1/*
2 * Copyright (C) 2006-2019 Apple Inc. All rights reserved.
3 * Copyright (C) 2007-2009 Torch Mobile, Inc.
4 * Copyright (C) 2010, 2011 Research In Motion Limited. 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#pragma once
29
30/* Include compiler specific macros */
31#include <wtf/Compiler.h>
32
33/* ==== PLATFORM handles OS, operating environment, graphics API, and
34 CPU. This macro will be phased out in favor of platform adaptation
35 macros, policy decision macros, and top-level port definitions. ==== */
36#define PLATFORM(WTF_FEATURE) (defined WTF_PLATFORM_##WTF_FEATURE && WTF_PLATFORM_##WTF_FEATURE)
37
38
39/* ==== Platform adaptation macros: these describe properties of the target environment. ==== */
40
41/* CPU() - the target CPU architecture */
42#define CPU(WTF_FEATURE) (defined WTF_CPU_##WTF_FEATURE && WTF_CPU_##WTF_FEATURE)
43/* HAVE() - specific system features (headers, functions or similar) that are present or not */
44#define HAVE(WTF_FEATURE) (defined HAVE_##WTF_FEATURE && HAVE_##WTF_FEATURE)
45/* OS() - underlying operating system; only to be used for mandated low-level services like
46 virtual memory, not to choose a GUI toolkit */
47#define OS(WTF_FEATURE) (defined WTF_OS_##WTF_FEATURE && WTF_OS_##WTF_FEATURE)
48
49
50/* ==== Policy decision macros: these define policy choices for a particular port. ==== */
51
52/* USE() - use a particular third-party library or optional OS service */
53#define USE(WTF_FEATURE) (defined USE_##WTF_FEATURE && USE_##WTF_FEATURE)
54/* ENABLE() - turn on a specific feature of WebKit */
55#define ENABLE(WTF_FEATURE) (defined ENABLE_##WTF_FEATURE && ENABLE_##WTF_FEATURE)
56
57
58/* ==== CPU() - the target CPU architecture ==== */
59/* CPU(KNOWN) becomes true if we explicitly support a target CPU. */
60
61/* CPU(MIPS) - MIPS 32-bit and 64-bit */
62#if (defined(mips) || defined(__mips__) || defined(MIPS) || defined(_MIPS_) || defined(__mips64))
63#if defined(_ABI64) && (_MIPS_SIM == _ABI64)
64#define WTF_CPU_MIPS64 1
65#define WTF_MIPS_ARCH __mips64
66#else
67#define WTF_CPU_MIPS 1
68#define WTF_MIPS_ARCH __mips
69#endif
70#define WTF_CPU_KNOWN 1
71#define WTF_MIPS_PIC (defined __PIC__)
72#define WTF_MIPS_ISA(v) (defined WTF_MIPS_ARCH && WTF_MIPS_ARCH == v)
73#define WTF_MIPS_ISA_AT_LEAST(v) (defined WTF_MIPS_ARCH && WTF_MIPS_ARCH >= v)
74#define WTF_MIPS_ARCH_REV __mips_isa_rev
75#define WTF_MIPS_ISA_REV(v) (defined WTF_MIPS_ARCH_REV && WTF_MIPS_ARCH_REV == v)
76#define WTF_MIPS_ISA_REV_AT_LEAST(v) (defined WTF_MIPS_ARCH_REV && WTF_MIPS_ARCH_REV >= v)
77#define WTF_MIPS_DOUBLE_FLOAT (defined __mips_hard_float && !defined __mips_single_float)
78#define WTF_MIPS_FP64 (defined __mips_fpr && __mips_fpr == 64)
79/* MIPS requires allocators to use aligned memory */
80#define USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
81#endif /* MIPS */
82
83/* CPU(PPC64) - PowerPC 64-bit Big Endian */
84#if ( defined(__ppc64__) \
85 || defined(__PPC64__)) \
86 && defined(__BYTE_ORDER__) \
87 && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
88#define WTF_CPU_PPC64 1
89#define WTF_CPU_KNOWN 1
90#endif
91
92/* CPU(PPC64LE) - PowerPC 64-bit Little Endian */
93#if ( defined(__ppc64__) \
94 || defined(__PPC64__) \
95 || defined(__ppc64le__) \
96 || defined(__PPC64LE__)) \
97 && defined(__BYTE_ORDER__) \
98 && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
99#define WTF_CPU_PPC64LE 1
100#define WTF_CPU_KNOWN 1
101#endif
102
103/* CPU(PPC) - PowerPC 32-bit */
104#if ( defined(__ppc__) \
105 || defined(__PPC__) \
106 || defined(__powerpc__) \
107 || defined(__powerpc) \
108 || defined(__POWERPC__) \
109 || defined(_M_PPC) \
110 || defined(__PPC)) \
111 && !CPU(PPC64) \
112 && CPU(BIG_ENDIAN)
113#define WTF_CPU_PPC 1
114#define WTF_CPU_KNOWN 1
115#endif
116
117/* CPU(X86) - i386 / x86 32-bit */
