File: Assertions.cpp

package info (click to toggle)
webkit2gtk 2.48.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 429,620 kB
  • sloc: cpp: 3,696,936; javascript: 194,444; ansic: 169,997; python: 46,499; asm: 19,276; ruby: 18,528; perl: 16,602; xml: 4,650; yacc: 2,360; sh: 2,098; java: 1,993; lex: 1,327; pascal: 366; makefile: 298
file content (746 lines) | stat: -rw-r--r-- 24,364 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
/*
 * Copyright (C) 2003-2024 Apple Inc.  All rights reserved.
 * Copyright (C) 2007-2009 Torch Mobile, Inc.
 * Copyright (C) 2011 University of Szeged. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include <wtf/Assertions.h>

#include <mutex>
#include <stdio.h>
#include <string.h>
#include <wtf/Compiler.h>
#include <wtf/Lock.h>
#include <wtf/Locker.h>
#include <wtf/LoggingAccumulator.h>
#include <wtf/PrintStream.h>
#include <wtf/StackTrace.h>
#include <wtf/StdLibExtras.h>
#include <wtf/WTFConfig.h>
#include <wtf/text/CString.h>
#include <wtf/text/MakeString.h>
#include <wtf/text/StringBuilder.h>
#include <wtf/text/StringCommon.h>
#include <wtf/text/WTFString.h>

#if USE(CF)
#include <CoreFoundation/CFString.h>
#endif // USE(CF)

#if OS(WINDOWS)
#include <crtdbg.h>
#include <windows.h>
#endif

#if OS(DARWIN)
#include <sys/sysctl.h>
#include <unistd.h>
#endif

#if !RELEASE_LOG_DISABLED && !USE(OS_LOG)
#include <wtf/StringPrintStream.h>
#endif

#if PLATFORM(COCOA)
#import <wtf/spi/cocoa/OSLogSPI.h>
#endif

WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN

namespace WTF {

WTF_ATTRIBUTE_PRINTF(1, 0)
static String createWithFormatAndArguments(const char* format, va_list args)
{
    va_list argsCopy;
    va_copy(argsCopy, args);

ALLOW_NONLITERAL_FORMAT_BEGIN

#if USE(CF)
    if (contains(unsafeSpan(format), "%@"_span)) {
        auto cfFormat = adoptCF(CFStringCreateWithCStringNoCopy(kCFAllocatorDefault, format, kCFStringEncodingUTF8, kCFAllocatorNull));
        auto result = adoptCF(CFStringCreateWithFormatAndArguments(kCFAllocatorDefault, nullptr, cfFormat.get(), args));
        va_end(argsCopy);
        return result.get();
    }
#endif

    // Do the format once to get the length.
#if OS(WINDOWS)
    int result = _vscprintf(format, args);
#else
    char ch;
    int result = vsnprintf(&ch, 1, format, args);
#endif

    if (!result) {
        va_end(argsCopy);
        return emptyString();
    }
    if (result < 0) {
        va_end(argsCopy);
        return { };
    }

    Vector<char, 256> buffer;
    buffer.grow(result + 1);

    // Now do the formatting again, guaranteed to fit.
    vsnprintf(buffer.data(), buffer.size(), format, argsCopy);
    va_end(argsCopy);

ALLOW_NONLITERAL_FORMAT_END

    return StringImpl::create(buffer.subspan(0, buffer.size() - 1));
}

#if PLATFORM(COCOA)
void disableForwardingVPrintfStdErrToOSLog()
{
    g_wtfConfig.disableForwardingVPrintfStdErrToOSLog = true;
}
#endif

} // namespace WTF

extern "C" {

#if PLATFORM(COCOA)
static os_log_t webkitSubsystemForGenericOSLog()
{
    static dispatch_once_t once;
    static os_log_t subsystem;
    dispatch_once(&once, ^{
        subsystem = os_log_create(LOG_CHANNEL_WEBKIT_SUBSYSTEM, "Generic");
    });
    return subsystem;
}
#endif

static void logToStderr([[maybe_unused]] WTFLogChannel* channel, const char* buffer)
{
#if PLATFORM(COCOA)
    os_log(channel ? channel->osLogChannel : webkitSubsystemForGenericOSLog(), "%s", buffer);
#endif
    fputs(buffer, stderr);
}

