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# Expect script for ld-version tests
# Copyright (C) 1997, 1998, 1999 Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Written by Eric Youngdale (eric@andante.jic.com)
#
# This test can only be run if ld generates native executables.
if ![isnative] then {return}
# This test can only be run on a couple of ELF platforms.
# Square bracket expressions seem to confuse istarget.
# This is similar to the test that is used in ld-shared, BTW.
if { ![istarget i?86-*-sysv4*] \
&& ![istarget i?86-*-unixware] \
&& ![istarget i?86-*-elf*] \
&& ![istarget i?86-*-linux*] \
&& ![istarget m68k-*-linux*] \
&& ![istarget mips*-*-irix5*] \
&& ![istarget powerpc-*-elf*] \
&& ![istarget powerpc-*-linux*] \
&& ![istarget powerpc-*-sysv4*] \
&& ![istarget sparc*-*-elf] \
&& ![istarget sparc*-*-solaris2*] \
&& ![istarget sparc*-*-linux*] \
&& ![istarget alpha*-*-linux*] } {
return
}
if { [istarget i?86-*-linuxaout*] \
|| [istarget i?86-*-linuxoldld*] \
|| [istarget m68k-*-linuxaout*] } {
return
}
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
return
}
set diff diff
set tmpdir tmpdir
set VOBJDUMP_FLAGS --private-headers
set DOBJDUMP_FLAGS --dynamic-syms
set SOBJDUMP_FLAGS --syms
set shared --shared
set script --version-script
proc test_ar { test lib object expect } {
global ar
global nm
global tmpdir
global srcdir
global subdir
global diff
verbose -log "$ar -cr $tmpdir/$lib $tmpdir/$object"
catch "exec $ar -cr $tmpdir/$lib $tmpdir/$object" exec_output
set exec_output [prune_warnings $exec_output]
if ![string match "" $exec_output] {
verbose -log "$exec_output"
unresolved "$test"
return
}
verbose -log "$nm --print-armap $tmpdir/$lib | grep \" in \" | egrep \"VERS\\|bar\\|foo\" | sort > $tmpdir/nm.out"
catch "exec $nm --print-armap $tmpdir/$lib | grep \\\ in\\\ | egrep VERS\\\|bar\\\|foo | sort > $tmpdir/nm.out" exec_output
if [string match "" $exec_output] then {
catch "exec $diff -q $tmpdir/nm.out $srcdir/$subdir/$expect" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
pass $test
return
} else {
verbose -log "$exec_output"
fail "$test"
return
}
} else {
verbose -log "$exec_output"
fail "$test"
}
}
#
# objdump_emptysymstuff
# Check non-dynamic symbols and make sure there are none with '@'.
#
proc objdump_emptysymstuff { objdump object } {
global SOBJDUMP_FLAGS
global version_output
global diff
if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
verbose -log "$objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p"
catch "exec $objdump $SOBJDUMP_FLAGS $object | sed -n /\@/p" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
# We shouldn't get anything here.
return 1
} else {
# it is not normal to come here - we have no output to compare.
verbose -log "$exec_output"
verbose -log "objdump_emptysymstuff: did not expect any output from objdump"
return 0
}
}
#
# objdump_emptydynsymstuff
# Check dynamic symbols and make sure there are none with '@'.
#
proc objdump_emptydynsymstuff { objdump object } {
global DOBJDUMP_FLAGS
global version_output
global diff
if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
verbose -log "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p"
catch "exec $objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
# We shouldn't get anything here.
return 1
} else { if [string match "*objdump: *: not a dynamic object" $exec_output] then {
return 1
} else {
# it is not normal to come here - we have no output to compare.
verbose -log "$exec_output"
verbose -log "objdump_emptydynsymstuff: did not expect any output from objdump"
return 0
} }
}
#
# objdump_emptyverstuff
# Make sure there is no version information
#
proc objdump_emptyverstuff { objdump object } {
global VOBJDUMP_FLAGS
global version_output
global diff
global tmpdir
if {[which $objdump] == 0} then {
perror "$objdump does not exist"
return 0
}
if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
# it is normal to fail here - we have no output to compare.
return 1
} else { if { [string match "*libc*" $exec_output] } then {
# this probably means that there is version information in libc, so we
# can't really perform this test.
return 1
} else {
verbose -log "$exec_output"
verbose -log "objdump_emptyverstuff: did not expect any output from objdump"
