Mercurial > hg > graal-compiler
annotate src/share/vm/utilities/xmlstream.cpp @ 1867:b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
Summary: min_stack_allowed is a compile time constant and Stack*Pages are settable
Reviewed-by: dholmes, kvn
author | coleenp |
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date | Thu, 07 Oct 2010 08:06:06 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2002, 2007, 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 |
c18cbe5936b8
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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 #include "incls/_xmlstream.cpp.incl" | |
27 | |
28 void xmlStream::initialize(outputStream* out) { | |
29 _out = out; | |
30 _last_flush = 0; | |
31 _markup_state = BODY; | |
32 _text_init._outer_xmlStream = this; | |
33 _text = &_text_init; | |
34 | |
35 #ifdef ASSERT | |
36 _element_depth = 0; | |
37 int init_len = 100; | |
38 char* init_buf = NEW_C_HEAP_ARRAY(char, init_len); | |
39 _element_close_stack_low = init_buf; | |
40 _element_close_stack_high = init_buf + init_len; | |
41 _element_close_stack_ptr = init_buf + init_len - 1; | |
42 _element_close_stack_ptr[0] = '\0'; | |
43 #endif | |
44 | |
45 // Make sure each log uses the same base for time stamps. | |
46 if (is_open()) { | |
47 _out->time_stamp().update_to(1); | |
48 } | |
49 } | |
50 | |
51 #ifdef ASSERT | |
52 xmlStream::~xmlStream() { | |
53 FREE_C_HEAP_ARRAY(char, _element_close_stack_low); | |
54 } | |
55 #endif | |
56 | |
57 // Pass the given chars directly to _out. | |
58 void xmlStream::write(const char* s, size_t len) { | |
59 if (!is_open()) return; | |
60 | |
61 out()->write(s, len); | |
222 | 62 update_position(s, len); |
0 | 63 } |
64 | |
65 | |
66 // Pass the given chars directly to _out, except that | |
67 // we watch for special "<&>" chars. | |
68 // This is suitable for either attribute text or for body text. | |
69 // We don't fool with "<![CDATA[" quotes, just single-character entities. | |
70 // This makes it easier for dumb tools to parse the output. | |
71 void xmlStream::write_text(const char* s, size_t len) { | |
72 if (!is_open()) return; | |
73 | |
74 size_t written = 0; | |
75 // All normally printed material goes inside XML quotes. | |
76 // This leaves the output free to include markup also. | |
77 // Scan the string looking for inadvertant "<&>" chars | |
78 for (size_t i = 0; i < len; i++) { | |
79 char ch = s[i]; | |
80 // Escape special chars. | |
81 const char* esc = NULL; | |
82 switch (ch) { | |
83 // These are important only in attrs, but we do them always: | |
84 case '\'': esc = "'"; break; | |
85 case '"': esc = """; break; | |
86 case '<': esc = "<"; break; | |
87 case '&': esc = "&"; break; | |
88 // This is a freebie. | |
89 case '>': esc = ">"; break; | |
90 } | |
91 if (esc != NULL) { | |
92 if (written < i) { | |
93 out()->write(&s[written], i - written); | |
94 written = i; | |
95 } | |
96 out()->print_raw(esc); | |
97 written++; | |
98 } | |
99 } | |
100 | |
101 // Print the clean remainder. Usually, it is all of s. | |
102 if (written < len) { | |
103 out()->write(&s[written], len - written); | |
104 } | |
105 } | |
106 | |
107 // ------------------------------------------------------------------ | |
108 // Outputs XML text, with special characters quoted. | |
109 void xmlStream::text(const char* format, ...) { | |
110 va_list ap; | |
111 va_start(ap, format); | |
112 va_text(format, ap); | |
113 va_end(ap); | |
114 } | |
115 | |
116 #define BUFLEN 2*K /* max size of output of individual print methods */ | |
117 | |
118 // ------------------------------------------------------------------ | |
119 void xmlStream::va_tag(bool push, const char* format, va_list ap) { | |
120 assert_if_no_error(!inside_attrs(), "cannot print tag inside attrs"); | |
121 char buffer[BUFLEN]; | |
122 size_t len; | |
123 const char* kind = do_vsnprintf(buffer, BUFLEN, format, ap, false, len); | |
124 see_tag(kind, push); | |
125 print_raw("<"); | |
126 write(kind, len); | |
127 _markup_state = (push ? HEAD : ELEM); | |
128 } | |
129 | |
130 #ifdef ASSERT | |
131 /// Debugging goo to make sure element tags nest properly. | |
132 | |
133 // ------------------------------------------------------------------ | |
134 void xmlStream::see_tag(const char* tag, bool push) { | |
