Mercurial > hg > truffle
annotate src/share/vm/compiler/compilerOracle.cpp @ 1293:51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
Summary: A modified MethodHandlesTest revealed two bugs on x86_64.
Reviewed-by: never, jrose
author | twisti |
---|---|
date | Mon, 08 Mar 2010 04:46:30 -0800 |
parents | 4e6abf09f540 |
children | c18cbe5936b8 |
rev | line source |
---|---|
0 | 1 /* |
2 * Copyright 1998-2007 Sun Microsystems, Inc. All Rights Reserved. | |
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 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_compilerOracle.cpp.incl" | |
27 | |
28 class MethodMatcher : public CHeapObj { | |
29 public: | |
30 enum Mode { | |
31 Exact, | |
32 Prefix = 1, | |
33 Suffix = 2, | |
34 Substring = Prefix | Suffix, | |
35 Any, | |
36 Unknown = -1 | |
37 }; | |
38 | |
39 protected: | |
40 jobject _class_name; | |
41 Mode _class_mode; | |
42 jobject _method_name; | |
43 Mode _method_mode; | |
44 jobject _signature; | |
45 MethodMatcher* _next; | |
46 | |
47 static bool match(symbolHandle candidate, symbolHandle match, Mode match_mode); | |
48 | |
49 symbolHandle class_name() const { return (symbolOop)JNIHandles::resolve_non_null(_class_name); } | |
50 symbolHandle method_name() const { return (symbolOop)JNIHandles::resolve_non_null(_method_name); } | |
51 symbolHandle signature() const { return (symbolOop)JNIHandles::resolve(_signature); } | |
52 | |
53 public: | |
54 MethodMatcher(symbolHandle class_name, Mode class_mode, | |
55 symbolHandle method_name, Mode method_mode, | |
56 symbolHandle signature, MethodMatcher* next); | |
57 MethodMatcher(symbolHandle class_name, symbolHandle method_name, MethodMatcher* next); | |
58 | |
59 // utility method | |
60 MethodMatcher* find(methodHandle method) { | |
61 symbolHandle class_name = Klass::cast(method->method_holder())->name(); | |
62 symbolHandle method_name = method->name(); | |
63 for (MethodMatcher* current = this; current != NULL; current = current->_next) { | |
64 if (match(class_name, current->class_name(), current->_class_mode) && | |
65 match(method_name, current->method_name(), current->_method_mode) && | |
66 (current->signature().is_null() || current->signature()() == method->signature())) { | |
67 return current; | |
68 } | |
69 } | |
70 return NULL; | |
71 } | |
72 | |
73 bool match(methodHandle method) { | |
74 return find(method) != NULL; | |
75 } | |
76 | |
77 MethodMatcher* next() const { return _next; } | |
78 | |
79 static void print_symbol(symbolHandle h, Mode mode) { | |
80 ResourceMark rm; | |
81 | |
82 if (mode == Suffix || mode == Substring || mode == Any) { | |
83 tty->print("*"); | |
84 } | |
85 if (mode != Any) { | |
86 h()->print_symbol_on(tty); | |
87 } | |
88 if (mode == Prefix || mode == Substring) { | |
89 tty->print("*"); | |
90 } | |
91 } | |
92 | |
93 void print_base() { | |
94 print_symbol(class_name(), _class_mode); | |
95 tty->print("."); | |
96 print_symbol(method_name(), _method_mode); | |
97 if (!signature().is_null()) { | |
98 tty->print(" "); | |
99 signature()->print_symbol_on(tty); | |
100 } | |
101 } | |
102 | |
103 virtual void print() { | |
104 print_base(); | |
105 tty->cr(); | |
106 } | |
107 }; | |
108 | |
109 MethodMatcher::MethodMatcher(symbolHandle class_name, symbolHandle method_name, MethodMatcher* next) { | |
110 _class_name = JNIHandles::make_global(class_name); | |
111 _method_name = JNIHandles::make_global(method_name); | |
112 _next = next; | |
113 _class_mode = MethodMatcher::Exact; | |
114 _method_mode = MethodMatcher::Exact; | |
115 _signature = NULL; | |
116 } | |
117 | |
118 | |
119 MethodMatcher::MethodMatcher(symbolHandle class_name, Mode class_mode, | |
