ld/testsuite/ld-scripts/crossref.exp

   1 # Test NOCROSSREFS in a linker script.
   2 # By Ian Lance Taylor, Cygnus Support.
   3
   4 set test1 "NOCROSSREFS 1"
   5 set test2 "NOCROSSREFS 2"
   6
   7 if { [which $CC] == 0 } {
   8     untested $test1
   9     untested $test2
  10     return
  11 }
  12
  13 if { ![ld_compile $CC "$srcdir/$subdir/cross1.c" tmpdir/cross1.o] \
  14      || ![ld_compile $CC "$srcdir/$subdir/cross2.c" tmpdir/cross2.o] } {
  15     unresolved $test1
  16     unresolved $test2
  17     return
  18 }
  19
  20 set flags ""
  21
  22 # The a29k compiled code calls V_SPILL and V_FILL.  Since we don't
  23 # need to run this code, but we don't have definitions for those
  24 # functions, we just define them out.
  25 if [istarget a29k*-*-*] {
  26     set flags "$flags --defsym V_SPILL=0 --defsym V_FILL=0"
  27 }
  28
  29 # hppa-elf needs a definition for $global$.
  30 if [istarget hppa*-*-*] {
  31     set flags "$flags --defsym '\$global\$'=0"
  32 }
  33
  34 verbose -log "$ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o"
  35
  36 catch "exec $ld $flags -o tmpdir/cross1 -T $srcdir/$subdir/cross1.t tmpdir/cross1.o tmpdir/cross2.o" exec_output
  37
  38 set exec_output [prune_warnings $exec_output]
  39
  40 regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
  41
  42 if [string match "" $exec_output] then {
  43     fail $test1
  44 } else {
  45     verbose -log "$exec_output"
  46     if [regexp "prohibited cross reference from .* to `foo' in" $exec_output] {
  47         pass $test1
  48     } else {
  49         fail $test1
  50     }
  51 }
  52
  53 # Check cross references within a single object.
  54
  55 if { ![ld_compile $CC "$srcdir/$subdir/cross3.c" tmpdir/cross3.o] } {
  56     unresolved $test2
  57     return
  58 }
  59
  60 verbose -log "$ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o"
  61
  62 catch "exec $ld $flags -o tmpdir/cross2 -T $srcdir/$subdir/cross2.t tmpdir/cross3.o" exec_output
  63
  64 set exec_output [prune_warnings $exec_output]
  65
  66 regsub -all "(^|\n)($ld: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
  67
  68 if [string match "" $exec_output] then {
  69     fail $test2
  70 } else {
  71     verbose -log "$exec_output"
  72     if [regexp "prohibited cross reference from .* to `.*' in" $exec_output] {
  73         pass $test2
  74     } else {
  75         fail $test2
  76     }
  77 }