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      1 # Expect script for ld-version tests
      2 #   Copyright (C) 1997-2016 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 Eric Youngdale (eric (at) andante.jic.com)
     22 
     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 hppa*64*-*-hpux*]
     32      && ![istarget hppa*-*-linux*]
     33      && ![istarget i?86-*-sysv4*]
     34      && ![istarget i?86-*-unixware]
     35      && ![istarget i?86-*-elf*]
     36      && ![istarget i?86-*-linux*]
     37      && ![istarget i?86-*-gnu*]
     38      && ![istarget i?86-*-nacl*]
     39      && ![istarget ia64-*-elf*]
     40      && ![istarget ia64-*-linux*]
     41      && ![istarget m68k-*-linux*]
     42      && ![istarget mips*-*-irix5*]
     43      && ![istarget powerpc*-*-elf*]
     44      && ![istarget powerpc*-*-linux*]
     45      && ![istarget powerpc*-*-sysv4*]
     46      && ![istarget sparc*-*-elf]
     47      && ![istarget sparc*-*-solaris2*]
     48      && ![istarget sparc*-*-linux*]
     49      && ![istarget aarch64*-*-linux*]
     50      && ![istarget arm*-*-linux*]
     51      && ![istarget mips*-*-linux*]
     52      && ![istarget alpha*-*-linux*]
     53      && ![istarget s390*-*-linux*]
     54      && ![istarget sh\[34\]*-*-linux*]
     55      && ![istarget x86_64-*-linux*]
     56      && ![istarget x86_64-*-nacl*] } {
     57     return
     58 }
     59 
     60 if { [istarget *-*-linux*aout*]
     61      || [istarget *-*-linux*oldld*] } {
     62     return
     63 }
     64 
     65 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
     66     return
     67 }
     68 
     69 set diff diff
     70 set tmpdir tmpdir
     71 set VOBJDUMP_FLAGS --private-headers
     72 set DOBJDUMP_FLAGS --dynamic-syms
     73 set SOBJDUMP_FLAGS --syms
     74 set shared "--shared --no-undefined-version"
     75 set script --version-script
     76 
     77 # Old version of GCC for MIPS default to enabling -fpic
     78 # and get confused if it is used on the command line.
     79 if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then {
     80     set picflag ""
     81 } else {
     82     # Unfortunately, the gcc argument is -fpic and the cc argument is
     83     # -KPIC.  We have to try both.
     84     set picflag "-fpic"
     85     send_log "$CC $picflag\n"
     86     verbose "$CC $picflag"
     87     catch "exec $CC $picflag" exec_output
     88     send_log "$exec_output\n"
     89     verbose "--" "$exec_output"
     90     if { [string match "*illegal option*" $exec_output]
     91 	 || [string match "*option ignored*" $exec_output]
     92 	 || [string match "*unrecognized option*" $exec_output]
     93 	 || [string match "*passed to ld*" $exec_output] } {
     94 	if [istarget *-*-sunos4*] {
     95 	    set picflag "-pic"
     96 	} else {
     97 	    set picflag "-KPIC"
     98 	}
     99     }
    100 }
    101 
    102 case $target_triplet in {
    103     { ia64-*-* } { set as_options "-x" }
    104     { sparc-*-* } { set as_options "-Av9a" }
    105     default { set as_options "" }
    106 }
    107 
    108 proc test_ar { test lib object expect } {
    109     global ar
    110     global nm
    111     global tmpdir
    112     global srcdir
    113     global subdir
    114     global diff
    115 
    116     verbose -log "$ar -cr $tmpdir/$lib $tmpdir/$object"
    117     catch "exec $ar -cr $tmpdir/$lib $tmpdir/$object" exec_output
    118     set exec_output [prune_warnings $exec_output]
    119     if ![string match "" $exec_output] {
    120 	verbose -log "$exec_output"
    121 	unresolved "$test"
    122 	return
    123     }
    124 
    125     verbose -log "$nm --print-armap $tmpdir/$lib | grep \" in \" | egrep \"VERS\\|bar\\|foo\" | sort > $tmpdir/nm.out"
    126 
    127     catch "exec $nm --print-armap $tmpdir/$lib | grep \\\ in\\\  | egrep VERS\\\|bar\\\|foo | sort > $tmpdir/nm.out" exec_output
    128     if [string match "" $exec_output] then {
    129 	catch "exec sort $srcdir/$subdir/$expect | $diff $tmpdir/nm.out -" exec_output
    130 	set exec_output [prune_warnings $exec_output]
    131 	if [string match "" $exec_output] then {
    132 	    pass $test
    133 	    return
    134 	} else {
    135 	    verbose -log "$exec_output"
    136 	    fail "$test"
    137 	    return
    138 	}
    139     } else {
    140 	verbose -log "$exec_output"
    141 	fail "$test"
    142     }
    143 }
    144 
    145 #
    146 # objdump_emptysymstuff
    147 #	Check non-dynamic symbols and make sure there are none with '@'.
