Mercurial > hg > truffle
annotate src/share/vm/runtime/rframe.cpp @ 1748:3e8fbc61cee8
6978355: renaming for 6961697
Summary: This is the renaming part of 6961697 to keep the actual changes small for review.
Reviewed-by: kvn, never
| author | twisti |
|---|---|
| date | Wed, 25 Aug 2010 05:27:54 -0700 |
| parents | c18cbe5936b8 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1748 | 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 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 | |
| 27 #include "incls/_rframe.cpp.incl" | |
| 28 | |
| 29 static RFrame*const noCaller = (RFrame*) 0x1; // no caller (i.e., initial frame) | |
| 30 static RFrame*const noCallerYet = (RFrame*) 0x0; // caller not yet computed | |
| 31 | |
| 32 RFrame::RFrame(frame fr, JavaThread* thread, RFrame*const callee) : | |
| 33 _fr(fr), _thread(thread), _callee(callee), _num(callee ? callee->num() + 1 : 0) { | |
| 34 _caller = (RFrame*)noCallerYet; | |
| 35 _invocations = 0; | |
| 36 _distance = 0; | |
| 37 } | |
| 38 | |
| 39 void RFrame::set_distance(int d) { | |
| 40 assert(is_compiled() || d >= 0, "should be positive"); | |
| 41 _distance = d; | |
| 42 } | |
| 43 | |
| 44 InterpretedRFrame::InterpretedRFrame(frame fr, JavaThread* thread, RFrame*const callee) | |
| 45 : RFrame(fr, thread, callee) { | |
| 46 RegisterMap map(thread, false); | |
| 47 _vf = javaVFrame::cast(vframe::new_vframe(&_fr, &map, thread)); | |
| 48 _method = methodHandle(thread, _vf->method()); | |
| 49 assert( _vf->is_interpreted_frame(), "must be interpreted"); | |
| 50 init(); | |
| 51 } | |
| 52 | |
| 53 InterpretedRFrame::InterpretedRFrame(frame fr, JavaThread* thread, methodHandle m) | |
| 54 : RFrame(fr, thread, NULL) { | |
| 55 RegisterMap map(thread, false); | |
| 56 _vf = javaVFrame::cast(vframe::new_vframe(&_fr, &map, thread)); | |
| 57 _method = m; | |
| 58 | |
| 59 assert( _vf->is_interpreted_frame(), "must be interpreted"); | |
| 60 init(); | |
| 61 } | |
| 62 | |
| 63 CompiledRFrame::CompiledRFrame(frame fr, JavaThread* thread, RFrame*const callee) | |
| 64 : RFrame(fr, thread, callee) { | |
| 65 init(); | |
| 66 } | |
| 67 | |
| 68 CompiledRFrame::CompiledRFrame(frame fr, JavaThread* thread) | |
| 69 : RFrame(fr, thread, NULL) { | |
| 70 init(); | |
| 71 } | |
| 72 | |
| 73 DeoptimizedRFrame::DeoptimizedRFrame(frame fr, JavaThread* thread, RFrame*const callee) | |
| 74 : InterpretedRFrame(fr, thread, callee) {} | |
| 75 | |
| 76 RFrame* RFrame::new_RFrame(frame fr, JavaThread* thread, RFrame*const callee) { | |
| 77 RFrame* rf; | |
| 78 int dist = callee ? callee->distance() : -1; | |
| 79 if (fr.is_interpreted_frame()) { | |
| 80 rf = new InterpretedRFrame(fr, thread, callee); | |
| 81 dist++; | |
| 82 } else if (fr.is_compiled_frame()) { | |
| 83 // Even deopted frames look compiled because the deopt | |
| 84 // is invisible until it happens. | |
| 85 rf = new CompiledRFrame(fr, thread, callee); | |
| 86 } else { | |
| 87 assert(false, "Unhandled frame type"); | |
| 88 } | |
| 89 rf->set_distance(dist); | |
| 90 rf->init(); | |
| 91 return rf; | |
| 92 } | |
| 93 | |
| 94 RFrame* RFrame::caller() { | |
| 95 if (_caller != noCallerYet) return (_caller == noCaller) ? NULL : _caller; // already computed caller | |
| 96 | |
| 97 // caller not yet computed; do it now | |
| 98 if (_fr.is_first_java_frame()) { | |
| 99 _caller = (RFrame*)noCaller; | |
| 100 return NULL; | |
| 101 } | |
| 102 | |
| 103 RegisterMap map(_thread, false); | |
| 104 frame sender = _fr.real_sender(&map); | |
| 105 if (sender.is_java_frame()) { | |
| 106 _caller = new_RFrame(sender, thread(), this); | |
| 107 return _caller; | |
| 108 } | |
| 109 | |
| 110 // Real caller is not java related | |
| 111 _caller = (RFrame*)noCaller; | |
| 112 return NULL; | |
| 113 } | |
| 114 | |
| 115 int InterpretedRFrame::cost() const { | |
| 116 return _method->code_size(); // fix this | |
| 117 //return _method->estimated_inline_cost(_receiverKlass); | |
| 118 } | |
| 119 | |
| 120 int CompiledRFrame::cost() const { | |
| 121 nmethod* nm = top_method()->code(); | |
| 122 if (nm != NULL) { | |
| 1748 | 123 return nm->insts_size(); |
| 0 | 124 } else { |
| 125 return top_method()->code_size(); | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 void CompiledRFrame::init() { | |
| 130 RegisterMap map(thread(), false); | |
| 131 vframe* vf = vframe::new_vframe(&_fr, &map, thread()); | |
| 132 assert(vf->is_compiled_frame(), "must be compiled"); | |
| 133 _nm = compiledVFrame::cast(vf)->code(); | |
| 134 vf = vf->top(); | |
| 135 _vf = javaVFrame::cast(vf); | |
| 136 _method = methodHandle(thread(), CodeCache::find_nmethod(_fr.pc())->method()); | |
| 137 assert(_method(), "should have found a method"); | |
| 138 #ifndef PRODUCT | |
| 139 _invocations = _method->compiled_invocation_count(); | |
| 140 #endif | |
| 141 } | |
| 142 | |
| 143 void InterpretedRFrame::init() { | |
| 144 _invocations = _method->invocation_count() + _method->backedge_count(); | |
| 145 } | |
| 146 | |
| 147 void RFrame::print(const char* kind) { | |
| 148 #ifndef PRODUCT | |
| 149 #ifdef COMPILER2 | |
| 150 int cnt = top_method()->interpreter_invocation_count(); | |
| 151 #else | |
| 152 int cnt = top_method()->invocation_count(); | |
| 153 #endif | |
| 154 tty->print("%3d %s ", _num, is_interpreted() ? "I" : "C"); | |
| 155 top_method()->print_short_name(tty); | |
| 156 tty->print_cr(": inv=%5d(%d) cst=%4d", _invocations, cnt, cost()); | |
| 157 #endif | |
| 158 } | |
| 159 | |
| 160 void CompiledRFrame::print() { | |
| 161 RFrame::print("comp"); | |
| 162 } | |
| 163 | |
| 164 void InterpretedRFrame::print() { | |
| 165 RFrame::print("int."); | |
| 166 } | |
| 167 | |
| 168 void DeoptimizedRFrame::print() { | |
| 169 RFrame::print("deopt."); | |
| 170 } |