Hi, all
I built gcc with "--enable-plugin" on windows.
download link:
https://pcxprj.googlecode.com/files/MinGW_GCC4.6.1_enable_plugin_experimental.7z
There is an example in the package, and this is in the example directory.
Makefile.gcc is linked with cc1
Makefile.g++ is linked with cc1plus
So the gcc has some problems, when you use gcc to call plugin, you
should link plugin with libcc1.a, and if you use g++ to call plugin,
you should link plugin with libcc1plus.a. You can't mix linking, or
you will get segment fault.
Here is the patches and build process. (I only use C/C++/Fortran, so only
modify them)
Before building it, you should have dlopen/dlsym, here we can use
dlfcn-win32 temporarily.
1. Make binutils export exe's symbols.
Patch binutils using export-symbols.diff
And using the newer binutils to build gcc.
2. Modify gcc source code to support plugin
Patch gcc using gcc-plugin.patch
3. Build gcc using --enable-plugin
4. After installing, you should copy libcc1.a, libcc1plus.a and
libf951.a to your install directory's lib.
Then you can use gcc plugin.
Note: when you use gcc to call plugin, you should link plugin with
libcc1.a, and if you use g++ to call plugin, you should link plugin
with libcc1plus.a. You can't mix linking, or you will get segment
fault.
In the end, I use the built editon to run the gcc testsuite plugin section
successfully.
So, at some time, we can port llvm-dragonegg to windows?
Any ideas?
Thanks.
--
Best Regards,
xunxun
diff -ruNa gcc4.6.1/gcc/configure build/gcc/configure
--- gcc4.6.1/gcc/configure 2011-02-28 23:36:37.000000000 +0800
+++ build/gcc/configure 2011-10-16 20:57:13.000000000 +0800
@@ -26270,10 +26270,11 @@
${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null
2>&1
if $export_sym_check conftest | grep foobar > /dev/null; then
plugin_rdynamic=yes
- pluginlibs="-rdynamic"
+ pluginlibs="-Wl,--export-all-symbols"
else
- plugin_rdynamic=no
- enable_plugin=no
+ plugin_rdynamic=yes
+ enable_plugin=yes
+ pluginlibs="-Wl,--export-all-symbols"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_rdynamic" >&5
$as_echo "$plugin_rdynamic" >&6; }
@@ -26364,7 +26365,7 @@
$as_echo_n "checking for -fPIC -shared... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-extern int X;
+int X;
int
main ()
{
diff -ruNa gcc4.6.1/gcc/cp/Make-lang.in build/gcc/cp/Make-lang.in
--- gcc4.6.1/gcc/cp/Make-lang.in 2011-05-19 16:00:50.000000000 +0800
+++ build/gcc/cp/Make-lang.in 2011-10-18 13:42:58.000000000 +0800
@@ -102,7 +102,7 @@
cc1plus$(exeext): $(CXX_OBJS) cc1plus-checksum.o $(BACKEND) $(LIBDEPS)
+$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
- $(CXX_OBJS) cc1plus-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
+ $(CXX_OBJS) cc1plus-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
-Wl,--output-def,cc1plus.def,--out-implib,libcc1plus.a
# Special build rules.
$(srcdir)/cp/cfns.h: $(srcdir)/cp/cfns.gperf
diff -ruNa gcc4.6.1/gcc/fortran/Make-lang.in build/gcc/fortran/Make-lang.in
--- gcc4.6.1/gcc/fortran/Make-lang.in 2010-11-13 07:26:56.000000000 +0800
+++ build/gcc/fortran/Make-lang.in 2011-10-18 13:42:09.000000000 +0800
@@ -98,7 +98,7 @@
f951$(exeext): $(F95_OBJS) \
$(BACKEND) $(LIBDEPS) attribs.o
+$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
- $(F95_OBJS) $(BACKEND) $(LIBS) attribs.o $(BACKENDLIBS)
+ $(F95_OBJS) $(BACKEND) $(LIBS) attribs.o $(BACKENDLIBS)
-Wl,--output-def,f951.def,--out-implib,libf951.a
gt-fortran-trans.h : s-gtype; @true
#
diff -ruNa gcc4.6.1/gcc/Makefile.in build/gcc/Makefile.in
--- gcc4.6.1/gcc/Makefile.in 2011-05-24 02:12:34.000000000 +0800
+++ build/gcc/Makefile.in 2011-10-18 13:35:17.000000000 +0800
@@ -1852,7 +1852,7 @@
cc1$(exeext): $(C_OBJS) cc1-checksum.o $(BACKEND) $(LIBDEPS)