    148 #
    149 proc objdump_emptysymstuff { objdump object } {
    150     global SOBJDUMP_FLAGS
    151     global version_output
    152     global diff
    153 
    154     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
    155 
    156     verbose -log "$objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p"
    157 
    158     catch "exec $objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p" exec_output
    159     set exec_output [prune_warnings $exec_output]
    160     if [string match "" $exec_output] then {
    161 # We shouldn't get anything here.
    162 	return 1
    163     } else {
    164 # it is not normal to come here - we have no output to compare.
    165 	verbose -log "$exec_output"
    166 	verbose -log "objdump_emptysymstuff: did not expect any output from objdump"
    167 	return 0
    168     }
    169 
    170 }
    171 
    172 #
    173 # objdump_emptydynsymstuff
    174 #	Check dynamic symbols and make sure there are none with '@'.
    175 #
    176 proc objdump_emptydynsymstuff { objdump object } {
    177     global DOBJDUMP_FLAGS
    178     global version_output
    179     global diff
    180 
    181     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
    182 
    183     verbose -log "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p"
    184 
    185     catch "exec $objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p" exec_output
    186     set exec_output [prune_warnings $exec_output]
    187     if [string match "" $exec_output] then {
    188 # We shouldn't get anything here.
    189 	return 1
    190     } else { if [string match "*objdump: *: not a dynamic object" $exec_output] then {
    191 	return 1
    192     } else {
    193 # it is not normal to come here - we have no output to compare.
    194 	verbose -log "$exec_output"
    195 	verbose -log "objdump_emptydynsymstuff: did not expect any output from objdump"
    196 	return 0
    197     } }
    198 }
    199 
    200 #
    201 # objdump_emptyverstuff
    202 #	Make sure there is no version information
    203 #
    204 proc objdump_emptyverstuff { objdump object } {
    205     global VOBJDUMP_FLAGS
    206     global version_output
    207     global diff
    208     global tmpdir
    209 
    210     if {[which $objdump] == 0} then {
    211 	perror "$objdump does not exist"
    212 	return 0
    213     }
    214 
    215     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
    216 
    217     verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
    218 
    219     catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p" exec_output
    220     set exec_output [prune_warnings $exec_output]
    221     if [string match "" $exec_output] then {
    222 # it is normal to fail here - we have no output to compare.
    223 	return 1
    224     } else { if { [string match "*libc*" $exec_output] } then {
    225 # this probably means that there is version information in libc, so we
    226 # can't really perform this test.
    227 	return 1
    228     } else {
    229 	verbose -log "$exec_output"
    230 	verbose -log "objdump_emptyverstuff: did not expect any output from objdump"
    231 	return 0
    232     } }
    233 
    234 }
    235 
    236 #
    237 # objdump_symstuff
    238 #	Dump non-dynamic symbol stuff and make sure that it is sane.
    239 #
    240 proc objdump_symstuff { objdump object expectfile } {
    241     global SOBJDUMP_FLAGS
    242     global version_output
    243     global diff
    244     global tmpdir
    245 
    246     if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
    247 
    248     verbose -log "$objdump $SOBJDUMP_FLAGS $object | grep \@ | sort -k 6  > $tmpdir/objdump.out"
    249 
    250     catch "exec $objdump $SOBJDUMP_FLAGS $object | grep \@ | sort -k 6 > $tmpdir/objdump.out" exec_output
    251     set exec_output [prune_warnings $exec_output]
    252     if [string match "" $exec_output] then {
    253 
    254 # Now do a line-by-line comparison to effectively diff the darned things
    255 # The stuff coming from the expectfile is actually a regex, so we can
    256 # skip over the actual addresses and so forth.  This is currently very
    257 # simpleminded - it expects a one-to-one correspondence in terms of line
    258 # numbers.
