ld/testsuite/ld-elfweak/elfweak.exp

   1 # Expect script for ld-weak tests
   2 #   Copyright (C) 2001-2016 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@gnu.org)
  22 #            Eric Youngdale (eric@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