118#if defined(__i386__) \
119 || defined(i386) \
120 || defined(_M_IX86) \
121 || defined(_X86_) \
122 || defined(__THW_INTEL)
123#define WTF_CPU_X86 1
124#define WTF_CPU_KNOWN 1
125
126#if defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP >= 2)
127#define WTF_CPU_X86_SSE2 1
128#endif
129
130#endif
131
132/* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */
133#if defined(__x86_64__) \
134 || defined(_M_X64)
135#define WTF_CPU_X86_64 1
136#define WTF_CPU_X86_SSE2 1
137#define WTF_CPU_KNOWN 1
138#endif
139
140/* CPU(ARM64) - Apple */
141#if (defined(__arm64__) && defined(__APPLE__)) || defined(__aarch64__)
142#define WTF_CPU_ARM64 1
143#define WTF_CPU_KNOWN 1
144
145#if defined(__arm64e__)
146#define WTF_CPU_ARM64E 1
147#endif
148#endif
149
150/* CPU(ARM) - ARM, any version*/
151#define WTF_ARM_ARCH_AT_LEAST(N) (CPU(ARM) && WTF_ARM_ARCH_VERSION >= N)
152
153#if defined(arm) \
154 || defined(__arm__) \
155 || defined(ARM) \
156 || defined(_ARM_)
157#define WTF_CPU_ARM 1
158#define WTF_CPU_KNOWN 1
159
160#if defined(__ARM_PCS_VFP)
161#define WTF_CPU_ARM_HARDFP 1
162#endif
163
164/* Set WTF_ARM_ARCH_VERSION */
165#if defined(__ARM_ARCH_4__) \
166 || defined(__ARM_ARCH_4T__) \
167 || defined(__MARM_ARMV4__)
168#define WTF_ARM_ARCH_VERSION 4
169
170#elif defined(__ARM_ARCH_5__) \
171 || defined(__ARM_ARCH_5T__) \
172 || defined(__MARM_ARMV5__)
173#define WTF_ARM_ARCH_VERSION 5
174
175#elif defined(__ARM_ARCH_5E__) \
176 || defined(__ARM_ARCH_5TE__) \
177 || defined(__ARM_ARCH_5TEJ__)
178#define WTF_ARM_ARCH_VERSION 5
179/*ARMv5TE requires allocators to use aligned memory*/
180#define USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
181
182#elif defined(__ARM_ARCH_6__) \
183 || defined(__ARM_ARCH_6J__) \
184 || defined(__ARM_ARCH_6K__) \
185 || defined(__ARM_ARCH_6Z__) \
186 || defined(__ARM_ARCH_6ZK__) \
187 || defined(__ARM_ARCH_6T2__) \
188 || defined(__ARMV6__)
189#define WTF_ARM_ARCH_VERSION 6
190
191#elif defined(__ARM_ARCH_7A__) \
192 || defined(__ARM_ARCH_7K__) \
193 || defined(__ARM_ARCH_7R__) \
194 || defined(__ARM_ARCH_7S__)
195#define WTF_ARM_ARCH_VERSION 7
196
197#elif defined(__ARM_ARCH_8__) \
198 || defined(__ARM_ARCH_8A__)
199#define WTF_ARM_ARCH_VERSION 8
200
201/* MSVC sets _M_ARM */
202#elif defined(_M_ARM)
203#define WTF_ARM_ARCH_VERSION _M_ARM
204
205/* RVCT sets _TARGET_ARCH_ARM */
206#elif defined(__TARGET_ARCH_ARM)
207#define WTF_ARM_ARCH_VERSION __TARGET_ARCH_ARM
208
209#if defined(__TARGET_ARCH_5E) \
210 || defined(__TARGET_ARCH_5TE) \
211 || defined(__TARGET_ARCH_5TEJ)
212/*ARMv5TE requires allocators to use aligned memory*/
213#define USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
214#endif
215
216#else
217#define WTF_ARM_ARCH_VERSION 0
218
219#endif
220
221/* Set WTF_THUMB_ARCH_VERSION */
222#if defined(__ARM_ARCH_4T__)
223#define WTF_THUMB_ARCH_VERSION 1
224
225#elif defined(__ARM_ARCH_5T__) \
226 || defined(__ARM_ARCH_5TE__) \
227 || defined(__ARM_ARCH_5TEJ__)
228#define WTF_THUMB_ARCH_VERSION 2
229
230#elif defined(__ARM_ARCH_6J__) \
231 || defined(__ARM_ARCH_6K__) \
232 || defined(__ARM_ARCH_6Z__) \
233 || defined(__ARM_ARCH_6ZK__) \
234 || defined(__ARM_ARCH_6M__)
235#define WTF_THUMB_ARCH_VERSION 3
236
237#elif defined(__ARM_ARCH_6T2__) \
238 || defined(__ARM_ARCH_7__) \
239 || defined(__ARM_ARCH_7A__) \
240 || defined(__ARM_ARCH_7K__) \
241 || defined(__ARM_ARCH_7M__) \
242 || defined(__ARM_ARCH_7R__) \
243 || defined(__ARM_ARCH_7S__)
244#define WTF_THUMB_ARCH_VERSION 4
245
246/* RVCT sets __TARGET_ARCH_THUMB */
247#elif defined(__TARGET_ARCH_THUMB)
248#define WTF_THUMB_ARCH_VERSION __TARGET_ARCH_THUMB
249
250#else
251#define WTF_THUMB_ARCH_VERSION 0
252#endif
253
254
255/* CPU(ARMV5_OR_LOWER) - ARM instruction set v5 or earlier */
256/* On ARMv5 and below the natural alignment is required.
