| 1 | /* |
| 2 | * Copyright (C) 2003-2017 Apple Inc. All rights reserved. |
| 3 | * Copyright (C) 2007-2009 Torch Mobile, Inc. |
| 4 | * Copyright (C) 2011 University of Szeged. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 16 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 18 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 19 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 22 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 23 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 25 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | // The vprintf_stderr_common function triggers this error in the Mac build. |
| 29 | // Feel free to remove this pragma if this file builds on Mac. |
| 30 | // According to http://gcc.gnu.org/onlinedocs/gcc-4.2.1/gcc/Diagnostic-Pragmas.html#Diagnostic-Pragmas |
| 31 | // we need to place this directive before any data or functions are defined. |
| 32 | #pragma GCC diagnostic ignored "-Wmissing-format-attribute" |
| 33 | |
| 34 | #include "config.h" |
| 35 | #include <wtf/Assertions.h> |
| 36 | |
| 37 | #include <mutex> |
| 38 | #include <stdio.h> |
| 39 | #include <string.h> |
| 40 | #include <wtf/Compiler.h> |
| 41 | #include <wtf/Lock.h> |
| 42 | #include <wtf/Locker.h> |
| 43 | #include <wtf/LoggingAccumulator.h> |
| 44 | #include <wtf/PrintStream.h> |
| 45 | #include <wtf/RetainPtr.h> |
| 46 | #include <wtf/StackTrace.h> |
| 47 | #include <wtf/StdLibExtras.h> |
| 48 | #include <wtf/text/CString.h> |
| 49 | #include <wtf/text/StringBuilder.h> |
| 50 | #include <wtf/text/WTFString.h> |
| 51 | |
| 52 | #if HAVE(SIGNAL_H) |
| 53 | #include <signal.h> |
| 54 | #endif |
| 55 | |
| 56 | #if USE(CF) |
| 57 | #include <CoreFoundation/CFString.h> |
| 58 | #if PLATFORM(COCOA) |
| 59 | #define USE_APPLE_SYSTEM_LOG 1 |
| 60 | #include <asl.h> |
| 61 | #endif |
| 62 | #endif // USE(CF) |
| 63 | |
| 64 | #if COMPILER(MSVC) |
| 65 | #include <crtdbg.h> |
| 66 | #endif |
| 67 | |
| 68 | #if OS(WINDOWS) |
| 69 | #include <windows.h> |
| 70 | #endif |
| 71 | |
| 72 | #if OS(DARWIN) |
| 73 | #include <sys/sysctl.h> |
| 74 | #include <unistd.h> |
| 75 | #endif |
| 76 | |
| 77 | namespace WTF { |
| 78 | |
| 79 | WTF_ATTRIBUTE_PRINTF(1, 0) static String createWithFormatAndArguments(const char* format, va_list args) |
| 80 | { |
| 81 | va_list argsCopy; |
| 82 | va_copy(argsCopy, args); |
| 83 | |
| 84 | ALLOW_NONLITERAL_FORMAT_BEGIN |
| 85 | |
| 86 | #if USE(CF) && !OS(WINDOWS) |
| 87 | if (strstr(format, "%@" )) { |
| 88 | auto cfFormat = adoptCF(CFStringCreateWithCString(kCFAllocatorDefault, format, kCFStringEncodingUTF8)); |
| 89 | auto result = adoptCF(CFStringCreateWithFormatAndArguments(kCFAllocatorDefault, nullptr, cfFormat.get(), args)); |
| 90 | va_end(argsCopy); |
| 91 | return result.get(); |
| 92 | } |
| 93 | #endif |
| 94 | |
| 95 | // Do the format once to get the length. |
| 96 | #if COMPILER(MSVC) |
| 97 | int result = _vscprintf(format, args); |
| 98 | #else |
| 99 | char ch; |
| 100 | int result = vsnprintf(&ch, 1, format, args); |
| 101 | #endif |
| 102 | |
| 103 | if (!result) { |
| 104 | va_end(argsCopy); |
| 105 | return emptyString(); |
| 106 | } |
| 107 | if (result < 0) { |
| 108 | va_end(argsCopy); |
| 109 | return { }; |
| 110 | } |
| 111 | |
| 112 | Vector<char, 256> buffer; |
