| 1 | # Test NOCROSSREFS in a linker script. |
| 2 | # By Ian Lance Taylor, Cygnus Support. |
| 3 | # Copyright 2001 |
| 4 | # Free Software Foundation, Inc. |
| 5 | # |
| 6 | # This file is free software; you can redistribute it and/or modify |
| 7 | # it under the terms of the GNU General Public License as published by |
| 8 | # the Free Software Foundation; either version 2 of the License, or |
| 9 | # (at your option) any later version. |
| 10 | # |
| 11 | # This program is distributed in the hope that it will be useful, |
| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | # GNU General Public License for more details. |
| 15 | # |
| 16 | # You should have received a copy of the GNU General Public License |
| 17 | # along with this program; if not, write to the Free Software |
| 18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 | |
| 20 | set test1 "NOCROSSREFS 1" |
| 21 | set test2 "NOCROSSREFS 2" |
| 22 | |
| 23 | if { [which $CC] == 0 } { |
| 24 | untested $test1 |
| 25 | untested $test2 |
| 26 | return |
| 27 | } |
| 28 | |
| 29 | # Xtensa targets currently default to putting literal values in a separate |
| 30 | # section and that requires linker script support, so put literals in text. |
| 31 | global CFLAGS |
| 32 | if [istarget xtensa*-*-*] { |
| 33 | set CFLAGS "$CFLAGS -mtext-section-literals" |
| 34 | } |
| 35 | |
| 36 | if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \ |
| 37 | || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } { |
| 38 | unresolved $test1 |
| 39 | unresolved $test2 |
| 40 | return |
| 41 | } |
| 42 | |
| 43 | set flags [big_or_little_endian] |
| 44 | |
| 45 | # The a29k compiled code calls V_SPILL and V_FILL. Since we don't |
| 46 | # need to run this code, but we don't have definitions for those |
| 47 | # functions, we just define them out. |
| 48 | if [istarget a29k*-*-*] { |
| 49 | set flags "$flags --defsym V_SPILL=0 --defsym V_FILL=0" |
| 50 | } |
| 51 | |
| 52 | if [istarget sh64*-*-elf] { |
| 53 | # This is what gcc passes to ld by default. |
| 54 | set flags "-mshelf32" |
| 55 | } |
| 56 | |
| 57 | verbose -log "$ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o" |
| 58 | |
| 59 | catch "exec $ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o" exec_output |
| 60 | |
| 61 | set exec_output [prune_warnings $exec_output] |
| 62 | |
| 63 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output |
| 64 | |
| 65 | if [string match "" $exec_output] then { |
| 66 | fail $test1 |
| 67 | } else { |
| 68 | verbose -log "$exec_output" |
| 69 | if [regexp "prohibited cross reference from .* to `.*foo' in" $exec_output] { |
| 70 | pass $test1 |
| 71 | } else { |
| 72 | fail $test1 |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | # Check cross references within a single object. |
| 77 | |
| 78 | if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } { |
| 79 | unresolved $test2 |
| 80 | return |
| 81 | } |
| 82 | |
| 83 | verbose -log "$ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o" |
| 84 | |
| 85 | catch "exec $ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o" exec_output |
| 86 | |
| 87 | set exec_output [prune_warnings $exec_output] |
| 88 | |
| 89 | regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output |
| 90 | |
| 91 | if [string match "" $exec_output] then { |
| 92 | fail $test2 |
| 93 | } else { |
| 94 | verbose -log "$exec_output" |
| 95 | if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] { |
| 96 | pass $test2 |
| 97 | } else { |
| 98 | fail $test2 |
| 99 | } |
| 100 | } |