Mercurial > hg > truffle
annotate src/share/vm/interpreter/bytecodeTracer.cpp @ 17472:2a907fd129cb
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author | chegar |
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date | Fri, 06 Sep 2013 09:55:38 +0100 |
parents | f16e75e0cf11 |
children | 190899198332 |
rev | line source |
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0 | 1 /* |
8104 | 2 * Copyright (c) 1997, 2013, 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 "interpreter/bytecodeHistogram.hpp" | |
27 #include "interpreter/bytecodeTracer.hpp" | |
28 #include "interpreter/bytecodes.hpp" | |
29 #include "interpreter/interpreter.hpp" | |
30 #include "interpreter/interpreterRuntime.hpp" | |
31 #include "memory/resourceArea.hpp" | |
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32 #include "oops/methodData.hpp" |
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33 #include "oops/method.hpp" |
1972 | 34 #include "runtime/mutexLocker.hpp" |
35 #include "runtime/timer.hpp" | |
0 | 36 |
37 | |
38 #ifndef PRODUCT | |
39 | |
40 // Standard closure for BytecodeTracer: prints the current bytecode | |
41 // and its attributes using bytecode-specific information. | |
42 | |
43 class BytecodePrinter: public BytecodeClosure { | |
44 private: | |
45 // %%% This field is not GC-ed, and so can contain garbage | |
46 // between critical sections. Use only pointer-comparison | |
47 // operations on the pointer, except within a critical section. | |
48 // (Also, ensure that occasional false positives are benign.) | |
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49 Method* _current_method; |
0 | 50 bool _is_wide; |
1565 | 51 Bytecodes::Code _code; |
0 | 52 address _next_pc; // current decoding position |
53 | |
54 void align() { _next_pc = (address)round_to((intptr_t)_next_pc, sizeof(jint)); } | |
55 int get_byte() { return *(jbyte*) _next_pc++; } // signed | |
56 short get_short() { short i=Bytes::get_Java_u2(_next_pc); _next_pc+=2; return i; } | |
57 int get_int() { int i=Bytes::get_Java_u4(_next_pc); _next_pc+=4; return i; } | |
58 | |
1565 | 59 int get_index_u1() { return *(address)_next_pc++; } |
60 int get_index_u2() { int i=Bytes::get_Java_u2(_next_pc); _next_pc+=2; return i; } | |
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61 int get_index_u1_cpcache() { return get_index_u1() + ConstantPool::CPCACHE_INDEX_TAG; } |
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62 int get_index_u2_cpcache() { int i=Bytes::get_native_u2(_next_pc); _next_pc+=2; return i + ConstantPool::CPCACHE_INDEX_TAG; } |
1565 | 63 int get_index_u4() { int i=Bytes::get_native_u4(_next_pc); _next_pc+=4; return i; } |
64 int get_index_special() { return (is_wide()) ? get_index_u2() : get_index_u1(); } | |
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65 Method* method() { return _current_method; } |
0 | 66 bool is_wide() { return _is_wide; } |
1565 | 67 Bytecodes::Code raw_code() { return Bytecodes::Code(_code); } |
0 | 68 |
69 | |
1565 | 70 bool check_index(int i, int& cp_index, outputStream* st = tty); |
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71 bool check_cp_cache_index(int i, int& cp_index, outputStream* st = tty); |
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72 bool check_obj_index(int i, int& cp_index, outputStream* st = tty); |
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73 bool check_invokedynamic_index(int i, int& cp_index, outputStream* st = tty); |
0 | 74 void print_constant(int i, outputStream* st = tty); |
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75 void print_field_or_method(int i, outputStream* st = tty); |
1602 | 76 void print_field_or_method(int orig_i, int i, outputStream* st = tty); |
1565 | 77 void print_attributes(int bci, outputStream* st = tty); |
0 | 78 void bytecode_epilog(int bci, outputStream* st = tty); |
79 | |
80 public: | |
81 BytecodePrinter() { | |
82 _is_wide = false; | |
1565 | 83 _code = Bytecodes::_illegal; |
0 | 84 } |
85 | |
86 // This method is called while executing the raw bytecodes, so none of | |
87 // the adjustments that BytecodeStream performs applies. | |
88 void trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) { | |
89 ResourceMark rm; | |
90 if (_current_method != method()) { | |
91 // Note 1: This code will not work as expected with true MT/MP. | |