WTF_ATTRIBUTE_PRINTF(2, 0)
static void vprintf_stderr_common([[maybe_unused]] WTFLogChannel* channel, const char* format, va_list args)
{
#if USE(CF)
    if (contains(unsafeSpan(format), "%@"_span)) {
        auto cfFormat = adoptCF(CFStringCreateWithCStringNoCopy(nullptr, format, kCFStringEncodingUTF8, kCFAllocatorNull));

ALLOW_NONLITERAL_FORMAT_BEGIN
        auto str = adoptCF(CFStringCreateWithFormatAndArguments(nullptr, nullptr, cfFormat.get(), args));
ALLOW_NONLITERAL_FORMAT_END
        CFIndex length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str.get()), kCFStringEncodingUTF8);
        constexpr unsigned InitialBufferSize { 256 };
        Vector<char, InitialBufferSize> buffer(length + 1);

        CFStringGetCString(str.get(), buffer.data(), length, kCFStringEncodingUTF8);

        logToStderr(channel, buffer.data());
        return;
    }

#if PLATFORM(COCOA)
    if (!g_wtfConfig.disableForwardingVPrintfStdErrToOSLog) {
        os_log_t osLogChannel = channel ? channel->osLogChannel : webkitSubsystemForGenericOSLog();
        va_list copyOfArgs;
        va_copy(copyOfArgs, args);
        os_log_with_args(osLogChannel, OS_LOG_TYPE_DEFAULT, format, copyOfArgs, __builtin_return_address(0));
        va_end(copyOfArgs);
    }
#endif

    // Fall through to write to stderr in the same manner as other platforms.

#elif HAVE(ISDEBUGGERPRESENT)
    if (IsDebuggerPresent()) {
        size_t size = 1024;
        Vector<char> buffer(size);
        do {
            buffer.grow(size);
            if (vsnprintf(buffer.data(), size, format, args) != -1) {
                OutputDebugStringA(buffer.data());
                break;
            }
            size *= 2;
        } while (size > 1024);
    }
#endif
    vfprintf(stderr, format, args);
}

WTF_ATTRIBUTE_PRINTF(2, 0)
static void vprintf_stderr_with_prefix(const char* rawPrefix, const char* rawFormat, va_list args)
{
    auto prefix = unsafeSpan(rawPrefix);
    auto format = unsafeSpan(rawFormat);
    Vector<char> formatWithPrefix(prefix.size() + format.size() + 1);
    memcpySpan(formatWithPrefix.mutableSpan(), prefix);
    memcpySpan(formatWithPrefix.mutableSpan().subspan(prefix.size()), format);
    formatWithPrefix[prefix.size() + format.size()] = 0;

ALLOW_NONLITERAL_FORMAT_BEGIN
    vprintf_stderr_common(nullptr, formatWithPrefix.data(), args);
ALLOW_NONLITERAL_FORMAT_END
}

WTF_ATTRIBUTE_PRINTF(2, 0)
static void vprintf_stderr_with_trailing_newline(WTFLogChannel* channel, const char* rawFormat, va_list args)
{
    auto format = unsafeSpan(rawFormat);
    if (!format.empty() && format.back() == '\n') {
        vprintf_stderr_common(channel, rawFormat, args);
        return;
    }

    Vector<char> formatWithNewline(format.size() + 2);
    memcpySpan(formatWithNewline.mutableSpan(), format);
    formatWithNewline[format.size()] = '\n';
    formatWithNewline[format.size() + 1] = 0;

ALLOW_NONLITERAL_FORMAT_BEGIN
    vprintf_stderr_common(channel, formatWithNewline.data(), args);
ALLOW_NONLITERAL_FORMAT_END
}

WTF_ATTRIBUTE_PRINTF(1, 2)
static void printf_stderr_common(const char* format, ...)
{
    va_list args;
    va_start(args, format);
    vprintf_stderr_common(nullptr, format, args);
    va_end(args);
}

static void printCallSite(const char* file, int line, const char* function)
{
#if OS(WINDOWS) && defined(_DEBUG)
    _CrtDbgReport(_CRT_WARN, file, line, NULL, "%s\n", function);
#else
    // By using this format, which matches the format used by MSVC for compiler errors, developers
    // using Visual Studio can double-click the file/line number in the Output Window to have the
    // editor navigate to that line of code. It seems fine for other developers, too.
    printf_stderr_common("%s(%d) : %s\n", file, line, function);
#endif
}

void WTFReportNotImplementedYet(const char* file, int line, const char* function)
{
    printf_stderr_common("NOT IMPLEMENTED YET\n");
    printCallSite(file, line, function);
}

