Mercurial > hg > graal-compiler
annotate src/share/vm/utilities/ostream.cpp @ 6605:4ee06e614636
7116786: RFE: Detailed information on VerifyErrors
Summary: Provide additional detail in VerifyError messages
Reviewed-by: sspitsyn, acorn
| author | kamg |
|---|---|
| date | Mon, 06 Aug 2012 15:54:45 -0400 |
| parents | d2a62e0f25eb |
| children | c38f13903fdf c3e799c37717 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 6605 | 2 * Copyright (c) 1997, 2012, 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/compileLog.hpp" | |
| 27 #include "oops/oop.inline.hpp" | |
| 28 #include "runtime/arguments.hpp" | |
| 29 #include "utilities/defaultStream.hpp" | |
| 30 #include "utilities/ostream.hpp" | |
| 31 #include "utilities/top.hpp" | |
| 32 #include "utilities/xmlstream.hpp" | |
| 33 #ifdef TARGET_OS_FAMILY_linux | |
| 34 # include "os_linux.inline.hpp" | |
| 35 #endif | |
| 36 #ifdef TARGET_OS_FAMILY_solaris | |
| 37 # include "os_solaris.inline.hpp" | |
| 38 #endif | |
| 39 #ifdef TARGET_OS_FAMILY_windows | |
| 40 # include "os_windows.inline.hpp" | |
| 41 #endif | |
| 3960 | 42 #ifdef TARGET_OS_FAMILY_bsd |
| 43 # include "os_bsd.inline.hpp" | |
| 44 #endif | |
| 0 | 45 |
| 46 extern "C" void jio_print(const char* s); // Declarationtion of jvm method | |
| 47 | |
| 48 outputStream::outputStream(int width) { | |
| 49 _width = width; | |
| 50 _position = 0; | |
| 51 _newlines = 0; | |
| 52 _precount = 0; | |
| 53 _indentation = 0; | |
| 54 } | |
| 55 | |
| 56 outputStream::outputStream(int width, bool has_time_stamps) { | |
| 57 _width = width; | |
| 58 _position = 0; | |
| 59 _newlines = 0; | |
| 60 _precount = 0; | |
| 61 _indentation = 0; | |
| 62 if (has_time_stamps) _stamp.update(); | |
| 63 } | |
| 64 | |
| 65 void outputStream::update_position(const char* s, size_t len) { | |
| 66 for (size_t i = 0; i < len; i++) { | |
| 67 char ch = s[i]; | |
| 68 if (ch == '\n') { | |
| 69 _newlines += 1; | |
| 70 _precount += _position + 1; | |
| 71 _position = 0; | |
| 72 } else if (ch == '\t') { | |
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73 int tw = 8 - (_position & 7); |
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74 _position += tw; |
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75 _precount -= tw-1; // invariant: _precount + _position == total count |
| 0 | 76 } else { |
| 77 _position += 1; | |
| 78 } | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 // Execute a vsprintf, using the given buffer if necessary. | |
| 83 // Return a pointer to the formatted string. | |
| 84 const char* outputStream::do_vsnprintf(char* buffer, size_t buflen, | |
| 85 const char* format, va_list ap, | |
| 86 bool add_cr, | |
| 87 size_t& result_len) { | |
| 88 const char* result; | |
| 89 if (add_cr) buflen--; | |
| 90 if (!strchr(format, '%')) { | |
| 91 // constant format string | |
| 92 result = format; | |
| 93 result_len = strlen(result); | |
| 94 if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate | |
| 95 } else if (format[0] == '%' && format[1] == 's' && format[2] == '\0') { | |
| 96 // trivial copy-through format string | |
| 97 result = va_arg(ap, const char*); | |
| 98 result_len = strlen(result); | |
| 99 if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate | |
| 100 } else if (vsnprintf(buffer, buflen, format, ap) >= 0) { | |
| 101 result = buffer; | |
| 102 result_len = strlen(result); | |
| 103 } else { | |
| 104 DEBUG_ONLY(warning("increase O_BUFLEN in ostream.hpp -- output truncated");) | |
| 105 result = buffer; | |
| 106 result_len = buflen - 1; | |
| 107 buffer[result_len] = 0; | |
| 108 } | |
| 109 if (add_cr) { | |
| 110 if (result != buffer) { | |
| 111 strncpy(buffer, result, buflen); | |
| 112 result = buffer; | |
| 113 } | |
| 114 buffer[result_len++] = '\n'; | |
| 115 buffer[result_len] = 0; | |
| 116 } | |
| 117 return result; | |
| 118 } | |
| 119 | |
| 120 void outputStream::print(const char* format, ...) { | |
| 121 char buffer[O_BUFLEN]; | |
| 122 va_list ap; | |
| 123 va_start(ap, format); | |
| 124 size_t len; | |
| 125 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, false, len); | |
| 126 write(str, len); | |
| 127 va_end(ap); | |
| 128 } | |
| 129 | |
| 130 void outputStream::print_cr(const char* format, ...) { | |
| 131 char buffer[O_BUFLEN]; | |
| 132 va_list ap; | |
| 133 va_start(ap, format); | |
| 134 size_t len; | |
| 135 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, true, len); | |
| 136 write(str, len); | |
| 137 va_end(ap); | |
| 138 } | |
| 139 | |
| 140 void outputStream::vprint(const char *format, va_list argptr) { | |
| 141 char buffer[O_BUFLEN]; | |
| 142 size_t len; | |
| 143 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, false, len); | |
| 144 write(str, len); | |
| 145 } | |
| 146 | |
| 147 void outputStream::vprint_cr(const char* format, va_list argptr) { | |
| 148 char buffer[O_BUFLEN]; | |
| 149 size_t len; | |
| 150 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, true, len); | |
| 151 write(str, len); | |
| 152 } | |
| 153 | |
| 154 void outputStream::fill_to(int col) { | |
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155 int need_fill = col - position(); |
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156 sp(need_fill); |
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157 } |
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158 |
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159 void outputStream::move_to(int col, int slop, int min_space) { |
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160 if (position() >= col + slop) |
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161 cr(); |
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162 int need_fill = col - position(); |
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163 if (need_fill < min_space) |
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164 need_fill = min_space; |
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165 sp(need_fill); |
| 0 | 166 } |
| 167 | |
| 168 void outputStream::put(char ch) { | |
| 169 assert(ch != 0, "please fix call site"); | |
| 170 char buf[] = { ch, '\0' }; | |
| 171 write(buf, 1); | |
| 172 } | |
| 173 | |
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174 #define SP_USE_TABS false |