| 113 | unsigned length = result; |
| 114 | buffer.grow(length + 1); |
| 115 | |
| 116 | // Now do the formatting again, guaranteed to fit. |
| 117 | vsnprintf(buffer.data(), buffer.size(), format, argsCopy); |
| 118 | va_end(argsCopy); |
| 119 | |
| 120 | ALLOW_NONLITERAL_FORMAT_END |
| 121 | |
| 122 | return StringImpl::create(reinterpret_cast<const LChar*>(buffer.data()), length); |
| 123 | } |
| 124 | |
| 125 | } |
| 126 | |
| 127 | extern "C" { |
| 128 | |
| 129 | static void logToStderr(const char* buffer) |
| 130 | { |
| 131 | #if USE(APPLE_SYSTEM_LOG) |
| 132 | ALLOW_DEPRECATED_DECLARATIONS_BEGIN |
| 133 | asl_log(0, 0, ASL_LEVEL_NOTICE, "%s" , buffer); |
| 134 | ALLOW_DEPRECATED_DECLARATIONS_END |
| 135 | #endif |
| 136 | fputs(buffer, stderr); |
| 137 | } |
| 138 | |
| 139 | WTF_ATTRIBUTE_PRINTF(1, 0) |
| 140 | static void vprintf_stderr_common(const char* format, va_list args) |
| 141 | { |
| 142 | #if USE(CF) && !OS(WINDOWS) |
| 143 | if (strstr(format, "%@" )) { |
| 144 | auto cfFormat = adoptCF(CFStringCreateWithCString(nullptr, format, kCFStringEncodingUTF8)); |
| 145 | |
| 146 | ALLOW_NONLITERAL_FORMAT_BEGIN |
| 147 | auto str = adoptCF(CFStringCreateWithFormatAndArguments(nullptr, nullptr, cfFormat.get(), args)); |
| 148 | ALLOW_NONLITERAL_FORMAT_END |
| 149 | CFIndex length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str.get()), kCFStringEncodingUTF8); |
| 150 | constexpr unsigned InitialBufferSize { 256 }; |
| 151 | Vector<char, InitialBufferSize> buffer(length + 1); |
| 152 | |
| 153 | CFStringGetCString(str.get(), buffer.data(), length, kCFStringEncodingUTF8); |
| 154 | |
| 155 | logToStderr(buffer.data()); |
| 156 | return; |
| 157 | } |
| 158 | |
| 159 | #if USE(APPLE_SYSTEM_LOG) |
| 160 | ALLOW_DEPRECATED_DECLARATIONS_BEGIN |
| 161 | va_list copyOfArgs; |
| 162 | va_copy(copyOfArgs, args); |
| 163 | asl_vlog(0, 0, ASL_LEVEL_NOTICE, format, copyOfArgs); |
| 164 | va_end(copyOfArgs); |
| 165 | ALLOW_DEPRECATED_DECLARATIONS_END |
| 166 | #endif |
| 167 | |
| 168 | // Fall through to write to stderr in the same manner as other platforms. |
| 169 | |
| 170 | #elif HAVE(ISDEBUGGERPRESENT) |
| 171 | if (IsDebuggerPresent()) { |
| 172 | size_t size = 1024; |
| 173 | Vector<char> buffer(size); |
| 174 | do { |
| 175 | buffer.grow(size); |
| 176 | if (vsnprintf(buffer.data(), size, format, args) != -1) { |
| 177 | OutputDebugStringA(buffer.data()); |
| 178 | break; |
| 179 | } |
| 180 | size *= 2; |
| 181 | } while (size > 1024); |
| 182 | } |
| 183 | #endif |
| 184 | vfprintf(stderr, format, args); |
| 185 | } |
| 186 | |
| 187 | ALLOW_NONLITERAL_FORMAT_BEGIN |
| 188 | |
| 189 | static void vprintf_stderr_with_prefix(const char* prefix, const char* format, va_list args) |
| 190 | { |
| 191 | size_t prefixLength = strlen(prefix); |
| 192 | size_t formatLength = strlen(format); |
| 193 | Vector<char> formatWithPrefix(prefixLength + formatLength + 1); |
| 194 | memcpy(formatWithPrefix.data(), prefix, prefixLength); |
| 195 | memcpy(formatWithPrefix.data() + prefixLength, format, formatLength); |
| 196 | formatWithPrefix[prefixLength + formatLength] = 0; |
| 197 | |
| 198 | vprintf_stderr_common(formatWithPrefix.data(), args); |
| 199 | } |
| 200 | |
| 201 | static void vprintf_stderr_with_trailing_newline(const char* format, va_list args) |