120 symbolHandle method_name, Mode method_mode, | |
121 symbolHandle signature, MethodMatcher* next): | |
122 _class_mode(class_mode) | |
123 , _method_mode(method_mode) | |
124 , _next(next) | |
125 , _class_name(JNIHandles::make_global(class_name())) | |
126 , _method_name(JNIHandles::make_global(method_name())) | |
127 , _signature(JNIHandles::make_global(signature())) { | |
128 } | |
129 | |
130 bool MethodMatcher::match(symbolHandle candidate, symbolHandle match, Mode match_mode) { | |
131 if (match_mode == Any) { | |
132 return true; | |
133 } | |
134 | |
135 if (match_mode == Exact) { | |
136 return candidate() == match(); | |
137 } | |
138 | |
139 ResourceMark rm; | |
140 const char * candidate_string = candidate->as_C_string(); | |
141 const char * match_string = match->as_C_string(); | |
142 | |
143 switch (match_mode) { | |
144 case Prefix: | |
145 return strstr(candidate_string, match_string) == candidate_string; | |
146 | |
147 case Suffix: { | |
148 size_t clen = strlen(candidate_string); | |
149 size_t mlen = strlen(match_string); | |
150 return clen >= mlen && strcmp(candidate_string + clen - mlen, match_string) == 0; | |
151 } | |
152 | |
153 case Substring: | |
154 return strstr(candidate_string, match_string) != NULL; | |
155 | |
156 default: | |
157 return false; | |
158 } | |
159 } | |
160 | |
161 | |
162 class MethodOptionMatcher: public MethodMatcher { | |
163 const char * option; | |
164 public: | |
165 MethodOptionMatcher(symbolHandle class_name, Mode class_mode, | |
166 symbolHandle method_name, Mode method_mode, | |
167 symbolHandle signature, const char * opt, MethodMatcher* next): | |
168 MethodMatcher(class_name, class_mode, method_name, method_mode, signature, next) { | |
169 option = opt; | |
170 } | |
171 | |
172 bool match(methodHandle method, const char* opt) { | |
173 MethodOptionMatcher* current = this; | |
174 while (current != NULL) { | |
175 current = (MethodOptionMatcher*)current->find(method); | |
176 if (current == NULL) { | |
177 return false; | |
178 } | |
179 if (strcmp(current->option, opt) == 0) { | |
180 return true; | |
181 } | |
182 current = current->next(); | |
183 } | |
184 return false; | |
185 } | |
186 | |
187 MethodOptionMatcher* next() { | |
188 return (MethodOptionMatcher*)_next; | |
189 } | |
190 | |
191 virtual void print() { | |
192 print_base(); | |
193 tty->print(" %s", option); | |
194 tty->cr(); | |
195 } | |
196 }; | |
197 | |
198 | |
199 | |
200 // this must parallel the command_names below | |
201 enum OracleCommand { | |
202 UnknownCommand = -1, | |
203 OracleFirstCommand = 0, | |
204 BreakCommand = OracleFirstCommand, | |
205 PrintCommand, | |
206 ExcludeCommand, | |
207 InlineCommand, | |
208 DontInlineCommand, | |
209 CompileOnlyCommand, | |
210 LogCommand, | |
211 OptionCommand, | |
212 QuietCommand, | |
213 HelpCommand, | |
214 OracleCommandCount | |
215 }; | |
216 | |
217 // this must parallel the enum OracleCommand | |
218 static const char * command_names[] = { | |
219 "break", | |
220 "print", | |
221 "exclude", | |
222 "inline", | |
223 "dontinline", | |
224 "compileonly", | |
225 "log", | |
226 "option", | |
227 "quiet", | |
228 "help" | |
229 }; | |
230 | |
231 static const char * command_name(OracleCommand command) { | |
232 if (command < OracleFirstCommand || command >= OracleCommandCount) { | |
233 return "unknown command"; | |
234 } | |
235 return command_names[command]; | |
236 } | |
237 | |
238 class MethodMatcher; | |
239 static MethodMatcher* lists[OracleCommandCount] = { 0, }; | |
240 | |
241 | |
242 static bool check_predicate(OracleCommand command, methodHandle method) { | |
