Mercurial > hg > truffle
annotate src/cpu/zero/vm/entry_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:
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| 1514 | 3 * Copyright 2008, 2009, 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_ENTRY_ZERO_HPP |
| 27 #define CPU_ZERO_VM_ENTRY_ZERO_HPP | |
| 28 | |
| 1010 | 29 class ZeroEntry { |
| 30 public: | |
| 31 ZeroEntry() { | |
| 32 ShouldNotCallThis(); | |
| 33 } | |
| 34 | |
| 35 private: | |
| 36 address _entry_point; | |
| 37 | |
| 38 public: | |
| 39 address entry_point() const { | |
| 40 return _entry_point; | |
| 41 } | |
| 42 void set_entry_point(address entry_point) { | |
| 43 _entry_point = entry_point; | |
| 44 } | |
| 45 | |
| 46 private: | |
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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47 typedef int (*NormalEntryFunc)(Method* method, |
| 1514 | 48 intptr_t base_pc, |
| 49 TRAPS); | |
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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50 typedef int (*OSREntryFunc)(Method* method, |
| 1514 | 51 address osr_buf, |
| 52 intptr_t base_pc, | |
| 53 TRAPS); | |
| 1010 | 54 |
| 55 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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56 void invoke(Method* method, TRAPS) const { |
| 1514 | 57 maybe_deoptimize( |
| 58 ((NormalEntryFunc) entry_point())(method, (intptr_t) this, THREAD), | |
| 59 THREAD); | |
| 1010 | 60 } |
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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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61 void invoke_osr(Method* method, address osr_buf, TRAPS) const { |
| 1514 | 62 maybe_deoptimize( |
| 63 ((OSREntryFunc) entry_point())(method, osr_buf, (intptr_t) this, THREAD), | |
| 64 THREAD); | |
| 65 } | |
| 66 | |
| 67 private: | |
| 68 static void maybe_deoptimize(int deoptimized_frames, TRAPS) { | |
| 69 if (deoptimized_frames) | |
| 70 CppInterpreter::main_loop(deoptimized_frames - 1, THREAD); | |
| 1010 | 71 } |
| 72 | |
| 73 public: | |
| 74 static ByteSize entry_point_offset() { | |
| 75 return byte_offset_of(ZeroEntry, _entry_point); | |
| 76 } | |
| 77 }; | |
| 1972 | 78 |
| 79 #endif // CPU_ZERO_VM_ENTRY_ZERO_HPP |