| 202 | { |
| 203 | size_t formatLength = strlen(format); |
| 204 | if (formatLength && format[formatLength - 1] == '\n') { |
| 205 | vprintf_stderr_common(format, args); |
| 206 | return; |
| 207 | } |
| 208 | |
| 209 | Vector<char> formatWithNewline(formatLength + 2); |
| 210 | memcpy(formatWithNewline.data(), format, formatLength); |
| 211 | formatWithNewline[formatLength] = '\n'; |
| 212 | formatWithNewline[formatLength + 1] = 0; |
| 213 | |
| 214 | vprintf_stderr_common(formatWithNewline.data(), args); |
| 215 | } |
| 216 | |
| 217 | ALLOW_NONLITERAL_FORMAT_END |
| 218 | |
| 219 | WTF_ATTRIBUTE_PRINTF(1, 2) |
| 220 | static void printf_stderr_common(const char* format, ...) |
| 221 | { |
| 222 | va_list args; |
| 223 | va_start(args, format); |
| 224 | vprintf_stderr_common(format, args); |
| 225 | va_end(args); |
| 226 | } |
| 227 | |
| 228 | static void printCallSite(const char* file, int line, const char* function) |
| 229 | { |
| 230 | #if OS(WINDOWS) && defined(_DEBUG) |
| 231 | _CrtDbgReport(_CRT_WARN, file, line, NULL, "%s\n" , function); |
| 232 | #else |
| 233 | // By using this format, which matches the format used by MSVC for compiler errors, developers |
| 234 | // using Visual Studio can double-click the file/line number in the Output Window to have the |
| 235 | // editor navigate to that line of code. It seems fine for other developers, too. |
| 236 | printf_stderr_common("%s(%d) : %s\n" , file, line, function); |
| 237 | #endif |
| 238 | } |
| 239 | |
| 240 | void WTFReportNotImplementedYet(const char* file, int line, const char* function) |
| 241 | { |
| 242 | printf_stderr_common("NOT IMPLEMENTED YET\n" ); |
| 243 | printCallSite(file, line, function); |
| 244 | } |
| 245 | |
| 246 | void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion) |
| 247 | { |
| 248 | if (assertion) |
| 249 | printf_stderr_common("ASSERTION FAILED: %s\n" , assertion); |
| 250 | else |
| 251 | printf_stderr_common("SHOULD NEVER BE REACHED\n" ); |
| 252 | printCallSite(file, line, function); |
| 253 | } |
| 254 | |
| 255 | void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...) |
| 256 | { |
| 257 | va_list args; |
| 258 | va_start(args, format); |
| 259 | vprintf_stderr_with_prefix("ASSERTION FAILED: " , format, args); |
| 260 | va_end(args); |
| 261 | printf_stderr_common("\n%s\n" , assertion); |
| 262 | printCallSite(file, line, function); |
| 263 | } |
| 264 | |
| 265 | void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion) |
| 266 | { |
| 267 | printf_stderr_common("ARGUMENT BAD: %s, %s\n" , argName, assertion); |
| 268 | printCallSite(file, line, function); |
| 269 | } |
| 270 | |
| 271 | class CrashLogPrintStream : public PrintStream { |
| 272 | public: |
| 273 | WTF_ATTRIBUTE_PRINTF(2, 0) |
| 274 | void vprintf(const char* format, va_list argList) override |
| 275 | { |
| 276 | vprintf_stderr_common(format, argList); |
| 277 | } |
| 278 | }; |
| 279 | |
| 280 | void WTFReportBacktrace() |
| 281 | { |
| 282 | static const int framesToShow = 31; |
| 283 | static const int framesToSkip = 2; |
| 284 | void* samples[framesToShow + framesToSkip]; |
| 285 | int frames = framesToShow + framesToSkip; |
| 286 | |
| 287 | WTFGetBacktrace(samples, &frames); |
