Merge

.hgtags

@@ -81,3 +81,4 @@ c4c8a5bc54f66abc68cd185d9294042121922154 jdk7-b99
 10bc903a228d3a8efdf46fb8c3fcf82a59b88bc5 jdk7-b104
 1ce7938efb03224ccc8b3cdd7803eb39e889539c jdk7-b105
 6bdae472f77205046703b685eff2ac4f7a0ecf4e jdk7-b106
+439de530aac531a360beedba6e2fe51e17292cc0 jdk7-b107

.hgtags-top-repo

@@ -81,3 +81,4 @@ be2aedc4e3b1751c1310f334242ba69e90867f38 jdk7-b103
 f8be576feefce0c6695f188ef97ec16b73ad9cfd jdk7-b104
 9f96a4269d7727dad68864eaab795eafce270311 jdk7-b105
 43096cccf1cee749c2f4e7714ee71f4e9e0f4d7f jdk7-b106
+7d396ad455c3b2f68b0d7094891c5aba7c757a6e jdk7-b107

corba/.hgtags

@@ -81,3 +81,4 @@ a56d734a1e970e1a21a8f4feb13053e9a33674c7 jdk7-b100
 9607213481d400ac477183191cc080e1bef6f475 jdk7-b104
 6f21b030092fb61244cc8a0aedf8058f7c022b81 jdk7-b105
 519daea48888196af76a975a3b31258efa860bad jdk7-b106
+232adb83eae8375439ccff65b6e205ca0da0510d jdk7-b107

hotspot/.hgtags

@@ -114,4 +114,6 @@ b4acf10eb134fe930802c97e36db65e7ccb544b5 jdk7-b104
 1b81ca701fa5fc30adc4cfdaa4bdd153df5e6c86 jdk7-b106
 cc3fdfeb54b049f18edcf3463e6ab051d0b7b609 hs19-b05
 688a538aa65412178286ae2a6b0c00b6711e121b hs19-b06
+bf496cbe9b74dda5975a1559da7ecfdd313e509e jdk7-b107
 0000000000000000000000000000000000000000 hs19-b06
+6c43216df13513a0f96532aa06f213066c49e27b hs19-b06

hotspot/make/hotspot_version

@@ -33,9 +33,9 @@
 # Don't put quotes (fail windows build).
 HOTSPOT_VM_COPYRIGHT=Copyright 2010
 
-HS_MAJOR_VER=19
+HS_MAJOR_VER=20
 HS_MINOR_VER=0
-HS_BUILD_NUMBER=06
+HS_BUILD_NUMBER=01
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=7

hotspot/src/share/vm/services/heapDumper.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1305,6 +1305,8 @@ class VM_HeapDumper : public VM_GC_Operation {
   static VM_HeapDumper* _global_dumper;
   static DumpWriter*    _global_writer;
   DumpWriter*           _local_writer;
+  JavaThread*           _oome_thread;
+  methodOop             _oome_constructor;
   bool _gc_before_heap_dump;
   bool _is_segmented_dump;
   jlong _dump_start;
@@ -1366,7 +1368,7 @@ class VM_HeapDumper : public VM_GC_Operation {
   void end_of_dump();
 
  public:
-  VM_HeapDumper(DumpWriter* writer, bool gc_before_heap_dump) :
+  VM_HeapDumper(DumpWriter* writer, bool gc_before_heap_dump, bool oome) :
     VM_GC_Operation(0 /* total collections,      dummy, ignored */,
                     0 /* total full collections, dummy, ignored */,
                     gc_before_heap_dump) {
@@ -1377,6 +1379,18 @@ class VM_HeapDumper : public VM_GC_Operation {
     _klass_map = new (ResourceObj::C_HEAP) GrowableArray<Klass*>(INITIAL_CLASS_COUNT, true);
     _stack_traces = NULL;
     _num_threads = 0;
+    if (oome) {
+      assert(!Thread::current()->is_VM_thread(), "Dump from OutOfMemoryError cannot be called by the VMThread");
+      // get OutOfMemoryError zero-parameter constructor
+      instanceKlass* oome_ik = instanceKlass::cast(SystemDictionary::OutOfMemoryError_klass());
+      _oome_constructor = oome_ik->find_method(vmSymbols::object_initializer_name(),
+                                                          vmSymbols::void_method_signature());
+      // get thread throwing OOME when generating the heap dump at OOME
+      _oome_thread = JavaThread::current();
+    } else {
+      _oome_thread = NULL;
+      _oome_constructor = NULL;
+    }
   }
   ~VM_HeapDumper() {
     if (_stack_traces != NULL) {
@@ -1557,7 +1571,11 @@ int VM_HeapDumper::do_thread(JavaThread* java_thread, u4 thread_serial_num) {
     frame f = java_thread->last_frame();
     vframe* vf = vframe::new_vframe(&f, &reg_map, java_thread);
     frame* last_entry_frame = NULL;
+    int extra_frames = 0;
 
