ld/testsuite/ld-elfweak/elfweak.exp

   1 # Expect script for ld-weak tests
   2 #   Copyright 2001 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17 #
  18 # Written by H.J. Lu (hjl@gnu.org)
  19 #            Eric Youngdale (eric@andante.jic.com)
  20 #
  21
  22 # This test can only be run if ld generates native executables.
  23 if ![isnative] then {return}
  24
  25 # This test can only be run on a couple of ELF platforms.
  26 # Square bracket expressions seem to confuse istarget.
  27 # This is similar to the test that is used in ld-shared, BTW.
  28 if {    ![istarget alpha*-*-linux*] \
  29      && ![istarget arm*-*-linux*] \
  30      && ![istarget hppa*64*-*-hpux*] \
  31      && ![istarget hppa*-*-linux*] \
  32      && ![istarget i?86-*-sysv4*] \
  33      && ![istarget i?86-*-unixware] \
  34      && ![istarget i?86-*-elf*] \
  35      && ![istarget i?86-*-linux*] \
  36      && ![istarget ia64-*-elf*] \
  37      && ![istarget ia64-*-linux*] \
  38      && ![istarget m68k-*-linux*] \
  39      && ![istarget mips*-*-irix5*] \
  40      && ![istarget mips*-*-linux*] \
  41      && ![istarget powerpc-*-elf*] \
  42      && ![istarget powerpc-*-linux*] \
  43      && ![istarget powerpc-*-sysv4*] \
  44      && ![istarget sh\[34\]*-*-linux*] \
  45      && ![istarget sparc*-*-elf] \
  46      && ![istarget sparc*-*-solaris2*] \
  47      && ![istarget sparc*-*-linux*] } {
  48     return
  49 }
  50
  51 if { [istarget i?86-*-linux*aout*] \
  52      || [istarget i?86-*-linux*oldld*] \
  53      || [istarget m68k-*-linux*aout*] } {
  54     return
  55 }
  56
  57 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  58     return
  59 }
  60
  61 set diff diff
  62 set tmpdir tmpdir
  63 set DOBJDUMP_FLAGS --dynamic-syms
  64 set SOBJDUMP_FLAGS --syms
  65 set shared --shared
  66
  67 #
  68 # objdump_symstuff
  69 #       Dump non-dynamic symbol stuff and make sure that it is sane.
  70 #
  71 proc objdump_symstuff { objdump object expectfile } {
  72     global SOBJDUMP_FLAGS
  73     global version_output
  74     global diff
  75     global tmpdir
  76
  77     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
  78
  79     verbose -log "$objdump $SOBJDUMP_FLAGS $object | grep foo$  > $tmpdir/objdump.out"
  80
  81     catch "exec $objdump $SOBJDUMP_FLAGS $object | grep foo$  > $tmpdir/objdump.out" exec_output
  82     set exec_output [prune_warnings $exec_output]
  83     if [string match "" $exec_output] then {
  84
  85 # Now do a line-by-line comparison to effectively diff the darned things
  86 # The stuff coming from the expectfile is actually a regex, so we can
  87 # skip over the actual addresses and so forth.  This is currently very
  88 # simpleminded - it expects a one-to-one correspondence in terms of line
  89 # numbers.
  90
  91         if [file exists $expectfile] then {
  92             set file_a [open $expectfile r]
  93         } else {
  94             perror "$expectfile doesn't exist"
  95             return 0
  96         }
  97
  98         if [file exists $tmpdir/objdump.out] then {
  99             set file_b [open $tmpdir/objdump.out r]
 100         } else {
 101             perror "$tmpdir/objdump.out doesn't exist"
 102             return 0
 103         }
 104
 105         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 106
 107         set eof -1
 108         set differences 0
 109
 110         while { [gets $file_a line] != $eof } {
 111             if [regexp "^#.*$" $line] then {
 112                 continue
 113             } else {
 114                 lappend list_a $line
 115             }
 116         }
 117         close $file_a
 118
 119         while { [gets $file_b line] != $eof } {
 120             if [regexp "^#.*$" $line] then {
 121                 continue
 122             } else {
 123                 lappend list_b $line
 124             }
 125         }
 126         close $file_b
 127
 128         for { set i 0 } { $i < [llength $list_a] } { incr i } {
 129             set line_a [lindex $list_a $i]
 130             set line_b [lindex $list_b $i]
 131
 132
 133             verbose "\t$expectfile: $i: $line_a" 3
 134             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 135             if [regexp $line_a $line_b] then {
 136                 continue
 137             } else {
 138                 verbose -log "\t$expectfile: $i: $line_a"
 139                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 140
 141                 return 0
 142             }
 143         }
 144
 145         if { [llength $list_a] != [llength $list_b] } {
 146             verbose -log "Line count"
 147             return 0
 148         }
 149
 150         if $differences<1 then {
 151             return 1
 152         }
 153
 154         return 0
 155     } else {
 156         verbose -log "$exec_output"
 157         return 0
 158     }
 159
 160 }
 161
 162 #
 163 # objdump_dymsymstuff
 164 #       Dump dynamic symbol stuff and make sure that it is sane.
