JVMPI changes...

Sun Apr  2 08:27:18 2000  Anthony Green  <green@redhat.com>

        * configure: Rebuilt.
	* configure.in: Add --disable-jvmpi.
        * include/config.h.in: Rebuilt.
        * acconfig.h: Add ENABLE_JVMPI.

	* include/jvm.h: Declare _Jv_DisableGC and _Jv_EnableGC.
        (_Jv_JVMPI_Notify_OBJECT_ALLOC): New define.
        (_Jv_JVMPI_Notify_THREAD_END): New define.
        (_Jv_JVMPI_Notify_THREAD_END): New define.
        * prims.cc (_Jv_JVMPI_Notify_OBJECT_ALLOC): Declare.
	(_Jv_JVMPI_Notify_THREAD_END): Declare.
        (_Jv_JVMPI_Notify_THREAD_END): Declare.

	* prims.cc (_Jv_AllocObject): Generate JVMPI object allocation
        events.

        * java/lang/natThread.cc: Include JVMPI headers if necessary.
        (finish_): Generate JVMPI thread end events.
        (run_): Generate JVMPI thread start events.
	* gnu/gcj/runtime/natFirstThread.cc (run): Call JNI_OnLoad for any
        preloaded JNI library.
        Include JVMPI headers if necessary.
        (run): Generate JVMPI thread start events.

        * boehm.cc: Define GC_disable and GC_enable.
	(_Jv_DisableGC): New function.
        (_Jv_EnableGC): New function.
        (disable_gc_mutex): Declare.
        * nogc.cc (_Jv_DisableGC): New function.
	(_Jv_EnableGC): New function.

        * jni.cc (_Jv_JNI_GetEnv): Handle JVMPI interface requests.
        (_Jv_JVMPI_Interface): Define.
        (jvmpiEnableEvent): New function.
        (_Jv_JNI_Init): Initialize _Jv_JVMPI_Interface.

        * include/jvmpi.h: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32866 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 25 insertions, 0 deletions

diff --git a/libjava/boehm.cc b/libjava/boehm.cc
index 36b544863b1..ba60ba0b6aa 100644
--- a/libjava/boehm.cc
+++ b/libjava/boehm.cc
@@ -69,6 +69,9 @@ static ptr_t *obj_free_list;
 // Freelist used for Java arrays.
 static ptr_t *array_free_list;
 
+// Lock used to protect access to Boehm's GC_enable/GC_disable functions.
+static _Jv_Mutex_t disable_gc_mutex;
+
 
 
 // This is called by the GC during the mark phase.  It marks a Java
@@ -391,6 +394,26 @@ _Jv_GCSetMaximumHeapSize (size_t size)
   GC_set_max_heap_size ((GC_word) size);
 }
 
+// From boehm's misc.c 
+extern "C" void GC_enable();
+extern "C" void GC_disable();
+
+void
+_Jv_DisableGC (void)
+{
+  _Jv_MutexLock (&disable_gc_mutex); 
+  GC_disable();
+  _Jv_MutexUnlock (&disable_gc_mutex); 
+}
+
+void
+_Jv_EnableGC (void)
+{
+  _Jv_MutexLock (&disable_gc_mutex); 
+  GC_enable();
+  _Jv_MutexUnlock (&disable_gc_mutex); 
+}
+
 void
 _Jv_InitGC (void)
 {
@@ -443,6 +466,8 @@ _Jv_InitGC (void)
   GC_obj_kinds[array_kind_x].ok_relocate_descr = FALSE;
   GC_obj_kinds[array_kind_x].ok_init = TRUE;
 
+  _Jv_MutexInit (&disable_gc_mutex);
+
   UNLOCK ();
   ENABLE_SIGNALS ();
 }