| 288 | WTFPrintBacktrace(samples + framesToSkip, frames - framesToSkip); |
| 289 | } |
| 290 | |
| 291 | void WTFPrintBacktrace(void** stack, int size) |
| 292 | { |
| 293 | CrashLogPrintStream out; |
| 294 | StackTrace stackTrace(stack, size); |
| 295 | out.print(stackTrace); |
| 296 | } |
| 297 | |
| 298 | #if !defined(NDEBUG) || !(OS(DARWIN) || PLATFORM(PLAYSTATION)) |
| 299 | void WTFCrash() |
| 300 | { |
| 301 | WTFReportBacktrace(); |
| 302 | #if ASAN_ENABLED |
| 303 | __builtin_trap(); |
| 304 | #else |
| 305 | *(int *)(uintptr_t)0xbbadbeef = 0; |
| 306 | // More reliable, but doesn't say BBADBEEF. |
| 307 | #if COMPILER(GCC_COMPATIBLE) |
| 308 | __builtin_trap(); |
| 309 | #else |
| 310 | ((void(*)())0)(); |
| 311 | #endif // COMPILER(GCC_COMPATIBLE) |
| 312 | #endif // ASAN_ENABLED |
| 313 | } |
| 314 | #else |
| 315 | // We need to keep WTFCrash() around (even on non-debug OS(DARWIN) builds) as a workaround |
| 316 | // for presently shipping (circa early 2016) SafariForWebKitDevelopment binaries which still |
| 317 | // expects to link to it. |
| 318 | void WTFCrash() |
| 319 | { |
| 320 | CRASH(); |
| 321 | } |
| 322 | #endif // !defined(NDEBUG) || !(OS(DARWIN) || PLATFORM(PLAYSTATION)) |
| 323 | |
| 324 | void WTFCrashWithSecurityImplication() |
| 325 | { |
| 326 | CRASH(); |
| 327 | } |
| 328 | |
| 329 | bool WTFIsDebuggerAttached() |
| 330 | { |
| 331 | #if OS(DARWIN) |
| 332 | struct kinfo_proc info; |
| 333 | int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() }; |
| 334 | size_t size = sizeof(info); |
| 335 | if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &info, &size, nullptr, 0) == -1) |
| 336 | return false; |
| 337 | return info.kp_proc.p_flag & P_TRACED; |
| 338 | #else |
| 339 | return false; |
| 340 | #endif |
| 341 | } |
| 342 | |
| 343 | void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...) |
| 344 | { |
| 345 | va_list args; |
| 346 | va_start(args, format); |
| 347 | vprintf_stderr_with_prefix("FATAL ERROR: " , format, args); |
| 348 | va_end(args); |
| 349 | printf_stderr_common("\n" ); |
| 350 | printCallSite(file, line, function); |
| 351 | } |
| 352 | |
| 353 | void WTFReportError(const char* file, int line, const char* function, const char* format, ...) |
| 354 | { |
| 355 | va_list args; |
| 356 | va_start(args, format); |
| 357 | vprintf_stderr_with_prefix("ERROR: " , format, args); |
| 358 | va_end(args); |
| 359 | printf_stderr_common("\n" ); |
| 360 | printCallSite(file, line, function); |
| 361 | } |
| 362 | |
| 363 | class WTFLoggingAccumulator { |
| 364 | public: |
| 365 | void accumulate(const String&); |
| 366 | void resetAccumulatedLogs(); |
| 367 | String getAndResetAccumulatedLogs(); |
| 368 | |
| 369 | private: |
| 370 | Lock accumulatorLock; |
| 371 | StringBuilder loggingAccumulator; |
| 372 | }; |
| 373 | |
| 374 | void WTFLoggingAccumulator::accumulate(const String& log) |
| 375 | { |
| 376 | Locker<Lock> locker(accumulatorLock); |
| 377 | loggingAccumulator.append(log); |
| 378 | } |
| 379 | |
| 380 | void WTFLoggingAccumulator::resetAccumulatedLogs() |
| 381 | { |
| 382 | Locker<Lock> locker(accumulatorLock); |
| 383 | loggingAccumulator.clear(); |
| 384 | } |
| 385 | |
| 386 | String WTFLoggingAccumulator::getAndResetAccumulatedLogs() |
| 387 | { |
| 388 | Locker<Lock> locker(accumulatorLock); |
