Mercurial > hg > truffle
annotate src/share/vm/runtime/stubCodeGenerator.cpp @ 2192:b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
Reviewed-by: dholmes, bdelsart
| author | bobv |
|---|---|
| date | Wed, 02 Feb 2011 11:35:26 -0500 |
| parents | f95d63e2154a |
| children | 1d1603768966 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2010, 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 | |
| 83 StubCodeGenerator::StubCodeGenerator(CodeBuffer* code) { | |
| 84 _masm = new MacroAssembler(code); | |
| 85 _first_stub = _last_stub = NULL; | |
| 86 } | |
| 87 | |
| 88 extern "C" { | |
| 89 static int compare_cdesc(const void* void_a, const void* void_b) { | |
| 90 int ai = (*((StubCodeDesc**) void_a))->index(); | |
| 91 int bi = (*((StubCodeDesc**) void_b))->index(); | |
| 92 return ai - bi; | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 StubCodeGenerator::~StubCodeGenerator() { | |
| 97 if (PrintStubCode) { | |
| 98 CodeBuffer* cbuf = _masm->code(); | |
| 99 CodeBlob* blob = CodeCache::find_blob_unsafe(cbuf->insts()->start()); | |
| 100 if (blob != NULL) { | |
| 101 blob->set_comments(cbuf->comments()); | |
| 102 } | |
| 103 bool saw_first = false; | |
| 104 StubCodeDesc* toprint[1000]; | |
| 105 int toprint_len = 0; | |
| 106 for (StubCodeDesc* cdesc = _last_stub; cdesc != NULL; cdesc = cdesc->_next) { | |
| 107 toprint[toprint_len++] = cdesc; | |
| 108 if (cdesc == _first_stub) { saw_first = true; break; } | |
| 109 } | |
| 110 assert(saw_first, "must get both first & last"); | |
| 111 // Print in reverse order: | |
| 112 qsort(toprint, toprint_len, sizeof(toprint[0]), compare_cdesc); | |
| 113 for (int i = 0; i < toprint_len; i++) { | |
| 114 StubCodeDesc* cdesc = toprint[i]; | |
| 115 cdesc->print(); | |
| 116 tty->cr(); | |
| 117 Disassembler::decode(cdesc->begin(), cdesc->end()); | |
| 118 tty->cr(); | |
| 119 } | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 | |
| 124 void StubCodeGenerator::stub_prolog(StubCodeDesc* cdesc) { | |
| 125 // default implementation - do nothing | |
| 126 } | |
| 127 | |
| 128 | |
| 129 void StubCodeGenerator::stub_epilog(StubCodeDesc* cdesc) { | |
| 130 // default implementation - record the cdesc | |
| 131 if (_first_stub == NULL) _first_stub = cdesc; | |
| 132 _last_stub = cdesc; | |
| 133 } | |
| 134 | |
| 135 | |
| 136 // Implementation of CodeMark | |
| 137 | |
| 138 StubCodeMark::StubCodeMark(StubCodeGenerator* cgen, const char* group, const char* name) { | |
| 139 _cgen = cgen; | |
| 140 _cdesc = new StubCodeDesc(group, name, _cgen->assembler()->pc()); | |
| 141 _cgen->stub_prolog(_cdesc); | |
| 142 // define the stub's beginning (= entry point) to be after the prolog: | |
| 143 _cdesc->set_begin(_cgen->assembler()->pc()); | |
| 144 } | |
| 145 | |
| 146 StubCodeMark::~StubCodeMark() { | |
| 147 _cgen->assembler()->flush(); | |
| 148 _cdesc->set_end(_cgen->assembler()->pc()); | |
| 149 assert(StubCodeDesc::_list == _cdesc, "expected order on list"); | |
| 150 _cgen->stub_epilog(_cdesc); | |
| 151 Forte::register_stub(_cdesc->name(), _cdesc->begin(), _cdesc->end()); | |
| 152 | |
| 153 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 154 JvmtiExport::post_dynamic_code_generated(_cdesc->name(), _cdesc->begin(), _cdesc->end()); | |
| 155 } | |
| 156 } |