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comparison src/share/vm/oops/generateOopMap.hpp @ 6725:da91efe96a93

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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 1d1603768966
children 78bbf4d43a14
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
26 #define SHARE_VM_OOPS_GENERATEOOPMAP_HPP 26 #define SHARE_VM_OOPS_GENERATEOOPMAP_HPP
27 27
28 #include "interpreter/bytecodeStream.hpp" 28 #include "interpreter/bytecodeStream.hpp"
29 #include "memory/allocation.inline.hpp" 29 #include "memory/allocation.inline.hpp"
30 #include "memory/universe.inline.hpp" 30 #include "memory/universe.inline.hpp"
31 #include "oops/methodOop.hpp" 31 #include "oops/method.hpp"
32 #include "oops/oopsHierarchy.hpp" 32 #include "oops/oopsHierarchy.hpp"
33 #include "runtime/signature.hpp" 33 #include "runtime/signature.hpp"
34 34
35 // Forward definition 35 // Forward definition
36 class MethodOopMap;
37 class GenerateOopMap; 36 class GenerateOopMap;
38 class BasicBlock; 37 class BasicBlock;
39 class CellTypeState; 38 class CellTypeState;
40 class StackMap; 39 class StackMap;
41 40
284 283
285 284
286 // 285 //
287 // GenerateOopMap 286 // GenerateOopMap
288 // 287 //
289 // Main class used to compute the pointer-maps in a MethodOop 288 // Main class used to compute the pointer-maps in a Method
290 // 289 //
291 class GenerateOopMap VALUE_OBJ_CLASS_SPEC { 290 class GenerateOopMap VALUE_OBJ_CLASS_SPEC {
292 protected: 291 protected:
293 292
294 // _monitor_top is set to this constant to indicate that a monitor matching 293 // _monitor_top is set to this constant to indicate that a monitor matching
469 void compute_map(TRAPS); 468 void compute_map(TRAPS);
470 void result_for_basicblock(int bci); // Do a callback on fill_stackmap_for_opcodes for basicblock containing bci 469 void result_for_basicblock(int bci); // Do a callback on fill_stackmap_for_opcodes for basicblock containing bci
471 470
472 // Query 471 // Query
473 int max_locals() const { return _max_locals; } 472 int max_locals() const { return _max_locals; }
474 methodOop method() const { return _method(); } 473 Method* method() const { return _method(); }
475 methodHandle method_as_handle() const { return _method; } 474 methodHandle method_as_handle() const { return _method; }
476 475
477 bool did_rewriting() { return _did_rewriting; } 476 bool did_rewriting() { return _did_rewriting; }
478 bool did_relocation() { return _did_relocation; } 477 bool did_relocation() { return _did_relocation; }
479 478