    259 
    260 	if [file exists $expectfile] then {
    261 	    set file_a [open $expectfile r]
    262 	} else {
    263 	    perror "$expectfile doesn't exist"
    264 	    return 0
    265 	}
    266 
    267 	if [file exists $tmpdir/objdump.out] then {
    268 	    set file_b [open $tmpdir/objdump.out r]
    269 	} else {
    270 	    perror "$tmpdir/objdump.out doesn't exist"
    271 	    return 0
    272 	}
    273 
    274 	verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
    275 
    276 	set eof -1
    277 	set differences 0
    278 
    279 	while { [gets $file_a line] != $eof } {
    280 	    if [regexp "^#.*$" $line] then {
    281 		continue
    282 	    } else {
    283 		lappend list_a $line
    284 	    }
    285 	}
    286 	close $file_a
    287 
    288 	while { [gets $file_b line] != $eof } {
    289 	    if [regexp "^#.*$" $line] then {
    290 		continue
    291 	    } else {
    292 		lappend list_b $line
    293 	    }
    294 	}
    295 	close $file_b
    296 
    297 	for { set i 0 } { $i < [llength $list_a] } { incr i } {
    298 	    set line_a [lindex $list_a $i]
    299 	    set line_b [lindex $list_b $i]
    300 
    301 
    302 	    verbose "\t$expectfile: $i: $line_a" 3
    303 	    verbose "\t/tmp/objdump.out: $i: $line_b" 3
    304 	    if [regexp $line_a $line_b] then {
    305 		continue
    306 	    } else {
    307 		verbose -log "\t$expectfile: $i: $line_a"
    308 		verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
    309 
    310 		return 0
    311 	    }
    312 	}
    313 
    314 	if { [llength $list_a] != [llength $list_b] } {
    315 	    verbose -log "Line count"
    316 	    return 0
    317 	}
    318 
    319 	if $differences<1 then {
    320 	    return 1
    321 	}
    322 
    323 	return 0
    324     } else {
    325 	verbose -log "$exec_output"
    326 	return 0
    327     }
    328 
    329 }
    330 
    331 #
    332 # objdump_dymsymstuff
    333 #	Dump dynamic symbol stuff and make sure that it is sane.
    334 #
    335 proc objdump_dynsymstuff { objdump object expectfile } {
    336     global DOBJDUMP_FLAGS
    337     global version_output
    338     global diff
    339     global tmpdir
    340 
    341     if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
    342 
    343     verbose -log "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p | sort | uniq  > $tmpdir/objdump.out"
    344 
    345     catch "exec $objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p | sort | uniq  > $tmpdir/objdump.out" exec_output
    346     set exec_output [prune_warnings $exec_output]
    347     if [string match "" $exec_output] then {
    348 
    349 # Now do a line-by-line comparison to effectively diff the darned things
    350 # The stuff coming from the expectfile is actually a regex, so we can
    351 # skip over the actual addresses and so forth.  This is currently very
    352 # simpleminded - it expects a one-to-one correspondence in terms of line
    353 # numbers.
    354 
    355 	if [file exists $expectfile] then {
    356 	    set file_a [open $expectfile r]
    357 	} else {
    358 	    warning "$expectfile doesn't exist"
    359 	    return 0
    360 	}
    361 
    362 	if [file exists $tmpdir/objdump.out] then {
    363 	    set file_b [open $tmpdir/objdump.out r]
    364 	} else {
    365 	    fail "$tmpdir/objdump.out doesn't exist"
    366 	    return 0
    367 	}
    368 
    369 	verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
    370 
    371 	set eof -1
    372 	set differences 0
    373 
    374 	while { [gets $file_a line] != $eof } {
    375 	    if [regexp "^#.*$" $line] then {
    376 		continue
    377 	    } else {
    378 		lappend list_a $line
    379 	    }
    380 	}
    381 	close $file_a
    382 
    383 	while { [gets $file_b line] != $eof } {
    384 	    if [regexp "^#.*$" $line] then {
    385 		continue
    386 	    } else {
    387 		lappend list_b $line
    388 	    }
    389 	}
    390 	close $file_b
    391 
    392 	# Support empty files.
    393 	if { ![info exists list_a] && ![info exists list_b] } then {
    394 	    return 1
    395 	}
    396 
    397 	for { set i 0 } { $i < [llength $list_b] } { incr i } {
    398 	    set line_b [lindex $list_b $i]
    399 
    400 # The tests are rigged so that we should never export a symbol with the
    401 # word 'hide' in it.  Thus we just search for it, and bail if we find it.
    402 	    if [regexp "hide" $line_b] then {
    403 		verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
    404 
    405 		return 0
    406 	    }
    407 
    408 	    verbose "\t$expectfile: $i: $line_b" 3
    409 
    410 	    # We can't assume that the sort is consistent across
    411 	    # systems, so we must check each regexp.  When we find a
    412 	    # regexp, we null it out, so we don't match it twice.
    413 	    for { set j 0 } { $j < [llength $list_a] } { incr j } {
    414 		set line_a [lindex $list_a $j]
    415 
    416 		if [regexp $line_a $line_b] then {
    417 		    lreplace $list_a $j $j "CAN NOT MATCH"
    418 		    break
    419 		}
    420 	    }
    421 
    422 	    if { $j >= [llength $list_a] } {
    423 		verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
    424 
    425 		return 0
    426 	    }
    427 	}
    428 
    429 	if { [llength $list_a] != [llength $list_b] } {
    430 	    verbose -log "Line count"
    431 	    return 0
    432 	}
    433 
    434 	if $differences<1 then {
    435 	    return 1
    436 	}
    437 
    438 	return 0
    439     } else {
    440 	verbose -log "$exec_output"
    441 	return 0
    442     }
    443 
    444 }
    445 
    446 #
    447 # objdump_versionstuff
    448 #	Dump version definitions/references and make sure that it is sane.