92 // Need an explicit lock or a different solution. | |
93 // It is possible for this block to be skipped, if a garbage | |
94 // _current_method pointer happens to have the same bits as | |
95 // the incoming method. We could lose a line of trace output. | |
96 // This is acceptable in a debug-only feature. | |
97 st->cr(); | |
3960 | 98 st->print("[%ld] ", (long) Thread::current()->osthread()->thread_id()); |
0 | 99 method->print_name(st); |
100 st->cr(); | |
101 _current_method = method(); | |
102 } | |
103 Bytecodes::Code code; | |
104 if (is_wide()) { | |
105 // bcp wasn't advanced if previous bytecode was _wide. | |
2142 | 106 code = Bytecodes::code_at(method(), bcp+1); |
0 | 107 } else { |
2142 | 108 code = Bytecodes::code_at(method(), bcp); |
0 | 109 } |
1565 | 110 _code = code; |
111 int bci = bcp - method->code_base(); | |
3960 | 112 st->print("[%ld] ", (long) Thread::current()->osthread()->thread_id()); |
0 | 113 if (Verbose) { |
114 st->print("%8d %4d " INTPTR_FORMAT " " INTPTR_FORMAT " %s", | |
115 BytecodeCounter::counter_value(), bci, tos, tos2, Bytecodes::name(code)); | |
116 } else { | |
117 st->print("%8d %4d %s", | |
118 BytecodeCounter::counter_value(), bci, Bytecodes::name(code)); | |
119 } | |
120 _next_pc = is_wide() ? bcp+2 : bcp+1; | |
1565 | 121 print_attributes(bci); |
0 | 122 // Set is_wide for the next one, since the caller of this doesn't skip |
123 // the next bytecode. | |
124 _is_wide = (code == Bytecodes::_wide); | |
1565 | 125 _code = Bytecodes::_illegal; |
0 | 126 } |
127 | |
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128 // Used for Method*::print_codes(). The input bcp comes from |
0 | 129 // BytecodeStream, which will skip wide bytecodes. |
130 void trace(methodHandle method, address bcp, outputStream* st) { | |
131 _current_method = method(); | |
132 ResourceMark rm; | |
2142 | 133 Bytecodes::Code code = Bytecodes::code_at(method(), bcp); |
0 | 134 // Set is_wide |
135 _is_wide = (code == Bytecodes::_wide); | |
136 if (is_wide()) { | |
2142 | 137 code = Bytecodes::code_at(method(), bcp+1); |
0 | 138 } |
1565 | 139 _code = code; |
0 | 140 int bci = bcp - method->code_base(); |
141 // Print bytecode index and name | |
142 if (is_wide()) { | |
143 st->print("%d %s_w", bci, Bytecodes::name(code)); | |
144 } else { | |
145 st->print("%d %s", bci, Bytecodes::name(code)); | |
146 } | |
147 _next_pc = is_wide() ? bcp+2 : bcp+1; | |
1565 | 148 print_attributes(bci, st); |
0 | 149 bytecode_epilog(bci, st); |
150 } | |
151 }; | |
152 | |
153 | |
154 // Implementation of BytecodeTracer | |
155 | |
156 // %%% This set_closure thing seems overly general, given that | |
157 // nobody uses it. Also, if BytecodePrinter weren't hidden | |
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158 // then Method* could use instances of it directly and it |
0 | 159 // would be easier to remove races on _current_method and bcp. |
160 // Since this is not product functionality, we can defer cleanup. | |
161 | |
162 BytecodeClosure* BytecodeTracer::_closure = NULL; | |
163 | |
164 static BytecodePrinter std_closure; | |
165 BytecodeClosure* BytecodeTracer::std_closure() { | |
166 return &::std_closure; | |
167 } | |
168 | |
169 | |
170 void BytecodeTracer::trace(methodHandle method, address bcp, uintptr_t tos, uintptr_t tos2, outputStream* st) { | |
171 if (TraceBytecodes && BytecodeCounter::counter_value() >= TraceBytecodesAt) { | |
172 ttyLocker ttyl; // 5065316: keep the following output coherent | |
173 // The ttyLocker also prevents races between two threads | |
174 // trying to use the single instance of BytecodePrinter. | |
175 // Using the ttyLocker prevents the system from coming to | |
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176 // a safepoint within this code, which is sensitive to Method* |
0 | 177 // movement. |
178 // | |
179 // There used to be a leaf mutex here, but the ttyLocker will | |
180 // work just as well, as long as the printing operations never block. | |
181 // | |
182 // We put the locker on the static trace method, not the | |
183 // virtual one, because the clients of this module go through | |
184 // the static method. | |
185 _closure->trace(method, bcp, tos, tos2, st); | |
186 } | |
187 } | |
188 | |
189 void BytecodeTracer::trace(methodHandle method, address bcp, outputStream* st) { | |
190 ttyLocker ttyl; // 5065316: keep the following output coherent | |