257 And there are some other differences for v5 or earlier. */
258#if !defined(ARMV5_OR_LOWER) && !WTF_ARM_ARCH_AT_LEAST(6)
259#define WTF_CPU_ARMV5_OR_LOWER 1
260#endif
261
262
263/* CPU(ARM_TRADITIONAL) - Thumb2 is not available, only traditional ARM (v4 or greater) */
264/* CPU(ARM_THUMB2) - Thumb2 instruction set is available */
265/* Only one of these will be defined. */
266#if !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2)
267# if defined(thumb2) || defined(__thumb2__) \
268 || ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4)
269# define WTF_CPU_ARM_TRADITIONAL 0
270# define WTF_CPU_ARM_THUMB2 1
271# elif WTF_ARM_ARCH_AT_LEAST(4)
272# define WTF_CPU_ARM_TRADITIONAL 1
273# define WTF_CPU_ARM_THUMB2 0
274# else
275# error "Not supported ARM architecture"
276# endif
277#elif CPU(ARM_TRADITIONAL) && CPU(ARM_THUMB2) /* Sanity Check */
278# error "Cannot use both of WTF_CPU_ARM_TRADITIONAL and WTF_CPU_ARM_THUMB2 platforms"
279#endif /* !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2) */
280
281#if defined(__ARM_NEON__) && !defined(WTF_CPU_ARM_NEON)
282#define WTF_CPU_ARM_NEON 1
283#endif
284
285#if CPU(ARM_NEON)
286/* All NEON intrinsics usage can be disabled by this macro. */
287#define HAVE_ARM_NEON_INTRINSICS 1
288#endif
289
290#if (defined(__VFP_FP__) && !defined(__SOFTFP__))
291#define WTF_CPU_ARM_VFP 1
292#endif
293
294/* If CPU(ARM_NEON) is not enabled, we'll conservatively assume only VFP2 or VFPv3D16
295 support is available. Hence, only the first 16 64-bit floating point registers
296 are available. See:
297 NEON registers: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473c/CJACABEJ.html
298 VFP2 and VFP3 registers: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473c/CIHDIBDG.html
299 NEON to VFP register mapping: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473c/CJAIJHFC.html
300*/
301#if CPU(ARM_NEON)
302#define WTF_CPU_ARM_VFP_V3_D32 1
303#else
304#define WTF_CPU_ARM_VFP_V2 1
305#endif
306
307#if defined(__ARM_ARCH_7K__)
308#define WTF_CPU_APPLE_ARMV7K 1
309#endif
310
311#if defined(__ARM_ARCH_7S__)
312#define WTF_CPU_APPLE_ARMV7S 1
313#endif
314
315#if defined(__ARM_ARCH_EXT_IDIV__) || CPU(APPLE_ARMV7S)
316#define HAVE_ARM_IDIV_INSTRUCTIONS 1
317#endif
318
319#endif /* ARM */
320
321#if !CPU(KNOWN)
322#define WTF_CPU_UNKNOWN 1
323#endif
324
325#if CPU(ARM) || CPU(MIPS) || CPU(UNKNOWN)
326#define WTF_CPU_NEEDS_ALIGNED_ACCESS 1
327#endif
328
329#if COMPILER(GCC_COMPATIBLE)
330/* __LP64__ is not defined on 64bit Windows since it uses LLP64. Using __SIZEOF_POINTER__ is simpler. */
331#if __SIZEOF_POINTER__ == 8
332#define WTF_CPU_ADDRESS64 1
333#elif __SIZEOF_POINTER__ == 4
334#define WTF_CPU_ADDRESS32 1
335#else
336#error "Unsupported pointer width"
337#endif
338#elif COMPILER(MSVC)
339#if defined(_WIN64)
340#define WTF_CPU_ADDRESS64 1
341#else
342#define WTF_CPU_ADDRESS32 1
343#endif
344#else
345/* This is the most generic way. But in OS(DARWIN), Platform.h can be included by sandbox definition file (.sb).
346 * At that time, we cannot include "stdint.h" header. So in the case of known compilers, we use predefined constants instead. */
347#include <stdint.h>
348#if UINTPTR_MAX > UINT32_MAX
349#define WTF_CPU_ADDRESS64 1
350#else
351#define WTF_CPU_ADDRESS32 1
352#endif
353#endif
354
355/* ==== OS() - underlying operating system; only to be used for mandated low-level services like
356 virtual memory, not to choose a GUI toolkit ==== */
357
358/* OS(AIX) - AIX */
359#ifdef _AIX
360#define WTF_OS_AIX 1
361#endif
362
363/* OS(DARWIN) - Any Darwin-based OS, including Mac OS X and iPhone OS */
364#ifdef __APPLE__
365#define WTF_OS_DARWIN 1
366
367#include <Availability.h>
368#include <AvailabilityMacros.h>
369#include <TargetConditionals.h>
370#endif
371
372/* OS(IOS_FAMILY) - iOS family, including iOS, iOSMac, tvOS, watchOS */
373/* OS(IOS) - iOS only, not including iOSMac */
374/* OS(MAC_OS_X) - macOS (not including iOS family) */
375#if OS(DARWIN)
