ld/testsuite/ld-elfweak/elfweak.exp

   1 # Expect script for ld-weak tests
   2 #   Copyright (C) 2001-2018 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 # Check to see if the C compiler works
  26 if { [which $CC] == 0 } {
  27     return
  28 }
  29
  30 # This test can only be run on a couple of ELF platforms.
  31 # Square bracket expressions seem to confuse istarget.
  32 # This is similar to the test that is used in ld-shared, BTW.
  33 if {    ![istarget alpha*-*-linux*]
  34      && ![istarget arm*-*-linux*]
  35      && ![istarget hppa*64*-*-hpux*]
  36      && ![istarget hppa*-*-linux*]
  37      && ![istarget i?86-*-sysv4*]
  38      && ![istarget i?86-*-unixware]
  39      && ![istarget i?86-*-elf*]
  40      && ![istarget i?86-*-linux*]
  41      && ![istarget i?86-*-gnu*]
  42      && ![istarget ia64-*-elf*]
  43      && ![istarget ia64-*-linux*]
  44      && ![istarget m68k-*-linux*]
  45      && ![istarget mips*-*-irix5*]
  46      && ![istarget mips*-*-linux*]
  47      && ![istarget powerpc*-*-elf*]
  48      && ![istarget powerpc*-*-linux*]
  49      && ![istarget powerpc*-*-sysv4*]
  50      && ![istarget sh\[34\]*-*-linux*]
  51      && ![istarget sparc*-*-elf]
  52      && ![istarget sparc*-*-solaris2*]
  53      && ![istarget sparc*-*-linux*]
  54      && ![istarget x86_64-*-linux*]
  55      && ![istarget *-*-nacl*] } {
  56     return
  57 }
  58
  59 if { [istarget *-*-linux*aout*]
  60      || [istarget *-*-linux*oldld*] } {
  61     return
  62 }
  63
  64 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  65     return
  66 }
  67
  68 set diff diff
  69 set tmpdir tmpdir
  70 set DOBJDUMP_FLAGS --dynamic-syms
  71 set SOBJDUMP_FLAGS --syms
  72 set shared "--shared -Wl,--no-as-needed"
  73
  74
  75 #
  76 # objdump_symstuff
  77 #       Dump non-dynamic symbol stuff and make sure that it is sane.
  78 #
  79 proc objdump_symstuff { objdump object expectfile } {
  80     global SOBJDUMP_FLAGS
  81     global version_output
  82     global diff
  83     global tmpdir
  84
  85     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
  86
  87     set cmd "$objdump $SOBJDUMP_FLAGS $object | sed -n {s/^\\(\[0-9a-f\]* *\\)\\(\[gw\]\\)\\( *\\)\\(\[FO\]\\)/\\1\\2\\4\\3/;/foo$/p} > $tmpdir/objdump.out"
  88     verbose -log $cmd
  89     catch "exec $cmd" exec_output
  90     set exec_output [prune_warnings $exec_output]
  91     if [string match "" $exec_output] then {
  92
  93 # Now do a line-by-line comparison to effectively diff the darned things
  94 # The stuff coming from the expectfile is actually a regex, so we can
  95 # skip over the actual addresses and so forth.  This is currently very
  96 # simpleminded - it expects a one-to-one correspondence in terms of line
  97 # numbers.
  98
  99         if [file exists $expectfile] then {
 100             set file_a [open $expectfile r]
 101         } else {
 102             perror "$expectfile doesn't exist"
 103             return 0
 104         }
 105
 106         if [file exists $tmpdir/objdump.out] then {
 107             set file_b [open $tmpdir/objdump.out r]
 108         } else {
 109             perror "$tmpdir/objdump.out doesn't exist"
 110             return 0
 111         }
 112
 113         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 114
 115         set eof -1
 116         set differences 0
 117
 118         while { [gets $file_a line] != $eof } {
 119             if [regexp "^#.*$" $line] then {
 120                 continue
 121             } else {
 122                 lappend list_a $line
 123             }
 124         }
 125         close $file_a
 126
 127         while { [gets $file_b line] != $eof } {
 128             if [regexp {\.text.* \.[^ ]*$} $line] then {
 129                 # Discard defined powerpc64 dot-symbols
 130                 continue
 131             } else {
 132                 lappend list_b $line
 133             }
 134         }
 135         close $file_b
 136
 137         for { set i 0 } { $i < [llength $list_a] } { incr i } {
 138             set line_a [lindex $list_a $i]
 139             set line_b [lindex $list_b $i]
 140
 141
 142             verbose "\t$expectfile: $i: $line_a" 3
 143             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 144             if [regexp $line_a $line_b] then {
 145                 continue
 146             } else {
 147                 verbose -log "\t$expectfile: $i: $line_a"
 148                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 149
 150                 return 0
 151             }
 152         }
 153
 154         if { [llength $list_a] != [llength $list_b] } {
 155             verbose -log "Line count"
 156             return 0
 157         }
 158
 159         if $differences<1 then {
 160             return 1
 161         }
 162
 163         return 0
 164     } else {
 165         verbose -log "$exec_output"
 166         return 0
 167     }
 168
 169 }
 170
 171 #
 172 # objdump_dymsymstuff
 173 #       Dump dynamic symbol stuff and make sure that it is sane.