+    if (java_thread == _oome_thread && _oome_constructor != NULL) {
+      extra_frames++;
+    }
     while (vf != NULL) {
       blk.set_frame_number(stack_depth);
       if (vf->is_java_frame()) {
@@ -1574,7 +1592,7 @@ int VM_HeapDumper::do_thread(JavaThread* java_thread, u4 thread_serial_num) {
                 writer()->write_u1(HPROF_GC_ROOT_JAVA_FRAME);
                 writer()->write_objectID(o);
                 writer()->write_u4(thread_serial_num);
-                writer()->write_u4((u4) stack_depth);
+                writer()->write_u4((u4) (stack_depth + extra_frames));
               }
             }
           }
@@ -1764,6 +1782,17 @@ void VM_HeapDumper::dump_stack_traces() {
       // write HPROF_FRAME records for this thread's stack trace
       int depth = stack_trace->get_stack_depth();
       int thread_frame_start = frame_serial_num;
+      int extra_frames = 0;
+      // write fake frame that makes it look like the thread, which caused OOME,
+      // is in the OutOfMemoryError zero-parameter constructor
+      if (thread == _oome_thread && _oome_constructor != NULL) {
+        int oome_serial_num = _klass_map->find(Klass::cast(_oome_constructor->method_holder()));
+        // the class serial number starts from 1
+        assert(oome_serial_num > 0, "OutOfMemoryError class not found");
+        DumperSupport::dump_stack_frame(writer(), ++frame_serial_num, oome_serial_num,
+                                        _oome_constructor, 0);
+        extra_frames++;
+      }
       for (int j=0; j < depth; j++) {
         StackFrameInfo* frame = stack_trace->stack_frame_at(j);
         methodOop m = frame->method();
@@ -1772,6 +1801,7 @@ void VM_HeapDumper::dump_stack_traces() {
         assert(class_serial_num > 0, "class not found");
         DumperSupport::dump_stack_frame(writer(), ++frame_serial_num, class_serial_num, m, frame->bci());
       }
+      depth += extra_frames;
 
       // write HPROF_TRACE record for one thread
       DumperSupport::write_header(writer(), HPROF_TRACE, 3*sizeof(u4) + depth*oopSize);
@@ -1808,7 +1838,7 @@ int HeapDumper::dump(const char* path) {
   }
 
   // generate the dump
-  VM_HeapDumper dumper(&writer, _gc_before_heap_dump);
+  VM_HeapDumper dumper(&writer, _gc_before_heap_dump, _oome);
   if (Thread::current()->is_VM_thread()) {
     assert(SafepointSynchronize::is_at_safepoint(), "Expected to be called at a safepoint");
     dumper.doit();
@@ -1869,12 +1899,22 @@ void HeapDumper::set_error(char* error) {
   }
 }
 
+// Called by out-of-memory error reporting by a single Java thread
+// outside of a JVM safepoint
+void HeapDumper::dump_heap_from_oome() {
+  HeapDumper::dump_heap(true);
+}
+
 // Called by error reporting by a single Java thread outside of a JVM safepoint,
 // or by heap dumping by the VM thread during a (GC) safepoint. Thus, these various
 // callers are strictly serialized and guaranteed not to interfere below. For more
 // general use, however, this method will need modification to prevent
 // inteference when updating the static variables base_path and dump_file_seq below.
 void HeapDumper::dump_heap() {
+  HeapDumper::dump_heap(false);
+}
+
+void HeapDumper::dump_heap(bool oome) {
   static char base_path[JVM_MAXPATHLEN] = {'\0'};
   static uint dump_file_seq = 0;
   char   my_path[JVM_MAXPATHLEN] = {'\0'};
@@ -1930,6 +1970,7 @@ void HeapDumper::dump_heap() {
   dump_file_seq++;   // increment seq number for next time we dump
 
