_a
 135
 136         while { [gets $file_b line] != $eof } {
 137             if [regexp "^#.*$" $line] then {
 138                 continue
 139             } else {
 140                 lappend list_b $line
 141             }
 142         }
 143         close $file_b
 144
 145         for { set i 0 } { $i < [llength $list_a] } { incr i } {
 146             set line_a [lindex $list_a $i]
 147             set line_b [lindex $list_b $i]
 148
 149
 150             verbose "\t$expectfile: $i: $line_a" 3
 151             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 152             if [regexp $line_a $line_b] then {
 153                 continue
 154             } else {
 155                 verbose -log "\t$expectfile: $i: $line_a"
 156                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 157
 158                 return 0
 159             }
 160         }
 161
 162         if { [llength $list_a] != [llength $list_b] } {
 163             verbose -log "Line count"
 164             return 0
 165         }
 166
 167         if $differences<1 then {
 168             return 1
 169         }
 170
 171         return 0
 172     } else {
 173         verbose -log "$exec_output"
 174         return 0
 175     }
 176
 177 }
 178
 179 #
 180 # objdump_dymsymstuff
 181 #       Dump dynamic symbol stuff and make sure that it is sane.
 182 #
 183 proc objdump_dynsymstuff { objdump object expectfile } {
 184     global DOBJDUMP_FLAGS
 185     global version_output
 186     global diff
 187     global tmpdir
 188
 189     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 190
 191     verbose -log "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out"
 192
 193     catch "exec $objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" exec_output
 194     set exec_output [prune_warnings $exec_output]
 195     if [string match "" $exec_output] then {
 196
 197 # Now do a line-by-line comparison to effectively diff the darned things
 198 # The stuff coming from the expectfile is actually a regex, so we can
 199 # skip over the actual addresses and so forth.  This is currently very
 200 # simpleminded - it expects a one-to-one correspondence in terms of line
 201 # numbers.
 202
 203         if [file exists $expectfile] then {
 204             set file_a [open $expectfile r]
 205         } else {
 206             warning "$expectfile doesn't exist"
 207             return 0
 208         }
 209
 210         if [file exists $tmpdir/objdump.out] then {
 211             set file_b [open $tmpdir/objdump.out r]
 212         } else {
 213             fail "$tmpdir/objdump.out doesn't exist"
 214             return 0
 215         }
 216
 217         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 218
 219         set eof -1
 220         set differences 0
 221
 222         while { [gets $file_a line] != $eof } {
 223             if [regexp "^#.*$" $line] then {
 224                 continue
 225             } else {
 226                 lappend list_a $line
 227             }
 228         }
 229         close $file_a
 230
 231         while { [gets $file_b line] != $eof } {
 232             if [regexp "^#.*$" $line] then {
 233                 continue
 234             } else {
 235                 lappend list_b $line
 236             }
 237         }
 238         close $file_b
 239
 240         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 241             set line_b [lindex $list_b $i]
 242
 243 # The tests are rigged so that we should never export a symbol with the
 244 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 245             if [regexp "hide" $line_b] then {
 246                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 247
 248                 return 0
 249             }
 250
 251             verbose "\t$expectfile: $i: $line_b" 3
 252
 253             # We can't assume that the sort is consistent across
 254             # systems, so we must check each regexp.  When we find a
 255             # regexp, we null it out, so we don't match it twice.
 256             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 257                 set line_a [lindex $list_a $j]
 258
 259                 if [regexp $line_a $line_b] then {
 260                     lreplace $list_a $j $j "CAN NOT MATCH"
 261                     break
 262                 }
 263             }
 264
 265             if { $j >= [llength $list_a] } {
 266                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 267
 268                 return 0
 269             }
 270         }
 271
 272         if { [llength $list_a] != [llength $list_b] } {
 273             verbose -log "Line count"
 274             return 0
 275         }
 276
 277         if $differences<1 then {
 278             return 1
 279         }
 280
 281         return 0
 282     } else {
 283         verbose -log "$exec_output"
 284         return 0
 285     }
 286
 287 }
 288
 289 proc build_lib {test libname objs dynsymexp} {
 290     global CC
 291     global objdump
 292     global tmpdir
 293     global shared
 294     global srcdir
 295     global subdir
 296
 297     set files ""
 298     foreach obj $objs {
 299       set files "$files $tmpdir/$obj"
 300     }
 301
 302     if {![ld_simple_link $CC $tmpdir/$libname.so "$shared $files"]} {
 303         fail $test
 304         return
 305     }
 306
 307     if {![string match "" $dynsymexp]
 308         && ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
 309         fail $test
 310         return
 311     }
 312     pass $test
 313 }
 314
 315 proc build_exec { test execname objs flags dat dynsymexp symexp} {
 316     global CC
 317     global objdump
 318     global tmpdir
 319     global shared
 320     global srcdir
 321     global subdir
 322     global exec_output
 323
 324     set files ""
 325     foreach obj $objs {
 326       set files "$files $tmpdir/$obj"
 327     }
 328
 329     if {![ld_simple_link $CC $tmpdir/$execname "$flags $files"]} {
 330         fail "$test"
 331         return
 332     }
 333
 334     if {![string match "" $dynsymexp]} then {
 335         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
 336             fail $test
 337             return
 338         }
 339     }
 340
 341     if {![string match "" $symexp]} then {
 342         if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
 343             fail $test
 344             return
 345         }
 346     }
 347
 348     # Run the resulting program
 349     send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
 350     verbose "$tmpdir/$execname >$tmpdir/$execname.out"
 351     catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
 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     send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
 360     verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
 361     catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
 362     set exec_output [prune_warnings $exec_output]
 363
 364     if {![string match "" $exec_output]} then {
 365         send_log "$exec_output\n"
 366         verbose "$exec_output"
 367         fail $test
 368         return
 369     }
 370
 371     pass $test
 372 }
 373
 374 # Old version of GCC for MIPS default to enabling -fpic
 375 # and get confused if it is used on the command line.
