Mercurial > hg > truffle
annotate src/share/vm/runtime/stubCodeGenerator.cpp @ 6862:8a5ea0a9ccc4
7127708: G1: change task num types from int to uint in concurrent mark
Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich.
Reviewed-by: johnc
Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>
author | johnc |
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date | Sat, 06 Oct 2012 01:17:44 -0700 |
parents | f8c9417e3571 |
children | cd3d6a6b95d9 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, 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 #include "precompiled.hpp" |
26 #include "compiler/disassembler.hpp" | |
27 #include "oops/oop.inline.hpp" | |
28 #include "prims/forte.hpp" | |
29 #include "runtime/stubCodeGenerator.hpp" | |
30 #ifdef TARGET_ARCH_x86 | |
31 # include "assembler_x86.inline.hpp" | |
32 #endif | |
33 #ifdef TARGET_ARCH_sparc | |
34 # include "assembler_sparc.inline.hpp" | |
35 #endif | |
36 #ifdef TARGET_ARCH_zero | |
37 # include "assembler_zero.inline.hpp" | |
38 #endif | |
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39 #ifdef TARGET_ARCH_arm |
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40 # include "assembler_arm.inline.hpp" |
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41 #endif |
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42 #ifdef TARGET_ARCH_ppc |
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43 # include "assembler_ppc.inline.hpp" |
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44 #endif |
0 | 45 |
46 | |
47 // Implementation of StubCodeDesc | |
48 | |
49 StubCodeDesc* StubCodeDesc::_list = NULL; | |
50 int StubCodeDesc::_count = 0; | |
51 | |
52 | |
53 StubCodeDesc* StubCodeDesc::desc_for(address pc) { | |
54 StubCodeDesc* p = _list; | |
55 while (p != NULL && !p->contains(pc)) p = p->_next; | |
56 // p == NULL || p->contains(pc) | |
57 return p; | |
58 } | |
59 | |
60 | |
61 StubCodeDesc* StubCodeDesc::desc_for_index(int index) { | |
62 StubCodeDesc* p = _list; | |
63 while (p != NULL && p->index() != index) p = p->_next; | |
64 return p; | |
65 } | |
66 | |
67 | |
68 const char* StubCodeDesc::name_for(address pc) { | |
69 StubCodeDesc* p = desc_for(pc); | |
70 return p == NULL ? NULL : p->name(); | |
71 } | |
72 | |
73 | |
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74 void StubCodeDesc::print_on(outputStream* st) const { |
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75 st->print(group()); |
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76 st->print("::"); |
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77 st->print(name()); |
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78 st->print(" [" INTPTR_FORMAT ", " INTPTR_FORMAT "[ (%d bytes)", begin(), end(), size_in_bytes()); |
0 | 79 } |
80 | |
81 // Implementation of StubCodeGenerator | |
82 | |
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83 StubCodeGenerator::StubCodeGenerator(CodeBuffer* code, bool print_code) { |
0 | 84 _masm = new MacroAssembler(code); |
85 _first_stub = _last_stub = NULL; | |
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86 _print_code = print_code; |
0 | 87 } |
88 | |
89 extern "C" { | |
90 static int compare_cdesc(const void* void_a, const void* void_b) { | |
91 int ai = (*((StubCodeDesc**) void_a))->index(); | |
92 int bi = (*((StubCodeDesc**) void_b))->index(); | |
93 return ai - bi; | |
94 } | |
95 } | |
96 | |
97 StubCodeGenerator::~StubCodeGenerator() { | |
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98 if (PrintStubCode || _print_code) { |
0 | 99 CodeBuffer* cbuf = _masm->code(); |
100 CodeBlob* blob = CodeCache::find_blob_unsafe(cbuf->insts()->start()); | |
101 if (blob != NULL) { | |
102 blob->set_comments(cbuf->comments()); | |
103 } | |
104 bool saw_first = false; | |
105 StubCodeDesc* toprint[1000]; | |
106 int toprint_len = 0; | |
107 for (StubCodeDesc* cdesc = _last_stub; cdesc != NULL; cdesc = cdesc->_next) { | |
108 toprint[toprint_len++] = cdesc; | |
109 if (cdesc == _first_stub) { saw_first = true; break; } | |
110 } | |
111 assert(saw_first, "must get both first & last"); | |
112 // Print in reverse order: | |
113 qsort(toprint, toprint_len, sizeof(toprint[0]), compare_cdesc); | |
114 for (int i = 0; i < toprint_len; i++) { | |
115 StubCodeDesc* cdesc = toprint[i]; | |
116 cdesc->print(); | |
117 tty->cr(); | |
118 Disassembler::decode(cdesc->begin(), cdesc->end()); | |
119 tty->cr(); | |
120 } | |
121 } | |
122 } | |
123 | |
124 | |
125 void StubCodeGenerator::stub_prolog(StubCodeDesc* cdesc) { | |
126 // default implementation - do nothing | |
127 } | |
128 | |
129 | |
130 void StubCodeGenerator::stub_epilog(StubCodeDesc* cdesc) { | |
131 // default implementation - record the cdesc | |
132 if (_first_stub == NULL) _first_stub = cdesc; | |
133 _last_stub = cdesc; | |
134 } | |
135 | |
136 | |
137 // Implementation of CodeMark | |
138 | |
139 StubCodeMark::StubCodeMark(StubCodeGenerator* cgen, const char* group, const char* name) { | |
140 _cgen = cgen; | |
141 _cdesc = new StubCodeDesc(group, name, _cgen->assembler()->pc()); | |
142 _cgen->stub_prolog(_cdesc); | |
143 // define the stub's beginning (= entry point) to be after the prolog: | |
144 _cdesc->set_begin(_cgen->assembler()->pc()); | |
145 } | |
146 | |
147 StubCodeMark::~StubCodeMark() { | |
148 _cgen->assembler()->flush(); | |
149 _cdesc->set_end(_cgen->assembler()->pc()); | |
150 assert(StubCodeDesc::_list == _cdesc, "expected order on list"); | |
151 _cgen->stub_epilog(_cdesc); | |
152 Forte::register_stub(_cdesc->name(), _cdesc->begin(), _cdesc->end()); | |
153 | |
154 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
155 JvmtiExport::post_dynamic_code_generated(_cdesc->name(), _cdesc->begin(), _cdesc->end()); | |
156 } | |
157 } |