# Test NOCROSSREFS in a linker script. # By Ian Lance Taylor, Cygnus Support. # Copyright 2000, 2001, 2002, 2003, 2004 # Free Software Foundation, Inc. # # 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. set test1 "NOCROSSREFS 1" set test2 "NOCROSSREFS 2" if { [which $CC] == 0 } { untested $test1 untested $test2 return } # Xtensa targets currently default to putting literal values in a separate # section and that requires linker script support, so put literals in text. global CFLAGS if [istarget xtensa*-*-*] { set CFLAGS "$CFLAGS -mtext-section-literals" } if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \ || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } { unresolved $test1 unresolved $test2 return } set flags [big_or_little_endian] # The a29k compiled code calls V_SPILL and V_FILL. Since we don't # need to run this code, but we don't have definitions for those # functions, we just define them out. if [istarget a29k*-*-*] { set flags "$flags --defsym V_SPILL=0 --defsym V_FILL=0" } if [istarget sh64*-*-elf] { # This is what gcc passes to ld by default. set flags "-mshelf32" } # IA64 has both ordered and unordered sections in an input file. setup_xfail ia64-*-* 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 } }