 174 #
 175 proc objdump_dynsymstuff { objdump object expectfile } {
 176     global DOBJDUMP_FLAGS
 177     global version_output
 178     global diff
 179     global tmpdir
 180
 181     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 182
 183     set cmd "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out"
 184     verbose -log $cmd
 185     catch "exec $cmd" exec_output
 186     set exec_output [prune_warnings $exec_output]
 187     if [string match "" $exec_output] then {
 188
 189 # Now do a line-by-line comparison to effectively diff the darned things
 190 # The stuff coming from the expectfile is actually a regex, so we can
 191 # skip over the actual addresses and so forth.  This is currently very
 192 # simpleminded - it expects a one-to-one correspondence in terms of line
 193 # numbers.
 194
 195         if [file exists $expectfile] then {
 196             set file_a [open $expectfile r]
 197         } else {
 198             warning "$expectfile doesn't exist"
 199             return 0
 200         }
 201
 202         if [file exists $tmpdir/objdump.out] then {
 203             set file_b [open $tmpdir/objdump.out r]
 204         } else {
 205             fail "$tmpdir/objdump.out doesn't exist"
 206             return 0
 207         }
 208
 209         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 210
 211         set eof -1
 212         set differences 0
 213
 214         while { [gets $file_a line] != $eof } {
 215             if [regexp "^#.*$" $line] then {
 216                 continue
 217             } else {
 218                 lappend list_a $line
 219             }
 220         }
 221         close $file_a
 222
 223         while { [gets $file_b line] != $eof } {
 224             if [regexp {\.text.* \.[^ ]*$} $line] then {
 225                 # Discard defined powerpc64 dot-symbols
 226                 continue
 227             } else {
 228                 lappend list_b $line
 229             }
 230         }
 231         close $file_b
 232
 233         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 234             set line_b [lindex $list_b $i]
 235
 236 # The tests are rigged so that we should never export a symbol with the
 237 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 238             if [regexp "hide" $line_b] then {
 239                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 240
 241                 return 0
 242             }
 243
 244             verbose "\t$expectfile: $i: $line_b" 3
 245
 246             # We can't assume that the sort is consistent across
 247             # systems, so we must check each regexp.  When we find a
 248             # regexp, we null it out, so we don't match it twice.
 249             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 250                 set line_a [lindex $list_a $j]
 251
 252                 if [regexp $line_a $line_b] then {
 253                     lreplace $list_a $j $j "CAN NOT MATCH"
 254                     break
 255                 }
 256             }
 257
 258             if { $j >= [llength $list_a] } {
 259                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 260
 261                 return 0
 262             }
 263         }
 264
 265         if { [llength $list_a] != [llength $list_b] } {
 266             verbose -log "Line count"
 267             return 0
 268         }
 269
 270         if $differences<1 then {
 271             return 1
 272         }
 273
 274         return 0
 275     } else {
 276         verbose -log "$exec_output"
 277         return 0
 278     }
 279
 280 }
 281
 282 proc build_lib {test libname objs dynsymexp} {
 283     global CC
 284     global objdump
 285     global tmpdir
 286     global shared
 287     global srcdir
 288     global subdir
 289
 290     set files ""
 291     foreach obj $objs {
 292       set files "$files $tmpdir/$obj"
 293     }
 294
 295     if {![ld_link $CC $tmpdir/$libname.so "$shared $files"]} {
 296         fail $test
 297         return
 298     }
 299
 300     if {![string match "" $dynsymexp]
 301         && ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
 302         fail $test
 303         return
 304     }
 305     pass $test
 306 }
 307
 308 proc build_exec { test execname objs flags dat dynsymexp symexp} {
 309     global CC
 310     global objdump
 311     global tmpdir
 312     global srcdir
 313     global subdir
 314     global exec_output
 315
 316     set files ""
 317     foreach obj $objs {
 318       set files "$files $tmpdir/$obj"
 319     }
 320
 321     if {![ld_link $CC $tmpdir/$execname "$flags $files"]} {
 322         fail "$test"
 323         return
 324     }
 325
 326     if {![string match "" $dynsymexp]} then {
 327         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
 328             fail $test
 329             return
 330         }
 331     }
 332
 333     if {![string match "" $symexp]} then {
 334         if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
 335             fail $test
 336             return
 337         }
 338     }
 339
 340     if ![isnative] {
 341         unsupported $test
 342         return
 343     }
 344     # Run the resulting program
 345     send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
 346     verbose "$tmpdir/$execname >$tmpdir/$execname.out"
 347     catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
 348     if ![string match "" $exec_output] then {
 349         send_log "$exec_output\n"
 350         verbose "$exec_output"
 351         fail $test
 352         return
 353     }
 354
 355     send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
 356     verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
 357     catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
 358     set exec_output [prune_warnings $exec_output]
 359
 360     if {![string match "" $exec_output]} then {
 361         send_log "$exec_output\n"
 362         verbose "$exec_output"
 363         fail $test
 364         return
 365     }
 366
 367     pass $test
 368 }
 369
 370 # Old version of GCC for MIPS default to enabling -fpic
 371 # and get confused if it is used on the command line.