void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion)
{
    if (assertion)
        printf_stderr_common("ASSERTION FAILED: %s\n", assertion);
    else
        printf_stderr_common("SHOULD NEVER BE REACHED\n");
    printCallSite(file, line, function);
}

void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...)
{
    va_list args;
    va_start(args, format);
    vprintf_stderr_with_prefix("ASSERTION FAILED: ", format, args);
    va_end(args);
    printf_stderr_common("\n%s\n", assertion);
    printCallSite(file, line, function);
}

void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion)
{
    printf_stderr_common("ARGUMENT BAD: %s, %s\n", argName, assertion);
    printCallSite(file, line, function);
}

class CrashLogPrintStream final : public PrintStream {
public:
    WTF_ATTRIBUTE_PRINTF(2, 0)
    void vprintf(const char* format, va_list argList) final
    {
        vprintf_stderr_common(nullptr, format, argList);
    }
};

void WTFReportBacktraceWithPrefix(const char* prefix)
{
    CrashLogPrintStream out;
    WTFReportBacktraceWithPrefixAndPrintStream(out, prefix);
}

static constexpr int kDefaultFramesToShow = 31;
static constexpr int kDefaultFramesToSkip = 2;

void WTFReportBacktraceWithStackDepth(int framesToShow)
{
    WTFReportBacktraceWithPrefixAndStackDepth("", framesToShow);
}

void WTFReportBacktraceWithPrefixAndStackDepth(const char* prefix, int framesToShow)
{
    int frames = framesToShow + kDefaultFramesToSkip;
    Vector<void*> samples;
    samples.resize(frames);

    WTFGetBacktrace(samples.data(), &frames);
    CrashLogPrintStream out;
    if (frames > kDefaultFramesToSkip)
        WTFPrintBacktraceWithPrefixAndPrintStream(out, samples.subspan(kDefaultFramesToSkip, framesToShow), prefix);
    else
        out.print("%sno stacktrace available", prefix);
}

void WTFReportBacktraceWithPrefixAndPrintStream(PrintStream& out, const char* prefix)
{
    std::array<void*, kDefaultFramesToShow + kDefaultFramesToSkip> samples;
    int frames = samples.size();

    WTFGetBacktrace(samples.data(), &frames);
    if (frames > kDefaultFramesToSkip)
        WTFPrintBacktraceWithPrefixAndPrintStream(out, std::span { samples }.subspan(kDefaultFramesToSkip, frames - kDefaultFramesToSkip), prefix);
    else
        out.print("%sno stacktrace available", prefix);
}

void WTFReportBacktrace()
{
    std::array<void*, kDefaultFramesToShow + kDefaultFramesToSkip> samples;
    int frames = kDefaultFramesToShow + kDefaultFramesToSkip;

    WTFGetBacktrace(samples.data(), &frames);
    if (frames > kDefaultFramesToSkip)
        WTFPrintBacktrace(std::span { samples }.subspan(kDefaultFramesToSkip, frames - kDefaultFramesToSkip));
    else
        CrashLogPrintStream { }.print("no stacktrace available");
}

void WTFPrintBacktraceWithPrefixAndPrintStream(PrintStream& out, std::span<void* const> stack, const char* prefix)
{
    out.print(StackTracePrinter { stack, prefix });
}

void WTFPrintBacktrace(std::span<void* const> stack)
{
    CrashLogPrintStream out;
    WTFPrintBacktraceWithPrefixAndPrintStream(out, stack, "");
}

#if !defined(NDEBUG) || !(OS(DARWIN) || PLATFORM(PLAYSTATION))
void WTFCrash()
{
#if ASAN_ENABLED
    __builtin_trap();
#elif OS(DARWIN) && CPU(ARM64)
    WTFBreakpointTrap();
    __builtin_trap(); // Suppress NO_RETURN_DUE_TO_CRASH warning.
#else
    *(int *)(uintptr_t)0xbbadbeef = 0;
    // More reliable, but doesn't say BBADBEEF.
    __builtin_trap();
#endif // ASAN_ENABLED
}
#else
// We need to keep WTFCrash() around (even on non-debug OS(DARWIN) builds) as a workaround
// for presently shipping (circa early 2016) SafariForWebKitDevelopment binaries which still
// expects to link to it.
void WTFCrash()
{
    CRASH();
}
#endif // !defined(NDEBUG) || !(OS(DARWIN) || PLATFORM(PLAYSTATION))