135 assert_if_no_error(!inside_attrs(), "cannot start new element inside attrs"); | |
136 if (!push) return; | |
137 | |
138 // tag goes up until either null or space: | |
139 const char* tag_end = strchr(tag, ' '); | |
140 size_t tag_len = (tag_end == NULL) ? strlen(tag) : tag_end - tag; | |
141 assert(tag_len > 0, "tag must not be empty"); | |
142 // push the tag onto the stack, pulling down the pointer | |
143 char* old_ptr = _element_close_stack_ptr; | |
144 char* old_low = _element_close_stack_low; | |
145 char* push_ptr = old_ptr - (tag_len+1); | |
146 if (push_ptr < old_low) { | |
147 int old_len = _element_close_stack_high - old_ptr; | |
148 int new_len = old_len * 2; | |
149 if (new_len < 100) new_len = 100; | |
150 char* new_low = NEW_C_HEAP_ARRAY(char, new_len); | |
151 char* new_high = new_low + new_len; | |
152 char* new_ptr = new_high - old_len; | |
153 memcpy(new_ptr, old_ptr, old_len); | |
154 _element_close_stack_high = new_high; | |
155 _element_close_stack_low = new_low; | |
156 _element_close_stack_ptr = new_ptr; | |
157 FREE_C_HEAP_ARRAY(char, old_low); | |
158 push_ptr = new_ptr - (tag_len+1); | |
159 } | |
160 assert(push_ptr >= _element_close_stack_low, "in range"); | |
161 memcpy(push_ptr, tag, tag_len); | |
162 push_ptr[tag_len] = 0; | |
163 _element_close_stack_ptr = push_ptr; | |
164 _element_depth += 1; | |
165 } | |
166 | |
167 // ------------------------------------------------------------------ | |
168 void xmlStream::pop_tag(const char* tag) { | |
169 assert_if_no_error(!inside_attrs(), "cannot close element inside attrs"); | |
170 assert(_element_depth > 0, "must be in an element to close"); | |
171 assert(*tag != 0, "tag must not be empty"); | |
172 char* cur_tag = _element_close_stack_ptr; | |
173 bool bad_tag = false; | |
174 while (*cur_tag != 0 && strcmp(cur_tag, tag) != 0) { | |
175 this->print_cr("</%s> <!-- missing closing tag -->", cur_tag); | |
176 _element_close_stack_ptr = (cur_tag += strlen(cur_tag) + 1); | |
177 _element_depth -= 1; | |
178 bad_tag = true; | |
179 } | |
180 if (*cur_tag == 0) { | |
181 bad_tag = true; | |
182 } else { | |
183 // Pop the stack, by skipping over the tag and its null. | |
184 _element_close_stack_ptr = cur_tag + strlen(cur_tag) + 1; | |
185 _element_depth -= 1; | |
186 } | |
187 if (bad_tag && !VMThread::should_terminate() && !is_error_reported()) | |
188 assert(false, "bad tag in log"); | |
189 } | |
190 #endif | |
191 | |
192 | |
193 // ------------------------------------------------------------------ | |
194 // First word in formatted string is element kind, and any subsequent | |
195 // words must be XML attributes. Outputs "<kind .../>". | |
196 void xmlStream::elem(const char* format, ...) { | |
197 va_list ap; | |
198 va_start(ap, format); | |
199 va_elem(format, ap); | |
200 va_end(ap); | |
201 } | |
202 | |
203 // ------------------------------------------------------------------ | |
204 void xmlStream::va_elem(const char* format, va_list ap) { | |
205 va_begin_elem(format, ap); | |
206 end_elem(); | |
207 } | |
208 | |
209 | |
210 // ------------------------------------------------------------------ | |
211 // First word in formatted string is element kind, and any subsequent | |
212 // words must be XML attributes. Outputs "<kind ...", not including "/>". | |
213 void xmlStream::begin_elem(const char* format, ...) { | |
214 va_list ap; | |
215 va_start(ap, format); | |
216 va_tag(false, format, ap); | |
217 va_end(ap); | |
218 } | |
219 | |
220 // ------------------------------------------------------------------ | |
221 void xmlStream::va_begin_elem(const char* format, va_list ap) { | |
222 va_tag(false, format, ap); | |
223 } | |
224 | |
225 // ------------------------------------------------------------------ | |
226 // Outputs "/>". | |
227 void xmlStream::end_elem() { | |
228 assert(_markup_state == ELEM, "misplaced end_elem"); | |
229 print_raw("/>\n"); | |
230 _markup_state = BODY; | |
231 } | |
232 | |
233 // ------------------------------------------------------------------ | |
234 // Outputs formatted text, followed by "/>". | |
235 void xmlStream::end_elem(const char* format, ...) { | |
236 va_list ap; | |
237 va_start(ap, format); | |
238 out()->vprint(format, ap); | |
239 va_end(ap); | |
240 end_elem(); | |