| 389 | String result = loggingAccumulator.toString(); |
| 390 | loggingAccumulator.clear(); |
| 391 | return result; |
| 392 | } |
| 393 | |
| 394 | static WTFLoggingAccumulator& loggingAccumulator() |
| 395 | { |
| 396 | static WTFLoggingAccumulator* accumulator; |
| 397 | static std::once_flag initializeAccumulatorOnce; |
| 398 | std::call_once(initializeAccumulatorOnce, [] { |
| 399 | accumulator = new WTFLoggingAccumulator; |
| 400 | }); |
| 401 | |
| 402 | return *accumulator; |
| 403 | } |
| 404 | |
| 405 | void WTFSetLogChannelLevel(WTFLogChannel* channel, WTFLogLevel level) |
| 406 | { |
| 407 | channel->level = level; |
| 408 | } |
| 409 | |
| 410 | bool WTFWillLogWithLevel(WTFLogChannel* channel, WTFLogLevel level) |
| 411 | { |
| 412 | return channel->level >= level && channel->state != WTFLogChannelState::Off; |
| 413 | } |
| 414 | |
| 415 | void WTFLogWithLevel(WTFLogChannel* channel, WTFLogLevel level, const char* format, ...) |
| 416 | { |
| 417 | if (level != WTFLogLevel::Always && level > channel->level) |
| 418 | return; |
| 419 | |
| 420 | if (channel->level != WTFLogLevel::Always && channel->state == WTFLogChannelState::Off) |
| 421 | return; |
| 422 | |
| 423 | va_list args; |
| 424 | va_start(args, format); |
| 425 | |
| 426 | ALLOW_NONLITERAL_FORMAT_BEGIN |
| 427 | WTFLog(channel, format, args); |
| 428 | ALLOW_NONLITERAL_FORMAT_END |
| 429 | |
| 430 | va_end(args); |
| 431 | } |
| 432 | |
| 433 | static void WTFLogVaList(WTFLogChannel* channel, const char* format, va_list args) |
| 434 | { |
| 435 | if (channel->state == WTFLogChannelState::Off) |
| 436 | return; |
| 437 | |
| 438 | if (channel->state == WTFLogChannelState::On) { |
| 439 | vprintf_stderr_with_trailing_newline(format, args); |
| 440 | return; |
| 441 | } |
| 442 | |
| 443 | ASSERT(channel->state == WTFLogChannelState::OnWithAccumulation); |
| 444 | |
| 445 | ALLOW_NONLITERAL_FORMAT_BEGIN |
| 446 | String loggingString = WTF::createWithFormatAndArguments(format, args); |
| 447 | ALLOW_NONLITERAL_FORMAT_END |
| 448 | |
| 449 | if (!loggingString.endsWith('\n')) |
| 450 | loggingString.append('\n'); |
| 451 | |
| 452 | loggingAccumulator().accumulate(loggingString); |
| 453 | |
| 454 | logToStderr(loggingString.utf8().data()); |
| 455 | } |
| 456 | |
| 457 | void WTFLog(WTFLogChannel* channel, const char* format, ...) |
| 458 | { |
| 459 | va_list args; |
| 460 | va_start(args, format); |
| 461 | |
| 462 | WTFLogVaList(channel, format, args); |
| 463 | |
| 464 | va_end(args); |
| 465 | } |
| 466 | |
| 467 | void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel* channel, const char* format, ...) |
| 468 | { |
| 469 | if (channel->state != WTFLogChannelState::On) |
| 470 | return; |
| 471 | |
| 472 | va_list args; |
| 473 | va_start(args, format); |
| 474 | |
| 475 | ALLOW_NONLITERAL_FORMAT_BEGIN |
| 476 | WTFLogVaList(channel, format, args); |
| 477 | ALLOW_NONLITERAL_FORMAT_END |
| 478 | |
| 479 | va_end(args); |
| 480 | |
| 481 | printCallSite(file, line, function); |
| 482 | } |
| 483 | |
| 484 | void WTFLogAlwaysV(const char* format, va_list args) |
| 485 | { |
| 486 | vprintf_stderr_with_trailing_newline(format, args); |
| 487 | } |
| 488 | |
| 489 | void WTFLogAlways(const char* format, ...) |
| 490 | { |