376#if TARGET_OS_IOS && !(defined(TARGET_OS_IOSMAC) && TARGET_OS_IOSMAC)
377#define WTF_OS_IOS 1
378#endif
379#if TARGET_OS_IPHONE
380#define WTF_OS_IOS_FAMILY 1
381#elif TARGET_OS_MAC
382#define WTF_OS_MAC_OS_X 1
383#endif
384#endif
385
386/* OS(FREEBSD) - FreeBSD */
387#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
388#define WTF_OS_FREEBSD 1
389#endif
390
391/* OS(FUCHSIA) - Fuchsia */
392#ifdef __Fuchsia__
393#define WTF_OS_FUCHSIA 1
394#endif
395
396/* OS(HURD) - GNU/Hurd */
397#ifdef __GNU__
398#define WTF_OS_HURD 1
399#endif
400
401/* OS(LINUX) - Linux */
402#ifdef __linux__
403#define WTF_OS_LINUX 1
404#endif
405
406/* OS(NETBSD) - NetBSD */
407#if defined(__NetBSD__)
408#define WTF_OS_NETBSD 1
409#endif
410
411/* OS(OPENBSD) - OpenBSD */
412#ifdef __OpenBSD__
413#define WTF_OS_OPENBSD 1
414#endif
415
416/* OS(WINDOWS) - Any version of Windows */
417#if defined(WIN32) || defined(_WIN32)
418#define WTF_OS_WINDOWS 1
419#endif
420
421#define WTF_OS_WIN ERROR "USE WINDOWS WITH OS NOT WIN"
422#define WTF_OS_MAC ERROR "USE MAC_OS_X WITH OS NOT MAC"
423
424/* OS(UNIX) - Any Unix-like system */
425#if OS(AIX) \
426 || OS(DARWIN) \
427 || OS(FREEBSD) \
428 || OS(FUCHSIA) \
429 || OS(HURD) \
430 || OS(LINUX) \
431 || OS(NETBSD) \
432 || OS(OPENBSD) \
433 || defined(unix) \
434 || defined(__unix) \
435 || defined(__unix__)
436#define WTF_OS_UNIX 1
437#endif
438
439/* Operating environments */
440
441/* CPU(BIG_ENDIAN) or CPU(MIDDLE_ENDIAN) or neither, as appropriate. */
442
443#if COMPILER(GCC_COMPATIBLE)
444#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
445#define WTF_CPU_BIG_ENDIAN 1
446#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
447#define WTF_CPU_LITTLE_ENDIAN 1
448#elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
449#define WTF_CPU_MIDDLE_ENDIAN 1
450#else
451#error "Unknown endian"
452#endif
453#else
454#if OS(WINDOWS)
455/* Windows only have little endian architecture. */
456#define WTF_CPU_LITTLE_ENDIAN 1
457#else
458#include <sys/types.h>
459#if __has_include(<endian.h>)
460#include <endian.h>
461#if __BYTE_ORDER == __BIG_ENDIAN
462#define WTF_CPU_BIG_ENDIAN 1
463#elif __BYTE_ORDER == __LITTLE_ENDIAN
464#define WTF_CPU_LITTLE_ENDIAN 1
465#elif __BYTE_ORDER == __PDP_ENDIAN
466#define WTF_CPU_MIDDLE_ENDIAN 1
467#else
468#error "Unknown endian"
469#endif
470#else
471#if __has_include(<machine/endian.h>)
472#include <machine/endian.h>
473#else
474#include <sys/endian.h>
475#endif
476#if BYTE_ORDER == BIG_ENDIAN
477#define WTF_CPU_BIG_ENDIAN 1
478#elif BYTE_ORDER == LITTLE_ENDIAN
479#define WTF_CPU_LITTLE_ENDIAN 1
480#elif BYTE_ORDER == PDP_ENDIAN
481#define WTF_CPU_MIDDLE_ENDIAN 1
482#else
483#error "Unknown endian"
484#endif
485#endif
486#endif
487#endif
488
489#if !CPU(LITTLE_ENDIAN) && !CPU(BIG_ENDIAN)
490#error "Unsupported endian"
491#endif
492
493/* Export macro support. Detects the attributes available for shared library symbol export
494 decorations. */
495#if OS(WINDOWS) || (COMPILER_HAS_CLANG_DECLSPEC(dllimport) && COMPILER_HAS_CLANG_DECLSPEC(dllexport))
496#define USE_DECLSPEC_ATTRIBUTE 1
497#define USE_VISIBILITY_ATTRIBUTE 0
498#elif defined(__GNUC__)
499#define USE_DECLSPEC_ATTRIBUTE 0
500#define USE_VISIBILITY_ATTRIBUTE 1
501#else
502#define USE_DECLSPEC_ATTRIBUTE 0
503#define USE_VISIBILITY_ATTRIBUTE 0
504#endif
505
506/* Standard libraries */
507#if defined(HAVE_FEATURES_H) && HAVE_FEATURES_H
508/* If the included features.h is glibc's one, __GLIBC__ is defined. */
509#include <features.h>
510#endif
511
512/* FIXME: these are all mixes of OS, operating environment and policy choices. */
513/* PLATFORM(GTK) */
514/* PLATFORM(MAC) */
515/* PLATFORM(IOS) */
516/* PLATFORM(IOS_FAMILY) */
517/* PLATFORM(IOS_SIMULATOR) */
518/* PLATFORM(IOS_FAMILY_SIMULATOR) */
519/* PLATFORM(WIN) */
520#if defined(BUILDING_GTK__)
521#define WTF_PLATFORM_GTK 1
522#elif defined(BUILDING_WPE__)
523#define WTF_PLATFORM_WPE 1
524#elif defined(BUILDING_JSCONLY__)
525/* JSCOnly does not provide PLATFORM() macro */