191 _closure->trace(method, bcp, st); | |
192 } | |
193 | |
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194 void print_symbol(Symbol* sym, outputStream* st) { |
1602 | 195 char buf[40]; |
196 int len = sym->utf8_length(); | |
197 if (len >= (int)sizeof(buf)) { | |
198 st->print_cr(" %s...[%d]", sym->as_C_string(buf, sizeof(buf)), len); | |
199 } else { | |
200 st->print(" "); | |
201 sym->print_on(st); st->cr(); | |
202 } | |
203 } | |
204 | |
0 | 205 void print_oop(oop value, outputStream* st) { |
206 if (value == NULL) { | |
207 st->print_cr(" NULL"); | |
1602 | 208 } else if (java_lang_String::is_instance(value)) { |
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209 char buf[40]; |
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210 int len = java_lang_String::utf8_length(value); |
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211 java_lang_String::as_utf8_string(value, buf, sizeof(buf)); |
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212 if (len >= (int)sizeof(buf)) { |
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213 st->print_cr(" %s...[%d]", buf, len); |
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214 } else { |
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215 st->print_cr(" %s", buf); |
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216 } |
1602 | 217 } else { |
218 st->print_cr(" " PTR_FORMAT, (intptr_t) value); | |
0 | 219 } |
220 } | |
221 | |
1565 | 222 bool BytecodePrinter::check_index(int i, int& cp_index, outputStream* st) { |
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223 ConstantPool* constants = method()->constants(); |
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224 int ilimit = constants->length(); |
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225 Bytecodes::Code code = raw_code(); |
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226 |
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227 ConstantPoolCache* cache = NULL; |
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228 if (Bytecodes::uses_cp_cache(code)) { |
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229 bool okay = true; |
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230 switch (code) { |
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231 case Bytecodes::_fast_aldc: |
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232 case Bytecodes::_fast_aldc_w: |
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233 okay = check_obj_index(i, cp_index, st); |
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234 break; |
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235 case Bytecodes::_invokedynamic: |
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236 okay = check_invokedynamic_index(i, cp_index, st); |
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237 break; |
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238 default: |
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239 okay = check_cp_cache_index(i, cp_index, st); |
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240 break; |
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241 } |
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242 if (!okay) return false; |
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243 } |
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244 |
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245 |
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246 // check cp index |
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247 if (cp_index >= 0 && cp_index < ilimit) { |
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248 if (WizardMode) st->print(" cp[%d]", cp_index); |
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249 return true; |
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250 } |
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251 |
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252 st->print_cr(" CP[%d] not in CP", cp_index); |
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253 return false; |
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254 } |
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255 |
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256 bool BytecodePrinter::check_cp_cache_index(int i, int& cp_index, outputStream* st) { |