    449 #
    450 proc objdump_versionstuff { objdump object expectfile } {
    451     global VOBJDUMP_FLAGS
    452     global version_output
    453     global diff
    454     global tmpdir
    455 
    456     if {[which $objdump] == 0} then {
    457 	perror "$objdump does not exist"
    458 	return 0
    459     }
    460 
    461     if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
    462 
    463     verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
    464 
    465     catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out" exec_output
    466     set exec_output [prune_warnings $exec_output]
    467     if [string match "" $exec_output] then {
    468 
    469 	# It's OK if there are extra lines in the actual output; they
    470 	# may come from version information in libc.  We require that
    471 	# every line in EXPECTFILE appear in the output in any order.
    472 
    473 	set f2 [open $expectfile r]
    474 	while { [gets $f2 l2] != -1 } {
    475 	    if { ![regexp "^#.*$" $l2] } then {
    476 		set f1 [open $tmpdir/objdump.out r]
    477 		while { [gets $f1 l1] != -1 } {
    478 		    if { [string match $l2 $l1] } then {
    479 			break
    480 		    }
    481 		}
    482 		close $f1
    483 
    484 		if { ![string match $l2 $l1] } then {
    485 		    verbose -log "Did not find \"$l2\""
    486 		    set f1 [open $tmpdir/objdump.out r]
    487 		    while { [gets $f1 l1] != -1 } {
    488 			verbose -log $l1
    489 		    }
    490 		    close $f1
    491 		    close $f2
    492 		    return 0
    493 		}
    494 	    }
    495 	}
    496 	close $f2
    497 	return 1
    498     } else {
    499 	verbose -log "$exec_output"
    500 	return 0
    501     }
    502 }
    503 
    504 proc build_binary { shared pic test source libname other mapfile verexp versymexp symexp ldargs } {
    505     global ld
    506     global srcdir
    507     global subdir
    508     global exec_output
    509     global host_triplet
    510     global tmpdir
    511     global as
    512     global as_options
    513     global objdump
    514     global CC
    515     global CFLAGS
    516     global script
    517 
    518     if ![ld_compile "$CC -S $pic $CFLAGS" $srcdir/$subdir/$source $tmpdir/$libname.s]     {
    519 	unresolved "$test"
    520 	return
    521     }
    522 
    523     if ![ld_assemble $as "$as_options $tmpdir/$libname.s" $tmpdir/$libname.o ]     {
    524 	unresolved "$test"
    525 	return
    526     }
    527 
    528     set other_lib ""
    529     if ![string match "" $other] then {
    530 	foreach o $other {
    531 	    set other_lib "$other_lib $tmpdir/$o"
    532 	}
    533     }
    534 
    535     if [string match "" $mapfile] then {
    536 	set script_arg ""
    537     } else {
    538 	set script_arg "$script $srcdir/$subdir/$mapfile"
    539     }
    540 
    541     if {![ld_simple_link $ld $tmpdir/$libname.so "$shared $tmpdir/$libname.o $other_lib $script_arg $ldargs"]}     {
    542 	fail "$test"
    543 	return
    544     }
    545 
    546     if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]}     {
    547 	fail "$test"
    548 	return
    549     }
    550 
    551     if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]}     {
    552 	fail "$test"
    553 	return
    554     }
    555 
    556     if [string match "" $symexp] then {
    557 	if {![objdump_emptysymstuff $objdump $tmpdir/$libname.o ]}     {
    558 	    fail "$test"
    559 	    return
    560 	}
    561     } else {
    562 	if {![objdump_symstuff $objdump $tmpdir/$libname.o $srcdir/$subdir/$symexp ]}     {
    563 	    fail "$test"
    564 	    return
    565 	}
    566     }
    567 
    568     pass $test
    569 
    570 }
    571 
    572 proc build_executable { test source libname other mapfile verexp versymexp symexp } {
    573   build_binary "" "" $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
    574 }
    575 
    576 proc build_vers_lib_no_pic { test source libname other mapfile verexp versymexp symexp } {
    577   global shared
    578   # Make sure that PLT is used since PLT is expected.