241 } | |
242 | |
243 | |
244 // ------------------------------------------------------------------ | |
245 // First word in formatted string is element kind, and any subsequent | |
246 // words must be XML attributes. Outputs "<kind ...>". | |
247 void xmlStream::head(const char* format, ...) { | |
248 va_list ap; | |
249 va_start(ap, format); | |
250 va_head(format, ap); | |
251 va_end(ap); | |
252 } | |
253 | |
254 // ------------------------------------------------------------------ | |
255 void xmlStream::va_head(const char* format, va_list ap) { | |
256 va_begin_head(format, ap); | |
257 end_head(); | |
258 } | |
259 | |
260 // ------------------------------------------------------------------ | |
261 // First word in formatted string is element kind, and any subsequent | |
262 // words must be XML attributes. Outputs "<kind ...", not including ">". | |
263 void xmlStream::begin_head(const char* format, ...) { | |
264 va_list ap; | |
265 va_start(ap, format); | |
266 va_tag(true, format, ap); | |
267 va_end(ap); | |
268 } | |
269 | |
270 // ------------------------------------------------------------------ | |
271 void xmlStream::va_begin_head(const char* format, va_list ap) { | |
272 va_tag(true, format, ap); | |
273 } | |
274 | |
275 // ------------------------------------------------------------------ | |
276 // Outputs ">". | |
277 void xmlStream::end_head() { | |
278 assert(_markup_state == HEAD, "misplaced end_head"); | |
279 print_raw(">\n"); | |
280 _markup_state = BODY; | |
281 } | |
282 | |
283 | |
284 // ------------------------------------------------------------------ | |
285 // Outputs formatted text, followed by ">". | |
286 void xmlStream::end_head(const char* format, ...) { | |
287 va_list ap; | |
288 va_start(ap, format); | |
289 out()->vprint(format, ap); | |
290 va_end(ap); | |
291 end_head(); | |
292 } | |
293 | |
294 | |
295 // ------------------------------------------------------------------ | |
296 // Outputs "</kind>". | |
297 void xmlStream::tail(const char* kind) { | |
298 pop_tag(kind); | |
299 print_raw("</"); | |
300 print_raw(kind); | |
301 print_raw(">\n"); | |
302 } | |
303 | |
304 // ------------------------------------------------------------------ | |
305 // Outputs "<kind_done ... stamp='D.DD'/> </kind>". | |
306 void xmlStream::done(const char* format, ...) { | |
307 va_list ap; | |
308 va_start(ap, format); | |
309 va_done(format, ap); | |
310 va_end(ap); | |
311 } | |
312 | |
313 // ------------------------------------------------------------------ | |
314 // Outputs "<kind_done stamp='D.DD'/> </kind>". | |
315 // Because done_raw() doesn't need to format strings, it's simpler than | |
316 // done(), and can be called safely by fatal error handler. | |
317 void xmlStream::done_raw(const char* kind) { | |
318 print_raw("<"); | |
319 print_raw(kind); | |
320 print_raw("_done stamp='"); | |
321 out()->stamp(); | |
322 print_raw_cr("'/>"); | |
323 print_raw("</"); | |
324 print_raw(kind); | |
325 print_raw_cr(">"); | |
326 } | |
327 | |
328 // ------------------------------------------------------------------ | |
329 void xmlStream::va_done(const char* format, va_list ap) { | |
330 char buffer[200]; | |
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331 guarantee(strlen(format) + 10 < sizeof(buffer), "bigger format buffer"); |
0 | 332 const char* kind = format; |
333 const char* kind_end = strchr(kind, ' '); | |
334 size_t kind_len = (kind_end != NULL) ? (kind_end - kind) : strlen(kind); | |
335 strncpy(buffer, kind, kind_len); | |
336 strcpy(buffer + kind_len, "_done"); | |
337 strcat(buffer, format + kind_len); | |
338 // Output the trailing event with the timestamp. | |
339 va_begin_elem(buffer, ap); | |
340 stamp(); | |
341 end_elem(); | |
342 // Output the tail-tag of the enclosing element. | |
343 buffer[kind_len] = 0; | |
344 tail(buffer); | |
345 } | |
346 | |
347 // Output a timestamp attribute. | |
348 void xmlStream::stamp() { | |
349 assert_if_no_error(inside_attrs(), "stamp must be an attribute"); | |
350 print_raw(" stamp='"); | |
351 out()->stamp(); | |
352 print_raw("'"); | |
353 } | |
354 | |
355 | |
356 // ------------------------------------------------------------------ | |
357 // Output a method attribute, in the form " method='pkg/cls name sig'". | |
