configure.ac: Handle --enable-gc-debug.

* configure.ac: Handle --enable-gc-debug.
	* configure: Regenerate.
	* include/config.h.in (LIBGCJ_GC_DEBUG): Add.
	* boehm.cc: Include gc_mark.h, javaxfc.h, but no GC private files.
	Rearrange include file order.
	(GC_DEBUG): Set if LIBGCJ_GC_DEBUG is set.
	(GC_finalize_all, GC_debug_generic_malloc): Don't declare.
	(disable_gc_mutex): Delete along with all references.
	(_Jv_MarkObj, _Jv_MarkArray): Use public types,
	adjust for debug header size.
	(_Jv_AllocObj, _Jv_allocPtrFreeObj): Define out of line for
	debug case.
	(_Jv_AllocArray): Declare min_heap_addr only if needed.
	(gcj_describe_type_fn): New.
	(_Jv_InitGC): Use GC_new_free_list, GC_new_proc, and GC_new_kind.
	Register gcj_describe_type_fn.
	* include/boehm-gc.h:
	(_Jv_AllocObj, _Jv_allocPtrFreeObj):
	Don't define, but declare, for debug case.
	* java/lang/natObject.cc:
	(GC_DEBUG): Define if LIBGCJ_GC_DEBUG is set.

From-SVN: r86686

libjava/include/boehm-gc.h

@@ -35,6 +35,8 @@ extern "C" void * GC_local_gcj_malloc(size_t, void *);
 extern "C" void * GC_local_malloc_atomic(size_t);
 #endif
 
+#ifndef LIBGCJ_GC_DEBUG
+
 inline void *
 _Jv_AllocObj (jsize size, jclass klass)
 {
@@ -67,6 +69,16 @@ _Jv_AllocPtrFreeObj (jsize size, jclass klass)
   return obj;
 }
 
+#else /* LIBGCJ_GC_DEBUG */
+
+void *
+_Jv_AllocObj (jsize size, jclass klass);
+
+void *
+_Jv_AllocPtrFreeObj (jsize size, jclass klass);
+
+#endif /* LIBGCJ_GC_DEBUG */
+
 // _Jv_AllocBytes (jsize size) should go here, too.  But clients don't
 // usually include this header.
 

libjava/include/config.h.in

@@ -366,6 +366,9 @@
 /* Indicate that linker is not able to 8-byte align static data */
 #undef JV_LINKER_CANNOT_8BYTE_ALIGN_STATICS
 
+/* Define if we want to use debug calls into the garbage collector. */
+#undef LIBGCJ_GC_DEBUG
+
 /* Define if using POSIX threads on Linux. */
 #undef LINUX_THREADS