526#elif OS(MAC_OS_X)
527#define WTF_PLATFORM_MAC 1
528#elif OS(IOS_FAMILY)
529#if OS(IOS)
530#define WTF_PLATFORM_IOS 1
531#endif
532#define WTF_PLATFORM_IOS_FAMILY 1
533#if TARGET_OS_SIMULATOR
534#if OS(IOS)
535#define WTF_PLATFORM_IOS_SIMULATOR 1
536#endif
537#define WTF_PLATFORM_IOS_FAMILY_SIMULATOR 1
538#endif
539#if defined(TARGET_OS_IOSMAC) && TARGET_OS_IOSMAC
540#define WTF_PLATFORM_IOSMAC 1
541#endif
542#elif OS(WINDOWS)
543#define WTF_PLATFORM_WIN 1
544#endif
545
546/* PLATFORM(COCOA) */
547#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
548#define WTF_PLATFORM_COCOA 1
549#endif
550
551#if PLATFORM(COCOA)
552#if defined __has_include && __has_include(<CoreFoundation/CFPriv.h>)
553#define USE_APPLE_INTERNAL_SDK 1
554#endif
555#endif
556
557/* PLATFORM(APPLETV) */
558#if defined(TARGET_OS_TV) && TARGET_OS_TV
559#define WTF_PLATFORM_APPLETV 1
560#endif
561
562/* PLATFORM(WATCHOS) */
563#if defined(TARGET_OS_WATCH) && TARGET_OS_WATCH
564#define WTF_PLATFORM_WATCHOS 1
565#endif
566
567/* Graphics engines */
568
569/* USE(CG) and PLATFORM(CI) */
570#if PLATFORM(COCOA)
571#define USE_CG 1
572#define USE_CA 1
573#endif
574
575#if PLATFORM(GTK) || PLATFORM(WPE)
576#define USE_GLIB 1
577#define USE_FREETYPE 1
578#define USE_HARFBUZZ 1
579#define USE_SOUP 1
580#define USE_WEBP 1
581#define USE_FILE_LOCK 1
582#endif
583
584#if PLATFORM(GTK)
585#define GLIB_VERSION_MIN_REQUIRED GLIB_VERSION_2_36
586#endif
587
588#if PLATFORM(WPE)
589#define GLIB_VERSION_MIN_REQUIRED GLIB_VERSION_2_40
590#endif
591
592#if PLATFORM(GTK) && !defined(GTK_API_VERSION_2)
593#define GDK_VERSION_MIN_REQUIRED GDK_VERSION_3_6
594#endif
595
596#if USE(SOUP)
597#define SOUP_VERSION_MIN_REQUIRED SOUP_VERSION_2_42
598#endif
599
600/* On Windows, use QueryPerformanceCounter by default */
601#if OS(WINDOWS)
602#define USE_QUERY_PERFORMANCE_COUNTER 1
603#endif
604
605#if PLATFORM(COCOA)
606
607#define HAVE_OUT_OF_PROCESS_LAYER_HOSTING 1
608#define USE_CF 1
609#define USE_FILE_LOCK 1
610#define USE_FOUNDATION 1
611#define USE_NETWORK_CFDATA_ARRAY_CALLBACK 1
612
613/* Cocoa defines a series of platform macros for debugging. */
614/* Some of them are really annoying because they use common names (e.g. check()). */
615/* Disable those macros so that we are not limited in how we name methods and functions. */
616#undef __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES
617#define __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES 0
618
619#endif
620
621#if PLATFORM(MAC)
622
623#define HAVE_RUNLOOP_TIMER 1
624#define HAVE_SEC_KEYCHAIN 1
625#define USE_APPKIT 1
626#define USE_PASSKIT 1
627
628#if CPU(X86_64)
629#define HAVE_NETWORK_EXTENSION 1
630#define USE_PLUGIN_HOST_PROCESS 1
631#endif
632#endif /* PLATFORM(MAC) */
633
634#if PLATFORM(IOS_FAMILY)
635
636#define HAVE_NETWORK_EXTENSION 1
637#define HAVE_READLINE 1
638#define USE_UIKIT_EDITING 1
639#define USE_WEB_THREAD 1
640
641#if CPU(ARM64)
642#define ENABLE_JIT_CONSTANT_BLINDING 0
643#endif
644
645#if CPU(ARM_NEON)
646#undef HAVE_ARM_NEON_INTRINSICS
647#define HAVE_ARM_NEON_INTRINSICS 0
648#endif
649
650#endif /* PLATFORM(IOS_FAMILY) */
651
652#if !defined(HAVE_ACCESSIBILITY)
653#if PLATFORM(COCOA) || PLATFORM(WIN) || PLATFORM(GTK) || PLATFORM(WPE)
654#define HAVE_ACCESSIBILITY 1
655#endif
656#endif /* !defined(HAVE_ACCESSIBILITY) */
657
658/* FIXME: Remove after CMake build enabled on Darwin */
659#if OS(DARWIN)
660#define HAVE_ERRNO_H 1
661#define HAVE_LANGINFO_H 1
662#define HAVE_LOCALTIME_R 1
663#define HAVE_MMAP 1
664#define HAVE_REGEX_H 1
665#define HAVE_SIGNAL_H 1
666#define HAVE_STAT_BIRTHTIME 1
667#define HAVE_STRINGS_H 1
668#define HAVE_STRNSTR 1
669#define HAVE_SYS_PARAM_H 1
670#define HAVE_SYS_TIME_H 1
671#define HAVE_TM_GMTOFF 1
672#define HAVE_TM_ZONE 1
673#define HAVE_TIMEGM 1
674#define HAVE_PTHREAD_MAIN_NP 1
675
676#if CPU(X86_64) || CPU(ARM64)
677#define HAVE_INT128_T 1
678#endif
679#endif /* OS(DARWIN) */
680
681#if OS(UNIX)
682#define USE_PTHREADS 1
683#endif /* OS(UNIX) */
684
