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 i?86-*-sysv4*] \
  29      && ![istarget i?86-*-unixware] \
  30      && ![istarget i?86-*-elf*] \
  31      && ![istarget i?86-*-linux*] \
  32      && ![istarget ia64-*-elf*] \
  33      && ![istarget ia64-*-linux*] \
  34      && ![istarget m68k-*-linux*] \
  35      && ![istarget mips*-*-irix5*] \
  36      && ![istarget powerpc-*-elf*] \
  37      && ![istarget powerpc-*-linux*] \
  38      && ![istarget powerpc-*-sysv4*] \
  39      && ![istarget sparc*-*-elf] \
  40      && ![istarget sparc*-*-solaris2*] \
  41      && ![istarget sparc*-*-linux*] \
  42      && ![istarget arm*-*-linux*] \
  43      && ![istarget mips*-*-linux*] \
  44      && ![istarget alpha*-*-linux*] } {
  45     return
  46 }
  47
  48 if { [istarget i?86-*-linux*aout*] \
  49      || [istarget i?86-*-linux*oldld*] \
  50      || [istarget m68k-*-linux*aout*] } {
  51     return
  52 }
  53
  54 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
  55     return
  56 }
  57
  58 set diff diff
  59 set tmpdir tmpdir
  60 set DOBJDUMP_FLAGS --dynamic-syms
  61 set SOBJDUMP_FLAGS --syms
  62 set shared --shared
  63
  64 #
  65 # objdump_symstuff
  66 #       Dump non-dynamic symbol stuff and make sure that it is sane.
  67 #
  68 proc objdump_symstuff { objdump object expectfile } {
  69     global SOBJDUMP_FLAGS
  70     global version_output
  71     global diff
  72     global tmpdir
  73
  74     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
  75
  76     verbose -log "$objdump $SOBJDUMP_FLAGS $object | grep foo$  > $tmpdir/objdump.out"
  77
  78     catch "exec $objdump $SOBJDUMP_FLAGS $object | grep foo$  > $tmpdir/objdump.out" exec_output
  79     set exec_output [prune_warnings $exec_output]
  80     if [string match "" $exec_output] then {
  81
  82 # Now do a line-by-line comparison to effectively diff the darned things
  83 # The stuff coming from the expectfile is actually a regex, so we can
  84 # skip over the actual addresses and so forth.  This is currently very
  85 # simpleminded - it expects a one-to-one correspondence in terms of line
  86 # numbers.
  87
  88         if [file exists $expectfile] then {
  89             set file_a [open $expectfile r]
  90         } else {
  91             perror "$expectfile doesn't exist"
  92             return 0
  93         }
  94
  95         if [file exists $tmpdir/objdump.out] then {
  96             set file_b [open $tmpdir/objdump.out r]
  97         } else {
  98             perror "$tmpdir/objdump.out doesn't exist"
  99             return 0
 100         }
 101
 102         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 103
 104         set eof -1
 105         set differences 0
 106
 107         while { [gets $file_a line] != $eof } {
 108             if [regexp "^#.*$" $line] then {
 109                 continue
 110             } else {
 111                 lappend list_a $line
 112             }
 113         }
 114         close $file_a
 115
 116         while { [gets $file_b line] != $eof } {
 117             if [regexp "^#.*$" $line] then {
 118                 continue
 119             } else {
 120                 lappend list_b $line
 121             }
 122         }
 123         close $file_b
 124
 125         for { set i 0 } { $i < [llength $list_a] } { incr i } {
 126             set line_a [lindex $list_a $i]
 127             set line_b [lindex $list_b $i]
 128
 129
 130             verbose "\t$expectfile: $i: $line_a" 3
 131             verbose "\t/tmp/objdump.out: $i: $line_b" 3
 132             if [regexp $line_a $line_b] then {
 133                 continue
 134             } else {
 135                 verbose -log "\t$expectfile: $i: $line_a"
 136                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 137
 138                 return 0
 139             }
 140         }
 141
 142         if { [llength $list_a] != [llength $list_b] } {
 143             verbose -log "Line count"
 144             return 0
 145         }
 146
 147         if $differences<1 then {
 148             return 1
 149         }
 150
 151         return 0
 152     } else {
 153         verbose -log "$exec_output"
 154         return 0
 155     }
 156
 157 }
 158
 159 #
 160 # objdump_dymsymstuff
 161 #       Dump dynamic symbol stuff and make sure that it is sane.