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175 |
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176 void outputStream::sp(int count) { |
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177 if (count < 0) return; |
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178 if (SP_USE_TABS && count >= 8) { |
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179 int target = position() + count; |
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180 while (count >= 8) { |
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181 this->write("\t", 1); |
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182 count -= 8; |
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183 } |
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184 count = target - position(); |
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185 } |
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186 while (count > 0) { |
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187 int nw = (count > 8) ? 8 : count; |
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188 this->write(" ", nw); |
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189 count -= nw; |
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190 } |
| 0 | 191 } |
| 192 | |
| 193 void outputStream::cr() { | |
| 194 this->write("\n", 1); | |
| 195 } | |
| 196 | |
| 197 void outputStream::stamp() { | |
| 198 if (! _stamp.is_updated()) { | |
| 199 _stamp.update(); // start at 0 on first call to stamp() | |
| 200 } | |
| 201 | |
| 202 // outputStream::stamp() may get called by ostream_abort(), use snprintf | |
| 203 // to avoid allocating large stack buffer in print(). | |
| 204 char buf[40]; | |
| 205 jio_snprintf(buf, sizeof(buf), "%.3f", _stamp.seconds()); | |
| 206 print_raw(buf); | |
| 207 } | |
| 208 | |
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209 void outputStream::stamp(bool guard, |
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210 const char* prefix, |
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211 const char* suffix) { |
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212 if (!guard) { |
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213 return; |
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214 } |
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215 print_raw(prefix); |
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216 stamp(); |
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217 print_raw(suffix); |
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218 } |
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219 |
| 0 | 220 void outputStream::date_stamp(bool guard, |
| 221 const char* prefix, | |
| 222 const char* suffix) { | |
| 223 if (!guard) { | |
| 224 return; | |
| 225 } | |
| 226 print_raw(prefix); | |
| 227 static const char error_time[] = "yyyy-mm-ddThh:mm:ss.mmm+zzzz"; | |
| 228 static const int buffer_length = 32; | |
| 229 char buffer[buffer_length]; | |
| 230 const char* iso8601_result = os::iso8601_time(buffer, buffer_length); | |
| 231 if (iso8601_result != NULL) { | |
| 232 print_raw(buffer); | |
| 233 } else { | |
| 234 print_raw(error_time); | |
| 235 } | |
| 236 print_raw(suffix); | |
| 237 return; | |
| 238 } | |
| 239 | |
| 6605 | 240 outputStream& outputStream::indent() { |
| 0 | 241 while (_position < _indentation) sp(); |
| 6605 | 242 return *this; |
| 0 | 243 } |
| 244 | |
| 245 void outputStream::print_jlong(jlong value) { | |
| 246 // N.B. Same as INT64_FORMAT | |
| 247 print(os::jlong_format_specifier(), value); | |
| 248 } | |
| 249 | |
| 250 void outputStream::print_julong(julong value) { | |
| 251 // N.B. Same as UINT64_FORMAT | |
| 252 print(os::julong_format_specifier(), value); | |
| 253 } | |
| 254 | |
| 6605 | 255 /** |
| 256 * This prints out hex data in a 'windbg' or 'xxd' form, where each line is: | |
| 257 * <hex-address>: 8 * <hex-halfword> <ascii translation (optional)> | |
| 258 * example: | |
| 259 * 0000000: 7f44 4f46 0102 0102 0000 0000 0000 0000 .DOF............ | |
| 260 * 0000010: 0000 0000 0000 0040 0000 0020 0000 0005 .......@... .... | |
| 261 * 0000020: 0000 0000 0000 0040 0000 0000 0000 015d .......@.......] | |
| 262 * ... | |
| 263 * | |
| 264 * indent is applied to each line. Ends with a CR. | |
| 265 */ | |
| 266 void outputStream::print_data(void* data, size_t len, bool with_ascii) { | |
| 267 size_t limit = (len + 16) / 16 * 16; | |
| 268 for (size_t i = 0; i < limit; ++i) { | |
| 269 if (i % 16 == 0) { | |
| 270 indent().print("%07x:", i); | |
| 271 } | |
| 272 if (i % 2 == 0) { | |
| 273 print(" "); | |
| 274 } | |
| 275 if (i < len) { | |
| 276 print("%02x", ((unsigned char*)data)[i]); | |
| 277 } else { | |
| 278 print(" "); | |
| 279 } | |
| 280 if ((i + 1) % 16 == 0) { | |
| 281 if (with_ascii) { | |
| 282 print(" "); | |
| 283 for (size_t j = 0; j < 16; ++j) { | |
| 284 size_t idx = i + j - 15; | |
| 285 if (idx < len) { | |
| 286 char c = ((char*)data)[idx]; | |
| 287 print("%c", c >= 32 && c <= 126 ? c : '.'); | |
| 288 } | |
| 289 } | |
| 290 } | |
| 291 print_cr(""); | |
| 292 } | |
| 293 } | |
| 294 } | |
| 295 | |
| 0 | 296 stringStream::stringStream(size_t initial_size) : outputStream() { |
| 297 buffer_length = initial_size; | |
| 298 buffer = NEW_RESOURCE_ARRAY(char, buffer_length); | |
| 299 buffer_pos = 0; | |
| 300 buffer_fixed = false; | |
| 301 } | |
| 302 | |
| 303 // useful for output to fixed chunks of memory, such as performance counters | |
| 304 stringStream::stringStream(char* fixed_buffer, size_t fixed_buffer_size) : outputStream() { | |
| 305 buffer_length = fixed_buffer_size; | |
| 306 buffer = fixed_buffer; | |
| 307 buffer_pos = 0; | |
| 308 buffer_fixed = true; | |
| 309 } | |
| 310 | |
| 311 void stringStream::write(const char* s, size_t len) { | |
| 312 size_t write_len = len; // number of non-null bytes to write | |
| 313 size_t end = buffer_pos + len + 1; // position after write and final '\0' | |
| 314 if (end > buffer_length) { | |
| 315 if (buffer_fixed) { | |
| 316 // if buffer cannot resize, silently truncate | |
| 317 end = buffer_length; | |
| 318 write_len = end - buffer_pos - 1; // leave room for the final '\0' | |
| 319 } else { | |
| 320 // For small overruns, double the buffer. For larger ones, | |
