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# Test NOCROSSREFS in a linker script.
# By Ian Lance Taylor, Cygnus Support.
set test1 "NOCROSSREFS 1"
set test2 "NOCROSSREFS 2"
if { [which $CC] == 0 } {
untested $test1
untested $test2
return
}
if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \
|| ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } {
unresolved $test1
unresolved $test2
return
}
set flags ""
# The a29k compiled code calls V_SPILL and V_FILL. Since we don't
# need to run this code, but we don't have definitions for those
# functions, we just define them out.
if [istarget a29k*-*-*] {
set flags "$flags --defsym V_SPILL=0 --defsym V_FILL=0"
}
# hppa-elf needs a definition for $global$.
if [istarget hppa*-*-*] {
set flags "$flags --defsym '\$global\$'=0"
}
verbose -log "$ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"
catch "exec $ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o" exec_output
set exec_output [prune_warnings $exec_output]
regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
if [string match "" $exec_output] then {
fail $test1
} else {
verbose -log "$exec_output"
if [regexp "prohibited cross reference from .* to `foo' in" $exec_output] {
pass $test1
} else {
fail $test1
}
}
# Check cross references within a single object.
if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } {
unresolved $test2
return
}
verbose -log "$ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"
catch "exec $ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o" exec_output
set exec_output [prune_warnings $exec_output]
regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
if [string match "" $exec_output] then {
fail $test2
} else {
verbose -log "$exec_output"
if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] {
pass $test2
} else {
fail $test2
}
}
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