 162 #
 163 proc objdump_dynsymstuff { objdump object expectfile } {
 164     global DOBJDUMP_FLAGS
 165     global version_output
 166     global diff
 167     global tmpdir
 168
 169     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
 170
 171     verbose -log "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out"
 172
 173     catch "exec $objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" exec_output
 174     set exec_output [prune_warnings $exec_output]
 175     if [string match "" $exec_output] then {
 176
 177 # Now do a line-by-line comparison to effectively diff the darned things
 178 # The stuff coming from the expectfile is actually a regex, so we can
 179 # skip over the actual addresses and so forth.  This is currently very
 180 # simpleminded - it expects a one-to-one correspondence in terms of line
 181 # numbers.
 182
 183         if [file exists $expectfile] then {
 184             set file_a [open $expectfile r]
 185         } else {
 186             warning "$expectfile doesn't exist"
 187             return 0
 188         }
 189
 190         if [file exists $tmpdir/objdump.out] then {
 191             set file_b [open $tmpdir/objdump.out r]
 192         } else {
 193             fail "$tmpdir/objdump.out doesn't exist"
 194             return 0
 195         }
 196
 197         verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
 198
 199         set eof -1
 200         set differences 0
 201
 202         while { [gets $file_a line] != $eof } {
 203             if [regexp "^#.*$" $line] then {
 204                 continue
 205             } else {
 206                 lappend list_a $line
 207             }
 208         }
 209         close $file_a
 210
 211         while { [gets $file_b line] != $eof } {
 212             if [regexp "^#.*$" $line] then {
 213                 continue
 214             } else {
 215                 lappend list_b $line
 216             }
 217         }
 218         close $file_b
 219
 220         for { set i 0 } { $i < [llength $list_b] } { incr i } {
 221             set line_b [lindex $list_b $i]
 222
 223 # The tests are rigged so that we should never export a symbol with the
 224 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
 225             if [regexp "hide" $line_b] then {
 226                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 227
 228                 return 0
 229             }
 230
 231             verbose "\t$expectfile: $i: $line_b" 3
 232
 233             # We can't assume that the sort is consistent across
 234             # systems, so we must check each regexp.  When we find a
 235             # regexp, we null it out, so we don't match it twice.