| 321 // increase to the requested size. | |
| 322 if (end < buffer_length * 2) { | |
| 323 end = buffer_length * 2; | |
| 324 } | |
| 325 char* oldbuf = buffer; | |
| 326 buffer = NEW_RESOURCE_ARRAY(char, end); | |
| 327 strncpy(buffer, oldbuf, buffer_pos); | |
| 328 buffer_length = end; | |
| 329 } | |
| 330 } | |
| 331 // invariant: buffer is always null-terminated | |
| 332 guarantee(buffer_pos + write_len + 1 <= buffer_length, "stringStream oob"); | |
| 333 buffer[buffer_pos + write_len] = 0; | |
| 334 strncpy(buffer + buffer_pos, s, write_len); | |
| 335 buffer_pos += write_len; | |
| 336 | |
| 337 // Note that the following does not depend on write_len. | |
| 338 // This means that position and count get updated | |
| 339 // even when overflow occurs. | |
| 340 update_position(s, len); | |
| 341 } | |
| 342 | |
| 343 char* stringStream::as_string() { | |
| 344 char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos+1); | |
| 345 strncpy(copy, buffer, buffer_pos); | |
| 346 copy[buffer_pos] = 0; // terminating null | |
| 347 return copy; | |
| 348 } | |
| 349 | |
| 350 stringStream::~stringStream() {} | |
| 351 | |
| 352 xmlStream* xtty; | |
| 353 outputStream* tty; | |
| 354 outputStream* gclog_or_tty; | |
| 355 extern Mutex* tty_lock; | |
| 356 | |
| 357 fileStream::fileStream(const char* file_name) { | |
| 358 _file = fopen(file_name, "w"); | |
| 359 _need_close = true; | |
| 360 } | |
| 361 | |
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362 fileStream::fileStream(const char* file_name, const char* opentype) { |
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363 _file = fopen(file_name, opentype); |
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364 _need_close = true; |
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365 } |
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366 |
| 0 | 367 void fileStream::write(const char* s, size_t len) { |
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368 if (_file != NULL) { |
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369 // Make an unused local variable to avoid warning from gcc 4.x compiler. |
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370 size_t count = fwrite(s, 1, len, _file); |
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371 } |
| 0 | 372 update_position(s, len); |
| 373 } | |
| 374 | |
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375 long fileStream::fileSize() { |
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376 long size = -1; |
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377 if (_file != NULL) { |
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378 long pos = ::ftell(_file); |
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379 if (::fseek(_file, 0, SEEK_END) == 0) { |
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380 size = ::ftell(_file); |
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381 } |
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382 ::fseek(_file, pos, SEEK_SET); |
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383 } |
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384 return size; |
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385 } |
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386 |
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387 char* fileStream::readln(char *data, int count ) { |
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388 char * ret = ::fgets(data, count, _file); |
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389 //Get rid of annoying \n char |
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390 data[::strlen(data)-1] = '\0'; |
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391 return ret; |
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392 } |
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393 |
| 0 | 394 fileStream::~fileStream() { |
| 395 if (_file != NULL) { | |
| 396 if (_need_close) fclose(_file); | |
|
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397 _file = NULL; |
| 0 | 398 } |
| 399 } | |
| 400 | |
| 401 void fileStream::flush() { | |
| 402 fflush(_file); | |
| 403 } | |
| 404 | |
| 405 fdStream::fdStream(const char* file_name) { | |
| 406 _fd = open(file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
| 407 _need_close = true; | |
| 408 } | |
| 409 | |
| 410 fdStream::~fdStream() { | |
| 411 if (_fd != -1) { | |
| 412 if (_need_close) close(_fd); | |
| 413 _fd = -1; | |
| 414 } | |
| 415 } | |
| 416 | |
| 417 void fdStream::write(const char* s, size_t len) { | |
|
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418 if (_fd != -1) { |
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419 // Make an unused local variable to avoid warning from gcc 4.x compiler. |
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420 size_t count = ::write(_fd, s, (int)len); |
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421 } |
| 0 | 422 update_position(s, len); |
| 423 } | |
| 424 | |
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425 rotatingFileStream::~rotatingFileStream() { |
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426 if (_file != NULL) { |
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427 if (_need_close) fclose(_file); |
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428 _file = NULL; |
| 6197 | 429 FREE_C_HEAP_ARRAY(char, _file_name, mtInternal); |
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430 _file_name = NULL; |
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431 } |
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432 } |
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433 |
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434 rotatingFileStream::rotatingFileStream(const char* file_name) { |
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435 _cur_file_num = 0; |
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436 _bytes_writen = 0L; |
| 6197 | 437 _file_name = NEW_C_HEAP_ARRAY(char, strlen(file_name)+10, mtInternal); |
|
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438 jio_snprintf(_file_name, strlen(file_name)+10, "%s.%d", file_name, _cur_file_num); |
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439 _file = fopen(_file_name, "w"); |
