Add gcj java class registration hooks for gcc3 elf archs. From NetBSD

with minor differences.

okay kettenis@ drahn@

4 files changed, 49 insertions, 4 deletions

diff --git a/lib/csu/crtbegin.c b/lib/csu/crtbegin.c
index 4c6eedcd94b..64bf618e77c 100644
--- a/lib/csu/crtbegin.c
+++ b/lib/csu/crtbegin.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: crtbegin.c,v 1.12 2007/09/03 14:40:16 millert Exp $	*/
+/*	$OpenBSD: crtbegin.c,v 1.13 2009/04/13 20:15:24 kurt Exp $	*/
 /*	$NetBSD: crtbegin.c,v 1.1 1996/09/12 16:59:03 cgd Exp $	*/
 
 /*
@@ -60,6 +60,18 @@ static const char __EH_FRAME_BEGIN__[]
     __attribute__((section(".eh_frame"), aligned(4))) = { };
 
 /*
+ * java class registration hooks
+ */
+
+#if (__GNUC__ > 2)
+static void *__JCR_LIST__[]
+    __attribute__((section(".jcr"), aligned(sizeof(void*)))) = { };
+
+extern void _Jv_RegisterClasses (void *)
+    __attribute__((weak));
+#endif
+
+/*
  * Include support for the __cxa_atexit/__cxa_finalize C++ abi for
  * gcc > 2.x. __dso_handle is NULL in the main program and a unique
  * value for each C++ shared library. For more info on this API, see:
@@ -133,6 +145,11 @@ __do_init()
 
 		__register_frame_info(__EH_FRAME_BEGIN__, &object);
 
+#if (__GNUC__ > 2)
+		if (__JCR_LIST__[0] && _Jv_RegisterClasses)
+			_Jv_RegisterClasses(__JCR_LIST__);
+#endif
+
 		(__ctors)();
 
 		atexit(__fini);
diff --git a/lib/csu/crtbeginS.c b/lib/csu/crtbeginS.c
index 693b7879a4a..80779c626c1 100644
--- a/lib/csu/crtbeginS.c
+++ b/lib/csu/crtbeginS.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: crtbeginS.c,v 1.9 2009/02/04 19:43:48 kettenis Exp $	*/
+/*	$OpenBSD: crtbeginS.c,v 1.10 2009/04/13 20:15:24 kurt Exp $	*/
 /*	$NetBSD: crtbegin.c,v 1.1 1996/09/12 16:59:03 cgd Exp $	*/
 
 /*
@@ -47,6 +47,18 @@
 #include "extern.h"
 
 /*
+ * java class registration hooks
+ */
+
+#if (__GNUC__ > 2)
+static void *__JCR_LIST__[]
+    __attribute__((section(".jcr"), aligned(sizeof(void*)))) = { };
+
+extern void _Jv_RegisterClasses (void *)
+    __attribute__((weak));
+#endif
+
+/*
  * Include support for the __cxa_atexit/__cxa_finalize C++ abi for
  * gcc > 2.x. __dso_handle is NULL in the main program and a unique
  * value for each C++ shared library. For more info on this API, see:
@@ -118,6 +130,12 @@ _do_init(void)
 	 */
 	if (!initialized) {
 		initialized = 1;
+
+#if (__GNUC__ > 2)
+		if (__JCR_LIST__[0] && _Jv_RegisterClasses)
+			_Jv_RegisterClasses(__JCR_LIST__);
+#endif
+
 		__ctors();
 	}
 }
diff --git a/lib/csu/crtend.c b/lib/csu/crtend.c
index 762b3c781bd..8c0d0726e84 100644
--- a/lib/csu/crtend.c
+++ b/lib/csu/crtend.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: crtend.c,v 1.6 2004/10/10 18:29:15 kettenis Exp $	*/
+/*	$OpenBSD: crtend.c,v 1.7 2009/04/13 20:15:24 kurt Exp $	*/
 /*	$NetBSD: crtend.c,v 1.1 1996/09/12 16:59:04 cgd Exp $	*/
 
 #include <sys/cdefs.h>
@@ -13,5 +13,10 @@ static init_f __DTOR_LIST__[1]
 static const int __EH_FRAME_END__[]
 __attribute__((unused, mode(SI), section(".eh_frame"), aligned(4))) = { 0 };
 
+#if (__GNUC__ > 2)
+static void * __JCR_END__[]
+__attribute__((unused, section(".jcr"), aligned(sizeof(void*)))) = { 0 };
+#endif
+
 MD_SECTION_EPILOGUE(".init");
 MD_SECTION_EPILOGUE(".fini");
diff --git a/lib/csu/crtendS.c b/lib/csu/crtendS.c
index 2701bf45b37..92493006494 100644
--- a/lib/csu/crtendS.c
+++ b/lib/csu/crtendS.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: crtendS.c,v 1.5 2004/01/26 20:04:11 espie Exp $	*/
+/*	$OpenBSD: crtendS.c,v 1.6 2009/04/13 20:15:24 kurt Exp $	*/
 /*	$NetBSD: crtend.c,v 1.1 1997/04/16 19:38:24 thorpej Exp $	*/
 
 #include <sys/cdefs.h>
@@ -10,5 +10,10 @@ static init_f __CTOR_LIST__[1]
 static init_f __DTOR_LIST__[1]
     __attribute__((section(".dtors"))) = { (void *)0 };		/* XXX */
 
+#if (__GNUC__ > 2)
+static void * __JCR_END__[]
+__attribute__((unused, section(".jcr"), aligned(sizeof(void*)))) = { 0 };
+#endif
+
 MD_SECTION_EPILOGUE(".init");
 MD_SECTION_EPILOGUE(".fini");