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257 ConstantPool* constants = method()->constants(); |
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258 int ilimit = constants->length(), climit = 0; |
1565 | 259 Bytecodes::Code code = raw_code(); |
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260 |
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261 ConstantPoolCache* cache = constants->cache(); |
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262 // If rewriter hasn't run, the index is the cp_index |
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263 if (cache == NULL) { |
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264 cp_index = i; |
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265 return true; |
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266 } |
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267 //climit = cache->length(); // %%% private! |
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268 size_t size = cache->size() * HeapWordSize; |
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269 size -= sizeof(ConstantPoolCache); |
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270 size /= sizeof(ConstantPoolCacheEntry); |
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271 climit = (int) size; |
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272 |
1565 | 273 #ifdef ASSERT |
274 { | |
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275 const int CPCACHE_INDEX_TAG = ConstantPool::CPCACHE_INDEX_TAG; |
1565 | 276 if (i >= CPCACHE_INDEX_TAG && i < climit + CPCACHE_INDEX_TAG) { |
277 i -= CPCACHE_INDEX_TAG; | |
278 } else { | |
279 st->print_cr(" CP[%d] missing bias?", i); | |
280 return false; | |
281 } | |
282 } | |
283 #endif //ASSERT | |
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284 if (i >= 0 && i < climit) { |
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285 cp_index = cache->entry_at(i)->constant_pool_index(); |
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286 } else { |
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287 st->print_cr(" not in CP[*]?", i); |
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288 return false; |
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289 } |
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290 return true; |
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291 } |
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292 |
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293 |
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294 bool BytecodePrinter::check_obj_index(int i, int& cp_index, outputStream* st) { |
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295 ConstantPool* constants = method()->constants(); |
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296 i -= ConstantPool::CPCACHE_INDEX_TAG; |
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297 |
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298 if (i >= 0 && i < constants->resolved_references()->length()) { |
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299 cp_index = constants->object_to_cp_index(i); |
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300 return true; |
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301 } else { |
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302 st->print_cr(" not in OBJ[*]?", i); |
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303 return false; |
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304 } |
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305 } |
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306 |
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307 |
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308 bool BytecodePrinter::check_invokedynamic_index(int i, int& cp_index, outputStream* st) { |
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309 ConstantPool* constants = method()->constants(); |
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310 assert(ConstantPool::is_invokedynamic_index(i), "not secondary index?"); |
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311 i = ConstantPool::decode_invokedynamic_index(i) + ConstantPool::CPCACHE_INDEX_TAG; |
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312 |
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313 return check_cp_cache_index(i, cp_index, st); |
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314 } |