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440 _need_close = true; |
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441 } |
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442 |
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443 rotatingFileStream::rotatingFileStream(const char* file_name, const char* opentype) { |
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444 _cur_file_num = 0; |
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445 _bytes_writen = 0L; |
| 6197 | 446 _file_name = NEW_C_HEAP_ARRAY(char, strlen(file_name)+10, mtInternal); |
|
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447 jio_snprintf(_file_name, strlen(file_name)+10, "%s.%d", file_name, _cur_file_num); |
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448 _file = fopen(_file_name, opentype); |
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449 _need_close = true; |
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450 } |
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451 |
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452 void rotatingFileStream::write(const char* s, size_t len) { |
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453 if (_file != NULL) { |
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454 // Make an unused local variable to avoid warning from gcc 4.x compiler. |
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455 size_t count = fwrite(s, 1, len, _file); |
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456 Atomic::add((jlong)count, &_bytes_writen); |
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457 } |
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458 update_position(s, len); |
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459 } |
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460 |
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461 // rotate_log must be called from VMThread at safepoint. In case need change parameters |
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462 // for gc log rotation from thread other than VMThread, a sub type of VM_Operation |
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463 // should be created and be submitted to VMThread's operation queue. DO NOT call this |
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464 // function directly. Currently, it is safe to rotate log at safepoint through VMThread. |
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465 // That is, no mutator threads and concurrent GC threads run parallel with VMThread to |
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466 // write to gc log file at safepoint. If in future, changes made for mutator threads or |
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467 // concurrent GC threads to run parallel with VMThread at safepoint, write and rotate_log |
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468 // must be synchronized. |
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469 void rotatingFileStream::rotate_log() { |
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470 if (_bytes_writen < (jlong)GCLogFileSize) return; |
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471 #ifdef ASSERT |
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472 Thread *thread = Thread::current(); |
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473 assert(thread == NULL || |
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474 (thread->is_VM_thread() && SafepointSynchronize::is_at_safepoint()), |
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475 "Must be VMThread at safepoint"); |
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476 #endif |
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477 if (NumberOfGCLogFiles == 1) { |
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478 // rotate in same file |
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479 rewind(); |
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480 _bytes_writen = 0L; |
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481 return; |
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482 } |
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483 |
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484 // rotate file in names file.0, file.1, file.2, ..., file.<MaxGCLogFileNumbers-1> |
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485 // close current file, rotate to next file |
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486 if (_file != NULL) { |
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487 _cur_file_num ++; |
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488 if (_cur_file_num >= NumberOfGCLogFiles) _cur_file_num = 0; |
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489 jio_snprintf(_file_name, strlen(Arguments::gc_log_filename()) + 10, "%s.%d", |
|
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490 Arguments::gc_log_filename(), _cur_file_num); |
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491 fclose(_file); |
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492 _file = NULL; |
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493 } |
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494 _file = fopen(_file_name, "w"); |
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495 if (_file != NULL) { |
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496 _bytes_writen = 0L; |
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497 _need_close = true; |
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498 } else { |
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499 tty->print_cr("failed to open rotation log file %s due to %s\n", |
|
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500 _file_name, strerror(errno)); |
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501 _need_close = false; |
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502 } |
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503 } |
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504 |
| 0 | 505 defaultStream* defaultStream::instance = NULL; |
| 506 int defaultStream::_output_fd = 1; | |
| 507 int defaultStream::_error_fd = 2; | |
| 508 FILE* defaultStream::_output_stream = stdout; | |
| 509 FILE* defaultStream::_error_stream = stderr; | |
| 510 | |
