# 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 } }