    579   global PLT_CFLAGS
    580   build_binary $shared $PLT_CFLAGS $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
    581 }
    582 
    583 proc build_vers_lib_pic { test source libname other mapfile verexp versymexp symexp } {
    584   global picflag
    585   global shared
    586   build_binary $shared $picflag $test $source $libname $other $mapfile $verexp $versymexp $symexp ""
    587 }
    588 
    589 proc build_vers_lib_pic_flags { test source libname other mapfile verexp versymexp symexp ldargs } {
    590   global picflag
    591   global shared
    592   build_binary $shared $picflag $test $source $libname $other $mapfile $verexp $versymexp $symexp $ldargs
    593 }
    594 
    595 proc test_ldfail { test flag source execname other mapfile whyfail } {
    596     global srcdir
    597     global subdir
    598     global exec_output
    599     global host_triplet
    600     global tmpdir
    601     global as
    602     global as_options
    603     global objdump
    604     global CC
    605     global CFLAGS
    606     global script
    607 
    608     if [string match "" $other] then {
    609 	set other_lib ""
    610     } else {
    611 	set other_lib $tmpdir/$other
    612     }
    613 
    614     if ![ld_compile "$CC -S $flag $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
    615 	unresolved "$test"
    616 	return
    617     }
    618 
    619     if ![ld_assemble $as "$as_options $tmpdir/$execname.s" $tmpdir/$execname.o ]     {
    620 	unresolved "$test"
    621 	return
    622     }
    623 
    624     verbose -log "This link should fail because of $whyfail"
    625 
    626     if [string match "" $mapfile] then {
    627 	set script_arg ""
    628     } else {
    629 	set script_arg "-Wl,$script $srcdir/$subdir/$mapfile"
    630     }
    631 
    632     if {![ld_simple_link $CC $tmpdir/$execname "$tmpdir/$execname.o $other_lib $script_arg"]}     {
    633 	pass "$test"
    634 	return
    635     }
    636     fail "$test"
    637 }
    638 
    639 proc test_asfail { test flag source execname whyfail } {
    640     global srcdir
    641     global subdir
    642     global tmpdir
    643     global as
    644     global CC
    645     global CFLAGS
    646 
    647     if ![ld_compile "$CC -S $flag $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
    648 	unresolved "$test"
    649 	return
    650     }
    651 
    652     verbose -log "This assemble should fail because of $whyfail"
    653     catch "exec $as -o $tmpdir/$execname.o $tmpdir/$execname.s" exec_output
    654     set exec_output [prune_warnings $exec_output]
    655     if [string match "" $exec_output] then {
    656 	fail "$test"
    657 	return
    658     }
    659     verbose -log "$exec_output"
    660     pass "$test"
    661 }
    662 
    663 proc test_strip_vers_lib { test srclib libname verexp versymexp } {
    664     global strip
    665     global srcdir
    666     global subdir
    667     global exec_output
    668     global host_triplet
    669     global tmpdir
    670     global objdump
    671 
    672     verbose -log "cp $tmpdir/$srclib $tmpdir/$libname.so"
    673     exec cp $tmpdir/$srclib $tmpdir/$libname.so
    674 
    675     verbose -log "$strip $tmpdir/$libname.so"
    676     catch "exec $strip $tmpdir/$libname.so" exec_output
    677     if [string match "" $exec_output] then {
    678 
    679 # If strip went OK, then run the usual tests on the thing to make sure that
    680 # it is sane.
    681 	if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]}     {
    682 	    fail "$test"
    683 	    return
    684 	}
    685 
    686 	if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]}     {
    687 	    fail "$test"
    688 	    return
    689 	}
    690 
    691     } else {
    692 	verbose -log "$exec_output"
    693 	fail "$test"
    694 	return
    695     }
    696     pass $test
    697 }
    698 
    699 
    700 proc build_exec { test source execname flags solibname verexp versymexp symexp } {
    701     global srcdir
    702     global subdir
    703     global exec_output
    704     global host_triplet
    705     global tmpdir
    706     global as
    707     global as_options
    708     global objdump
    709     global CC
    710     global CFLAGS
    711 
    712     set shared "--shared --no-undefined-version"
    713     set script --version-script
    714     if ![ld_compile "$CC -S $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s]     {
    715 	unresolved "$test"
    716 	return
    717     }
    718 
    719     if ![ld_assemble $as "$as_options $tmpdir/$execname.s" $tmpdir/$execname.o ]     {
    720 	unresolved "$test"
    721 	return
    722     }
    723 
    724     if [string match "" $solibname] then {
    725 	set solibname_lib ""
    726     } else {
    727 	set solibname_lib $tmpdir/$solibname
    728     }
    729 
    730     if {![ld_simple_link $CC $tmpdir/$execname "$flags $tmpdir/$execname.o $solibname_lib"]}     {
    731 	fail "$test"
    732 	return
    733     }
    734 
    735     if [string match "" $verexp] then {
    736 #
    737 # Make sure we get nothing back.
