[multiple changes]

2001-05-23  Tom Tromey  <tromey@redhat.com>

	* posix-threads.cc (_Jv_self_cache): Renamed from self_cache.
	* gcj/Makefile.in: Rebuilt.
	* gcj/Makefile.am (gcj_HEADERS): Added libgcj-config.h.
	* gcj/javaprims.h: Include gcj/libgcj-config.h.
	* gcj/libgcj-config.h.in: New file.
	* libgcj.spec.in (*jc1): Added @HASH_SYNC_SPEC@.
	* configure: Rebuilt.
	* configure.in: Enable hash synchronization by default on some
	platforms.
	(HASH_SYNC_SPEC): New subst.
	(AC_CONFIG_HEADER): Added gcj/libgcj-config.h.
	Correctly use `test -z' instead of `test -n' in a couple places.
	(JV_HASH_SYNCHRONIZATION): Use AC_DEFINE; don't add to
	LIBGCJ_CXXFLAGS.
	* configure.host (enable_java_net_default): Initialize.
	(enable_hash_synchronization_default): New variable.

2001-05-23  Hans Boehm <Hans_Boehm@hp.com>

	* boehm.cc (_Jv_MarkObj): Don't mark sync_info when hash
	synchronization in use.
	(_Jv_MarkArray): Likewise.
	(_Jv_AllocBytes): Don't check return result.
	(handle_out_of_memory): New function.
	(_Jv_InitGC): Set GC_oom_fn.
	(trace_one_vtable): New global.
	(_Jv_AllocTraceOne): New function.
	* configure.in: Added --enable-hash-synchronization.
	* defineclass.cc, prims.cc, resolve.cc, java/lang/natString.cc,
	java/net/natInetAddress.cc: Remove _Jv_AllocBytesChecked.
	* nogc.cc (_Jv_AllocObj): Throw out-of-memory.
	(_Jv_AllocArray): Likewise.
	(_Jv_AllocBytes): Likewise.
	(_Jv_AllocPtrFreeObject): New function.
	(_Jv_AllocTraceOne): Likewise.
	* posix-threads.cc (_Jv_ThreadRegister): Handle slow
	pthread_self().
	(self_cache): New global.
	(_Jv_ThreadSelf_out_of_line): New function.
	* prims.cc (_Jv_AllocBytesChecked): Removed.
	(_Jv_ThrowNoMemory): New function.
	(_Jv_AllocObject): Don't check for null return from allocator.
	(_Jv_NewObjectArray): Likewise.
	(_Jv_AllocPtrFreeObject): New function.
	(_Jv_NewPrimArray): Allocate pointer-free object if possible.
	* include/javaprims.h (_Jv_AllocPtrFreeObject): Declare.
	(_Jv_MonitorEnter, _Jv_MonitorExit): Don't return value.
	* include/boehm-gc.h (_Jv_AllocObj): Define.
	(_Jv_AllocPtrFreeObj): Define.
	* include/jvm.h (_Jv_AllocPtrFreeObj): Declare.
	(_Jv_ThrowNoMemory): Declare.
	(_Jv_AllocTraceOne): Declare.
	(_Jv_AllocBytesChecked): Removed.
	* include/posix-threads.h (_Jv_MutexInit, _Jv_MutexLock,
	_Jv_MutexUnlock): Handle LOCK_DEBUG.
	(_Jv_ThreadSelf): Handle case where system pthread_self() is
	slow.
	* java/lang/Class.h (Class): Declare _Jv_AllocPtrFreeObj as
	friend.
	* java/lang/Object.h (sync_info): Conditional upon presence of
	hash synchronization.
	* java/lang/natObject.cc: Much new code to handle thin locks and
	hash synchronization.
	* java/lang/natString.cc (_Jv_AllocString): Allocate pointer-free
	object if possible.

From-SVN: r42519

1 files changed, 8 insertions, 3 deletions

diff --git a/libjava/include/jvm.h b/libjava/include/jvm.h
index 50af756..9088df1 100644
--- a/libjava/include/jvm.h
+++ b/libjava/include/jvm.h
@@ -107,10 +107,18 @@ typedef void _Jv_FinalizerFunc (jobject);
 
 /* Allocate space for a new Java object.  */
 void *_Jv_AllocObj (jsize size, jclass cl) __attribute__((__malloc__));
+/* Allocate space for a potentially uninitialized pointer-free object.
+   Interesting only with JV_HASH_SYNCHRONIZATION.  */
+void *_Jv_AllocPtrFreeObj (jsize size, jclass cl) __attribute__((__malloc__));
 /* Allocate space for an array of Java objects.  */
 void *_Jv_AllocArray (jsize size, jclass cl) __attribute__((__malloc__));
 /* Allocate space that is known to be pointer-free.  */
 void *_Jv_AllocBytes (jsize size) __attribute__((__malloc__));
+/* Explicitly throw an out-of-memory exception.	*/
+void _Jv_ThrowNoMemory();
+/* Allocate an object with a single pointer.  The first word is reserved
+   for the GC, and the second word is the traced pointer.  */
+void *_Jv_AllocTraceOne (jsize size /* incl. reserved slot */);
 /* Initialize the GC.  */
 void _Jv_InitGC (void);
 /* Register a finalizer.  */
@@ -157,9 +165,6 @@ void _Jv_SetInitialHeapSize (const char *arg);
    _Jv_GCSetMaximumHeapSize.  */
 void _Jv_SetMaximumHeapSize (const char *arg);
 
-/* Allocate some unscanned bytes.  Throw exception if out of memory.  */
-void *_Jv_AllocBytesChecked (jsize size) __attribute__((__malloc__));
-
 extern "C" void JvRunMain (jclass klass, int argc, const char **argv);
 void _Jv_RunMain (const char* name, int argc, const char **argv, bool is_jar);