diff src/cpu/zero/vm/frame_zero.cpp @ 7599:c566b81b3323

8005817: Shark: implement deoptimization support Reviewed-by: twisti Contributed-by: Roman Kennke <rkennke@redhat.com>
author twisti
date Fri, 11 Jan 2013 16:47:23 -0800
parents a3e2f723f2a5
children e16282db4946
line wrap: on
line diff
--- a/src/cpu/zero/vm/frame_zero.cpp	Fri Jan 11 16:47:23 2013 -0800
+++ b/src/cpu/zero/vm/frame_zero.cpp	Fri Jan 11 16:47:23 2013 -0800
@@ -98,10 +98,20 @@
 #endif // CC_INTERP
 
 void frame::patch_pc(Thread* thread, address pc) {
-  // We borrow this call to set the thread pointer in the interpreter
-  // state; the hook to set up deoptimized frames isn't supplied it.
-  assert(pc == NULL, "should be");
-  get_interpreterState()->set_thread((JavaThread *) thread);
+
+  if (pc != NULL) {
+    _cb = CodeCache::find_blob(pc);
+    SharkFrame* sharkframe = zeroframe()->as_shark_frame();
+    sharkframe->set_pc(pc);
+    _pc = pc;
+    _deopt_state = is_deoptimized;
+
+  } else {
+    // We borrow this call to set the thread pointer in the interpreter
+    // state; the hook to set up deoptimized frames isn't supplied it.
+    assert(pc == NULL, "should be");
+    get_interpreterState()->set_thread((JavaThread *) thread);
+  }
 }
 
 bool frame::safe_for_sender(JavaThread *thread) {