    738 #
    739 	if {![objdump_emptyverstuff $objdump $tmpdir/$execname ]}     {
    740 	    fail "$test"
    741 	    return
    742 	}
    743     } else {
    744 	if {![objdump_versionstuff $objdump $tmpdir/$execname $srcdir/$subdir/$verexp ]}     {
    745 	    fail "$test"
    746 	    return
    747 	}
    748     }
    749 
    750     if [string match "" $versymexp] then {
    751 	if {![objdump_emptydynsymstuff $objdump $tmpdir/$execname ]}     {
    752 	    fail "$test"
    753 	    return
    754 	}
    755     } else {
    756 	if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$versymexp ]}     {
    757 	    fail "$test"
    758 	    return
    759 	}
    760     }
    761 
    762     if [string match "" $symexp] then {
    763 	if {![objdump_emptysymstuff $objdump $tmpdir/$execname.o ]}     {
    764 	    fail "$test"
    765 	    return
    766 	}
    767     } else {
    768 	if {![objdump_symstuff $objdump $tmpdir/$execname.o $srcdir/$subdir/$symexp ]}     {
    769 	    fail "$test"
    770 	    return
    771 	}
    772     }
    773 
    774     pass $test
    775 }
    776 
    777 if { [istarget x86_64-*-linux*] \
    778      || [istarget arm*-*-*] \
    779      || ( [istarget mips*-*-linux*] && [at_least_gcc_version 4 3] ) } {
    780     # x86_64, ARM and newer MIPS toolchains do not like non-pic shared libraries
    781     set pic "yes"
    782 } else {
    783     set pic "no"
    784 }
    785 
    786 #
    787 # Basic test - build a library with versioned symbols.
    788 #
    789 build_vers_lib_pic "vers1" vers1.c vers1 "" vers1.map vers1.ver vers1.dsym vers1.sym
    790 
    791 
    792 #
    793 # Test #2 - build a library, and link it against the library we built in step
    794 # 1.
    795 #
    796 build_vers_lib_pic "vers2" vers2.c vers2 vers1.so vers2.map vers2.ver vers2.dsym ""
    797 
    798 #
    799 # Test #3 - build an executable, and link it against vers1.so.
    800 #
    801 build_exec "vers3" vers3.c vers3 "-Wl,--no-as-needed" vers1.so vers3.ver vers3.dsym ""
    802 
    803 #
    804 # Test #4 - Make sure a version implicitly defined in an executable
    805 # causes a version node to be created.  Verify this both with and without
    806 # --export-dynamic.
    807 #
    808 
    809 # This test fails on MIPS.  On the MIPS we must put foo in the dynamic
    810 # symbol table, which the test does not expect.
    811 setup_xfail "mips*-*-*"
    812 build_exec "vers4" vers4.c vers4 "" "" "" "" vers4.sym
    813 
    814 build_exec "vers4a" vers4.c vers4a "-Wl,-export-dynamic" "" vers4a.ver vers4a.dsym vers4a.sym
    815 
    816 # Verify that --no-export-dynamic undoes the effect of --export-dynamic.
    817 setup_xfail "mips*-*-*"
    818 build_exec "vers4b" vers4.c vers4b "-Wl,-export-dynamic -Wl,--no-export-dynamic" "" "" "" vers4.sym
    819 
    820 
    821 #
    822 # Try multiple definitions foo@BAR and foo@@BAR and make sure the linker
    823 # complains.
    824 #
    825 test_ldfail "vers5" "" vers5.c vers5 "" "" "multiple definition of foo (at) VERS_1.2"
    826 
    827 #
    828 #
    829 # Now build a test that should reference a bunch of versioned symbols.
    830 # All of them should be correctly referenced.
    831 #
    832 build_exec "vers6" vers6.c vers6 "-Wl,--no-as-needed" vers1.so vers6.ver vers6.dsym vers6.sym
    833 
    834 #
    835 # Another test to verify that something made local via 'local' is truly not
    836 # accessible.
    837 #
    838 if [string match "yes" $pic] then {
    839     xfail "vers7a"
    840     xfail "vers7"
    841 } else {
    842     build_vers_lib_no_pic "vers7a" vers7a.c vers7a "" vers7.map vers7a.ver vers7a.dsym vers7a.sym
    843 
    844     test_ldfail "vers7" "" vers7.c vers7 vers7a.so "" "undefined reference to hide_a"
    845 }
    846 
    847 
    848 #
    849 # This test is designed to verify that we can pass a linker script on the
    850 # command line as if it were a normal .o file.
    851 #
    852 catch "exec cp $srcdir/$subdir/vers8.map $tmpdir/" ignore_output
    853 build_vers_lib_pic "vers8" vers1.c vers8 vers8.map "" vers8.ver vers1.dsym vers1.sym
    854 
    855 #
    856 # This test tries to make sure that version references to versioned symbols
    857 # don't collide with default definitions with the same symbol.
    858 #
    859 build_exec "vers9" vers9.c vers9 "-Wl,-export-dynamic" "" vers9.ver vers9.dsym vers9.sym
    860 
    861 
    862 #
    863 # Try and use a non-existant version node.  The linker should fail with
    864 # an error message.
    865 #
    866 test_ldfail "vers10" "-DDO_TEST10" vers1.c vers10 "" "vers1.map --shared" "invalid version"
    867 
    868 #
    869 # Try and some things the assembler should complain about.
    870 #
    871 test_asfail "vers11" "-DDO_TEST11" vers1.c vers11 "no @ in symver"
    872 
    873 test_asfail "vers12" "-DDO_TEST12" vers1.c vers12 "extern version definition"
    874 
    875 #
    876 # Put a shared library in an archive library, and make sure the global
    877 # archive symbol table is sane.
