Mercurial > hg > truffle
annotate src/share/vm/c1/c1_MacroAssembler.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 | 1d1603768966 |
| children | cd3d6a6b95d9 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 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 | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_C1_C1_MACROASSEMBLER_HPP |
| 26 #define SHARE_VM_C1_C1_MACROASSEMBLER_HPP | |
| 27 | |
| 28 #include "asm/assembler.hpp" | |
| 29 #ifdef TARGET_ARCH_x86 | |
| 30 # include "assembler_x86.inline.hpp" | |
| 31 #endif | |
| 32 #ifdef TARGET_ARCH_sparc | |
| 33 # include "assembler_sparc.inline.hpp" | |
| 34 #endif | |
| 35 #ifdef TARGET_ARCH_zero | |
| 36 # include "assembler_zero.inline.hpp" | |
| 37 #endif | |
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38 #ifdef TARGET_ARCH_arm |
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39 # include "assembler_arm.inline.hpp" |
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40 #endif |
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41 #ifdef TARGET_ARCH_ppc |
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42 # include "assembler_ppc.inline.hpp" |
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43 #endif |
| 1972 | 44 |
| 0 | 45 class CodeEmitInfo; |
| 46 | |
| 47 class C1_MacroAssembler: public MacroAssembler { | |
| 48 public: | |
| 49 // creation | |
| 50 C1_MacroAssembler(CodeBuffer* code) : MacroAssembler(code) { pd_init(); } | |
| 51 | |
| 52 //---------------------------------------------------- | |
| 53 void explicit_null_check(Register base); | |
| 54 | |
| 55 void inline_cache_check(Register receiver, Register iCache); | |
| 56 void build_frame(int frame_size_in_bytes); | |
| 1295 | 57 void remove_frame(int frame_size_in_bytes); |
| 0 | 58 |
| 59 void unverified_entry(Register receiver, Register ic_klass); | |
| 60 void verified_entry(); | |
| 61 void verify_stack_oop(int offset) PRODUCT_RETURN; | |
| 62 void verify_not_null_oop(Register r) PRODUCT_RETURN; | |
| 63 | |
| 1972 | 64 #ifdef TARGET_ARCH_x86 |
| 65 # include "c1_MacroAssembler_x86.hpp" | |
| 66 #endif | |
| 67 #ifdef TARGET_ARCH_sparc | |
| 68 # include "c1_MacroAssembler_sparc.hpp" | |
| 69 #endif | |
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70 #ifdef TARGET_ARCH_arm |
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71 # include "c1_MacroAssembler_arm.hpp" |
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72 #endif |
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73 #ifdef TARGET_ARCH_ppc |
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74 # include "c1_MacroAssembler_ppc.hpp" |
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75 #endif |
| 1972 | 76 |
| 0 | 77 }; |
| 78 | |
| 79 | |
| 80 | |
| 81 // A StubAssembler is a MacroAssembler w/ extra functionality for runtime | |
| 82 // stubs. Currently it 'knows' some stub info. Eventually, the information | |
| 83 // may be set automatically or can be asserted when using specialised | |
| 84 // StubAssembler functions. | |
| 85 | |
| 86 class StubAssembler: public C1_MacroAssembler { | |
| 87 private: | |
| 88 const char* _name; | |
| 89 bool _must_gc_arguments; | |
| 90 int _frame_size; | |
| 91 int _num_rt_args; | |
| 92 int _stub_id; | |
| 93 | |
| 94 public: | |
| 95 // creation | |
| 96 StubAssembler(CodeBuffer* code, const char * name, int stub_id); | |
| 97 void set_info(const char* name, bool must_gc_arguments); | |
| 98 | |
| 99 void set_frame_size(int size); | |
| 100 void set_num_rt_args(int args); | |
| 101 | |
| 102 // accessors | |
| 103 const char* name() const { return _name; } | |
| 104 bool must_gc_arguments() const { return _must_gc_arguments; } | |
| 105 int frame_size() const { return _frame_size; } | |
| 106 int num_rt_args() const { return _num_rt_args; } | |
| 107 int stub_id() const { return _stub_id; } | |
| 108 | |
| 109 // runtime calls (return offset of call to be used by GC map) | |
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110 int call_RT(Register oop_result1, Register metadata_result, address entry, int args_size = 0); |
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111 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1); |
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112 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2); |
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113 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3); |
| 0 | 114 }; |
| 1972 | 115 |
| 116 #endif // SHARE_VM_C1_C1_MACROASSEMBLER_HPP |