243 return ((lists[command] != NULL) && | |
244 !method.is_null() && | |
245 lists[command]->match(method)); | |
246 } | |
247 | |
248 | |
249 static MethodMatcher* add_predicate(OracleCommand command, | |
250 symbolHandle class_name, MethodMatcher::Mode c_mode, | |
251 symbolHandle method_name, MethodMatcher::Mode m_mode, | |
252 symbolHandle signature) { | |
253 assert(command != OptionCommand, "must use add_option_string"); | |
254 if (command == LogCommand && !LogCompilation && lists[LogCommand] == NULL) | |
255 tty->print_cr("Warning: +LogCompilation must be enabled in order for individual methods to be logged."); | |
256 lists[command] = new MethodMatcher(class_name, c_mode, method_name, m_mode, signature, lists[command]); | |
257 return lists[command]; | |
258 } | |
259 | |
260 | |
261 | |
262 static MethodMatcher* add_option_string(symbolHandle class_name, MethodMatcher::Mode c_mode, | |
263 symbolHandle method_name, MethodMatcher::Mode m_mode, | |
264 symbolHandle signature, | |
265 const char* option) { | |
266 lists[OptionCommand] = new MethodOptionMatcher(class_name, c_mode, method_name, m_mode, | |
267 signature, option, lists[OptionCommand]); | |
268 return lists[OptionCommand]; | |
269 } | |
270 | |
271 | |
272 bool CompilerOracle::has_option_string(methodHandle method, const char* option) { | |
273 return lists[OptionCommand] != NULL && | |
274 ((MethodOptionMatcher*)lists[OptionCommand])->match(method, option); | |
275 } | |
276 | |
277 | |
278 bool CompilerOracle::should_exclude(methodHandle method, bool& quietly) { | |
279 quietly = true; | |
280 if (lists[ExcludeCommand] != NULL) { | |
281 if (lists[ExcludeCommand]->match(method)) { | |
282 quietly = _quiet; | |
283 return true; | |
284 } | |
285 } | |
286 | |
287 if (lists[CompileOnlyCommand] != NULL) { | |
288 return !lists[CompileOnlyCommand]->match(method); | |
289 } | |
290 return false; | |
291 } | |
292 | |
293 | |
294 bool CompilerOracle::should_inline(methodHandle method) { | |
295 return (check_predicate(InlineCommand, method)); | |
296 } | |
297 | |
298 | |
299 bool CompilerOracle::should_not_inline(methodHandle method) { | |
300 return (check_predicate(DontInlineCommand, method)); | |
301 } | |
302 | |
303 | |
304 bool CompilerOracle::should_print(methodHandle method) { | |
305 return (check_predicate(PrintCommand, method)); | |
306 } | |
307 | |
308 | |
309 bool CompilerOracle::should_log(methodHandle method) { | |
310 if (!LogCompilation) return false; | |
311 if (lists[LogCommand] == NULL) return true; // by default, log all | |
312 return (check_predicate(LogCommand, method)); | |
313 } | |
314 | |
315 | |
316 bool CompilerOracle::should_break_at(methodHandle method) { | |
317 return check_predicate(BreakCommand, method); | |
318 } | |
319 | |
320 | |
321 static OracleCommand parse_command_name(const char * line, int* bytes_read) { | |
322 assert(ARRAY_SIZE(command_names) == OracleCommandCount, | |
323 "command_names size mismatch"); | |
324 | |
325 *bytes_read = 0; | |
326 char command[32]; | |
327 int result = sscanf(line, "%32[a-z]%n", command, bytes_read); | |
328 for (uint i = 0; i < ARRAY_SIZE(command_names); i++) { | |
329 if (strcmp(command, command_names[i]) == 0) { | |
330 return (OracleCommand)i; | |
331 } | |
332 } | |
333 return UnknownCommand; | |
334 } | |
335 | |
336 | |
337 static void usage() { | |
338 tty->print_cr(" CompileCommand and the CompilerOracle allows simple control over"); | |
339 tty->print_cr(" what's allowed to be compiled. The standard supported directives"); | |
340 tty->print_cr(" are exclude and compileonly. The exclude directive stops a method"); | |