    878 #
    879 test_ar "ar with versioned solib" vers13.a vers1.so vers13.asym
    880 
    881 #
    882 # Strip a shared library, and make sure we didn't screw something up in there.
    883 #
    884 test_strip_vers_lib "vers14" vers1.so vers14 vers1.ver vers1.dsym
    885 
    886 
    887 #
    888 # Build another test with some versioned symbols.  Here we are going to
    889 # try and override something from the library, and we shouldn't get
    890 # any errors.
    891 #
    892 build_exec "vers15" vers15.c vers15 "-Wl,--no-as-needed" vers1.so vers15.ver vers15.dsym vers15.sym
    893 
    894 #
    895 # Test that when we override a versioned symbol from the library this
    896 # symbol appears in the dynamic symbol table of the executable.
    897 #
    898 build_vers_lib_pic "vers16a" vers16a.c vers16a "" vers16.map vers16a.ver vers16a.dsym ""
    899 build_exec "vers16" vers16.c vers16 "-Wl,--no-as-needed" vers16a.so "" vers16.dsym ""
    900 
    901 # Test a weak versioned symbol.
    902 build_vers_lib_pic "vers17" vers17.c vers17 "" vers17.map vers17.ver vers17.dsym ""
    903 build_vers_lib_pic "vers18" vers18.c vers18 vers17.so vers18.map vers18.ver vers18.dsym vers18.sym
    904 build_exec "vers19" vers19.c vers19 "-Wl,-rpath,. -Wl,-rpath-link,--no-as-needed" vers18.so vers19.ver vers19.dsym ""
    905 
    906 build_vers_lib_no_pic "vers20a" vers20.c vers20a "" vers20.map vers20a.ver vers20.dsym ""
    907 exec cp $tmpdir/vers20a.so $tmpdir/vers20b.so
    908 build_vers_lib_no_pic "vers20" vers20.c vers20 "vers20a.so vers20b.so" vers20.map vers20.ver vers20.dsym ""
    909 
    910 # Test .symver override.
    911 build_vers_lib_pic "vers21" vers21.c vers21 "" vers21.map vers21.ver vers21.dsym vers21.sym
    912 
    913 # Test moving default definition from one DSO to another.
    914 build_vers_lib_pic "vers22a" vers22a.c vers22a "" vers22.map vers22a.ver vers22a.dsym vers22a.sym
    915 build_vers_lib_pic "vers22b" vers22b.c vers22b "" vers22.map vers22b.ver vers22b.dsym ""
    916 build_vers_lib_pic "vers22" vers22.c vers22 "vers22a.so vers22b.so" "" vers22.ver vers22.dsym ""
    917 
    918 # Test versioned definitions in different files.
    919 if [string match "yes" $pic] then {
    920     xfail "vers23a"
    921     xfail "vers23b"
    922     xfail "vers23c"
    923     xfail "vers23d"
    924     xfail "vers23"
    925 } else {
    926     build_vers_lib_no_pic "vers23a" vers23a.c vers23a "" vers23a.map vers23a.ver vers23a.dsym vers23a.sym
    927     build_vers_lib_no_pic "vers23b" vers23b.c vers23b "" vers23b.map vers23b.ver vers23b.dsym ""
    928     build_vers_lib_no_pic "vers23c" vers23b.c vers23c "vers23a.so" vers23b.map vers23c.ver vers23b.dsym ""
    929     build_exec "vers23d" vers23.c vers23d "-Wl,--no-as-needed tmpdir/vers23a.so tmpdir/vers23c.so" "" vers23.ver vers23d.dsym ""
    930     build_exec "vers23" vers23.c vers23 "-Wl,--no-as-needed tmpdir/vers23a.so tmpdir/vers23b.o tmpdir/vers23b.so" "" vers23.ver vers23.dsym ""
    931 }
    932 
    933 # Test .symver x,x (at) VERS.0
    934 set as_pic_flags ""
    935 if [istarget sparc*-*-*] {
    936   set as_pic_flags "-K PIC"
    937 }
    938 run_ld_link_tests [list "\"vers24a\"
    939 			 \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
    940 			 \"$as_pic_flags $as_options\" {vers24a.c vers24b.c} { { readelf -Wrs vers24.rd } }
    941 			 \"libvers24a.so\" \"-fpic\""]
    942 run_ld_link_tests [list "\"vers24b\"
    943 			 \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
    944 			 \"$as_pic_flags $as_options\" {vers24b.c vers24a.c} { { readelf -Wrs vers24.rd } }
    945 			 \"libvers24b.so\" \"-fpic\""]
    946 run_ld_link_tests [list "\"vers24c\"
    947 			 \"-shared --version-script $srcdir/$subdir/vers24.map\" \"\"
    948 			 \"$as_pic_flags $as_options\" {vers24c.c} { { readelf -Wrs vers24.rd } }
    949 			 \"libvers24c.so\" \"-fpic\""]
    950 
    951 # Test versioned definition vs. normal definition in different files.