 376 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
 377     set picflag ""
 378 } else {
 379     # Unfortunately, the gcc argument is -fpic and the cc argument is
 380     # -KPIC.  We have to try both.
 381     set picflag "-fpic"
 382     send_log "$CC $picflag\n"
 383     verbose "$CC $picflag"
 384     catch "exec $CC $picflag" exec_output
 385     send_log "$exec_output\n"
 386     verbose "--" "$exec_output"
 387     if { [string match "*illegal option*" $exec_output]
 388          || [string match "*option ignored*" $exec_output]
 389          || [string match "*unrecognized option*" $exec_output]
 390          || [string match "*passed to ld*" $exec_output] } {
 391         if [istarget *-*-sunos4*] {
 392             set picflag "-pic"
 393         } else {
 394             set picflag "-KPIC"
 395         }
 396     }
 397 }
 398 verbose "Using $picflag to compile PIC code"
 399
 400 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o] {
 401     unresolved "ELF weak"
 402     return
 403 }
 404
 405 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o] {
 406     unresolved "ELF weak"
 407     return
 408 }
 409
 410 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o] {
 411     unresolved "ELF weak"
 412     return
 413 }
 414
 415 if {![ld_simple_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]} {
 416     fail "ELF weak"
 417     return
 418 }
 419
 420 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o] {
 421     unresolved "ELF weak"
 422     return
 423 }
 424
 425 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o] {
 426     unresolved "ELF weak"
 427     return
 428 }
 429
 430 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o] {
 431     unresolved "ELF weak"
 432     return
 433 }
 434
 435 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o] {
 436     unresolved "ELF weak"
 437     return
 438 }
 439
 440 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o] {
 441     unresolved "ELF weak"
 442     return
 443 }
 444
 445 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main1.c $tmpdir/main1.o] {
 446     unresolved "ELF weak"
 447     return
 448 }
 449
 450 if {![ld_simple_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]} {
 451     fail "ELF weak"
 452     return
 453 }
 454
 455 if {![ld_simple_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]} {
 456     fail "ELF weak"
 457     return
 458 }
 459
 460 if {![ld_simple_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} {
 461     fail "ELF weak"
 462     return
 463 }
 464
 465 build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym
 466 build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym
 467 build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym
 468 build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym
 469 build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym
 470 build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym
 471 setup_xfail_gnu_hurd
 472 build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,." weak weak.dsym ""
 473 setup_xfail_gnu_hurd
 474 build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,." weak weak.dsym ""
 475
 476 build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym
 477 build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym
 478 build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym
 479 build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym
 480 build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym
 481 build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym
 482 build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym
 483 build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym
 484 build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym
 485 build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym
 486 setup_xfail_gnu_hurd
 487 build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 488 setup_xfail_gnu_hurd
 489 build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 490 setup_xfail_gnu_hurd
 491 build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 492 setup_xfail_gnu_hurd
 493 build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 494
 495 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o] {
 496     unresolved "ELF weak (size)"
 497     return
 498 }
 499
 500 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o] {
 501     unresolved "ELF weak (size)"
 502     return
 503 }
 504
 505 build_lib "ELF DSO small bar (size)" libsize_bar "size_bar.o" ""
 506 build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar.so" ""
 507
 508 if ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o] {
 509     unresolved "ELF weak (size)"
 510     return
 511 }
 512
 513 build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" ""
 514
 515 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o] {
 516     unresolved "ELF weak (size)"
 517     return
 518 }
 519
 520 build_exec "ELF weak size" size_main "size_main.o libsize_foo.so libsize_bar.so" "-Wl,-rpath,." size "" ""
 521
 522 verbose "size2"
 523 run_dump_test $srcdir/$subdir/size2