| 511 #define LOG_MAJOR_VERSION 160 | |
| 512 #define LOG_MINOR_VERSION 1 | |
| 513 | |
| 514 void defaultStream::init() { | |
| 515 _inited = true; | |
| 516 if (LogVMOutput || LogCompilation) { | |
| 517 init_log(); | |
| 518 } | |
| 519 } | |
| 520 | |
| 521 bool defaultStream::has_log_file() { | |
| 522 // lazily create log file (at startup, LogVMOutput is false even | |
| 523 // if +LogVMOutput is used, because the flags haven't been parsed yet) | |
| 524 // For safer printing during fatal error handling, do not init logfile | |
| 525 // if a VM error has been reported. | |
| 526 if (!_inited && !is_error_reported()) init(); | |
| 527 return _log_file != NULL; | |
| 528 } | |
| 529 | |
|
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530 static const char* make_log_name(const char* log_name, const char* force_directory) { |
| 0 | 531 const char* basename = log_name; |
| 532 char file_sep = os::file_separator()[0]; | |
| 533 const char* cp; | |
| 534 for (cp = log_name; *cp != '\0'; cp++) { | |
| 535 if (*cp == '/' || *cp == file_sep) { | |
| 536 basename = cp+1; | |
| 537 } | |
| 538 } | |
| 539 const char* nametail = log_name; | |
| 540 | |
|
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541 // Compute buffer length |
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542 size_t buffer_length; |
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543 if (force_directory != NULL) { |
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544 buffer_length = strlen(force_directory) + strlen(os::file_separator()) + |
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545 strlen(basename) + 1; |
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546 } else { |
|
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547 buffer_length = strlen(log_name) + 1; |
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548 } |
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549 |
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550 const char* star = strchr(basename, '*'); |
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551 int star_pos = (star == NULL) ? -1 : (star - nametail); |
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552 int skip = 1; |
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553 if (star == NULL) { |
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554 // Try %p |
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555 star = strstr(basename, "%p"); |
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556 if (star != NULL) { |
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557 skip = 2; |
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558 } |
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559 } |
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560 star_pos = (star == NULL) ? -1 : (star - nametail); |
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561 |
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562 char pid[32]; |
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563 if (star_pos >= 0) { |
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564 jio_snprintf(pid, sizeof(pid), "%u", os::current_process_id()); |
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565 buffer_length += strlen(pid); |
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566 } |
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567 |
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568 // Create big enough buffer. |
| 6197 | 569 char *buf = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); |
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570 |
| 0 | 571 strcpy(buf, ""); |
| 572 if (force_directory != NULL) { | |
| 573 strcat(buf, force_directory); | |
| 574 strcat(buf, os::file_separator()); | |
| 575 nametail = basename; // completely skip directory prefix | |
| 576 } | |
| 577 | |
| 578 if (star_pos >= 0) { | |
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579 // convert foo*bar.log or foo%pbar.log to foo123bar.log |
| 0 | 580 int buf_pos = (int) strlen(buf); |
| 581 strncpy(&buf[buf_pos], nametail, star_pos); | |
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582 strcpy(&buf[buf_pos + star_pos], pid); |
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583 nametail += star_pos + skip; // skip prefix and pid format |
| 0 | 584 } |
| 585 | |
| 586 strcat(buf, nametail); // append rest of name, or all of name | |
| 587 return buf; | |
| 588 } | |
| 589 | |
| 590 void defaultStream::init_log() { | |
| 591 // %%% Need a MutexLocker? | |
| 592 const char* log_name = LogFile != NULL ? LogFile : "hotspot.log"; | |
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593 const char* try_name = make_log_name(log_name, NULL); |
| 6197 | 594 fileStream* file = new(ResourceObj::C_HEAP, mtInternal) fileStream(try_name); |
| 0 | 595 if (!file->is_open()) { |
| 596 // Try again to open the file. | |
| 597 char warnbuf[O_BUFLEN*2]; | |
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598 jio_snprintf(warnbuf, sizeof(warnbuf), |
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599 "Warning: Cannot open log file: %s\n", try_name); |
| 0 | 600 // Note: This feature is for maintainer use only. No need for L10N. |
| 601 jio_print(warnbuf); | |
| 6197 | 602 FREE_C_HEAP_ARRAY(char, try_name, mtInternal); |
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603 try_name = make_log_name("hs_pid%p.log", os::get_temp_directory()); |
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604 jio_snprintf(warnbuf, sizeof(warnbuf), |
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605 "Warning: Forcing option -XX:LogFile=%s\n", try_name); |
| 0 | 606 jio_print(warnbuf); |
| 607 delete file; | |
| 6197 | 608 file = new(ResourceObj::C_HEAP, mtInternal) fileStream(try_name); |
| 609 FREE_C_HEAP_ARRAY(char, try_name, mtInternal); | |
| 0 | 610 } |
| 611 if (file->is_open()) { | |
| 612 _log_file = file; | |
| 6197 | 613 xmlStream* xs = new(ResourceObj::C_HEAP, mtInternal) xmlStream(file); |
| 0 | 614 _outer_xmlStream = xs; |
| 615 if (this == tty) xtty = xs; | |
| 616 // Write XML header. | |
| 617 xs->print_cr("<?xml version='1.0' encoding='UTF-8'?>"); | |
| 618 // (For now, don't bother to issue a DTD for this private format.) | |
| 619 jlong time_ms = os::javaTimeMillis() - tty->time_stamp().milliseconds(); | |