 372 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
 373     set picflag ""
 374 } else {
 375     # Unfortunately, the gcc argument is -fpic and the cc argument is
 376     # -KPIC.  We have to try both.
 377     set picflag "-fpic"
 378     send_log "$CC $picflag\n"
 379     verbose "$CC $picflag"
 380     catch "exec $CC $picflag" exec_output
 381     send_log "$exec_output\n"
 382     verbose "--" "$exec_output"
 383     if { [string match "*illegal option*" $exec_output]
 384          || [string match "*option ignored*" $exec_output]
 385          || [string match "*unrecognized option*" $exec_output]
 386          || [string match "*passed to ld*" $exec_output] } {
 387         if [istarget *-*-sunos4*] {
 388             set picflag "-pic"
 389         } else {
 390             set picflag "-KPIC"
 391         }
 392     }
 393 }
 394 verbose "Using $picflag to compile PIC code"
 395
 396 if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o]
 397     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o]
 398     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o]
 399     || ![ld_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]
 400     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o]
 401     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o]
 402     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o]
 403     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o]
 404     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o]
 405     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/main1.c $tmpdir/main1.o]
 406     || ![ld_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]
 407     || ![ld_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]
 408     || ![ld_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} then {
 409     fail "ELF weak"
 410 } else {
 411     build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym
 412     build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym
 413     build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym
 414     build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym
 415     build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym
 416     build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym
 417     build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
 418     build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym ""
 419     build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym
 420     build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym
 421     build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym
 422     build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym
 423     build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym
 424     build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym
 425     build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym
 426     build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym
 427     build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym
 428     build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym
 429     build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
 430     build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym ""
 431     build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,--no-as-needed,-rpath,.,-rpath-link,." weakdata weakdata.dsym ""
 432     build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,--no-as-needed,-rpath,.,-rpath-link,." weakdata weakdata.dsym ""
 433 }
 434
 435 if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o]
 436     || ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar_s.o]
 437     || ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o]
 438     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o]} then {
 439     unresolved "ELF weak (size)"
 440 } else {
 441     build_lib "ELF DSO small bar (size)" libsize_bar_s "size_bar_s.o" ""
 442     build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar_s.so" ""
 443     build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" ""
 444     build_exec "ELF weak size" size_main "size_main.o libsize_foo.so libsize_bar.so" "-Wl,-rpath=.,-rpath-link=.,--no-as-needed" size "" ""
 445 }
 446
 447 verbose "size2"
 448 run_dump_test $srcdir/$subdir/size2
 449
 450 if {![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/alias.c $tmpdir/alias.o]
 451     || ![ld_link $CC $tmpdir/alias.so "$shared $tmpdir/alias.o"]
 452     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/aliasmain.c $tmpdir/aliasmain.o]
 453     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref1.c $tmpdir/weakref1.o]
 454     || ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/weakref2.c $tmpdir/weakref2.o]} then {
 455     unresolved "ELF weak (alias)"
 456 } else {
 457     build_exec "ELF weak (alias)" alias "aliasmain.o weakref1.o weakref2.o alias.so" "-Wl,-rpath=.,--no-as-needed" alias "" ""
 458 }