685#if OS(UNIX) && !OS(FUCHSIA)
686#define HAVE_RESOURCE_H 1
687#define HAVE_PTHREAD_SETSCHEDPARAM 1
688#endif
689
690#if OS(DARWIN)
691#define HAVE_DISPATCH_H 1
692#define HAVE_MADV_FREE 1
693#define HAVE_MADV_FREE_REUSE 1
694#define HAVE_MADV_DONTNEED 1
695#define HAVE_MERGESORT 1
696#define HAVE_PTHREAD_SETNAME_NP 1
697#define HAVE_READLINE 1
698#define HAVE_SYS_TIMEB_H 1
699
700#if __has_include(<mach/mach_exc.defs>) && !PLATFORM(GTK)
701#define HAVE_MACH_EXCEPTIONS 1
702#endif
703
704#if !PLATFORM(GTK)
705#define USE_ACCELERATE 1
706#endif
707#if !PLATFORM(IOS_FAMILY)
708#define HAVE_HOSTED_CORE_ANIMATION 1
709#endif
710
711#endif /* OS(DARWIN) */
712
713#if OS(DARWIN) || OS(FUCHSIA) || ((OS(FREEBSD) || defined(__GLIBC__) || defined(__BIONIC__)) && (CPU(X86) || CPU(X86_64) || CPU(ARM) || CPU(ARM64) || CPU(MIPS)))
714#define HAVE_MACHINE_CONTEXT 1
715#endif
716
717#if OS(DARWIN) || (OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))
718#define HAVE_BACKTRACE 1
719#endif
720
721#if OS(DARWIN) || OS(LINUX)
722#if PLATFORM(GTK)
723#if defined(__GLIBC__) && !defined(__UCLIBC__)
724#define HAVE_BACKTRACE_SYMBOLS 1
725#endif
726#endif /* PLATFORM(GTK) */
727#define HAVE_DLADDR 1
728#endif /* OS(DARWIN) || OS(LINUX) */
729
730
731/* ENABLE macro defaults */
732
733/* FIXME: move out all ENABLE() defines from here to FeatureDefines.h */
734
735#if USE(APPLE_INTERNAL_SDK) && __has_include(<WebKitAdditions/AdditionalPlatform.h>)
736#include <WebKitAdditions/AdditionalPlatform.h>
737#endif
738
739#if USE(APPLE_INTERNAL_SDK) && __has_include(<WebKitAdditions/AdditionalFeatureDefines.h>)
740#include <WebKitAdditions/AdditionalFeatureDefines.h>
741#endif
742
743/* Include feature macros */
744#include <wtf/FeatureDefines.h>
745
746#if OS(WINDOWS)
747#define USE_SYSTEM_MALLOC 1
748#endif
749
750#if CPU(ADDRESS64)
751#if OS(DARWIN) && CPU(ARM64)
752#define WTF_CPU_EFFECTIVE_ADDRESS_WIDTH 36
753#else
754/* We strongly assume that effective address width is <= 48 in 64bit architectures (e.g. NaN boxing). */
755#define WTF_CPU_EFFECTIVE_ADDRESS_WIDTH 48
756#endif
757#else
758#define WTF_CPU_EFFECTIVE_ADDRESS_WIDTH 32
759#endif
760
761#if !defined(USE_JSVALUE64) && !defined(USE_JSVALUE32_64)
762#if CPU(ADDRESS64) || CPU(ARM64)
763#define USE_JSVALUE64 1
764#else
765#define USE_JSVALUE32_64 1
766#endif
767#endif /* !defined(USE_JSVALUE64) && !defined(USE_JSVALUE32_64) */
768
769/* The JIT is enabled by default on all x86-64 & ARM64 platforms. */
770#if !defined(ENABLE_JIT) \
771 && (CPU(X86_64) || CPU(ARM64)) \
772 && !CPU(APPLE_ARMV7K)
773#define ENABLE_JIT 1
774#endif
775
776#if USE(JSVALUE32_64)
777#if (CPU(ARM_THUMB2) || CPU(MIPS)) && OS(LINUX)
778/* On ARMv7 and MIPS on Linux the JIT is enabled unless explicitly disabled. */
779#if !defined(ENABLE_JIT)
780#define ENABLE_JIT 1
781#endif
782#else
783/* Disable JIT and force C_LOOP on all other 32bit architectures. */
784#undef ENABLE_JIT
785#define ENABLE_JIT 0
786#undef ENABLE_C_LOOP
787#define ENABLE_C_LOOP 1
788#endif
789#endif
790
791#if !defined(ENABLE_C_LOOP)
792#if ENABLE(JIT) \
793 || CPU(X86_64) || (CPU(ARM64) && !defined(__ILP32__))
794#define ENABLE_C_LOOP 0
795#else
796#define ENABLE_C_LOOP 1
797#endif
798#endif
799
800/* The FTL *does not* work on 32-bit platforms. Disable it even if someone asked us to enable it. */
801#if USE(JSVALUE32_64)
802#undef ENABLE_FTL_JIT
803#define ENABLE_FTL_JIT 0
804#endif
805
806/* The FTL is disabled on the iOS simulator, mostly for simplicity. */
807#if PLATFORM(IOS_FAMILY_SIMULATOR)
808#undef ENABLE_FTL_JIT
809#define ENABLE_FTL_JIT 0
810#endif
811
812/* If possible, try to enable a disassembler. This is optional. We proceed in two
813 steps: first we try to find some disassembler that we can use, and then we
814 decide if the high-level disassembler API can be enabled. */
815#if !defined(USE_UDIS86) && ENABLE(JIT) && (CPU(X86) || CPU(X86_64)) && !USE(CAPSTONE)
816#define USE_UDIS86 1
817#endif
818