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315 |
0 | 316 void BytecodePrinter::print_constant(int i, outputStream* st) { |
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317 int orig_i = i; |
1565 | 318 if (!check_index(orig_i, i, st)) return; |
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319 |
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320 ConstantPool* constants = method()->constants(); |
0 | 321 constantTag tag = constants->tag_at(i); |
322 | |
323 if (tag.is_int()) { | |
324 st->print_cr(" " INT32_FORMAT, constants->int_at(i)); | |
325 } else if (tag.is_long()) { | |
326 st->print_cr(" " INT64_FORMAT, constants->long_at(i)); | |
327 } else if (tag.is_float()) { | |
328 st->print_cr(" %f", constants->float_at(i)); | |
329 } else if (tag.is_double()) { | |
330 st->print_cr(" %f", constants->double_at(i)); | |
331 } else if (tag.is_string()) { | |
1602 | 332 const char* string = constants->string_at_noresolve(i); |
333 st->print_cr(" %s", string); | |
0 | 334 } else if (tag.is_klass()) { |
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335 st->print_cr(" %s", constants->resolved_klass_at(i)->external_name()); |
0 | 336 } else if (tag.is_unresolved_klass()) { |
337 st->print_cr(" <unresolved klass at %d>", i); | |
1602 | 338 } else if (tag.is_method_type()) { |
339 int i2 = constants->method_type_index_at(i); | |
340 st->print(" <MethodType> %d", i2); | |
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341 print_symbol(constants->symbol_at(i2), st); |
1602 | 342 } else if (tag.is_method_handle()) { |
343 int kind = constants->method_handle_ref_kind_at(i); | |
344 int i2 = constants->method_handle_index_at(i); | |
345 st->print(" <MethodHandle of kind %d>", kind, i2); | |
346 print_field_or_method(-i, i2, st); | |
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347 } else { |
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348 st->print_cr(" bad tag=%d at %d", tag.value(), i); |
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349 } |
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350 } |
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351 |
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352 void BytecodePrinter::print_field_or_method(int i, outputStream* st) { |
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353 int orig_i = i; |
1565 | 354 if (!check_index(orig_i, i, st)) return; |
1602 | 355 print_field_or_method(orig_i, i, st); |
356 } | |
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357 |
1602 | 358 void BytecodePrinter::print_field_or_method(int orig_i, int i, outputStream* st) { |
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359 ConstantPool* constants = method()->constants(); |
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360 constantTag tag = constants->tag_at(i); |
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361 |
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362 bool has_klass = true; |
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363 |
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364 switch (tag.value()) { |
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365 case JVM_CONSTANT_InterfaceMethodref: |
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366 case JVM_CONSTANT_Methodref: |
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367 case JVM_CONSTANT_Fieldref: |
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368 break; |
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369 case JVM_CONSTANT_NameAndType: |
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370 case JVM_CONSTANT_InvokeDynamic: |
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371 has_klass = false; |
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372 break; |
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373 default: |
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374 st->print_cr(" bad tag=%d at %d", tag.value(), i); |
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375 return; |
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376 } |
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377 |
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378 Symbol* name = constants->uncached_name_ref_at(i); |
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379 Symbol* signature = constants->uncached_signature_ref_at(i); |