return 0
} }
}
#
# objdump_symstuff
# Dump non-dynamic symbol stuff and make sure that it is sane.
#
proc objdump_symstuff { objdump object expectfile } {
global SOBJDUMP_FLAGS
global version_output
global diff
global tmpdir
if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" }
verbose -log "$objdump $SOBJDUMP_FLAGS $object | grep \@ | sort > $tmpdir/objdump.out"
catch "exec $objdump $SOBJDUMP_FLAGS $object | grep \@ | sort > $tmpdir/objdump.out" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
# Now do a line-by-line comparison to effectively diff the darned things
# The stuff coming from the expectfile is actually a regex, so we can
# skip over the actual addresses and so forth. This is currently very
# simpleminded - it expects a one-to-one correspondence in terms of line
# numbers.
if [file exists $expectfile] then {
set file_a [open $expectfile r]
} else {
perror "$expectfile doesn't exist"
return 0
}
if [file exists $tmpdir/objdump.out] then {
set file_b [open $tmpdir/objdump.out r]
} else {
perror "$tmpdir/objdump.out doesn't exist"
return 0
}
verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
set eof -1
set differences 0
while { [gets $file_a line] != $eof } {
if [regexp "^#.*$" $line] then {
continue
} else {
lappend list_a $line
}
}
close $file_a
while { [gets $file_b line] != $eof } {
if [regexp "^#.*$" $line] then {
continue
} else {
lappend list_b $line
}
}
close $file_b
for { set i 0 } { $i < [llength $list_a] } { incr i } {
set line_a [lindex $list_a $i]
set line_b [lindex $list_b $i]
verbose "\t$expectfile: $i: $line_a" 3
verbose "\t/tmp/objdump.out: $i: $line_b" 3
if [regexp $line_a $line_b] then {
continue
} else {
verbose -log "\t$expectfile: $i: $line_a"
verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
return 0
}
}
if { [llength $list_a] != [llength $list_b] } {
verbose -log "Line count"
return 0
}
if $differences<1 then {
return 1
}
return 0
} else {
verbose -log "$exec_output"
return 0
}
}
#
# objdump_dymsymstuff
# Dump dynamic symbol stuff and make sure that it is sane.
#
proc objdump_dynsymstuff { objdump object expectfile } {
global DOBJDUMP_FLAGS
global version_output
global diff
global tmpdir
if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" }
verbose -log "$objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p | sort | uniq > $tmpdir/objdump.out"
catch "exec $objdump $DOBJDUMP_FLAGS $object | sed -n /VERS/p\\\;/show/p | sort | uniq > $tmpdir/objdump.out" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
# Now do a line-by-line comparison to effectively diff the darned things
# The stuff coming from the expectfile is actually a regex, so we can
# skip over the actual addresses and so forth. This is currently very
# simpleminded - it expects a one-to-one correspondence in terms of line
# numbers.
if [file exists $expectfile] then {
set file_a [open $expectfile r]
} else {
warning "$expectfile doesn't exist"
return 0
}
if [file exists $tmpdir/objdump.out] then {
set file_b [open $tmpdir/objdump.out r]
} else {
fail "$tmpdir/objdump.out doesn't exist"
return 0
}
verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2
set eof -1
set differences 0
while { [gets $file_a line] != $eof } {
if [regexp "^#.*$" $line] then {
continue
} else {
lappend list_a $line
}
}
close $file_a
while { [gets $file_b line] != $eof } {
if [regexp "^#.*$" $line] then {
continue
} else {
lappend list_b $line
}
}
close $file_b
for { set i 0 } { $i < [llength $list_b] } { incr i } {
set line_b [lindex $list_b $i]