341 tty->print_cr(" from being compiled and compileonly excludes all methods except for"); | |
342 tty->print_cr(" the ones mentioned by compileonly directives. The basic form of"); | |
343 tty->print_cr(" all commands is a command name followed by the name of the method"); | |
344 tty->print_cr(" in one of two forms: the standard class file format as in"); | |
345 tty->print_cr(" class/name.methodName or the PrintCompilation format"); | |
346 tty->print_cr(" class.name::methodName. The method name can optionally be followed"); | |
347 tty->print_cr(" by a space then the signature of the method in the class file"); | |
348 tty->print_cr(" format. Otherwise the directive applies to all methods with the"); | |
349 tty->print_cr(" same name and class regardless of signature. Leading and trailing"); | |
350 tty->print_cr(" *'s in the class and/or method name allows a small amount of"); | |
351 tty->print_cr(" wildcarding. "); | |
352 tty->cr(); | |
353 tty->print_cr(" Examples:"); | |
354 tty->cr(); | |
355 tty->print_cr(" exclude java/lang/StringBuffer.append"); | |
356 tty->print_cr(" compileonly java/lang/StringBuffer.toString ()Ljava/lang/String;"); | |
357 tty->print_cr(" exclude java/lang/String*.*"); | |
358 tty->print_cr(" exclude *.toString"); | |
359 } | |
360 | |
361 | |
362 // The characters allowed in a class or method name. All characters > 0x7f | |
363 // are allowed in order to handle obfuscated class files (e.g. Volano) | |
364 #define RANGEBASE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$_<>" \ | |
365 "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" \ | |
366 "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" \ | |
367 "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" \ | |
368 "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" \ | |
369 "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" \ | |
370 "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" \ | |
371 "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" \ | |
372 "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff" | |
373 | |
374 #define RANGE0 "[*" RANGEBASE "]" | |
375 #define RANGEDOT "[*" RANGEBASE ".]" | |
376 #define RANGESLASH "[*" RANGEBASE "/]" | |
377 | |
378 | |
379 // Accept several syntaxes for these patterns | |
380 // original syntax | |
381 // cmd java.lang.String foo | |
382 // PrintCompilation syntax | |
383 // cmd java.lang.String::foo | |
384 // VM syntax | |
385 // cmd java/lang/String[. ]foo | |
386 // | |
387 | |
388 static const char* patterns[] = { | |
389 "%*[ \t]%255" RANGEDOT " " "%255" RANGE0 "%n", | |
390 "%*[ \t]%255" RANGEDOT "::" "%255" RANGE0 "%n", | |
391 "%*[ \t]%255" RANGESLASH "%*[ .]" "%255" RANGE0 "%n", | |
392 }; | |
393 | |
394 static MethodMatcher::Mode check_mode(char name[], const char*& error_msg) { | |
395 int match = MethodMatcher::Exact; | |
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4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
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396 while (name[0] == '*') { |
0 | 397 match |= MethodMatcher::Suffix; |
398 strcpy(name, name + 1); | |
399 } | |
400 | |
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401 if (strcmp(name, "*") == 0) return MethodMatcher::Any; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
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402 |
0 | 403 size_t len = strlen(name); |
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404 while (len > 0 && name[len - 1] == '*') { |
0 | 405 match |= MethodMatcher::Prefix; |
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406 name[--len] = '\0'; |