819#if !defined(USE_ARM64_DISASSEMBLER) && ENABLE(JIT) && CPU(ARM64) && !USE(CAPSTONE)
820#define USE_ARM64_DISASSEMBLER 1
821#endif
822
823#if !defined(ENABLE_DISASSEMBLER) && (USE(UDIS86) || USE(ARM64_DISASSEMBLER) || (ENABLE(JIT) && USE(CAPSTONE)))
824#define ENABLE_DISASSEMBLER 1
825#endif
826
827#if !defined(ENABLE_DFG_JIT) && ENABLE(JIT)
828/* Enable the DFG JIT on X86 and X86_64. */
829#if (CPU(X86) || CPU(X86_64)) && (OS(DARWIN) || OS(LINUX) || OS(FREEBSD) || OS(HURD) || OS(WINDOWS))
830#define ENABLE_DFG_JIT 1
831#endif
832/* Enable the DFG JIT on ARMv7. Only tested on iOS, Linux, and FreeBSD. */
833#if (CPU(ARM_THUMB2) || CPU(ARM64)) && (PLATFORM(IOS_FAMILY) || OS(LINUX) || OS(FREEBSD))
834#define ENABLE_DFG_JIT 1
835#endif
836/* Enable the DFG JIT on MIPS. */
837#if CPU(MIPS)
838#define ENABLE_DFG_JIT 1
839#endif
840#endif
841
842/* Concurrent JS only works on 64-bit platforms because it requires that
843 values get stored to atomically. This is trivially true on 64-bit platforms,
844 but not true at all on 32-bit platforms where values are composed of two
845 separate sub-values. */
846#if ENABLE(DFG_JIT) && USE(JSVALUE64)
847#define ENABLE_CONCURRENT_JS 1
848#endif
849
850#if __has_include(<System/pthread_machdep.h>)
851#define HAVE_FAST_TLS 1
852#endif
853
854#if (CPU(X86_64) || CPU(ARM64)) && HAVE(FAST_TLS)
855#define ENABLE_FAST_TLS_JIT 1
856#endif
857
858#if CPU(X86) || CPU(X86_64) || CPU(ARM_THUMB2) || CPU(ARM64) || CPU(MIPS)
859#define ENABLE_MASM_PROBE 1
860#else
861#define ENABLE_MASM_PROBE 0
862#endif
863
864#if !ENABLE(JIT)
865#undef ENABLE_MASM_PROBE
866#define ENABLE_MASM_PROBE 0
867#endif
868
869/* If the baseline jit is not available, then disable upper tiers as well.
870 The MacroAssembler::probe() is also required for supporting the upper tiers. */
871#if !ENABLE(JIT) || !ENABLE(MASM_PROBE)
872#undef ENABLE_DFG_JIT
873#undef ENABLE_FTL_JIT
874#define ENABLE_DFG_JIT 0
875#define ENABLE_FTL_JIT 0
876#endif
877
878/* If the DFG jit is not available, then disable upper tiers as well: */
879#if !ENABLE(DFG_JIT)
880#undef ENABLE_FTL_JIT
881#define ENABLE_FTL_JIT 0
882#endif
883
884/* This controls whether B3 is built. B3 is needed for FTL JIT and WebAssembly */
885#if ENABLE(FTL_JIT)
886#define ENABLE_B3_JIT 1
887#endif
888
889#if !defined(ENABLE_WEBASSEMBLY)
890#if ENABLE(B3_JIT) && PLATFORM(COCOA) && CPU(ADDRESS64)
891#define ENABLE_WEBASSEMBLY 1
892#else
893#define ENABLE_WEBASSEMBLY 0
894#endif
895#endif
896
897/* The SamplingProfiler is the probabilistic and low-overhead profiler used by
898 * JSC to measure where time is spent inside a JavaScript program.
899 * In configurations other than Windows and Darwin, because layout of mcontext_t depends on standard libraries (like glibc),
900 * sampling profiler is enabled if WebKit uses pthreads and glibc. */
901#if !defined(ENABLE_SAMPLING_PROFILER)
902#if !ENABLE(C_LOOP) && (OS(WINDOWS) || HAVE(MACHINE_CONTEXT))
903#define ENABLE_SAMPLING_PROFILER 1
904#else
905#define ENABLE_SAMPLING_PROFILER 0
906#endif
907#endif
908
909#if ENABLE(WEBASSEMBLY) && HAVE(MACHINE_CONTEXT)
910#define ENABLE_WEBASSEMBLY_FAST_MEMORY 1
911#endif
912
913/* Counts uses of write barriers using sampling counters. Be sure to also
914 set ENABLE_SAMPLING_COUNTERS to 1. */
915#if !defined(ENABLE_WRITE_BARRIER_PROFILING)
916#define ENABLE_WRITE_BARRIER_PROFILING 0
917#endif
918
919/* Logs all allocation-related activity that goes through fastMalloc or the
920 JSC GC (both cells and butterflies). Also logs marking. Note that this
921 isn't a completely accurate view of the heap since it doesn't include all
922 butterfly resize operations, doesn't tell you what is going on with weak
923 references (other than to tell you when they're marked), and doesn't
924 track direct mmap() allocations or things like JIT allocation. */
925#if !defined(ENABLE_ALLOCATION_LOGGING)
926#define ENABLE_ALLOCATION_LOGGING 0
927#endif
928
929/* Enable verification that that register allocations are not made within generated control flow.