1602 | 380 const char* sep = (tag.is_field() ? "/" : ""); |
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381 if (has_klass) { |
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382 Symbol* klass = constants->klass_name_at(constants->uncached_klass_ref_index_at(i)); |
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383 st->print_cr(" %d <%s.%s%s%s> ", i, klass->as_C_string(), name->as_C_string(), sep, signature->as_C_string()); |
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384 } else { |
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385 if (tag.is_invoke_dynamic()) { |
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386 int bsm = constants->invoke_dynamic_bootstrap_method_ref_index_at(i); |
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387 st->print(" bsm=%d", bsm); |
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388 } |
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389 st->print_cr(" %d <%s%s%s>", i, name->as_C_string(), sep, signature->as_C_string()); |
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390 } |
0 | 391 } |
392 | |
393 | |
1565 | 394 void BytecodePrinter::print_attributes(int bci, outputStream* st) { |
0 | 395 // Show attributes of pre-rewritten codes |
1565 | 396 Bytecodes::Code code = Bytecodes::java_code(raw_code()); |
0 | 397 // If the code doesn't have any fields there's nothing to print. |
398 // note this is ==1 because the tableswitch and lookupswitch are | |
399 // zero size (for some reason) and we want to print stuff out for them. | |
400 if (Bytecodes::length_for(code) == 1) { | |
401 st->cr(); | |
402 return; | |
403 } | |
404 | |
405 switch(code) { | |
406 // Java specific bytecodes only matter. | |
407 case Bytecodes::_bipush: | |
408 st->print_cr(" " INT32_FORMAT, get_byte()); | |
409 break; | |
410 case Bytecodes::_sipush: | |
411 st->print_cr(" " INT32_FORMAT, get_short()); | |
412 break; | |
413 case Bytecodes::_ldc: | |
1602 | 414 if (Bytecodes::uses_cp_cache(raw_code())) { |
415 print_constant(get_index_u1_cpcache(), st); | |
416 } else { | |
417 print_constant(get_index_u1(), st); | |
418 } | |
0 | 419 break; |
420 | |
421 case Bytecodes::_ldc_w: | |
422 case Bytecodes::_ldc2_w: | |
1602 | 423 if (Bytecodes::uses_cp_cache(raw_code())) { |
424 print_constant(get_index_u2_cpcache(), st); | |
425 } else { | |
426 print_constant(get_index_u2(), st); | |
427 } | |
0 | 428 break; |
429 | |
430 case Bytecodes::_iload: | |
431 case Bytecodes::_lload: | |
432 case Bytecodes::_fload: | |
433 case Bytecodes::_dload: | |
434 case Bytecodes::_aload: | |
435 case Bytecodes::_istore: | |
436 case Bytecodes::_lstore: | |
437 case Bytecodes::_fstore: | |
438 case Bytecodes::_dstore: | |
439 case Bytecodes::_astore: | |
440 st->print_cr(" #%d", get_index_special()); | |
441 break; | |
442 | |
443 case Bytecodes::_iinc: | |
444 { int index = get_index_special(); | |
445 jint offset = is_wide() ? get_short(): get_byte(); | |
446 st->print_cr(" #%d " INT32_FORMAT, index, offset); | |
447 } | |
448 break; | |
449 | |
450 case Bytecodes::_newarray: { | |
1565 | 451 BasicType atype = (BasicType)get_index_u1(); |
0 | 452 const char* str = type2name(atype); |
453 if (str == NULL || atype == T_OBJECT || atype == T_ARRAY) { | |
454 assert(false, "Unidentified basic type"); | |
455 } | |
456 st->print_cr(" %s", str); | |
457 } | |
458 break; | |
459 case Bytecodes::_anewarray: { | |
1565 | 460 int klass_index = get_index_u2(); |
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461 ConstantPool* constants = method()->constants(); |
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462 Symbol* name = constants->klass_name_at(klass_index); |
0 | 463 st->print_cr(" %s ", name->as_C_string()); |
464 } | |
465 break; | |
466 case Bytecodes::_multianewarray: { | |
1565 | 467 int klass_index = get_index_u2(); |
468 int nof_dims = get_index_u1(); | |
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469 ConstantPool* constants = method()->constants(); |
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470 Symbol* name = constants->klass_name_at(klass_index); |
0 | 471 st->print_cr(" %s %d", name->as_C_string(), nof_dims); |
472 } | |
473 break; | |
474 | |
475 case Bytecodes::_ifeq: | |
476 case Bytecodes::_ifnull: | |
477 case Bytecodes::_iflt: | |
478 case Bytecodes::_ifle: | |
479 case Bytecodes::_ifne: | |