    952 if [string match "yes" $pic] then {
    953     xfail "vers25a"
    954     xfail "vers25b1"
    955     xfail "vers25b2"
    956 } else {
    957     build_vers_lib_no_pic "vers25a" vers25a.c vers25a "" vers25a.map vers25a.ver vers25a.dsym ""
    958     build_vers_lib_no_pic "vers25b1" vers25b.c vers25b1 "vers25a.o vers25a.so" "" vers25b.ver vers25b.dsym ""
    959     build_vers_lib_no_pic "vers25b2" vers25b.c vers25b2 "vers25a.so vers25a.o" "" vers25b.ver vers25b.dsym ""
    960 }
    961 
    962 build_vers_lib_pic "vers26a" vers26a.c vers26a "" vers26a.map vers26a.ver vers26a.dsym ""
    963 build_vers_lib_pic "vers26b1" vers26b.c vers26b1 "" "" vers26b.ver vers26b.dsym ""
    964 build_vers_lib_pic "vers26b2" vers26b.c vers26b2 "vers26a.so vers26b1.so vers26a.o" "" vers26b.ver vers26b.dsym ""
    965 if [string match "yes" $pic] then {
    966     xfail "vers26b3"
    967 } else {
    968     build_vers_lib_no_pic "vers26b3" vers26b.c vers26b3 "vers26a.so vers26b1.so vers26a.o" "" vers26b.ver vers26b.dsym ""
    969 }
    970 
    971 # Test versioned definition vs. hidden definition in different files.
    972 if [string match "yes" $pic] then {
    973     xfail "vers27a"
    974     xfail "vers27b"
    975     xfail "vers27c1"
    976     xfail "vers27c2"
    977     xfail "vers27d1"
    978     xfail "vers27d2"
    979     xfail "vers27d3"
    980     xfail "vers27d4"
    981     xfail "vers27d5"
    982 } else {
    983     build_vers_lib_no_pic "vers27a" vers27a.c vers27a "" vers27a.map vers27a.ver vers27a.dsym ""
    984     build_vers_lib_no_pic "vers27b" vers27b.c vers27b "" "" vers27b.ver vers27b.dsym ""
    985     build_vers_lib_no_pic "vers27c1" vers27c.c vers27c1 "vers27b.o vers27a.so" "" vers27c.ver vers27c.dsym ""
    986     build_vers_lib_no_pic "vers27c2" vers27c.c vers27c2 "vers27a.so vers27b.o" "" vers27c.ver vers27c.dsym ""
    987     build_vers_lib_pic "vers27d1" vers27d1.c vers27d1 "" vers27a.map vers27d.ver vers27d.dsym vers27d.sym
    988    build_vers_lib_pic "vers27d2" vers27d2.c vers27d2 "" "" vers27b.ver vers27b.dsym ""
    989     build_executable "vers27d3" vers27d3.c vers27d3 "vers27b.o vers27d2.so vers27d1.so" "" vers27b.ver vers27b.dsym ""
    990     build_vers_lib_pic "vers27d4" vers27d2.c vers27d4 "vers27a.so" "" vers27d4.ver vers27d4.dsym ""
    991     build_executable "vers27d5" vers27d3.c vers27d5 "vers27d4.so vers27b.o vers27a.so" "" vers27b.ver vers27b.dsym ""
    992 }
    993 
    994 # Test weak versioned definition vs. strong definition in different
    995 # files.
    996 build_vers_lib_pic "vers28a" vers28a.c vers28a "" "" vers28a.ver vers28a.dsym ""
    997 build_vers_lib_pic "vers28b" vers28b.c vers28b "" vers28b.map vers28b.ver vers28b.dsym ""
    998 build_vers_lib_pic "vers28c" vers28c.c vers28c "vers28b.so vers28a.so" "" vers28c.ver vers28c.dsym ""
    999 build_vers_lib_pic_flags "vers29" vers29.c vers29 "" "" vers29.ver vers29.dsym "" "--default-symver"
   1000 
   1001 # Test #30 - test handling of symbol names global, local and extern in the
   1002 # version script.
   1003 build_vers_lib_pic "vers30" vers30.c vers30 "" vers30.map vers30.ver vers30.dsym ""
   1004 
   1005 # Test #31 -- quoted strings in version sections.
   1006 build_vers_lib_pic "vers31" vers31.c vers31 "" vers31.map vers31.ver vers31.dsym ""
   1007 
   1008 # Test #32 -- linker --defsym
   1009 build_vers_lib_pic "vers32a" vers32a.c vers32a "" vers32.map vers32a.ver vers32a.dsym ""
   1010 build_vers_lib_pic_flags "vers32b" vers32b.c vers32b "vers32a.so" vers32.map vers32b.ver vers32b.dsym "" "--defsym foo=0"
   1011