#if ENABLE(CONJECTURE_ASSERT)
int wtfConjectureAssertIsEnabled = 0;

void WTFCrashDueToConjectureAssert(const char* file, int line, const char* function, const char* assertion)
{
    printf_stderr_common("CONJECTURE ASSERTION FAILED: %s\n", assertion);
    printCallSite(file, line, function);
    WTFReportBacktrace();
    CRASH();
}
#endif

void WTFCrashWithSecurityImplication()
{
    CRASH();
}

bool WTFIsDebuggerAttached()
{
#if OS(DARWIN)
    struct kinfo_proc info;
    int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() };
    size_t size = sizeof(info);
    if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &info, &size, nullptr, 0) == -1)
        return false;
    return info.kp_proc.p_flag & P_TRACED;
#else
    return false;
#endif
}

void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...)
{
    va_list args;
    va_start(args, format);
    vprintf_stderr_with_prefix("FATAL ERROR: ", format, args);
    va_end(args);
    printf_stderr_common("\n");
    printCallSite(file, line, function);
}

void WTFReportError(const char* file, int line, const char* function, const char* format, ...)
{
    va_list args;
    va_start(args, format);
    vprintf_stderr_with_prefix("ERROR: ", format, args);
    va_end(args);
    printf_stderr_common("\n");
    printCallSite(file, line, function);
}

class WTFLoggingAccumulator {
    WTF_MAKE_FAST_ALLOCATED;
public:
    void accumulate(const String&);
    void resetAccumulatedLogs();
    String getAndResetAccumulatedLogs();

private:
    Lock accumulatorLock;
    StringBuilder loggingAccumulator WTF_GUARDED_BY_LOCK(accumulatorLock);
};

void WTFLoggingAccumulator::accumulate(const String& log)
{
    Locker locker { accumulatorLock };
    loggingAccumulator.append(log);
}

void WTFLoggingAccumulator::resetAccumulatedLogs()
{
    Locker locker { accumulatorLock };
    loggingAccumulator.clear();
}

String WTFLoggingAccumulator::getAndResetAccumulatedLogs()
{
    Locker locker { accumulatorLock };
    String result = loggingAccumulator.toString();
    loggingAccumulator.clear();
    return result;
}

static WTFLoggingAccumulator& loggingAccumulator()
{
    static WTFLoggingAccumulator* accumulator;
    static std::once_flag initializeAccumulatorOnce;
    std::call_once(initializeAccumulatorOnce, [] {
        accumulator = new WTFLoggingAccumulator;
    });

    return *accumulator;
}

void WTFSetLogChannelLevel(WTFLogChannel* channel, WTFLogLevel level)
{
    channel->level = level;
}

bool WTFWillLogWithLevel(WTFLogChannel* channel, WTFLogLevel level)
{
    return channel->level >= level && channel->state != WTFLogChannelState::Off;
}

void WTFLogWithLevel(WTFLogChannel* channel, WTFLogLevel level, const char* format, ...)
{
    if (level != WTFLogLevel::Always && level > channel->level)
        return;

    if (channel->level != WTFLogLevel::Always && channel->state == WTFLogChannelState::Off)
        return;

    va_list args;
    va_start(args, format);

ALLOW_NONLITERAL_FORMAT_BEGIN
    WTFLog(channel, format, args);
ALLOW_NONLITERAL_FORMAT_END

    va_end(args);
}

WTF_ATTRIBUTE_PRINTF(2, 0)
static void WTFLogVaList(WTFLogChannel* channel, const char* format, va_list args)
{
    if (channel->state == WTFLogChannelState::Off)
        return;

    if (channel->state == WTFLogChannelState::On) {
        vprintf_stderr_with_trailing_newline(channel, format, args);
        return;
    }

    ASSERT(channel->state == WTFLogChannelState::OnWithAccumulation);

ALLOW_NONLITERAL_FORMAT_BEGIN
    String loggingString = WTF::createWithFormatAndArguments(format, args);
ALLOW_NONLITERAL_FORMAT_END

    if (!loggingString.endsWith('\n'))
        loggingString = makeString(loggingString, '\n');

    loggingAccumulator().accumulate(loggingString);

    logToStderr(channel, loggingString.utf8().data());
}

void WTFLog(WTFLogChannel* channel, const char* format, ...)
{
    va_list args;
    va_start(args, format);