+$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ $(C_OBJS) \
- cc1-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
+ cc1-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
-Wl,--output-def,cc1.def,--out-implib,libcc1.a
#
# Build libgcc.a.
diff -ruNa cvs/binutils/dlltool.c build/binutils/dlltool.c
--- cvs/binutils/dlltool.c 2011-10-14 21:02:59.722042474 +0800
+++ build/binutils/dlltool.c 2011-10-15 08:39:30.244664033 +0800
@@ -412,7 +412,7 @@
/* TRUE if we should export all symbols. Otherwise, we only export
symbols listed in .drectve sections or in the def file. */
-static bfd_boolean export_all_symbols;
+static bfd_boolean export_all_symbols = TRUE;
/* TRUE if we should exclude the symbols in DEFAULT_EXCLUDES when
exporting all symbols. */
diff -ruNa cvs/ld/emultempl/pe.em build/ld/emultempl/pe.em
--- cvs/ld/emultempl/pe.em 2011-06-13 08:59:43.000000000 +0800
+++ build/ld/emultempl/pe.em 2011-10-15 08:17:53.350233079 +0800
@@ -297,6 +297,9 @@
OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
{"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
{"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
+ {"output-def", required_argument, NULL, OPTION_OUT_DEF},
+ {"output-def", required_argument, NULL, OPTION_OUT_DEF},
+ {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
#ifdef DLL_SUPPORT
/* getopt allows abbreviations, so we do this to stop it
from treating -o as an abbreviation for this option. */
@@ -433,6 +436,7 @@
fprintf (file, _(" --support-old-code Support interworking
with old code\n"));
fprintf (file, _(" --[no-]leading-underscore Set explicit symbol
underscore prefix mode\n"));
fprintf (file, _(" --thumb-entry=<symbol> Set the entry point
to be Thumb <symbol>\n"));
+ fprintf (file, _(" --export-all-symbols Automatically export
all globals to DLL\n"));
#ifdef DLL_SUPPORT
fprintf (file, _(" --add-stdcall-alias Export symbols with
and without @nn\n"));
fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to
_sym@nn\n"));
@@ -747,13 +751,13 @@
case OPTION_LEADING_UNDERSCORE:
pe_leading_underscore = 1;
break;
-#ifdef DLL_SUPPORT
case OPTION_OUT_DEF:
pe_out_def_filename = xstrdup (optarg);
break;
case OPTION_EXPORT_ALL:
pe_dll_export_everything = 1;
break;
+#ifdef DLL_SUPPORT
case OPTION_EXCLUDE_SYMBOLS:
pe_dll_add_excludes (optarg, EXCLUDESYMS);
break;
diff -ruNa cvs/ld/emultempl/pep.em build/ld/emultempl/pep.em
--- cvs/ld/emultempl/pep.em 2011-06-13 08:59:43.000000000 +0800
+++ build/ld/emultempl/pep.em 2011-10-15 08:18:06.274297160 +0800
@@ -235,6 +235,9 @@
OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
{"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
{"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
+ {"output-def", required_argument, NULL, OPTION_OUT_DEF},
+ {"output-def", required_argument, NULL, OPTION_OUT_DEF},
+ {"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
#ifdef DLL_SUPPORT
/* getopt allows abbreviations, so we do this to stop it
from treating -o as an abbreviation for this option. */
@@ -362,6 +365,7 @@
fprintf (file, _(" --subsystem <name>[:<version>] Set required OS
subsystem [& version]\n"));
fprintf (file, _(" --support-old-code Support interworking
with old code\n"));
fprintf (file, _(" --[no-]leading-underscore Set explicit symbol
underscore prefix mode\n"));
+ fprintf (file, _(" --export-all-symbols Automatically export
all globals to DLL\n"));
#ifdef DLL_SUPPORT
fprintf (file, _(" --add-stdcall-alias Export symbols with
and without @nn\n"));
fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to
_sym@nn\n"));
@@ -667,13 +671,13 @@
case OPTION_LEADING_UNDERSCORE:
pep_leading_underscore = 1;
break;
-#ifdef DLL_SUPPORT
case OPTION_OUT_DEF:
pep_out_def_filename = xstrdup (optarg);
break;
case OPTION_EXPORT_ALL:
pep_dll_export_everything = 1;
break;
+#ifdef DLL_SUPPORT
case OPTION_EXCLUDE_SYMBOLS:
pep_dll_add_excludes (optarg, EXCLUDESYMS);
break;
diff -ruNa cvs/ld/pe-dll.c build/ld/pe-dll.c
--- cvs/ld/pe-dll.c 2011-10-14 21:03:11.122099004 +0800
+++ build/ld/pe-dll.c 2011-10-15 08:10:10.827939549 +0800
@@ -149,7 +149,7 @@
/* For emultempl/pe.em. */
def_file * pe_def_file = 0;
-int pe_dll_export_everything = 0;
+int pe_dll_export_everything = 1;
int pe_dll_exclude_all_symbols = 0;
int pe_dll_do_default_excludes = 1;
int pe_dll_kill_ats = 0;
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