 236             for { set j 0 } { $j < [llength $list_a] } { incr j } {
 237                 set line_a [lindex $list_a $j]
 238
 239                 if [regexp $line_a $line_b] then {
 240                     lreplace $list_a $j $j "CAN NOT MATCH"
 241                     break
 242                 }
 243             }
 244
 245             if { $j >= [llength $list_a] } {
 246                 verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
 247
 248                 return 0
 249             }
 250         }
 251
 252         if { [llength $list_a] != [llength $list_b] } {
 253             verbose -log "Line count"
 254             return 0
 255         }
 256
 257         if $differences<1 then {
 258             return 1
 259         }
 260
 261         return 0
 262     } else {
 263         verbose -log "$exec_output"
 264         return 0
 265     }
 266
 267 }
 268
 269 proc build_lib {test libname obj1 obj2 dynsymexp} {
 270     global ld
 271     global objdump
 272     global tmpdir
 273     global shared
 274     global srcdir
 275     global subdir
 276
 277     if {![ld_simple_link $ld $tmpdir/$libname.so "$shared $tmpdir/$obj1 $tmpdir/$obj2"]} {
 278         fail $test
 279         return
 280     }
 281
 282     if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} {
 283         fail $test
 284         return
 285     }
 286     pass $test
 287 }
 288
 289 proc build_exec { test execname obj1 obj2 flags dat dynsymexp symexp} {
 290     global ld
 291     global objdump
 292     global tmpdir
 293     global shared
 294     global srcdir
 295     global subdir
 296     global exec_output
 297
 298     if {![ld_link $ld $tmpdir/$execname "$flags $tmpdir/$obj1 $tmpdir/$obj2"]} {
 299         fail "$test"
 300         return
 301     }
 302
 303     if {![string match "" $dynsymexp]} then {
 304         if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} {
 305             fail $test
 306             return
 307         }
 308     }
 309
 310     if {![string match "" $symexp]} then {
 311         if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} {
 312             fail $test
 313             return
 314         }
 315     }
 316
 317     # Run the resulting program
 318     send_log "$tmpdir/$execname >$tmpdir/$execname.out\n"
 319     verbose "$tmpdir/$execname >$tmpdir/$execname.out"
 320     catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output
 321     if ![string match "" $exec_output] then {
 322         send_log "$exec_output\n"
 323         verbose "$exec_output"
 324         fail $test
 325         return
 326     }
 327
 328     send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n"
 329     verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat"
 330     catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output
 331     set exec_output [prune_warnings $exec_output]
 332
 333     if {![string match "" $exec_output]} then {
 334         send_log "$exec_output\n"
 335         verbose "$exec_output"
 336         fail $test
 337         return
 338     }
 339
 340     pass $test
 341 }
 342
 343 if [istarget mips*-*-*] {
 344     set picflag ""
 345 } else {
 346     # Unfortunately, the gcc argument is -fpic and the cc argument is
 347     # -KPIC.  We have to try both.
 348     set picflag "-fpic"
 349     send_log "$CC $picflag\n"
 350     verbose "$CC $picflag"
 351     catch "exec $CC $picflag" exec_output
 352     send_log "$exec_output\n"
 353     verbose "--" "$exec_output"
 354     if { [string match "*illegal option*" $exec_output] \
 355          || [string match "*option ignored*" $exec_output] \
 356          || [string match "*unrecognized option*" $exec_output] \
 357          || [string match "*passed to ld*" $exec_output] } {
 358         if [istarget *-*-sunos4*] {
 359             set picflag "-pic"
 360         } else {
 361             set picflag "-KPIC"
 362         }
 363     }
 364 }
 365 verbose "Using $picflag to compile PIC code"
 366
 367 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o] {
 368     unresolved "ELF weak"
 369     return
 370 }
 371
 372 if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o] {
 373     unresolved "ELF weak"
 374     return
 375 }
 376
 377 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o] {
 378     unresolved "ELF weak"
 379     return
 380 }
 381
 382 if {![ld_simple_link $ld $tmpdir/libbar.so "$shared $tmpdir/bar.o"]} {
 383     fail "ELF weak"
 384     return
 385 }
 386
 387 build_lib "ELF DSO weak first" libfoo foo.o bar.o dso.dsym
 388 build_lib "ELF DSO weak last" libfoo bar.o foo.o dso.dsym
 389 build_lib "ELF DSO weak first DSO" libfoo foo.o libbar.so dsow.dsym
 390 build_lib "ELF DSO weak last DSO" libfoo libbar.so foo.o dsow.dsym
 391 build_exec "ELF weak first" foo main.o bar.o "" strong "" strong.sym
 392 build_exec "ELF weak last" foo bar.o main.o "" strong "" strong.sym
 393 build_exec "ELF weak first DSO" foo main.o libbar.so "-rpath ." weak weak.dsym ""
 394 build_exec "ELF weak last DSO" foo libbar.so main.o "-rpath ." weak weak.dsym ""