    WTFLogVaList(channel, format, args);

    va_end(args);
}

void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel* channel, const char* format, ...)
{
    if (channel->state != WTFLogChannelState::On)
        return;

    va_list args;
    va_start(args, format);

ALLOW_NONLITERAL_FORMAT_BEGIN
    WTFLogVaList(channel, format, args);
ALLOW_NONLITERAL_FORMAT_END

    va_end(args);

    printCallSite(file, line, function);
}

void WTFLogAlwaysV(const char* format, va_list args)
{
    vprintf_stderr_with_trailing_newline(nullptr, format, args);
}

void WTFLogAlways(const char* format, ...)
{
    va_list args;
    va_start(args, format);
    WTFLogAlwaysV(format, args);
    va_end(args);
}

void WTFLogAlwaysAndCrash(const char* format, ...)
{
    va_list args;
    va_start(args, format);
    WTFLogAlwaysV(format, args);
    va_end(args);
    CRASH();
}

WTFLogChannel* WTFLogChannelByName(WTFLogChannel* channels[], size_t count, const char* name)
{
    for (size_t i = 0; i < count; ++i) {
        WTFLogChannel* channel = channels[i];
        if (equalIgnoringASCIICase(name, channel->name))
            return channel;
    }

    return nullptr;
}

static void setStateOfAllChannels(WTFLogChannel* channels[], size_t channelCount, WTFLogChannelState state)
{
    for (size_t i = 0; i < channelCount; ++i)
        channels[i]->state = state;
}

void WTFInitializeLogChannelStatesFromString(WTFLogChannel* channels[], size_t count, const char* logLevel)
{
#if USE(OS_LOG) && !RELEASE_LOG_DISABLED
    for (size_t i = 0; i < count; ++i) {
        WTFLogChannel* channel = channels[i];
        channel->osLogChannel = os_log_create(channel->subsystem, channel->name);
    }
#endif

    for (auto logLevelComponent : StringView::fromLatin1(logLevel).split(',')) {
        auto componentInfo = logLevelComponent.split('=');
        auto it = componentInfo.begin();
        if (it == componentInfo.end())
            continue;

        auto component = (*it).trim(isUnicodeCompatibleASCIIWhitespace<UChar>);

        WTFLogChannelState logChannelState = WTFLogChannelState::On;
        if (component.startsWith('-')) {
            logChannelState = WTFLogChannelState::Off;
            component = component.substring(1);
        }

        if (equalLettersIgnoringASCIICase(component, "all"_s)) {
            setStateOfAllChannels(channels, count, logChannelState);
            continue;
        }

        WTFLogLevel logChannelLevel = WTFLogLevel::Error;
        if (++it != componentInfo.end()) {
            auto level = (*it).trim(isUnicodeCompatibleASCIIWhitespace<UChar>);
            if (equalLettersIgnoringASCIICase(level, "error"_s))
                logChannelLevel = WTFLogLevel::Error;
            else if (equalLettersIgnoringASCIICase(level, "warning"_s))
                logChannelLevel = WTFLogLevel::Warning;
            else if (equalLettersIgnoringASCIICase(level, "info"_s))
                logChannelLevel = WTFLogLevel::Info;
            else if (equalLettersIgnoringASCIICase(level, "debug"_s))
                logChannelLevel = WTFLogLevel::Debug;
            else
                WTFLogAlways("Unknown logging level: %s", level.utf8().data());
        }

        if (WTFLogChannel* channel = WTFLogChannelByName(channels, count, component.utf8().data())) {
            channel->state = logChannelState;
            channel->level = logChannelLevel;
        } else
            WTFLogAlways("Unknown logging channel: %s", component.utf8().data());
    }
}

} // extern "C"

#if (OS(DARWIN) || PLATFORM(PLAYSTATION)) && (CPU(X86_64) || CPU(ARM64))

void WTFCrashWithInfoImpl(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)
{
    register uint64_t reasonGPR asm(CRASH_GPR0) = reason;
    register uint64_t misc1GPR asm(CRASH_GPR1) = misc1;
    register uint64_t misc2GPR asm(CRASH_GPR2) = misc2;
    register uint64_t misc3GPR asm(CRASH_GPR3) = misc3;
    register uint64_t misc4GPR asm(CRASH_GPR4) = misc4;
    register uint64_t misc5GPR asm(CRASH_GPR5) = misc5;
    register uint64_t misc6GPR asm(CRASH_GPR6) = misc6;
    __asm__ volatile (WTF_FATAL_CRASH_INST : : "r"(reasonGPR), "r"(misc1GPR), "r"(misc2GPR), "r"(misc3GPR), "r"(misc4GPR), "r"(misc5GPR), "r"(misc6GPR));
    __builtin_unreachable();
}

