# 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_outputset exec_output [prune_warnings $exec_output]regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_outputif [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_outputset exec_output [prune_warnings $exec_output]regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_outputif [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    }}