358 // This is used only when there is no ciMethod available. | |
359 void xmlStream::method(methodHandle method) { | |
360 assert_if_no_error(inside_attrs(), "printing attributes"); | |
361 if (method.is_null()) return; | |
362 print_raw(" method='"); | |
363 method_text(method); | |
364 print("' bytes='%d'", method->code_size()); | |
365 print(" count='%d'", method->invocation_count()); | |
366 int bec = method->backedge_count(); | |
367 if (bec != 0) print(" backedge_count='%d'", bec); | |
368 print(" iicount='%d'", method->interpreter_invocation_count()); | |
369 int throwouts = method->interpreter_throwout_count(); | |
370 if (throwouts != 0) print(" throwouts='%d'", throwouts); | |
371 methodDataOop mdo = method->method_data(); | |
372 if (mdo != NULL) { | |
373 uint cnt; | |
374 cnt = mdo->decompile_count(); | |
375 if (cnt != 0) print(" decompiles='%d'", cnt); | |
376 for (uint reason = 0; reason < mdo->trap_reason_limit(); reason++) { | |
377 cnt = mdo->trap_count(reason); | |
378 if (cnt != 0) print(" %s_traps='%d'", Deoptimization::trap_reason_name(reason), cnt); | |
379 } | |
380 cnt = mdo->overflow_trap_count(); | |
381 if (cnt != 0) print(" overflow_traps='%d'", cnt); | |
382 cnt = mdo->overflow_recompile_count(); | |
383 if (cnt != 0) print(" overflow_recompiles='%d'", cnt); | |
384 } | |
385 } | |
386 | |
387 void xmlStream::method_text(methodHandle method) { | |
388 assert_if_no_error(inside_attrs(), "printing attributes"); | |
389 if (method.is_null()) return; | |
390 //method->print_short_name(text()); | |
391 method->method_holder()->klass_part()->name()->print_symbol_on(text()); | |
392 print_raw(" "); // " " is easier for tools to parse than "::" | |
393 method->name()->print_symbol_on(text()); | |
394 print_raw(" "); // separator | |
395 method->signature()->print_symbol_on(text()); | |
396 } | |
397 | |
398 | |
399 // ------------------------------------------------------------------ | |
400 // Output a klass attribute, in the form " klass='pkg/cls'". | |
401 // This is used only when there is no ciKlass available. | |
402 void xmlStream::klass(KlassHandle klass) { | |
403 assert_if_no_error(inside_attrs(), "printing attributes"); | |
404 if (klass.is_null()) return; | |
405 print_raw(" klass='"); | |
406 klass_text(klass); | |
407 print_raw("'"); | |
408 } | |
409 | |
410 void xmlStream::klass_text(KlassHandle klass) { | |
411 assert_if_no_error(inside_attrs(), "printing attributes"); | |
412 if (klass.is_null()) return; | |
413 //klass->print_short_name(log->out()); | |
414 klass->name()->print_symbol_on(out()); | |
415 } | |
416 | |
417 void xmlStream::name(symbolHandle name) { | |
418 assert_if_no_error(inside_attrs(), "printing attributes"); | |
419 if (name.is_null()) return; | |
420 print_raw(" name='"); | |
421 name_text(name); | |
422 print_raw("'"); | |
423 } | |
424 | |
425 void xmlStream::name_text(symbolHandle name) { | |
426 assert_if_no_error(inside_attrs(), "printing attributes"); | |
427 if (name.is_null()) return; | |
428 //name->print_short_name(text()); | |
429 name->print_symbol_on(text()); | |
430 } | |
431 | |
432 void xmlStream::object(const char* attr, Handle x) { | |
433 assert_if_no_error(inside_attrs(), "printing attributes"); | |
434 if (x.is_null()) return; | |
435 print_raw(" "); | |
436 print_raw(attr); | |
437 print_raw("='"); | |
438 object_text(x); | |
439 print_raw("'"); | |
440 } | |
441 | |
442 void xmlStream::object_text(Handle x) { | |
443 assert_if_no_error(inside_attrs(), "printing attributes"); | |
444 if (x.is_null()) return; | |
445 //x->print_value_on(text()); | |
446 if (x->is_method()) | |
447 method_text(methodOop(x())); | |
448 else if (x->is_klass()) | |
449 klass_text(klassOop(x())); | |
450 else if (x->is_symbol()) | |
451 name_text(symbolOop(x())); | |
452 else | |
453 x->print_value_on(text()); | |
454 } | |
455 | |
456 | |
457 void xmlStream::flush() { | |
458 out()->flush(); | |
459 _last_flush = count(); | |
460 } | |
461 | |
462 void xmlTextStream::flush() { | |
463 if (_outer_xmlStream == NULL) return; | |
464 _outer_xmlStream->flush(); | |
465 } | |
466 | |
467 void xmlTextStream::write(const char* str, size_t len) { | |
468 if (_outer_xmlStream == NULL) return; | |
469 _outer_xmlStream->write_text(str, len); | |
470 update_position(str, len); | |
471 } |