| 491 | va_list args; |
| 492 | va_start(args, format); |
| 493 | WTFLogAlwaysV(format, args); |
| 494 | va_end(args); |
| 495 | } |
| 496 | |
| 497 | void WTFLogAlwaysAndCrash(const char* format, ...) |
| 498 | { |
| 499 | va_list args; |
| 500 | va_start(args, format); |
| 501 | WTFLogAlwaysV(format, args); |
| 502 | va_end(args); |
| 503 | CRASH(); |
| 504 | } |
| 505 | |
| 506 | WTFLogChannel* WTFLogChannelByName(WTFLogChannel* channels[], size_t count, const char* name) |
| 507 | { |
| 508 | for (size_t i = 0; i < count; ++i) { |
| 509 | WTFLogChannel* channel = channels[i]; |
| 510 | if (equalIgnoringASCIICase(name, channel->name)) |
| 511 | return channel; |
| 512 | } |
| 513 | |
| 514 | return 0; |
| 515 | } |
| 516 | |
| 517 | static void setStateOfAllChannels(WTFLogChannel* channels[], size_t channelCount, WTFLogChannelState state) |
| 518 | { |
| 519 | for (size_t i = 0; i < channelCount; ++i) |
| 520 | channels[i]->state = state; |
| 521 | } |
| 522 | |
| 523 | void WTFInitializeLogChannelStatesFromString(WTFLogChannel* channels[], size_t count, const char* logLevel) |
| 524 | { |
| 525 | #if !RELEASE_LOG_DISABLED |
| 526 | for (size_t i = 0; i < count; ++i) { |
| 527 | WTFLogChannel* channel = channels[i]; |
| 528 | channel->osLogChannel = os_log_create(channel->subsystem, channel->name); |
| 529 | } |
| 530 | #endif |
| 531 | |
| 532 | for (auto& logLevelComponent : String(logLevel).split(',')) { |
| 533 | Vector<String> componentInfo = logLevelComponent.split('='); |
| 534 | String component = componentInfo[0].stripWhiteSpace(); |
| 535 | |
| 536 | WTFLogChannelState logChannelState = WTFLogChannelState::On; |
| 537 | if (component.startsWith('-')) { |
| 538 | logChannelState = WTFLogChannelState::Off; |
| 539 | component = component.substring(1); |
| 540 | } |
| 541 | |
| 542 | if (equalLettersIgnoringASCIICase(component, "all" )) { |
| 543 | setStateOfAllChannels(channels, count, logChannelState); |
| 544 | continue; |
| 545 | } |
| 546 | |
| 547 | WTFLogLevel logChannelLevel = WTFLogLevel::Error; |
| 548 | if (componentInfo.size() > 1) { |
| 549 | String level = componentInfo[1].stripWhiteSpace(); |
| 550 | if (equalLettersIgnoringASCIICase(level, "error" )) |
| 551 | logChannelLevel = WTFLogLevel::Error; |
| 552 | else if (equalLettersIgnoringASCIICase(level, "warning" )) |
| 553 | logChannelLevel = WTFLogLevel::Warning; |
| 554 | else if (equalLettersIgnoringASCIICase(level, "info" )) |
| 555 | logChannelLevel = WTFLogLevel::Info; |
| 556 | else if (equalLettersIgnoringASCIICase(level, "debug" )) |
| 557 | logChannelLevel = WTFLogLevel::Debug; |
| 558 | else |
| 559 | WTFLogAlways("Unknown logging level: %s" , level.utf8().data()); |
| 560 | } |
| 561 | |
| 562 | if (WTFLogChannel* channel = WTFLogChannelByName(channels, count, component.utf8().data())) { |
| 563 | channel->state = logChannelState; |
| 564 | channel->level = logChannelLevel; |
| 565 | } else |
| 566 | WTFLogAlways("Unknown logging channel: %s" , component.utf8().data()); |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | #if !RELEASE_LOG_DISABLED |
| 571 | void WTFReleaseLogStackTrace(WTFLogChannel* channel) |
| 572 | { |
| 573 | auto stackTrace = WTF::StackTrace::captureStackTrace(30, 0); |
| 574 | if (stackTrace && stackTrace->stack()) { |