480 case Bytecodes::_ifnonnull: | |
481 case Bytecodes::_ifgt: | |
482 case Bytecodes::_ifge: | |
483 case Bytecodes::_if_icmpeq: | |
484 case Bytecodes::_if_icmpne: | |
485 case Bytecodes::_if_icmplt: | |
486 case Bytecodes::_if_icmpgt: | |
487 case Bytecodes::_if_icmple: | |
488 case Bytecodes::_if_icmpge: | |
489 case Bytecodes::_if_acmpeq: | |
490 case Bytecodes::_if_acmpne: | |
491 case Bytecodes::_goto: | |
492 case Bytecodes::_jsr: | |
493 st->print_cr(" %d", bci + get_short()); | |
494 break; | |
495 | |
496 case Bytecodes::_goto_w: | |
497 case Bytecodes::_jsr_w: | |
498 st->print_cr(" %d", bci + get_int()); | |
499 break; | |
500 | |
501 case Bytecodes::_ret: st->print_cr(" %d", get_index_special()); break; | |
502 | |
503 case Bytecodes::_tableswitch: | |
504 { align(); | |
505 int default_dest = bci + get_int(); | |
506 int lo = get_int(); | |
507 int hi = get_int(); | |
508 int len = hi - lo + 1; | |
509 jint* dest = NEW_RESOURCE_ARRAY(jint, len); | |
510 for (int i = 0; i < len; i++) { | |
511 dest[i] = bci + get_int(); | |
512 } | |
513 st->print(" %d " INT32_FORMAT " " INT32_FORMAT " ", | |
514 default_dest, lo, hi); | |
515 int first = true; | |
516 for (int ll = lo; ll <= hi; ll++, first = false) { | |
517 int idx = ll - lo; | |
518 const char *format = first ? " %d:" INT32_FORMAT " (delta: %d)" : | |
519 ", %d:" INT32_FORMAT " (delta: %d)"; | |
520 st->print(format, ll, dest[idx], dest[idx]-bci); | |
521 } | |
522 st->cr(); | |
523 } | |
524 break; | |
525 case Bytecodes::_lookupswitch: | |
526 { align(); | |
527 int default_dest = bci + get_int(); | |
528 int len = get_int(); | |
529 jint* key = NEW_RESOURCE_ARRAY(jint, len); | |
530 jint* dest = NEW_RESOURCE_ARRAY(jint, len); | |
531 for (int i = 0; i < len; i++) { | |
532 key [i] = get_int(); | |
533 dest[i] = bci + get_int(); | |
534 }; | |
535 st->print(" %d %d ", default_dest, len); | |
536 bool first = true; | |
537 for (int ll = 0; ll < len; ll++, first = false) { | |
538 const char *format = first ? " " INT32_FORMAT ":" INT32_FORMAT : | |
539 ", " INT32_FORMAT ":" INT32_FORMAT ; | |
540 st->print(format, key[ll], dest[ll]); | |
541 } | |
542 st->cr(); | |
543 } | |
544 break; | |
545 | |
546 case Bytecodes::_putstatic: | |
547 case Bytecodes::_getstatic: | |
548 case Bytecodes::_putfield: | |
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549 case Bytecodes::_getfield: |
1565 | 550 print_field_or_method(get_index_u2_cpcache(), st); |
0 | 551 break; |
552 | |
553 case Bytecodes::_invokevirtual: | |
554 case Bytecodes::_invokespecial: | |
555 case Bytecodes::_invokestatic: | |
1565 | 556 print_field_or_method(get_index_u2_cpcache(), st); |
0 | 557 break; |
558 | |
559 case Bytecodes::_invokeinterface: | |
1565 | 560 { int i = get_index_u2_cpcache(); |
561 int n = get_index_u1(); | |
562 get_byte(); // ignore zero byte | |
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563 print_field_or_method(i, st); |
0 | 564 } |
565 break; | |
566 | |
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567 case Bytecodes::_invokedynamic: |
1565 | 568 print_field_or_method(get_index_u4(), st); |
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569 break; |
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570 |
0 | 571 case Bytecodes::_new: |
572 case Bytecodes::_checkcast: | |
573 case Bytecodes::_instanceof: | |
1565 | 574 { int i = get_index_u2(); |
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575 ConstantPool* constants = method()->constants(); |
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576 Symbol* name = constants->klass_name_at(i); |
0 | 577 st->print_cr(" %d <%s>", i, name->as_C_string()); |
578 } | |
579 break; | |
580 | |
581 case Bytecodes::_wide: | |
582 // length is zero not one, but printed with no more info. | |
583 break; | |
584 | |
585 default: | |
586 ShouldNotReachHere(); | |
587 break; | |
588 } | |
589 } | |
590 | |
591 | |
592 void BytecodePrinter::bytecode_epilog(int bci, outputStream* st) { | |
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593 MethodData* mdo = method()->method_data(); |
0 | 594 if (mdo != NULL) { |
595 ProfileData* data = mdo->bci_to_data(bci); | |
596 if (data != NULL) { | |
597 st->print(" %d", mdo->dp_to_di(data->dp())); | |
598 st->fill_to(6); | |
599 data->print_data_on(st); | |
600 } | |
601 } | |
602 } | |
603 #endif // PRODUCT |