0 | 407 } |
408 | |
409 if (strstr(name, "*") != NULL) { | |
410 error_msg = " Embedded * not allowed"; | |
411 return MethodMatcher::Unknown; | |
412 } | |
413 return (MethodMatcher::Mode)match; | |
414 } | |
415 | |
416 static bool scan_line(const char * line, | |
417 char class_name[], MethodMatcher::Mode* c_mode, | |
418 char method_name[], MethodMatcher::Mode* m_mode, | |
419 int* bytes_read, const char*& error_msg) { | |
420 *bytes_read = 0; | |
421 error_msg = NULL; | |
422 for (uint i = 0; i < ARRAY_SIZE(patterns); i++) { | |
423 if (2 == sscanf(line, patterns[i], class_name, method_name, bytes_read)) { | |
424 *c_mode = check_mode(class_name, error_msg); | |
425 *m_mode = check_mode(method_name, error_msg); | |
426 return *c_mode != MethodMatcher::Unknown && *m_mode != MethodMatcher::Unknown; | |
427 } | |
428 } | |
429 return false; | |
430 } | |
431 | |
432 | |
433 | |
434 void CompilerOracle::parse_from_line(char* line) { | |
435 if (line[0] == '\0') return; | |
436 if (line[0] == '#') return; | |
437 | |
438 bool have_colon = (strstr(line, "::") != NULL); | |
439 for (char* lp = line; *lp != '\0'; lp++) { | |
440 // Allow '.' to separate the class name from the method name. | |
441 // This is the preferred spelling of methods: | |
442 // exclude java/lang/String.indexOf(I)I | |
443 // Allow ',' for spaces (eases command line quoting). | |
444 // exclude,java/lang/String.indexOf | |
445 // For backward compatibility, allow space as separator also. | |
446 // exclude java/lang/String indexOf | |
447 // exclude,java/lang/String,indexOf | |
448 // For easy cut-and-paste of method names, allow VM output format | |
449 // as produced by methodOopDesc::print_short_name: | |
450 // exclude java.lang.String::indexOf | |
451 // For simple implementation convenience here, convert them all to space. | |
452 if (have_colon) { | |
453 if (*lp == '.') *lp = '/'; // dots build the package prefix | |
454 if (*lp == ':') *lp = ' '; | |
455 } | |
456 if (*lp == ',' || *lp == '.') *lp = ' '; | |
457 } | |
458 | |
459 char* original_line = line; | |
460 int bytes_read; | |
461 OracleCommand command = parse_command_name(line, &bytes_read); | |
462 line += bytes_read; | |
463 | |
464 if (command == QuietCommand) { | |
465 _quiet = true; | |
466 return; | |
467 } | |
468 | |
469 if (command == HelpCommand) { | |
470 usage(); | |
471 return; | |
472 } | |
473 | |
474 MethodMatcher::Mode c_match = MethodMatcher::Exact; | |
475 MethodMatcher::Mode m_match = MethodMatcher::Exact; | |
476 char class_name[256]; | |
477 char method_name[256]; | |
478 char sig[1024]; | |
479 char errorbuf[1024]; | |
480 const char* error_msg = NULL; | |
481 MethodMatcher* match = NULL; | |
482 | |
483 if (scan_line(line, class_name, &c_match, method_name, &m_match, &bytes_read, error_msg)) { | |
484 EXCEPTION_MARK; | |
485 symbolHandle c_name = oopFactory::new_symbol_handle(class_name, CHECK); | |
486 symbolHandle m_name = oopFactory::new_symbol_handle(method_name, CHECK); | |
487 symbolHandle signature; | |
488 | |
489 line += bytes_read; | |
490 // there might be a signature following the method. | |
491 // signatures always begin with ( so match that by hand | |
492 if (1 == sscanf(line, "%*[ \t](%254[);/" RANGEBASE "]%n", sig + 1, &bytes_read)) { | |
493 sig[0] = '('; | |
494 line += bytes_read; | |
495 signature = oopFactory::new_symbol_handle(sig, CHECK); | |
496 } | |
497 | |
498 if (command == OptionCommand) { | |
499 // Look for trailing options to support | |
500 // ciMethod::has_option("string") to control features in the | |
501 // compiler. Multiple options may follow the method name. | |