| 620 // %%% Should be: jlong time_ms = os::start_time_milliseconds(), if | |
| 621 // we ever get round to introduce that method on the os class | |
| 622 xs->head("hotspot_log version='%d %d'" | |
| 623 " process='%d' time_ms='"INT64_FORMAT"'", | |
| 624 LOG_MAJOR_VERSION, LOG_MINOR_VERSION, | |
| 625 os::current_process_id(), time_ms); | |
| 626 // Write VM version header immediately. | |
| 627 xs->head("vm_version"); | |
| 628 xs->head("name"); xs->text("%s", VM_Version::vm_name()); xs->cr(); | |
| 629 xs->tail("name"); | |
| 630 xs->head("release"); xs->text("%s", VM_Version::vm_release()); xs->cr(); | |
| 631 xs->tail("release"); | |
| 632 xs->head("info"); xs->text("%s", VM_Version::internal_vm_info_string()); xs->cr(); | |
| 633 xs->tail("info"); | |
| 634 xs->tail("vm_version"); | |
| 635 // Record information about the command-line invocation. | |
| 636 xs->head("vm_arguments"); // Cf. Arguments::print_on() | |
| 637 if (Arguments::num_jvm_flags() > 0) { | |
| 638 xs->head("flags"); | |
| 639 Arguments::print_jvm_flags_on(xs->text()); | |
| 640 xs->tail("flags"); | |
| 641 } | |
| 642 if (Arguments::num_jvm_args() > 0) { | |
| 643 xs->head("args"); | |
| 644 Arguments::print_jvm_args_on(xs->text()); | |
| 645 xs->tail("args"); | |
| 646 } | |
| 647 if (Arguments::java_command() != NULL) { | |
| 648 xs->head("command"); xs->text()->print_cr("%s", Arguments::java_command()); | |
| 649 xs->tail("command"); | |
| 650 } | |
| 651 if (Arguments::sun_java_launcher() != NULL) { | |
| 652 xs->head("launcher"); xs->text()->print_cr("%s", Arguments::sun_java_launcher()); | |
| 653 xs->tail("launcher"); | |
| 654 } | |
| 655 if (Arguments::system_properties() != NULL) { | |
| 656 xs->head("properties"); | |
| 657 // Print it as a java-style property list. | |
| 658 // System properties don't generally contain newlines, so don't bother with unparsing. | |
| 659 for (SystemProperty* p = Arguments::system_properties(); p != NULL; p = p->next()) { | |
| 660 xs->text()->print_cr("%s=%s", p->key(), p->value()); | |
| 661 } | |
| 662 xs->tail("properties"); | |
| 663 } | |
| 664 xs->tail("vm_arguments"); | |
| 665 // tty output per se is grouped under the <tty>...</tty> element. | |
| 666 xs->head("tty"); | |
| 667 // All further non-markup text gets copied to the tty: | |
| 668 xs->_text = this; // requires friend declaration! | |
| 669 } else { | |
| 670 delete(file); | |
| 671 // and leave xtty as NULL | |
| 672 LogVMOutput = false; | |
| 673 DisplayVMOutput = true; | |
| 674 LogCompilation = false; | |
| 675 } | |
| 676 } | |
| 677 | |
| 678 // finish_log() is called during normal VM shutdown. finish_log_on_error() is | |
| 679 // called by ostream_abort() after a fatal error. | |
| 680 // | |
| 681 void defaultStream::finish_log() { | |
| 682 xmlStream* xs = _outer_xmlStream; | |
| 683 xs->done("tty"); | |
| 684 | |
| 685 // Other log forks are appended here, at the End of Time: | |
| 686 CompileLog::finish_log(xs->out()); // write compile logging, if any, now | |
| 687 | |
| 688 xs->done("hotspot_log"); | |
| 689 xs->flush(); | |
| 690 | |
| 691 fileStream* file = _log_file; | |
| 692 _log_file = NULL; | |
| 693 | |
| 694 delete _outer_xmlStream; | |
| 695 _outer_xmlStream = NULL; | |
| 696 | |
| 697 file->flush(); | |
| 698 delete file; | |
| 699 } | |
| 700 | |
| 701 void defaultStream::finish_log_on_error(char *buf, int buflen) { | |
| 702 xmlStream* xs = _outer_xmlStream; | |
| 703 | |
| 704 if (xs && xs->out()) { | |
| 705 | |
| 706 xs->done_raw("tty"); | |
| 707 | |
| 708 // Other log forks are appended here, at the End of Time: | |
| 709 CompileLog::finish_log_on_error(xs->out(), buf, buflen); // write compile logging, if any, now | |
| 710 | |
| 711 xs->done_raw("hotspot_log"); | |
| 712 xs->flush(); | |
| 713 | |
| 714 fileStream* file = _log_file; | |
| 715 _log_file = NULL; | |
| 716 _outer_xmlStream = NULL; | |
| 717 | |
| 718 if (file) { | |
| 719 file->flush(); | |
| 720 | |
| 721 // Can't delete or close the file because delete and fclose aren't | |
| 722 // async-safe. We are about to die, so leave it to the kernel. | |
| 723 // delete file; | |
| 724 } | |
| 725 } | |
| 726 } | |
| 727 | |
| 728 intx defaultStream::hold(intx writer_id) { | |
| 729 bool has_log = has_log_file(); // check before locking | |
| 730 if (// impossible, but who knows? | |
| 731 writer_id == NO_WRITER || | |
| 732 | |
| 733 // bootstrap problem | |
| 734 tty_lock == NULL || | |
| 735 | |
| 736 // can't grab a lock or call Thread::current() if TLS isn't initialized | |
| 737 ThreadLocalStorage::thread() == NULL || | |
| 738 | |
| 739 // developer hook | |
| 740 !SerializeVMOutput || | |
| 741 | |
| 742 // VM already unhealthy | |
| 743 is_error_reported() || | |
| 744 | |
| 745 // safepoint == global lock (for VM only) | |
| 746 (SafepointSynchronize::is_synchronizing() && | |
| 747 Thread::current()->is_VM_thread()) | |
| 748 ) { | |
| 749 // do not attempt to lock unless we know the thread and the VM is healthy | |
| 750 return NO_WRITER; | |
| 751 } | |
| 752 if (_writer == writer_id) { | |
| 753 // already held, no need to re-grab the lock | |
| 754 return NO_WRITER; | |
| 755 } | |
| 756 tty_lock->lock_without_safepoint_check(); | |
| 757 // got the lock | |
| 758 if (writer_id != _last_writer) { | |
| 759 if (has_log) { | |
| 760 _log_file->bol(); | |
| 761 // output a hint where this output is coming from: | |
| 762 _log_file->print_cr("<writer thread='"INTX_FORMAT"'/>", writer_id); | |
| 763 } | |
| 764 _last_writer = writer_id; | |
| 765 } | |
| 766 _writer = writer_id; | |
| 767 return writer_id; | |
| 768 } | |
| 769 | |
| 770 void defaultStream::release(intx holder) { | |
| 771 if (holder == NO_WRITER) { | |
| 772 // nothing to release: either a recursive lock, or we scribbled (too bad) | |
| 773 return; | |
| 774 } | |
| 775 if (_writer != holder) { | |
| 776 return; // already unlocked, perhaps via break_tty_lock_for_safepoint | |
| 777 } | |
| 778 _writer = NO_WRITER; | |
| 779 tty_lock->unlock(); | |
| 780 } | |
| 781 | |
| 782 | |
| 783 // Yuck: jio_print does not accept char*/len. | |
| 784 static void call_jio_print(const char* s, size_t len) { | |
| 785 char buffer[O_BUFLEN+100]; | |
| 786 if (len > sizeof(buffer)-1) { | |