void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2, uint64_t misc3, uint64_t misc4, uint64_t misc5)
{
    register uint64_t reasonGPR asm(CRASH_GPR0) = reason;
    register uint64_t misc1GPR asm(CRASH_GPR1) = misc1;
    register uint64_t misc2GPR asm(CRASH_GPR2) = misc2;
    register uint64_t misc3GPR asm(CRASH_GPR3) = misc3;
    register uint64_t misc4GPR asm(CRASH_GPR4) = misc4;
    register uint64_t misc5GPR asm(CRASH_GPR5) = misc5;
    __asm__ volatile (WTF_FATAL_CRASH_INST : : "r"(reasonGPR), "r"(misc1GPR), "r"(misc2GPR), "r"(misc3GPR), "r"(misc4GPR), "r"(misc5GPR));
    __builtin_unreachable();
}

void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2, uint64_t misc3, uint64_t misc4)
{
    register uint64_t reasonGPR asm(CRASH_GPR0) = reason;
    register uint64_t misc1GPR asm(CRASH_GPR1) = misc1;
    register uint64_t misc2GPR asm(CRASH_GPR2) = misc2;
    register uint64_t misc3GPR asm(CRASH_GPR3) = misc3;
    register uint64_t misc4GPR asm(CRASH_GPR4) = misc4;
    __asm__ volatile (WTF_FATAL_CRASH_INST : : "r"(reasonGPR), "r"(misc1GPR), "r"(misc2GPR), "r"(misc3GPR), "r"(misc4GPR));
    __builtin_unreachable();
}

void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2, uint64_t misc3)
{
    register uint64_t reasonGPR asm(CRASH_GPR0) = reason;
    register uint64_t misc1GPR asm(CRASH_GPR1) = misc1;
    register uint64_t misc2GPR asm(CRASH_GPR2) = misc2;
    register uint64_t misc3GPR asm(CRASH_GPR3) = misc3;
    __asm__ volatile (WTF_FATAL_CRASH_INST : : "r"(reasonGPR), "r"(misc1GPR), "r"(misc2GPR), "r"(misc3GPR));
    __builtin_unreachable();
}

void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t reason, uint64_t misc1, uint64_t misc2)
{
    register uint64_t reasonGPR asm(CRASH_GPR0) = reason;
    register uint64_t misc1GPR asm(CRASH_GPR1) = misc1;
    register uint64_t misc2GPR asm(CRASH_GPR2) = misc2;
    __asm__ volatile (WTF_FATAL_CRASH_INST : : "r"(reasonGPR), "r"(misc1GPR), "r"(misc2GPR));
    __builtin_unreachable();
}

void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t reason, uint64_t misc1)
{
    register uint64_t reasonGPR asm(CRASH_GPR0) = reason;
    register uint64_t misc1GPR asm(CRASH_GPR1) = misc1;
    __asm__ volatile (WTF_FATAL_CRASH_INST : : "r"(reasonGPR), "r"(misc1GPR));
    __builtin_unreachable();
}

void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t reason)
{
    register uint64_t reasonGPR asm(CRASH_GPR0) = reason;
    __asm__ volatile (WTF_FATAL_CRASH_INST : : "r"(reasonGPR));
    __builtin_unreachable();
}

#else

void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t) { CRASH(); }
void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t) { CRASH(); }
void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t, uint64_t, uint64_t) { CRASH(); }
void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t, uint64_t) { CRASH(); }
void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t, uint64_t, uint64_t) { CRASH(); }
void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t, uint64_t) { CRASH(); }
void WTFCrashWithInfoImpl(int, const char*, const char*, int, uint64_t) { CRASH(); }

#endif // (OS(DARWIN) || PLATFORM(PLAYSTATION)) && (CPU(X64_64) || CPU(ARM64))

namespace WTF {

void resetAccumulatedLogs()
{
    loggingAccumulator().resetAccumulatedLogs();
}

String getAndResetAccumulatedLogs()
{
    return loggingAccumulator().getAndResetAccumulatedLogs();
}

} // namespace WTF

WTF_ALLOW_UNSAFE_BUFFER_USAGE_END