502 char option[256]; | |
503 while (sscanf(line, "%*[ \t]%255[a-zA-Z0-9]%n", option, &bytes_read) == 1) { | |
504 if (match != NULL && !_quiet) { | |
505 // Print out the last match added | |
506 tty->print("CompilerOracle: %s ", command_names[command]); | |
507 match->print(); | |
508 } | |
509 match = add_option_string(c_name, c_match, m_name, m_match, signature, strdup(option)); | |
510 line += bytes_read; | |
511 } | |
512 } else { | |
513 bytes_read = 0; | |
514 sscanf(line, "%*[ \t]%n", &bytes_read); | |
515 if (line[bytes_read] != '\0') { | |
516 jio_snprintf(errorbuf, sizeof(errorbuf), " Unrecognized text after command: %s", line); | |
517 error_msg = errorbuf; | |
518 } else { | |
519 match = add_predicate(command, c_name, c_match, m_name, m_match, signature); | |
520 } | |
521 } | |
522 } | |
523 | |
524 if (match != NULL) { | |
525 if (!_quiet) { | |
526 tty->print("CompilerOracle: %s ", command_names[command]); | |
527 match->print(); | |
528 } | |
529 } else { | |
530 tty->print_cr("CompilerOracle: unrecognized line"); | |
531 tty->print_cr(" \"%s\"", original_line); | |
532 if (error_msg != NULL) { | |
533 tty->print_cr(error_msg); | |
534 } | |
535 } | |
536 } | |
537 | |
538 static const char* cc_file() { | |
539 if (CompileCommandFile == NULL) | |
540 return ".hotspot_compiler"; | |
541 return CompileCommandFile; | |
542 } | |
543 bool CompilerOracle::_quiet = false; | |
544 | |
545 void CompilerOracle::parse_from_file() { | |
546 FILE* stream = fopen(cc_file(), "rt"); | |
547 if (stream == NULL) return; | |
548 | |
549 char token[1024]; | |
550 int pos = 0; | |
551 int c = getc(stream); | |
552 while(c != EOF) { | |
553 if (c == '\n') { | |
554 token[pos++] = '\0'; | |
555 parse_from_line(token); | |
556 pos = 0; | |
557 } else { | |
558 token[pos++] = c; | |
559 } | |
560 c = getc(stream); | |
561 } | |
562 token[pos++] = '\0'; | |
563 parse_from_line(token); | |
564 | |
565 fclose(stream); | |
566 } | |
567 | |
568 void CompilerOracle::parse_from_string(const char* str, void (*parse_line)(char*)) { | |
569 char token[1024]; | |
570 int pos = 0; | |
571 const char* sp = str; | |
572 int c = *sp++; | |
573 while (c != '\0') { | |
574 if (c == '\n') { | |
575 token[pos++] = '\0'; | |
576 parse_line(token); | |
577 pos = 0; | |
578 } else { | |
579 token[pos++] = c; | |
580 } | |
581 c = *sp++; | |
582 } | |
583 token[pos++] = '\0'; | |
584 parse_line(token); | |
585 } | |
586 | |
587 void CompilerOracle::append_comment_to_file(const char* message) { | |
588 fileStream stream(fopen(cc_file(), "at")); | |
589 stream.print("# "); | |
590 for (int index = 0; message[index] != '\0'; index++) { | |
591 stream.put(message[index]); | |
592 if (message[index] == '\n') stream.print("# "); | |
593 } | |
594 stream.cr(); | |
595 } | |
596 | |
597 void CompilerOracle::append_exclude_to_file(methodHandle method) { | |
598 fileStream stream(fopen(cc_file(), "at")); | |
599 stream.print("exclude "); | |
600 Klass::cast(method->method_holder())->name()->print_symbol_on(&stream); | |
601 stream.print("."); | |
602 method->name()->print_symbol_on(&stream); | |
603 method->signature()->print_symbol_on(&stream); | |
604 stream.cr(); | |
605 stream.cr(); | |
606 } | |
607 | |
608 | |
609 void compilerOracle_init() { | |
610 CompilerOracle::parse_from_string(CompileCommand, CompilerOracle::parse_from_line); | |
611 CompilerOracle::parse_from_string(CompileOnly, CompilerOracle::parse_compile_only); | |
612 CompilerOracle::parse_from_file(); | |
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613 if (lists[PrintCommand] != NULL) { |
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614 if (PrintAssembly) { |