| 787 warning("increase O_BUFLEN in ostream.cpp -- output truncated"); | |
| 788 len = sizeof(buffer)-1; | |
| 789 } | |
| 790 strncpy(buffer, s, len); | |
| 791 buffer[len] = '\0'; | |
| 792 jio_print(buffer); | |
| 793 } | |
| 794 | |
| 795 | |
| 796 void defaultStream::write(const char* s, size_t len) { | |
| 797 intx thread_id = os::current_thread_id(); | |
| 798 intx holder = hold(thread_id); | |
| 799 | |
| 800 if (DisplayVMOutput && | |
| 801 (_outer_xmlStream == NULL || !_outer_xmlStream->inside_attrs())) { | |
| 802 // print to output stream. It can be redirected by a vfprintf hook | |
| 803 if (s[len] == '\0') { | |
| 804 jio_print(s); | |
| 805 } else { | |
| 806 call_jio_print(s, len); | |
| 807 } | |
| 808 } | |
| 809 | |
| 810 // print to log file | |
| 811 if (has_log_file()) { | |
| 812 int nl0 = _newlines; | |
| 813 xmlTextStream::write(s, len); | |
| 814 // flush the log file too, if there were any newlines | |
| 815 if (nl0 != _newlines){ | |
| 816 flush(); | |
| 817 } | |
| 818 } else { | |
| 819 update_position(s, len); | |
| 820 } | |
| 821 | |
| 822 release(holder); | |
| 823 } | |
| 824 | |
| 825 intx ttyLocker::hold_tty() { | |
| 826 if (defaultStream::instance == NULL) return defaultStream::NO_WRITER; | |
| 827 intx thread_id = os::current_thread_id(); | |
| 828 return defaultStream::instance->hold(thread_id); | |
| 829 } | |
| 830 | |
| 831 void ttyLocker::release_tty(intx holder) { | |
| 832 if (holder == defaultStream::NO_WRITER) return; | |
| 833 defaultStream::instance->release(holder); | |
| 834 } | |
| 835 | |
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836 bool ttyLocker::release_tty_if_locked() { |
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837 intx thread_id = os::current_thread_id(); |
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838 if (defaultStream::instance->writer() == thread_id) { |
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839 // release the lock and return true so callers know if was |
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840 // previously held. |
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841 release_tty(thread_id); |
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842 return true; |
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843 } |
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844 return false; |
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845 } |
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846 |
| 0 | 847 void ttyLocker::break_tty_lock_for_safepoint(intx holder) { |
| 848 if (defaultStream::instance != NULL && | |
| 849 defaultStream::instance->writer() == holder) { | |
| 850 if (xtty != NULL) { | |
| 851 xtty->print_cr("<!-- safepoint while printing -->"); | |
| 852 } | |
| 853 defaultStream::instance->release(holder); | |
| 854 } | |
| 855 // (else there was no lock to break) | |
| 856 } | |
| 857 | |
| 858 void ostream_init() { | |
| 859 if (defaultStream::instance == NULL) { | |
| 6197 | 860 defaultStream::instance = new(ResourceObj::C_HEAP, mtInternal) defaultStream(); |
| 0 | 861 tty = defaultStream::instance; |
| 862 | |
| 863 // We want to ensure that time stamps in GC logs consider time 0 | |
| 864 // the time when the JVM is initialized, not the first time we ask | |
| 865 // for a time stamp. So, here, we explicitly update the time stamp | |
| 866 // of tty. | |
| 867 tty->time_stamp().update_to(1); | |
| 868 } | |
| 869 } | |
| 870 | |
| 871 void ostream_init_log() { | |
| 872 // For -Xloggc:<file> option - called in runtime/thread.cpp | |
| 873 // Note : this must be called AFTER ostream_init() | |
| 874 | |
| 875 gclog_or_tty = tty; // default to tty | |
| 876 if (Arguments::gc_log_filename() != NULL) { | |
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877 fileStream * gclog = UseGCLogFileRotation ? |
| 6197 | 878 new(ResourceObj::C_HEAP, mtInternal) |
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879 rotatingFileStream(Arguments::gc_log_filename()) : |
| 6197 | 880 new(ResourceObj::C_HEAP, mtInternal) |
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881 fileStream(Arguments::gc_log_filename()); |
| 0 | 882 if (gclog->is_open()) { |
| 883 // now we update the time stamp of the GC log to be synced up | |
| 884 // with tty. | |
| 885 gclog->time_stamp().update_to(tty->time_stamp().ticks()); | |
| 886 } | |
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887 gclog_or_tty = gclog; |
| 0 | 888 } |
| 889 | |
| 890 // If we haven't lazily initialized the logfile yet, do it now, | |
| 891 // to avoid the possibility of lazy initialization during a VM | |
| 892 // crash, which can affect the stability of the fatal error handler. | |
| 893 defaultStream::instance->has_log_file(); | |
| 894 } | |
| 895 | |
| 896 // ostream_exit() is called during normal VM exit to finish log files, flush | |
| 897 // output and free resource. | |
| 898 void ostream_exit() { | |
| 899 static bool ostream_exit_called = false; | |
| 900 if (ostream_exit_called) return; | |
| 901 ostream_exit_called = true; | |
| 902 if (gclog_or_tty != tty) { | |
| 903 delete gclog_or_tty; | |
| 904 } | |
| 905 { | |
| 906 // we temporaly disable PrintMallocFree here | |
| 907 // as otherwise it'll lead to using of almost deleted | |
| 908 // tty or defaultStream::instance in logging facility | |
| 909 // of HeapFree(), see 6391258 | |
| 910 DEBUG_ONLY(FlagSetting fs(PrintMallocFree, false);) | |
| 911 if (tty != defaultStream::instance) { | |
| 912 delete tty; | |
| 913 } | |
| 914 if (defaultStream::instance != NULL) { | |
| 915 delete defaultStream::instance; | |
| 916 } | |
| 917 } | |
| 918 tty = NULL; | |
| 919 xtty = NULL; | |
| 920 gclog_or_tty = NULL; | |
| 921 defaultStream::instance = NULL; | |
| 922 } | |
| 923 | |
| 924 // ostream_abort() is called by os::abort() when VM is about to die. | |
| 925 void ostream_abort() { | |
| 926 // Here we can't delete gclog_or_tty and tty, just flush their output | |
| 927 if (gclog_or_tty) gclog_or_tty->flush(); | |
| 928 if (tty) tty->flush(); | |
| 929 | |
| 930 if (defaultStream::instance != NULL) { | |
| 931 static char buf[4096]; | |
| 932 defaultStream::instance->finish_log_on_error(buf, sizeof(buf)); | |
| 933 } | |
| 934 } | |
| 935 | |
