2001-01-01 Philip Blundell <philb@gnu.org>

[deliverable/binutils-gdb.git] / ld / testsuite / ld-undefined / weak-undef.exp

# Test handling of weak undefined symbols

set testname "weak undefined symbols"

# This test only works for ELF targets.  It ought to work for some
# a.out targets, but it doesn't.

if { ![istarget *-*-sysv4*] \
     && ![istarget *-*-unixware*] \
     && ![istarget *-*-elf*] \
     && ![istarget *-*-eabi*] \
     && ![istarget *-*-linux*] \
     && ![istarget *-*-irix5*] \
     && ![istarget *-*-irix6*] \
     && ![istarget *-*-solaris2*] } then {
    return
}

if { [istarget *-*-linux*aout*] \
     || [istarget *-*-linux*oldld*] } {
    return
}

if {! [ld_assemble $as $srcdir/$subdir/weak-undef.s tmpdir/weak-undef.o]} then {
    # It's OK if .weak doesn't work on this target.
    unresolved $testname
    return
}

# The linker should accept references to undefined weaks without error,
# and resolve them to zero.

set output_regexp \
".*Contents of section .data:.*0000 00000000 11111111.*"

if {! [ld_simple_link $ld tmpdir/weak-undef "$flags tmpdir/weak-undef.o -T $srcdir/$subdir/weak-undef.t"] } then {
    fail $testname
} else {
    if {[which $objdump] == 0} then {
	unresolved $testname
	return
    }

    verbose -log "$objdump -s tmpdir/weak-undef"
    catch "exec $objdump -s tmpdir/weak-undef" exec_output
    set exec_output [prune_warnings $exec_output]
    verbose -log $exec_output

    if {[regexp $output_regexp $exec_output]} then {
	pass $testname
    } else {
	fail $testname
    }
}