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615 warning("CompileCommand and/or .hotspot_compiler file contains 'print' commands, but PrintAssembly is also enabled"); |
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616 } else if (FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
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617 warning("printing of assembly code is enabled; turning on DebugNonSafepoints to gain additional output"); |
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618 DebugNonSafepoints = true; |
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619 } |
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620 } |
0 | 621 } |
622 | |
623 | |
624 void CompilerOracle::parse_compile_only(char * line) { | |
625 int i; | |
626 char name[1024]; | |
627 const char* className = NULL; | |
628 const char* methodName = NULL; | |
629 | |
630 bool have_colon = (strstr(line, "::") != NULL); | |
631 char method_sep = have_colon ? ':' : '.'; | |
632 | |
633 if (Verbose) { | |
634 tty->print_cr(line); | |
635 } | |
636 | |
637 ResourceMark rm; | |
638 while (*line != '\0') { | |
639 MethodMatcher::Mode c_match = MethodMatcher::Exact; | |
640 MethodMatcher::Mode m_match = MethodMatcher::Exact; | |
641 | |
642 for (i = 0; | |
643 i < 1024 && *line != '\0' && *line != method_sep && *line != ',' && !isspace(*line); | |
644 line++, i++) { | |
645 name[i] = *line; | |
646 if (name[i] == '.') name[i] = '/'; // package prefix uses '/' | |
647 } | |
648 | |
649 if (i > 0) { | |
650 char* newName = NEW_RESOURCE_ARRAY( char, i + 1); | |
651 if (newName == NULL) | |
652 return; | |
653 strncpy(newName, name, i); | |
654 newName[i] = '\0'; | |
655 | |
656 if (className == NULL) { | |
657 className = newName; | |
658 c_match = MethodMatcher::Prefix; | |
659 } else { | |
660 methodName = newName; | |
661 } | |
662 } | |
663 | |
664 if (*line == method_sep) { | |
665 if (className == NULL) { | |
666 className = ""; | |
667 c_match = MethodMatcher::Any; | |
668 } else { | |
669 // foo/bar.blah is an exact match on foo/bar, bar.blah is a suffix match on bar | |
670 if (strchr(className, '/') != NULL) { | |
671 c_match = MethodMatcher::Exact; | |
672 } else { | |
673 c_match = MethodMatcher::Suffix; | |
674 } | |
675 } | |
676 } else { | |
677 // got foo or foo/bar | |
678 if (className == NULL) { | |
679 ShouldNotReachHere(); | |
680 } else { | |
681 // got foo or foo/bar | |
682 if (strchr(className, '/') != NULL) { | |
683 c_match = MethodMatcher::Prefix; | |
684 } else if (className[0] == '\0') { | |
685 c_match = MethodMatcher::Any; | |
686 } else { | |
687 c_match = MethodMatcher::Substring; | |
688 } | |
689 } | |
690 } | |
691 | |
692 // each directive is terminated by , or NUL or . followed by NUL | |
693 if (*line == ',' || *line == '\0' || (line[0] == '.' && line[1] == '\0')) { | |
694 if (methodName == NULL) { | |
695 methodName = ""; | |
696 if (*line != method_sep) { | |
697 m_match = MethodMatcher::Any; | |
698 } | |
699 } | |
700 | |
701 EXCEPTION_MARK; | |
702 symbolHandle c_name = oopFactory::new_symbol_handle(className, CHECK); | |
703 symbolHandle m_name = oopFactory::new_symbol_handle(methodName, CHECK); | |
704 symbolHandle signature; | |
705 | |
706 add_predicate(CompileOnlyCommand, c_name, c_match, m_name, m_match, signature); | |
707 if (PrintVMOptions) { | |
708 tty->print("CompileOnly: compileonly "); | |
709 lists[CompileOnlyCommand]->print(); | |
710 } | |
711 | |
712 className = NULL; | |
713 methodName = NULL; | |
714 } | |
715 | |
716 line = *line == '\0' ? line : line + 1; | |
717 } | |
718 } |