   HeapDumper dumper(false /* no GC before heap dump */,
-                    true  /* send to tty */);
+                    true  /* send to tty */,
+                    oome  /* pass along out-of-memory-error flag */);
   dumper.dump(my_path);
 }

hotspot/src/share/vm/services/heapDumper.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,8 +39,12 @@ class HeapDumper : public StackObj {
   char* _error;
   bool _print_to_tty;
   bool _gc_before_heap_dump;
+  bool _oome;
   elapsedTimer _t;
 
+  HeapDumper(bool gc_before_heap_dump, bool print_to_tty, bool oome) :
+    _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(print_to_tty), _oome(oome) { }
+
   // string representation of error
   char* error() const                   { return _error; }
   void set_error(char* error);
@@ -51,11 +55,11 @@ class HeapDumper : public StackObj {
   // internal timer.
   elapsedTimer* timer()                 { return &_t; }
 
+  static void dump_heap(bool oome);
+
  public:
   HeapDumper(bool gc_before_heap_dump) :
-    _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(false) { }
-  HeapDumper(bool gc_before_heap_dump, bool print_to_tty) :
-    _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(print_to_tty) { }
+    _gc_before_heap_dump(gc_before_heap_dump), _error(NULL), _print_to_tty(false), _oome(false) { }
 
   ~HeapDumper();
 
@@ -66,4 +70,6 @@ class HeapDumper : public StackObj {
   char* error_as_C_string() const;
 
   static void dump_heap()    KERNEL_RETURN;
+
+  static void dump_heap_from_oome()    KERNEL_RETURN;
 };

hotspot/src/share/vm/utilities/debug.cpp

@@ -234,7 +234,7 @@ void report_java_out_of_memory(const char* message) {
     // create heap dump before OnOutOfMemoryError commands are executed
     if (HeapDumpOnOutOfMemoryError) {
       tty->print_cr("java.lang.OutOfMemoryError: %s", message);
-      HeapDumper::dump_heap();
+      HeapDumper::dump_heap_from_oome();
     }
 
     if (OnOutOfMemoryError && OnOutOfMemoryError[0]) {

jaxp/.hgtags

@@ -81,3 +81,4 @@ b7722e8788644507c10bb69a137de422d0300b24 jdk7-b103
 d42c4acb6424a094bdafe2ad9c8c1c7ca7fb7b7e jdk7-b104
 3233b9a4c12ef2663a356d08bb141c02736c7f49 jdk7-b105
 5ba8469212a6cab95ca652eea414b753be7d245a jdk7-b106
+20ee37c1372a3eaefa49b426c6eb68a2e8f5d6e2 jdk7-b107

jaxws/.hgtags

@@ -81,3 +81,4 @@ d8580443d1815d68e0035a0560634e50fa899288 jdk7-b102
 bbc4cce6c20aeca4862804a6e8315a2350d43633 jdk7-b104
 39eb4f3031f4a985664cace00fca3bd1eab1e0aa jdk7-b105
 bc45ccc5bcca6cbe4ea433e279d4a93b06ab38c6 jdk7-b106
+017612ea6af417a5e378619704da01bb3a583bdb jdk7-b107

jdk/.hgtags

@@ -81,3 +81,4 @@ d58354a69011f3d3354765fa3167567c4c4a9612 jdk7-b101
 1a92820132a0221c5bdedd42d0888c57ce4cbb34 jdk7-b104
 3b0abcb512807bb6f6d27755bc50103211bde6ee jdk7-b105
 b91ef6b60f4e19bf4592c6dd594c9bac62487519 jdk7-b106
+882103f334bb23745d3fd70fb7928c347478b0f4 jdk7-b107

langtools/.hgtags

@@ -81,3 +81,4 @@ bd85271c580ce4600b1b2d5598daa19d02174cf7 jdk7-b103
 fc7219517ec16b28d729d259020a25b05ffdf0b6 jdk7-b104
 aaecac256d39c7cb536e70d20ddd833fc118e43a jdk7-b105
 112fcc00659dda1a356ec75d964584e4dae0228f jdk7-b106
+2c1c657f69a4ff608a43e1ac61baf3294cd55797 jdk7-b107