ld/testsuite/ld-cygwin/exe-export.exp

   1 # Expect script for export table in executables tests
   2 #   Copyright 2003
   3 #   Free Software Foundation, Inc.
   4 #
   5 # This file is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  18 #
  19 # Written by Fabrizio Gennari <fabrizio.ge@tiscalinet.it>
  20 # Based on auto-import.exp  by Ralf.Habacker@freenet.de
  21 #
  22
  23 # This test can only be run on a cygwin platforms.
  24 if {![istarget *-pc-cygwin]} {
  25     verbose "Not a cygwin target."
  26     return
  27 }
  28
  29 # No compiler, no test.
  30 if { [which $CC] == 0 } {
  31     untested "Exe export test (no compiler available)"
  32     return
  33 }
  34
  35 proc run_dlltool { lib_file def_file } {
  36     global dlltool
  37     global base_dir
  38     global as
  39
  40     if ![info exists dlltool] then {
  41         set dlltool [findfile $base_dir/../binutils/dlltool]
  42     }
  43
  44     if { [which $dlltool] == 0 } then {
  45         verbose "$dlltool does not exist"
  46         return 0
  47     }
  48
  49     verbose "$dlltool --as $as -l $lib_file -d $def_file"
  50     catch "exec $dlltool --as $as -l $lib_file -d $def_file" dlltool_output
  51
  52     #remove empty lines
  53     regsub -all "\n+" $dlltool_output "" dlltool_output
  54
  55     if [string match "" $dlltool_output] then {
  56         return 1
  57     }
  58
  59     verbose -log "$dlltool_output"
  60     return 0
  61 }
  62
  63 # ld_special_link
  64 #       A copy of ld_simple_link (from ld-lib.exp) with extra
  65 #       code to strip warnings about creating libraries.
  66 #
  67 proc ld_special_link { ld target objects } {
  68     global host_triplet
  69     global link_output
  70
  71     if { [which $ld] == 0 } then {
  72         verbose "$ld does not exist"
  73         return 0
  74     }
  75
  76     if [is_endian_output_format $objects] then {
  77         set flags [big_or_little_endian]
  78     } else {
  79         set flags ""
  80     }
  81
  82     verbose -log "$ld $flags -o $target $objects"
  83     catch "exec $ld $flags -o $target $objects" link_output
  84
  85     set exec_output [prune_warnings $link_output]
  86
  87     # We don't care if we get a warning about a non-existent start
  88     # symbol, since the default linker script might use ENTRY.
  89     regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
  90
  91     # We don't care if we get a message about creating a library file.
  92     regsub -all "(^|\n)(Creating library file\[^\n\]*\n?)" $exec_output "\\1" exec_output
  93
  94     if [string match "" $exec_output] then {
  95         return 1
  96     }
  97
  98     verbose -log "$exec_output"
  99     return 0
 100 }
 101
 102 set tmpdir tmpdir
 103
 104 # Set some libs needed for cygwin.
 105 set MYLDFLAGS "-Wl,--out-implib,$tmpdir/testexe.lib -nostartfiles -nostdlib"
 106
 107 # Build an export library for testdll
 108 if ![run_dlltool $tmpdir/testdll.lib $srcdir/$subdir/testdll.def] {
 109     fail "building an export library for the shared lib"
 110     return
 111 }
 112
 113 # Compile the executable.
 114 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/testexe.c $tmpdir/testexe.o] {
 115     fail "compiling executable"
 116     return
 117 }
 118
 119 if ![ld_special_link "$CC $LDFLAGS $MYLDFLAGS -e _testexe_main@16" $tmpdir/testexe.exe "$tmpdir/testexe.o $srcdir/$subdir/testexe.def $tmpdir/testdll.lib"] {
 120     fail "linking executable"
 121     return
 122 }
 123
 124 # Compile the dll.
 125 if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/testdll.c $tmpdir/testdll.o] {
 126     fail "compiling shared lib"
 127     return
 128 }
 129
 130 if ![ld_special_link "$CC $LDFLAGS -nostartfiles -nostdlib -e _testdll_main@12" $tmpdir/testdll.dll "$tmpdir/testdll.o $srcdir/$subdir/testdll.def $tmpdir/testexe.lib"] {
 131     fail "linking shared lib"
 132     return
 133 }
 134
 135 # This is as far as we can go with a cross-compiler
 136 if ![isnative] then {
 137     verbose "Not running natively, so cannot execute binary"
 138     pass "Compile and link and executable with an export table"
 139     return
 140 }
 141
 142 verbose -log "executing $tmpdir/testexe.exe"
 143 catch "exec $tmpdir/testexe.exe" prog_output
 144
 145 set expected ""
 146 if [string match $expected $prog_output] then {
 147     pass "export table in executable"
 148 } else {
 149     verbose $prog_output
 150     fail "Output does not match expected string $expected"
 151 }