 165 #
 166 proc objdump_dynsymstuff { objdump object expectfile } {
 167     global DOBJDUMP_FLAGS
 168     global version_output
 169     global diff
 170     global tmpdir
 171
 172     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 173
 174     verbose -log "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out"
 175
 176     catch "exec $objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" exec_output
 177     set exec_output [prune_warnings $exec_output]
 178     if [string match "" $exec_output] then {
 179
 180 # Now do a line-by-line comparison to effectively diff the darned things
 181 # The stuff coming from the expectfile is actually a regex, so we can
 182 # skip over the actual addresses and so forth.  This is currently very
 183 # simpleminded - it expects a one-to-one correspondence in terms of line
 184 # numbers.
 185
 186         if [file exists $expectfile] then {
 187             set file_a [open $expectfile r]
 188         } else {
 189             warning "$expectfile doesn't exist"
 190             return 0
 191         }
 192
 193         if [file exists $tmpdir/objdump.out] then {
 194             set file_b [open $tmpdir/objdump.out r]
 195         } else {
 196             fail "$tmpdir/objdump.out doesn't exist"
 197             return 0
 198         }
 199
 200         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 201
 202         set eof -1
 203         set differences 0
 204
 205         while { [gets $file_a line] != $eof } {
 206             if [regexp "^#.*$" $line] then {
 207                 continue
 208             } else {
 209                 lappend list_a $line
 210             }
 211         }
 212         close $file_a
 213
 214         while { [gets $file_b line] != $eof } {
 215             if [regexp "^#.*$" $line] then {
 216                 continue
 217             } else {
 218                 lappend list_b $line
 219             }
 220         }
 221         close $file_b
 222
 223         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 224             set line_b [lindex $list_b $i]
 225
 226 # The tests are rigged so that we should never export a symbol with the
 227 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 228             if [regexp "hide" $line_b] then {
 229                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 230
 231                 return 0
 232             }
 233
 234             verbose "\t$expectfile: $i: $line_b" 3
 235
 236             # We can't assume that the sort is consistent across
 237             # systems, so we must check each regexp.  When we find a
 238             # regexp, we null it out, so we don't match it twice.
