ld/testsuite/ld-scripts/crossref.exp

   1 # Test NOCROSSREFS in a linker script.
   2 # By Ian Lance Taylor, Cygnus Support.
   3 #   Copyright 2000, 2001, 2002, 2003, 2004
   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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  19
  20 set test1 "NOCROSSREFS 1"
  21 set test2 "NOCROSSREFS 2"
  22 set test3 "NOCROSSREFS 3"
  23
  24 if { [which $CC] == 0 } {
  25     untested $test1
  26     untested $test2
  27     untested $test3
  28     return
  29 }
  30
  31 # Xtensa targets currently default to putting literal values in a separate
  32 # section and that requires linker script support, so put literals in text.
  33 global CFLAGS
  34 if [istarget xtensa*-*-*] {
  35     set CFLAGS "$CFLAGS -mtext-section-literals"
  36 }
  37
  38 if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \
  39      || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } {
  40     unresolved $test1
  41     unresolved $test2
  42     return
  43 }
  44
  45 set flags [big_or_little_endian]
  46
  47 if [istarget sh64*-*-elf] {
  48     # This is what gcc passes to ld by default.
  49     set flags "-mshelf32"
  50 }
  51
  52 # IA64 has both ordered and unordered sections in an input file.
  53 setup_xfail ia64-*-*
  54
  55 verbose -log "$ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"
  56
  57 catch "exec $ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o" exec_output
  58
  59 set exec_output [prune_warnings $exec_output]
  60
  61 regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
  62
  63 if [string match "" $exec_output] then {
  64     fail $test1
  65 } else {
  66     verbose -log "$exec_output"
  67     if [regexp "prohibited cross reference from .* to `.*foo' in" $exec_output] {
  68         pass $test1
  69     } else {
  70         fail $test1
  71     }
  72 }
  73
  74 # Check cross references within a single object.
  75
  76 if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } {
  77     unresolved $test2
  78     return
  79 }
  80
  81 verbose -log "$ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"
  82
  83 catch "exec $ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o" exec_output
  84
  85 set exec_output [prune_warnings $exec_output]
  86
  87 regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
  88
  89 if [string match "" $exec_output] then {
  90     fail $test2
  91 } else {
  92     verbose -log "$exec_output"
  93     if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] {
  94         pass $test2
  95     } else {
  96         fail $test2
  97     }
  98 }
  99
 100 # Check cross references for ld -r
 101
 102 if { ![ld_compile $CC "$srcdir/$subdir/cross4.c" tmpdir/cross4.o] } {
 103     unresolved $test3
 104     return
 105 }
 106
 107 if ![ld_relocate $ld tmpdir/cross3-partial.o "tmpdir/cross1.o tmpdir/cross4.o"] {
 108     unresolved $test3
 109     return
 110 }
 111
 112 verbose -log "$ld $flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o"
 113
 114 catch "exec $ld $flags -o tmpdir/cross3 -T $srcdir/$subdir/cross3.t tmpdir/cross3-partial.o tmpdir/cross2.o" exec_output
 115
 116 set exec_output [prune_warnings $exec_output]
 117
 118 regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
 119
 120 if [string match "" $exec_output] then {
 121     pass $test3
 122 } else {
 123     verbose -log "$exec_output"
 124     fail $test3
 125 }