| 936 staticBufferStream::staticBufferStream(char* buffer, size_t buflen, | |
| 937 outputStream *outer_stream) { | |
| 938 _buffer = buffer; | |
| 939 _buflen = buflen; | |
| 940 _outer_stream = outer_stream; | |
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941 // compile task prints time stamp relative to VM start |
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942 _stamp.update_to(1); |
| 0 | 943 } |
| 944 | |
| 945 void staticBufferStream::write(const char* c, size_t len) { | |
| 946 _outer_stream->print_raw(c, (int)len); | |
| 947 } | |
| 948 | |
| 949 void staticBufferStream::flush() { | |
| 950 _outer_stream->flush(); | |
| 951 } | |
| 952 | |
| 953 void staticBufferStream::print(const char* format, ...) { | |
| 954 va_list ap; | |
| 955 va_start(ap, format); | |
| 956 size_t len; | |
| 957 const char* str = do_vsnprintf(_buffer, _buflen, format, ap, false, len); | |
| 958 write(str, len); | |
| 959 va_end(ap); | |
| 960 } | |
| 961 | |
| 962 void staticBufferStream::print_cr(const char* format, ...) { | |
| 963 va_list ap; | |
| 964 va_start(ap, format); | |
| 965 size_t len; | |
| 966 const char* str = do_vsnprintf(_buffer, _buflen, format, ap, true, len); | |
| 967 write(str, len); | |
| 968 va_end(ap); | |
| 969 } | |
| 970 | |
| 971 void staticBufferStream::vprint(const char *format, va_list argptr) { | |
| 972 size_t len; | |
| 973 const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, false, len); | |
| 974 write(str, len); | |
| 975 } | |
| 976 | |
| 977 void staticBufferStream::vprint_cr(const char* format, va_list argptr) { | |
| 978 size_t len; | |
| 979 const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, true, len); | |
| 980 write(str, len); | |
| 981 } | |
| 982 | |
| 222 | 983 bufferedStream::bufferedStream(size_t initial_size, size_t bufmax) : outputStream() { |
| 0 | 984 buffer_length = initial_size; |
| 6197 | 985 buffer = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); |
| 0 | 986 buffer_pos = 0; |
| 987 buffer_fixed = false; | |
| 222 | 988 buffer_max = bufmax; |
| 0 | 989 } |
| 990 | |
| 222 | 991 bufferedStream::bufferedStream(char* fixed_buffer, size_t fixed_buffer_size, size_t bufmax) : outputStream() { |
| 0 | 992 buffer_length = fixed_buffer_size; |
| 993 buffer = fixed_buffer; | |
| 994 buffer_pos = 0; | |
| 995 buffer_fixed = true; | |
| 222 | 996 buffer_max = bufmax; |
| 0 | 997 } |
| 998 | |
| 999 void bufferedStream::write(const char* s, size_t len) { | |
| 222 | 1000 |
| 1001 if(buffer_pos + len > buffer_max) { | |
| 1002 flush(); | |
| 1003 } | |
| 1004 | |
| 0 | 1005 size_t end = buffer_pos + len; |
| 1006 if (end >= buffer_length) { | |
| 1007 if (buffer_fixed) { | |
| 1008 // if buffer cannot resize, silently truncate | |
| 1009 len = buffer_length - buffer_pos - 1; | |
| 1010 } else { | |
| 1011 // For small overruns, double the buffer. For larger ones, | |
| 1012 // increase to the requested size. | |
| 1013 if (end < buffer_length * 2) { | |
| 1014 end = buffer_length * 2; | |
| 1015 } | |
| 6197 | 1016 buffer = REALLOC_C_HEAP_ARRAY(char, buffer, end, mtInternal); |
| 0 | 1017 buffer_length = end; |
| 1018 } | |
| 1019 } | |
| 1020 memcpy(buffer + buffer_pos, s, len); | |
| 1021 buffer_pos += len; | |
| 1022 update_position(s, len); | |
| 1023 } | |
| 1024 | |
| 1025 char* bufferedStream::as_string() { | |
| 1026 char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos+1); | |
| 1027 strncpy(copy, buffer, buffer_pos); | |
| 1028 copy[buffer_pos] = 0; // terminating null | |
| 1029 return copy; | |
| 1030 } | |
| 1031 | |
| 1032 bufferedStream::~bufferedStream() { | |
| 1033 if (!buffer_fixed) { | |
| 6197 | 1034 FREE_C_HEAP_ARRAY(char, buffer, mtInternal); |
| 0 | 1035 } |
| 1036 } | |
| 1037 | |
| 1038 #ifndef PRODUCT | |
| 1039 | |
| 3960 | 1040 #if defined(SOLARIS) || defined(LINUX) || defined(_ALLBSD_SOURCE) |
| 0 | 1041 #include <sys/types.h> |
| 1042 #include <sys/socket.h> | |
| 1043 #include <netinet/in.h> | |
| 1044 #include <arpa/inet.h> | |
| 1045 #endif | |
| 1046 | |
| 1047 // Network access | |
| 222 | 1048 networkStream::networkStream() : bufferedStream(1024*10, 1024*10) { |
| 0 | 1049 |
| 1050 _socket = -1; | |
| 1051 | |
|
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1052 int result = os::socket(AF_INET, SOCK_STREAM, 0); |
| 0 | 1053 if (result <= 0) { |
| 1054 assert(false, "Socket could not be created!"); | |
| 1055 } else { | |
| 1056 _socket = result; | |
| 1057 } | |
| 1058 } | |
| 1059 | |
| 1060 int networkStream::read(char *buf, size_t len) { | |
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1061 return os::recv(_socket, buf, (int)len, 0); |
| 0 | 1062 } |
| 1063 | |
| 1064 void networkStream::flush() { | |
| 1065 if (size() != 0) { | |
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1066 int result = os::raw_send(_socket, (char *)base(), size(), 0); |
| 222 | 1067 assert(result != -1, "connection error"); |
| 1068 assert(result == (int)size(), "didn't send enough data"); | |
| 0 | 1069 } |
| 1070 reset(); | |
| 1071 } | |
| 1072 | |
| 1073 networkStream::~networkStream() { | |
| 1074 close(); | |
| 1075 } | |
| 1076 | |
| 1077 void networkStream::close() { | |
| 1078 if (_socket != -1) { | |
| 1079 flush(); | |
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1080 os::socket_close(_socket); |
| 0 | 1081 _socket = -1; |
| 1082 } | |
| 1083 } | |
| 1084 | |
| 1085 bool networkStream::connect(const char *ip, short port) { | |
| 1086 | |
| 1087 struct sockaddr_in server; | |
| 1088 server.sin_family = AF_INET; | |
| 1089 server.sin_port = htons(port); | |
| 1090 | |
| 1091 server.sin_addr.s_addr = inet_addr(ip); | |
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1092 if (server.sin_addr.s_addr == (uint32_t)-1) { |
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1093 struct hostent* host = os::get_host_by_name((char*)ip); |
| 0 | 1094 if (host != NULL) { |
| 1095 memcpy(&server.sin_addr, host->h_addr_list[0], host->h_length); | |
| 1096 } else { | |
| 1097 return false; | |
| 1098 } | |
| 1099 } | |
| 1100 | |
| 1101 | |
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1102 int result = os::connect(_socket, (struct sockaddr*)&server, sizeof(struct sockaddr_in)); |
| 0 | 1103 return (result >= 0); |
| 1104 } | |
| 1105 | |
| 1106 #endif |