Mercurial > hg > truffle
annotate src/cpu/zero/vm/interpreterFrame_zero.hpp @ 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 | f95d63e2154a |
| children |
| rev | line source |
|---|---|
| 1010 | 1 /* |
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6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
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changeset
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| 1379 | 3 * Copyright 2008, 2010 Red Hat, Inc. |
| 1010 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
|
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
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21 * or visit www.oracle.com if you need additional information or have any |
|
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22 * questions. |
| 1010 | 23 * |
| 24 */ | |
| 25 | |
| 1972 | 26 #ifndef CPU_ZERO_VM_INTERPRETERFRAME_ZERO_HPP |
| 27 #define CPU_ZERO_VM_INTERPRETERFRAME_ZERO_HPP | |
| 28 | |
| 29 #include "interpreter/bytecodeInterpreter.hpp" | |
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
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30 #include "oops/method.hpp" |
| 1972 | 31 #include "runtime/thread.hpp" |
| 32 #include "stack_zero.hpp" | |
| 33 | |
| 1010 | 34 #ifdef CC_INTERP |
| 35 // | ... | | |
| 36 // +--------------------+ ------------------ | |
| 37 // | stack slot n-1 | low addresses | |
| 38 // | ... | | |
| 39 // | stack slot 0 | | |
| 40 // | monitor 0 (maybe) | | |
| 41 // | ... | | |
| 42 // | interpreter state | | |
| 43 // | ... | | |
| 44 // | frame_type | | |
| 45 // | next_frame | high addresses | |
| 46 // +--------------------+ ------------------ | |
| 47 // | ... | | |
| 48 | |
| 49 class InterpreterFrame : public ZeroFrame { | |
| 50 friend class AbstractInterpreter; | |
| 51 | |
| 52 private: | |
| 53 InterpreterFrame() : ZeroFrame() { | |
| 54 ShouldNotCallThis(); | |
| 55 } | |
| 56 | |
| 57 protected: | |
| 58 enum Layout { | |
| 59 istate_off = jf_header_words + | |
| 60 (align_size_up_(sizeof(BytecodeInterpreter), | |
| 61 wordSize) >> LogBytesPerWord) - 1, | |
| 62 header_words | |
| 63 }; | |
| 64 | |
| 65 public: | |
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6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
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66 static InterpreterFrame *build(Method* const method, TRAPS); |
| 1379 | 67 static InterpreterFrame *build(int size, TRAPS); |
| 1010 | 68 |
| 69 public: | |
| 70 interpreterState interpreter_state() const { | |
| 71 return (interpreterState) addr_of_word(istate_off); | |
| 72 } | |
| 73 | |
| 74 public: | |
| 75 void identify_word(int frame_index, | |
| 76 int offset, | |
| 77 char* fieldbuf, | |
| 78 char* valuebuf, | |
| 79 int buflen) const; | |
| 80 }; | |
| 81 #endif // CC_INTERP | |
| 1972 | 82 |
| 83 #endif // CPU_ZERO_VM_INTERPRETERFRAME_ZERO_HPP |