# The tests are rigged so that we should never export a symbol with the
# word 'hide' in it. Thus we just search for it, and bail if we find it.
if [regexp "hide" $line_b] then {
verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
return 0
}
verbose "\t$expectfile: $i: $line_b" 3
# We can't assume that the sort is consistent across
# systems, so we must check each regexp. When we find a
# regexp, we null it out, so we don't match it twice.
for { set j 0 } { $j < [llength $list_a] } { incr j } {
set line_a [lindex $list_a $j]
if [regexp $line_a $line_b] then {
lreplace $list_a $j $j "CAN NOT MATCH"
break
}
}
if { $j >= [llength $list_a] } {
verbose -log "\t$tmpdir/objdump.out: $i: $line_b"
return 0
}
}
if { [llength $list_a] != [llength $list_b] } {
verbose -log "Line count"
return 0
}
if $differences<1 then {
return 1
}
return 0
} else {
verbose -log "$exec_output"
return 0
}
}
#
# objdump_versionstuff
# Dump version definitions/references and make sure that it is sane.
#
proc objdump_versionstuff { objdump object expectfile } {
global VOBJDUMP_FLAGS
global version_output
global diff
global tmpdir
if {[which $objdump] == 0} then {
perror "$objdump does not exist"
return 0
}
if ![info exists VOBJDUMP_FLAGS] { set VOBJDUMP_FLAGS "" }
verbose -log "$objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out"
catch "exec $objdump $VOBJDUMP_FLAGS $object | sed -n /Version/,\\\$p > $tmpdir/objdump.out" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
# It's OK if there are extra lines in the actual output; they
# may come from version information in libc. We require that
# every line in EXPECTFILE appear in the output in order.
set f1 [open $tmpdir/objdump.out r]
set f2 [open $expectfile r]
gets $f2 l2
while { [gets $f1 l1] != -1 } {
if { [string match $l2 $l1] } then {
if { [gets $f2 l2] == -1 } then {
close $f1
close $f2
return 1
}
}
}
# We reached the end of the output without seeing the line we
# expected. This is a test failure.
close $f1
close $f2
verbose -log "Did not find \"$l2\""
set f1 [open $tmpdir/objdump.out r]
while { [gets $f1 l1] != -1 } {
verbose -log $l1
}
verbose -log "$exec_output"
return 0
} else {
verbose -log "$exec_output"
return 0
}
}
proc build_vers_lib { test source libname other mapfile verexp versymexp symexp } {
global ld
global srcdir
global subdir
global exec_output
global host_triplet
global tmpdir
global as
global objdump
global CC
global CFLAGS
global shared
global script
if ![ld_compile "$CC -S $CFLAGS" $srcdir/$subdir/$source $tmpdir/$libname.s] {
unresolved "$test"
return
}
if ![ld_assemble $as $tmpdir/$libname.s $tmpdir/$libname.o ] {
unresolved "$test"
return
}
if [string match "" $other] then {
set other_lib ""
} else {
set other_lib $tmpdir/$other
}
if [string match "" $mapfile] then {
set script_arg ""
} else {
set script_arg "$script $srcdir/$subdir/$mapfile"
}
if {![ld_simple_link $ld $tmpdir/$libname.so "$shared $tmpdir/$libname.o $other_lib $script_arg"]} {
fail "$test"
return
}
if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]} {
fail "$test"
return
}
if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]} {
fail "$test"
return
}
if [string match "" $symexp] then {
if {![objdump_emptysymstuff $objdump $tmpdir/$libname.o ]} {
fail "$test"
return
}
} else {
if {![objdump_symstuff $objdump $tmpdir/$libname.o $srcdir/$subdir/$symexp ]} {
fail "$test"
return
}
}
pass $test
}
proc test_ldfail { test flag source execname other mapfile whyfail } {
