| # Test NOCROSSREFS in a linker script. |
| # By Ian Lance Taylor, Cygnus Support. |
| # Copyright 2000, 2001, 2002, 2003, 2004, 2007 |
| # Free Software Foundation, Inc. |
| # |
| # This file is part of the GNU Binutils. |
| # |
| # This program 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 3 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., 51 Franklin Street - Fifth Floor, Boston, |
| # MA 02110-1301, USA. |
| |
| set test1 "NOCROSSREFS 1" |
| set test2 "NOCROSSREFS 2" |
| set test3 "NOCROSSREFS 3" |
| |
| if { ![is_remote host] && [which $CC] == 0 } { |
| untested $test1 |
| untested $test2 |
| untested $test3 |
| return |
| } |
| |
| # Xtensa targets currently default to putting literal values in a separate |
| # section and that requires linker script support, so put literals in text. |
| global CFLAGS |
| if [istarget xtensa*-*-*] { |
| set CFLAGS "$CFLAGS -mtext-section-literals" |
| } |
| |
| # If we have a compiler that doesn't use/reference dot-symbols, then |
| # calls to functions reference the .opd section function descriptor. |
| # This makes NOCROSSREFS rather useless on powerpc64. |
| if [istarget powerpc64*-*-*] { |
| set CFLAGS "$CFLAGS -mcall-aixdesc" |
| } |
| |
| # Prevent the use of the MeP's small data area which references a symbol |
| # called __sdabase which will not be defined by our test linker scripts. |
| if [istarget mep*-*-elf] { |
| set CFLAGS "-mtiny=0" |
| } |
| |
| if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \ |
| || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } { |
| unresolved $test1 |
| unresolved $test2 |
| return |
| } |
| |
| set flags [big_or_little_endian] |
| |
| if [istarget sh64*-*-elf] { |
| # This is what gcc passes to ld by default. |
| set flags "-mshelf32" |
| } |
| |
| # IA64 has both ordered and unordered sections in an input file. |
| setup_xfail ia64-*-* |
| |
| set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"] |
| |
| 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 $test2 |
| return |
| } |
| |
| set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"] |
| 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 |
| } |
| } |
| |
| # Check cross references for ld -r |
| |
| if { ![ld_compile $CC "$srcdir/$subdir/cross4.c" tmpdir/cross4.o] } { |
| unresolved $test3 |
| return |
| } |
| |
| if ![ld_relocate $ld tmpdir/cross3-partial.o "tmpdir/cross1.o tmpdir/cross4.o"] { |
| unresolved $test3 |
| return |
| } |
| |
| set exec_output [run_host_cmd "$ld" "$flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"] |
| |
| 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 { |
| pass $test3 |
| } else { |
| verbose -log "$exec_output" |
| fail $test3 |
| } |