Add new test for cygwin target: building an executable with an export table.

5 files changed, 190 insertions, 0 deletions

diff --git a/ld/testsuite/ld-cygwin/exe-export.exp b/ld/testsuite/ld-cygwin/exe-export.exp
new file mode 100644
index 0000000..fe2a3ab
--- /dev/null
+++ b/ld/testsuite/ld-cygwin/exe-export.exp
@@ -0,0 +1,151 @@
+# Expect script for export table in executables tests

+#   Copyright 2003

+#   Free Software Foundation, Inc.

+#

+# This file is free software; you can redistribute it and/or modify

+# it under the terms of the GNU General Public License as published by

+# the Free Software Foundation; either version 2 of the License, or

+# (at your option) any later version.

+# 

+# This program is distributed in the hope that it will be useful,

+# but WITHOUT ANY WARRANTY; without even the implied warranty of

+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+# GNU General Public License for more details.

+# 

+# You should have received a copy of the GNU General Public License

+# along with this program; if not, write to the Free Software

+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

+#

+# Written by Fabrizio Gennari <fabrizio.ge@tiscalinet.it>

+# Based on auto-import.exp  by Ralf.Habacker@freenet.de

+#

+ 

+# This test can only be run on a cygwin platforms.

+if {![istarget *-pc-cygwin]} {

+    verbose "Not a cygwin target."

+    return

+}

+

+# No compiler, no test.

+if { [which $CC] == 0 } {

+    untested "Exe export test (no compiler available)"

+    return

+}

+

+proc run_dlltool { lib_file def_file } {

+    global dlltool

+    global base_dir

+    global as

+    

+    if ![info exists dlltool] then {

+	set dlltool [findfile $base_dir/../binutils/dlltool]

+    }

+

+    if { [which $dlltool] == 0 } then {

+	verbose "$dlltool does not exist"

+	return 0

+    }

+

+    verbose "$dlltool --as $as -l $lib_file -d $def_file"

+    catch "exec $dlltool --as $as -l $lib_file -d $def_file" dlltool_output

+

+    #remove empty lines

+    regsub -all "\n+" $dlltool_output "" dlltool_output

+

+    if [string match "" $dlltool_output] then {

+        return 1

+    }

+

+    verbose -log "$dlltool_output"

+    return 0

+}

+

+# ld_special_link

+#       A copy of ld_simple_link (from ld-lib.exp) with extra

+#       code to strip warnings about creating libraries.

+#

+proc ld_special_link { ld target objects } {

+    global host_triplet

+    global link_output

+

+    if { [which $ld] == 0 } then {

+	verbose "$ld does not exist"

+	return 0

+    }

+

+    if [is_endian_output_format $objects] then {

+        set flags [big_or_little_endian]

+    } else {

+        set flags ""

+    }

+

+    verbose -log "$ld $flags -o $target $objects"

+    catch "exec $ld $flags -o $target $objects" link_output

+

+    set exec_output [prune_warnings $link_output]

+

+    # We don't care if we get a warning about a non-existent start

+    # symbol, since the default linker script might use ENTRY.

+    regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output

+

+    # We don't care if we get a message about creating a library file.

+    regsub -all "(^|\n)(Creating library file\[^\n\]*\n?)" $exec_output "\\1" exec_output

+

+    if [string match "" $exec_output] then {

+        return 1

+    }

+

+    verbose -log "$exec_output"

+    return 0

+}

+

+set tmpdir tmpdir

+

+# Set some libs needed for cygwin.

+set MYLDFLAGS "-Wl,--out-implib,$tmpdir/testexe.lib -nostartfiles -nostdlib"

+

+# Build an export library for testdll

+if ![run_dlltool $tmpdir/testdll.lib $srcdir/$subdir/testdll.def] {

+    fail "building an export library for the shared lib"

+    return

+} 

+

+# Compile the executable.

+if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/testexe.c $tmpdir/testexe.o] {

+    fail "compiling executable"

+    return

+}

+

+if ![ld_special_link "$CC $LDFLAGS $MYLDFLAGS -e _testexe_main@16" $tmpdir/testexe.exe "$tmpdir/testexe.o $srcdir/$subdir/testexe.def $tmpdir/testdll.lib"] {

+    fail "linking executable"

+    return

+} 

+

+# Compile the dll.

+if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/testdll.c $tmpdir/testdll.o] {

+    fail "compiling shared lib"

+    return

+}

+

+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"] {

+    fail "linking shared lib"

+    return

+} 

+

+# This is as far as we can go with a cross-compiler

+if ![isnative] then {

+    verbose "Not running natively, so cannot execute binary"

+    pass "Compile and link and executable with an export table"

+    return

+}

+

+verbose -log "executing $tmpdir/testexe.exe"

+catch "exec $tmpdir/testexe.exe" prog_output

+

+set expected ""

+if [string match $expected $prog_output] then {

+    pass "export table in executable"

+} else {

+    verbose $prog_output

+    fail "Output does not match expected string $expected"

+}

diff --git a/ld/testsuite/ld-cygwin/testdll.c b/ld/testsuite/ld-cygwin/testdll.c
new file mode 100644
index 0000000..2064307
--- /dev/null
+++ b/ld/testsuite/ld-cygwin/testdll.c
@@ -0,0 +1,14 @@
+extern void exewrite (void);
+__attribute((dllimport)) int  global_a;
+
+void 
+dllwrite (void)
+{
+  global_a = 3;
+  exewrite ();
+}
+
+int _stdcall testdll_main(int p1, unsigned long p2, void* p3)
+{
+	return 1;
+}
diff --git a/ld/testsuite/ld-cygwin/testdll.def b/ld/testsuite/ld-cygwin/testdll.def
new file mode 100644
index 0000000..05e6c88
--- /dev/null
+++ b/ld/testsuite/ld-cygwin/testdll.def
@@ -0,0 +1,4 @@
+LIBRARY testdll

+

+EXPORTS

+dllwrite

diff --git a/ld/testsuite/ld-cygwin/testexe.c b/ld/testsuite/ld-cygwin/testexe.c
new file mode 100644
index 0000000..333c389
--- /dev/null
+++ b/ld/testsuite/ld-cygwin/testexe.c
@@ -0,0 +1,16 @@
+int global_a = 2;
+
+void 
+exewrite (void)
+{
+  global_a = 1;
+}
+
+extern void dllwrite (void);
+
+int _stdcall
+testexe_main (void* p1, void *p2, char* p3, int p4)
+{
+  dllwrite ();
+  return 0;
+}
diff --git a/ld/testsuite/ld-cygwin/testexe.def b/ld/testsuite/ld-cygwin/testexe.def
new file mode 100644
index 0000000..7570578
--- /dev/null
+++ b/ld/testsuite/ld-cygwin/testexe.def
@@ -0,0 +1,5 @@
+NAME testexe.exe

+

+EXPORTS

+exewrite

+global_a DATA