| 575 | auto stack = stackTrace->stack(); |
| 576 | for (int frameNumber = 1; frameNumber < stackTrace->size(); ++frameNumber) { |
| 577 | auto stackFrame = stack[frameNumber]; |
| 578 | auto demangled = WTF::StackTrace::demangle(stackFrame); |
| 579 | if (demangled && demangled->demangledName()) |
| 580 | os_log(channel->osLogChannel, "%-3d %p %{public}s" , frameNumber, stackFrame, demangled->demangledName()); |
| 581 | else if (demangled && demangled->mangledName()) |
| 582 | os_log(channel->osLogChannel, "%-3d %p %{public}s" , frameNumber, stackFrame, demangled->mangledName()); |
| 583 | else |
| 584 | os_log(channel->osLogChannel, "%-3d %p" , frameNumber, stackFrame); |
| 585 | } |
| 586 | } |
| 587 | } |
| 588 | #endif |
| 589 | |
| 590 | } // extern "C" |
| 591 | |
| 592 | #if OS(DARWIN) && (CPU(X86_64) || CPU(ARM64)) |
| 593 | #if CPU(X86_64) |
| 594 | |
| 595 | #define CRASH_INST "int3" |
| 596 | |
| 597 | // This ordering was chosen to be consistent with JSC's JIT asserts. We probably shouldn't change this ordering |
| 598 | // since it would make tooling crash reports much harder. If, for whatever reason, we decide to change the ordering |
| 599 | // here we should update the abortWithuint64_t functions. |
| 600 | #define CRASH_GPR0 "r11" |
| 601 | #define CRASH_GPR1 "r10" |
| 602 | #define CRASH_GPR2 "r9" |
| 603 | #define CRASH_GPR3 "r8" |
| 604 | #define CRASH_GPR4 "r15" |
| 605 | #define CRASH_GPR5 "r14" |
| 606 | #define CRASH_GPR6 "r13" |
| 607 | |
| 608 | #elif CPU(ARM64) // CPU(X86_64) |
| 609 | |
| 610 | #define CRASH_INST "brk #0" |
| 611 | |
| 612 | // See comment above on the ordering. |
| 613 | #define CRASH_GPR0 "x16" |
| 614 | #define CRASH_GPR1 "x17" |
| 615 | #define CRASH_GPR2 "x18" |
| 616 | #define CRASH_GPR3 "x19" |
| 617 | #define CRASH_GPR4 "x20" |
| 618 | #define CRASH_GPR5 "x21" |
| 619 | #define CRASH_GPR6 "x22" |
| 620 | |
| 621 | #endif // CPU(ARM64) |
| 622 | |
| 623 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2, uint64_t misc3, uint64_t misc4, uint64_t misc5, uint64_t misc6) |
| 624 | { |
| 625 | register uint64_t reasonGPR asm(CRASH_GPR0) = reason; |
| 626 | register uint64_t misc1GPR asm(CRASH_GPR1) = misc1; |
| 627 | register uint64_t misc2GPR asm(CRASH_GPR2) = misc2; |
| 628 | register uint64_t misc3GPR asm(CRASH_GPR3) = misc3; |
| 629 | register uint64_t misc4GPR asm(CRASH_GPR4) = misc4; |
| 630 | register uint64_t misc5GPR asm(CRASH_GPR5) = misc5; |
| 631 | register uint64_t misc6GPR asm(CRASH_GPR6) = misc6; |
| 632 | __asm__ volatile (CRASH_INST : : "r" (reasonGPR), "r" (misc1GPR), "r" (misc2GPR), "r" (misc3GPR), "r" (misc4GPR), "r" (misc5GPR), "r" (misc6GPR)); |
| 633 | __builtin_unreachable(); |
| 634 | } |
| 635 | |
| 636 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2, uint64_t misc3, uint64_t misc4, uint64_t misc5) |
| 637 | { |
| 638 | register uint64_t reasonGPR asm(CRASH_GPR0) = reason; |
| 639 | register uint64_t misc1GPR asm(CRASH_GPR1) = misc1; |
| 640 | register uint64_t misc2GPR asm(CRASH_GPR2) = misc2; |
| 641 | register uint64_t misc3GPR asm(CRASH_GPR3) = misc3; |
| 642 | register uint64_t misc4GPR asm(CRASH_GPR4) = misc4; |
| 643 | register uint64_t misc5GPR asm(CRASH_GPR5) = misc5; |
| 644 | __asm__ volatile (CRASH_INST : : "r" (reasonGPR), "r" (misc1GPR), "r" (misc2GPR), "r" (misc3GPR), "r" (misc4GPR), "r" (misc5GPR)); |
