ld/testsuite/ld-scripts/crossref.exp

   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 if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \
  30      || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } {
  31     unresolved $test1
  32     unresolved $test2
  33     return
  34 }
  35
  36 set flags [big_or_little_endian]
  37
  38 # The a29k compiled code calls V_SPILL and V_FILL.  Since we don't
  39 # need to run this code, but we don't have definitions for those
  40 # functions, we just define them out.
  41 if [istarget a29k*-*-*] {
  42     set flags "$flags --defsym V_SPILL=0 --defsym V_FILL=0"
  43 }
  44
  45 verbose -log "$ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"
  46
  47 catch "exec $ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o" exec_output
  48
  49 set exec_output [prune_warnings $exec_output]
  50
  51 regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
  52
  53 if [string match "" $exec_output] then {
  54     fail $test1
  55 } else {
  56     verbose -log "$exec_output"
  57     if [regexp "prohibited cross reference from .* to `foo' in" $exec_output] {
  58         pass $test1
  59     } else {
  60         fail $test1
  61     }
  62 }
  63
  64 # Check cross references within a single object.
  65
  66 if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } {
  67     unresolved $test2
  68     return
  69 }
  70
  71 verbose -log "$ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"
  72
  73 catch "exec $ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o" exec_output
  74
  75 set exec_output [prune_warnings $exec_output]
  76
  77 regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
  78
  79 if [string match "" $exec_output] then {
  80     fail $test2
  81 } else {
  82     verbose -log "$exec_output"
  83     if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] {
  84         pass $test2
  85     } else {
  86         fail $test2
  87     }
  88 }