diff src/cpu/x86/vm/relocInfo_x86.cpp @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents b40d4fa697bf
children cd3d6a6b95d9
line wrap: on
line diff
--- a/src/cpu/x86/vm/relocInfo_x86.cpp	Fri Aug 31 16:39:35 2012 -0700
+++ b/src/cpu/x86/vm/relocInfo_x86.cpp	Sat Sep 01 13:25:18 2012 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2012, 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
@@ -47,12 +47,21 @@
     }
   } else if (which == Assembler::narrow_oop_operand) {
     address disp = Assembler::locate_operand(addr(), which);
+    // both compressed oops and compressed classes look the same
+    if (Universe::heap()->is_in_reserved((oop)x)) {
     if (verify_only) {
       assert(*(uint32_t*) disp == oopDesc::encode_heap_oop((oop)x), "instructions must match");
     } else {
       *(int32_t*) disp = oopDesc::encode_heap_oop((oop)x);
     }
   } else {
+      if (verify_only) {
+        assert(*(uint32_t*) disp == oopDesc::encode_klass((Klass*)x), "instructions must match");
+      } else {
+        *(int32_t*) disp = oopDesc::encode_klass((Klass*)x);
+      }
+    }
+  } else {
     // Note:  Use runtime_call_type relocations for call32_operand.
     address ip = addr();
     address disp = Assembler::locate_operand(ip, which);
@@ -239,3 +248,6 @@
   }
 #endif // _LP64
 }
+
+void metadata_Relocation::pd_fix_value(address x) {
+}