hotspot/src/share/vm/ci/ciMethodData.hpp

rev 611 : Merge

@@ -1,10 +1,10 @@
 #ifdef USE_PRAGMA_IDENT_HDR
 #pragma ident "@(#)ciMethodData.hpp     1.28 07/09/28 10:23:22 JVM"
 #endif
 /*
- * Copyright 2001-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2001-2008 Sun Microsystems, Inc.  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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -31,10 +31,11 @@
 class ciReceiverTypeData;
 class ciRetData;
 class ciBranchData;
 class ciArrayData;
 class ciMultiBranchData;
+class ciArgInfoData;
 
 typedef ProfileData ciProfileData;
 
 class ciBitData : public BitData {
 public:

@@ -122,10 +123,15 @@
 class ciMultiBranchData : public MultiBranchData {
 public:
   ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {};
 };
 
+class ciArgInfoData : public ArgInfoData {
+public:
+  ciArgInfoData(DataLayout* layout) : ArgInfoData(layout) {};
+};
+
 // ciMethodData
 //
 // This class represents a methodDataOop in the HotSpot virtual
 // machine.
 

@@ -164,13 +170,13 @@
 
   ciMethodData(methodDataHandle h_md);
   ciMethodData();
 
   // Accessors
-  int data_size() { return _data_size; }
-  int extra_data_size() { return _extra_data_size; }
-  intptr_t * data() { return _data; }
+  int data_size() const { return _data_size; }
+  int extra_data_size() const { return _extra_data_size; }
+  intptr_t * data() const { return _data; }
 
   methodDataOop get_methodDataOop() const {
     if (handle() == NULL) return NULL;
     methodDataOop mdo = (methodDataOop)get_oop();
     assert(mdo != NULL, "illegal use of unloaded method data");

@@ -179,11 +185,11 @@
 
   const char* type_string()                      { return "ciMethodData"; }
 
   void print_impl(outputStream* st);
 
-  DataLayout* data_layout_at(int data_index) {
+  DataLayout* data_layout_at(int data_index) const {
     assert(data_index % sizeof(intptr_t) == 0, "unaligned");
     return (DataLayout*) (((address)_data) + data_index);
   }
 
   bool out_of_bounds(int data_index) {

@@ -208,10 +214,12 @@
 
 
   // What is the index of the first data entry?
   int first_di() { return 0; }
 
+  ciArgInfoData *arg_info() const;
+
 public:
   bool is_method_data()  { return true; }
   bool is_empty() { return _state == empty_state; }
   bool is_mature() { return _state == mature_state; }
 

@@ -271,14 +279,16 @@
   bool eflag_set(methodDataOopDesc::EscapeFlag f) const;
 
   void set_arg_local(int i);
   void set_arg_stack(int i);
   void set_arg_returned(int i);
+  void set_arg_modified(int arg, uint val);
 
   bool is_arg_local(int i) const;
   bool is_arg_stack(int i) const;
   bool is_arg_returned(int i) const;
+  uint arg_modified(int arg) const;
 
   // Code generation helper
   ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data);
   int      byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); }