global ld
global srcdir
global subdir
global exec_output
global host_triplet
global tmpdir
global as
global objdump
global CC
global CFLAGS
global script
if [string match "" $other] then {
set other_lib ""
} else {
set other_lib $tmpdir/$other
}
if ![ld_compile "$CC -S $flag $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s] {
unresolved "$test"
return
}
if ![ld_assemble $as $tmpdir/$execname.s $tmpdir/$execname.o ] {
unresolved "$test"
return
}
verbose -log "This link should fail because of $whyfail"
if [string match "" $mapfile] then {
set script_arg ""
} else {
set script_arg "$script $srcdir/$subdir/$mapfile"
}
if {![ld_link $ld $tmpdir/$execname "$tmpdir/$execname.o $other_lib $script_arg"]} {
pass "$test"
return
}
fail "$test"
}
proc test_asfail { test flag source execname whyfail } {
global srcdir
global subdir
global tmpdir
global as
global CC
global CFLAGS
if ![ld_compile "$CC -S $flag $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s] {
unresolved "$test"
return
}
verbose -log "This assemble should fail because of $whyfail"
catch "exec $as -o $tmpdir/$execname.o $tmpdir/$execname.s" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
fail "$test"
return
}
verbose -log "$exec_output"
pass "$test"
}
proc test_strip_vers_lib { test srclib libname verexp versymexp } {
global strip
global srcdir
global subdir
global exec_output
global host_triplet
global tmpdir
global objdump
verbose -log "cp $tmpdir/$srclib $tmpdir/$libname.so"
exec cp $tmpdir/$srclib $tmpdir/$libname.so
verbose -log "$strip $tmpdir/$libname.so"
catch "exec $strip $tmpdir/$libname.so" exec_output
if [string match "" $exec_output] then {
# If strip went OK, then run the usual tests on the thing to make sure that
# it is sane.
if {![objdump_versionstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$verexp ]} {
fail "$test"
return
}
if {![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$versymexp ]} {
fail "$test"
return
}
} else {
verbose -log "$exec_output"
fail "$test"
return
}
pass $test
}
proc build_exec { test source execname flags solibname verexp versymexp symexp } {
global ld
global srcdir
global subdir
global exec_output
global host_triplet
global tmpdir
global as
global objdump
global CC
global CFLAGS
set shared --shared
set script --version-script
if ![ld_compile "$CC -S $CFLAGS" $srcdir/$subdir/$source $tmpdir/$execname.s] {
unresolved "$test"
return
}
if ![ld_assemble $as $tmpdir/$execname.s $tmpdir/$execname.o ] {
unresolved "$test"
return
}
if [string match "" $solibname] then {
set solibname_lib ""
} else {
set solibname_lib $tmpdir/$solibname
}
if {![ld_link $ld $tmpdir/$execname "$flags $tmpdir/$execname.o $solibname_lib"]} {
fail "$test"
return
}
if [string match "" $verexp] then {
#
# Make sure we get nothing back.
#
if {![objdump_emptyverstuff $objdump $tmpdir/$execname ]} {
fail "$test"
return
}
} else {
if {![objdump_versionstuff $objdump $tmpdir/$execname $srcdir/$subdir/$verexp ]} {
fail "$test"
return
}
}
if [string match "" $versymexp] then {
if {![objdump_emptydynsymstuff $objdump $tmpdir/$execname ]} {
fail "$test"
return
}
} else {
if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$versymexp ]} {
fail "$test"
return
}
}
if [string match "" $symexp] then {
if {![objdump_emptysymstuff $objdump $tmpdir/$execname.o ]} {
fail "$test"
return
}
} else {
if {![objdump_symstuff $objdump $tmpdir/$execname.o $srcdir/$subdir/$symexp ]} {
fail "$test"