| 645 | __builtin_unreachable(); |
| 646 | } |
| 647 | |
| 648 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2, uint64_t misc3, uint64_t misc4) |
| 649 | { |
| 650 | register uint64_t reasonGPR asm(CRASH_GPR0) = reason; |
| 651 | register uint64_t misc1GPR asm(CRASH_GPR1) = misc1; |
| 652 | register uint64_t misc2GPR asm(CRASH_GPR2) = misc2; |
| 653 | register uint64_t misc3GPR asm(CRASH_GPR3) = misc3; |
| 654 | register uint64_t misc4GPR asm(CRASH_GPR4) = misc4; |
| 655 | __asm__ volatile (CRASH_INST : : "r" (reasonGPR), "r" (misc1GPR), "r" (misc2GPR), "r" (misc3GPR), "r" (misc4GPR)); |
| 656 | __builtin_unreachable(); |
| 657 | } |
| 658 | |
| 659 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2, uint64_t misc3) |
| 660 | { |
| 661 | register uint64_t reasonGPR asm(CRASH_GPR0) = reason; |
| 662 | register uint64_t misc1GPR asm(CRASH_GPR1) = misc1; |
| 663 | register uint64_t misc2GPR asm(CRASH_GPR2) = misc2; |
| 664 | register uint64_t misc3GPR asm(CRASH_GPR3) = misc3; |
| 665 | __asm__ volatile (CRASH_INST : : "r" (reasonGPR), "r" (misc1GPR), "r" (misc2GPR), "r" (misc3GPR)); |
| 666 | __builtin_unreachable(); |
| 667 | } |
| 668 | |
| 669 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2) |
| 670 | { |
| 671 | register uint64_t reasonGPR asm(CRASH_GPR0) = reason; |
| 672 | register uint64_t misc1GPR asm(CRASH_GPR1) = misc1; |
| 673 | register uint64_t misc2GPR asm(CRASH_GPR2) = misc2; |
| 674 | __asm__ volatile (CRASH_INST : : "r" (reasonGPR), "r" (misc1GPR), "r" (misc2GPR)); |
| 675 | __builtin_unreachable(); |
| 676 | } |
| 677 | |
| 678 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t reason, uint64_t misc1) |
| 679 | { |
| 680 | register uint64_t reasonGPR asm(CRASH_GPR0) = reason; |
| 681 | register uint64_t misc1GPR asm(CRASH_GPR1) = misc1; |
| 682 | __asm__ volatile (CRASH_INST : : "r" (reasonGPR), "r" (misc1GPR)); |
| 683 | __builtin_unreachable(); |
| 684 | } |
| 685 | |
| 686 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t reason) |
| 687 | { |
| 688 | register uint64_t reasonGPR asm(CRASH_GPR0) = reason; |
| 689 | __asm__ volatile (CRASH_INST : : "r" (reasonGPR)); |
| 690 | __builtin_unreachable(); |
| 691 | } |
| 692 | |
| 693 | #else |
| 694 | |
| 695 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t) { CRASH(); } |
| 696 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t) { CRASH(); } |
| 697 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t) { CRASH(); } |
| 698 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t, uint64_t) { CRASH(); } |
| 699 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t) { CRASH(); } |
| 700 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t, uint64_t) { CRASH(); } |
| 701 | void WTFCrashWithInfo(int, const char*, const char*, int, uint64_t) { CRASH(); } |
| 702 | |
| 703 | #endif // OS(DARWIN) && (CPU(X64_64) || CPU(ARM64)) |
| 704 | |
| 705 | namespace WTF { |
| 706 | |
| 707 | void resetAccumulatedLogs() |
| 708 | { |
| 709 | loggingAccumulator().resetAccumulatedLogs(); |
| 710 | } |
| 711 | |
| 712 | String getAndResetAccumulatedLogs() |
| 713 | { |
| 714 | return loggingAccumulator().getAndResetAccumulatedLogs(); |
| 715 | } |
| 716 | |
| 717 | } // namespace WTF |
| 718 | |