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diff src/share/vm/code/nmethod.cpp @ 1937:4853c5cad3aa

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More deoptmization tracing.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Thu, 23 Dec 2010 22:14:31 +0100
parents 98dbef29f10b
children 06f017f7daa7
line wrap: on
line diff
--- a/src/share/vm/code/nmethod.cpp	Thu Dec 23 18:13:28 2010 +0100
+++ b/src/share/vm/code/nmethod.cpp	Thu Dec 23 22:14:31 2010 +0100
@@ -1099,6 +1099,12 @@
 
 ScopeDesc* nmethod::scope_desc_at(address pc) {
   PcDesc* pd = pc_desc_at(pc);
+#ifdef ASSERT
+  if (pd == NULL) {
+    tty->print_cr(err_msg("Missing scope at relative pc %d of method %s", pc - code_begin(), this->method()->name()->as_C_string()));
+    print_pcs();
+  }
+#endif
   guarantee(pd != NULL, "scope must be present");
   return new ScopeDesc(this, pd->scope_decode_offset(),
                        pd->obj_decode_offset(), pd->should_reexecute(),