return
}
}
pass $test
}
#
# Basic test - build a library with versioned symbols.
#
build_vers_lib "vers1" vers1.c vers1 "" vers1.map vers1.ver vers1.dsym vers1.sym
#
# Test #2 - build a library, and link it against the library we built in step
# 1.
#
build_vers_lib "vers2" vers2.c vers2 vers1.so vers2.map vers2.ver vers2.dsym ""
#
# Test #3 - build an executable, and link it against vers1.so.
#
build_exec "vers3" vers3.c vers3 "" vers1.so vers3.ver vers3.dsym ""
#
# Test #4 - Make sure a version implicitly defined in an executable
# causes a version node to be created. Verify this both with and without
# --export-dynamic.
#
# This test fails on MIPS. On the MIPS we must put foo in the dynamic
# symbol table, which the test does not expect.
setup_xfail "mips*-*-*"
build_exec "vers4" vers4.c vers4 "" "" "" "" vers4.sym
build_exec "vers4a" vers4.c vers4a "-export-dynamic" "" vers4a.ver vers4a.dsym vers4a.sym
#
# Try multiple definitions foo@BAR and foo@@BAR and make sure the linker
# complains.
#
test_ldfail "vers5" "" vers5.c vers5 "" "" "multiple definition of foo@VERS_1.2"
#
#
# Now build a test that should reference a bunch of versioned symbols.
# All of them should be correctly referenced.
#
build_exec "vers6" vers6.c vers6 "" vers1.so vers6.ver vers6.dsym vers6.sym
#
# Another test to verify that something made local via 'local' is truly not
# accessible.
#
build_vers_lib "vers7a" vers7a.c vers7a "" vers7.map vers7a.ver vers7a.dsym vers7a.sym
test_ldfail "vers7" "" vers7.c vers7 vers7a.so "" "undefined reference to hide_a"
#
# This test is designed to verify that we can pass a linker script on the
# command line as if it were a normal .o file.
#
catch "exec cp $srcdir/$subdir/vers8.map $tmpdir/" ignore_output
build_vers_lib "vers8" vers1.c vers8 vers8.map "" vers8.ver vers1.dsym vers1.sym
#
# This test tries to make sure that version references to versioned symbols
# don't collide with default definitions with the same symbol.
#
build_exec "vers9" vers9.c vers9 "-export-dynamic" "" vers9.ver vers9.dsym vers9.sym
#
# Try and use a non-existant version node. The linker should fail with
# an error message.
#
test_ldfail "vers10" "-DDO_TEST10" vers1.c vers10 "" "vers1.map --shared" "invalid version"
#
# Try and some things the assembler should complain about.
#
test_asfail "vers11" "-DDO_TEST11" vers1.c vers11 "no @ in symver"
test_asfail "vers12" "-DDO_TEST12" vers1.c vers12 "extern version definition"
#
# Put a shared library in an archive library, and make sure the global
# archive symbol table is sane.
#
test_ar "ar with versioned solib" vers13.a vers1.so vers13.asym
#
# Strip a shared library, and make sure we didn't screw something up in there.
#
test_strip_vers_lib "vers14" vers1.so vers14 vers1.ver vers1.dsym
#
# Build another test with some versioned symbols. Here we are going to
# try and override something from the library, and we shouldn't get
# any errors.
#
build_exec "vers15" vers15.c vers15 "" vers1.so vers15.ver vers15.dsym vers15.sym
#
# Test that when we override a versioned symbol from the library this
# symbol appears in the dynamic symbol table of the executable.
#
build_vers_lib "vers16a" vers16a.c vers16a "" vers16.map vers16a.ver vers16a.dsym ""
build_exec "vers16" vers16.c vers16 "" vers16a.so "" vers16.dsym ""
# Test a weak versioned symbol.
build_vers_lib "vers17" vers17.c vers17 "" vers17.map vers17.ver vers17.dsym ""
build_vers_lib "vers18" vers18.c vers18 vers17.so vers18.map vers18.ver vers18.dsym vers18.sym
build_exec "vers19" vers19.c vers19 "-rpath ." vers18.so vers19.ver vers19.dsym ""