 239             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 240                 set line_a [lindex $list_a $j]
 241
 242                 if [regexp $line_a $line_b] then {
 243                     lreplace $list_a $j $j "CAN NOT MATCH"
 244                     break
 245                 }
 246             }
 247
 248             if { $j >= [llength $list_a] } {
 249                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 250
 251                 return 0
 252             }
 253         }
 254
 255         if { [llength $list_a] != [llength $list_b] } {
 256             verbose -log "Line count"
 257             return 0
 258         }
 259
 260         if $differences<1 then {
 261             return 1
 262         }
 263
 264         return 0
 265     } else {
 266         verbose -log "$exec_output"
 267         return 0
 268     }
 269
 270 }
 271
 272 proc build_lib {test libname objs dynsymexp} {
 273     global CC
 274     global objdump
 275     global tmpdir
 276     global shared
 277     global srcdir
 278     global subdir
 279
 280     set files ""
 281     foreach obj $objs {
 282       set files "$files $tmpdir/$obj"
 283     }
 284
 285     if {![ld_simple_link $CC $tmpdir/$libname.so "$shared $files"]} {
 286         fail $test
 287         return
 288     }
 289
 290     if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
 291         fail $test
 292         return
 293     }
 294     pass $test
 295 }
 296
 297 proc build_exec { test execname objs flags dat dynsymexp symexp} {
 298     global CC
 299     global objdump
 300     global tmpdir
 301     global shared
 302     global srcdir
 303     global subdir
 304     global exec_output
 305
 306     set files ""
 307     foreach obj $objs {
 308       set files "$files $tmpdir/$obj"
 309     }
 310
 311     if {![ld_simple_link $CC $tmpdir/$execname "$flags $files"]} {
 312         fail "$test"
 313         return
 314     }
 315
 316     if {![string match "" $dynsymexp]} then {
 317         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
 318             fail $test
 319             return
 320         }
 321     }
 322
 323     if {![string match "" $symexp]} then {
 324         if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
 325             fail $test
 326             return
 327         }
 328     }
 329
 330     # Run the resulting program
 331     send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
 332     verbose "$tmpdir/$execname >$tmpdir/$execname.out"
 333     catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
 334     if ![string match "" $exec_output] then {
 335         send_log "$exec_output\n"
 336         verbose "$exec_output"
 337         fail $test
 338         return
 339     }
 340
 341     send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
 342     verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
 343     catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
 344     set exec_output [prune_warnings $exec_output]
 345
 346     if {![string match "" $exec_output]} then {
 347         send_log "$exec_output\n"
 348         verbose "$exec_output"
 349         fail $test
 350         return
 351     }
 352
 353     pass $test
 354 }
 355
 356 if [istarget mips*-*-*] {
 357     set picflag ""
 358 } else {
 359     # Unfortunately, the gcc argument is -fpic and the cc argument is
 360     # -KPIC.  We have to try both.
 361     set picflag "-fpic"
 362     send_log "$CC $picflag\n"
 363     verbose "$CC $picflag"
 364     catch "exec $CC $picflag" exec_output
 365     send_log "$exec_output\n"
 366     verbose "--" "$exec_output"
 367     if { [string match "*illegal option*" $exec_output] \
 368          || [string match "*option ignored*" $exec_output] \
 369          || [string match "*unrecognized option*" $exec_output] \
 370          || [string match "*passed to ld*" $exec_output] } {
 371         if [istarget *-*-sunos4*] {
 372             set picflag "-pic"
 373         } else {
 374             set picflag "-KPIC"
 375         }
 376     }
 377 }
 378 verbose "Using $picflag to compile PIC code"
 379
 380 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o] {
 381     unresolved "ELF weak"
 382     return
 383 }
 384
 385 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o] {
 386     unresolved "ELF weak"
 387     return
 388 }
 389
 390 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o] {
 391     unresolved "ELF weak"
 392     return
 393 }
 394
 395 if {![ld_simple_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]} {
 396     fail "ELF weak"
 397     return
 398 }
 399
 400 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o] {
 401     unresolved "ELF weak"
 402     return
 403 }
 404
 405 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o] {
 406     unresolved "ELF weak"
 407     return
 408 }
 409
 410 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o] {
 411     unresolved "ELF weak"
 412     return
 413 }
 414
 415 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o] {
 416     unresolved "ELF weak"
 417     return
 418 }
 419
 420 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o] {
 421     unresolved "ELF weak"
 422     return
 423 }
 424
 425 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main1.c $tmpdir/main1.o] {
 426     unresolved "ELF weak"
 427     return
 428 }
 429
 430 if {![ld_simple_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]} {
 431     fail "ELF weak"
 432     return
 433 }
 434
 435 if {![ld_simple_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]} {
 436     fail "ELF weak"
 437     return
 438 }
 439
 440 if {![ld_simple_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} {
 441     fail "ELF weak"
 442     return
 443 }
 444
 445 build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym
 446 build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym
 447 build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym
 448 build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym
 449 build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym
 450 build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym
 451 build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,." weak weak.dsym ""
 452 build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,." weak weak.dsym ""
 453
 454 build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym
 455 build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym
 456 build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym
 457 build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym
 458 build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym
 459 build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym
 460 build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym
 461 build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym
 462 build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym
 463 build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym
 464 build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 465 build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 466 build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,-rpath,." weakdata weakdata.dsym ""
 467 build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,-rpath,." weakdata weakdata.dsym ""