930 Turned on for debug builds. */
931#if !defined(ENABLE_DFG_REGISTER_ALLOCATION_VALIDATION) && ENABLE(DFG_JIT)
932#if !defined(NDEBUG)
933#define ENABLE_DFG_REGISTER_ALLOCATION_VALIDATION 1
934#else
935#define ENABLE_DFG_REGISTER_ALLOCATION_VALIDATION 0
936#endif
937#endif
938
939/* Configure the JIT */
940#if CPU(X86) && COMPILER(MSVC)
941#define JSC_HOST_CALL __fastcall
942#elif CPU(X86) && COMPILER(GCC_COMPATIBLE)
943#define JSC_HOST_CALL __attribute__ ((fastcall))
944#else
945#define JSC_HOST_CALL
946#endif
947
948#if CPU(X86) && OS(WINDOWS)
949#define CALLING_CONVENTION_IS_STDCALL 1
950#ifndef CDECL
951#if COMPILER(MSVC)
952#define CDECL __cdecl
953#else
954#define CDECL __attribute__ ((__cdecl))
955#endif
956#endif
957#else
958#define CALLING_CONVENTION_IS_STDCALL 0
959#endif
960
961#if CPU(X86)
962#define WTF_COMPILER_SUPPORTS_FASTCALL_CALLING_CONVENTION 1
963#ifndef FASTCALL
964#if COMPILER(MSVC)
965#define FASTCALL __fastcall
966#else
967#define FASTCALL __attribute__ ((fastcall))
968#endif
969#endif
970#else
971#define WTF_COMPILER_SUPPORTS_FASTCALL_CALLING_CONVENTION 0
972#endif
973
974#if ENABLE(JIT) && CALLING_CONVENTION_IS_STDCALL
975#define JIT_OPERATION CDECL
976#else
977#define JIT_OPERATION
978#endif
979
980#if PLATFORM(IOS_FAMILY) && CPU(ARM64) && (!ENABLE(FAST_JIT_PERMISSIONS) || !CPU(ARM64E))
981#define ENABLE_SEPARATED_WX_HEAP 1
982#else
983#define ENABLE_SEPARATED_WX_HEAP 0
984#endif
985
986/* Configure the interpreter */
987#if COMPILER(GCC_COMPATIBLE)
988#define HAVE_COMPUTED_GOTO 1
989#endif
990
991/* Determine if we need to enable Computed Goto Opcodes or not: */
992#if HAVE(COMPUTED_GOTO) || !ENABLE(C_LOOP)
993#define ENABLE_COMPUTED_GOTO_OPCODES 1
994#endif
995
996#if !defined(USE_LLINT_EMBEDDED_OPCODE_ID) && !ENABLE(C_LOOP) && !COMPILER(MSVC) && \
997 (CPU(X86) || CPU(X86_64) || CPU(ARM64) || (CPU(ARM_THUMB2) && OS(DARWIN)))
998/* This feature works by embedding the OpcodeID in the 32 bit just before the generated LLint code
999 that executes each opcode. It cannot be supported by the CLoop since there's no way to embed the
1000 OpcodeID word in the CLoop's switch statement cases. It is also currently not implemented for MSVC.
1001*/
1002#define USE_LLINT_EMBEDDED_OPCODE_ID 1
1003#endif
1004
1005/* Regular Expression Tracing - Set to 1 to trace RegExp's in jsc. Results dumped at exit */
1006#define ENABLE_REGEXP_TRACING 0
1007
1008/* Yet Another Regex Runtime - turned on by default for JIT enabled ports. */
1009#if !defined(ENABLE_YARR_JIT) && ENABLE(JIT)
1010#define ENABLE_YARR_JIT 1
1011
1012/* Setting this flag compares JIT results with interpreter results. */
1013#define ENABLE_YARR_JIT_DEBUG 0
1014#endif
1015
1016#if ENABLE(YARR_JIT)
1017#if CPU(ARM64) || (CPU(X86_64) && !OS(WINDOWS))
1018/* Enable JIT'ing Regular Expressions that have nested parenthesis and back references. */
1019#define ENABLE_YARR_JIT_ALL_PARENS_EXPRESSIONS 1
1020#define ENABLE_YARR_JIT_BACKREFERENCES 1
1021#endif
1022#endif
1023
1024/* If either the JIT or the RegExp JIT is enabled, then the Assembler must be
1025 enabled as well: */
1026#if ENABLE(JIT) || ENABLE(YARR_JIT) || !ENABLE(C_LOOP)
1027#if defined(ENABLE_ASSEMBLER) && !ENABLE_ASSEMBLER
1028#error "Cannot enable the JIT or RegExp JIT without enabling the Assembler"
1029#else
1030#undef ENABLE_ASSEMBLER
1031#define ENABLE_ASSEMBLER 1
1032#endif
1033#endif
1034
1035/* If the Disassembler is enabled, then the Assembler must be enabled as well: */
1036#if ENABLE(DISASSEMBLER)
1037#if defined(ENABLE_ASSEMBLER) && !ENABLE_ASSEMBLER
1038#error "Cannot enable the Disassembler without enabling the Assembler"
1039#else
1040#undef ENABLE_ASSEMBLER
1041#define ENABLE_ASSEMBLER 1
1042#endif
1043#endif
1044
1045#ifndef ENABLE_EXCEPTION_SCOPE_VERIFICATION
1046#ifdef NDEBUG
1047#define ENABLE_EXCEPTION_SCOPE_VERIFICATION 0
1048#else
1049#define ENABLE_EXCEPTION_SCOPE_VERIFICATION 1
1050#endif
1051#endif
1052
1053#if ENABLE(DFG_JIT) && HAVE(MACHINE_CONTEXT) && (CPU(X86) || CPU(X86_64) || CPU(ARM64))
1054#define ENABLE_SIGNAL_BASED_VM_TRAPS 1
1055#endif
1056
1057/* CSS Selector JIT Compiler */
1058#if !defined(ENABLE_CSS_SELECTOR_JIT)
1059#if (CPU(X86_64) || CPU(ARM64) || (CPU(ARM_THUMB2) && PLATFORM(IOS_FAMILY))) && ENABLE(JIT) && (OS(DARWIN) || PLATFORM(GTK) || PLATFORM(WPE))
1060#define ENABLE_CSS_SELECTOR_JIT 1
1061#else
1062#define ENABLE_CSS_SELECTOR_JIT 0
1063#endif
1064#endif
1065
1066#if CPU(ARM64E) && OS(DARWIN)
1067#define HAVE_FJCVTZS_INSTRUCTION 1
1068#endif
1069
1070#if PLATFORM(IOS)
1071#define HAVE_APP_LINKS 1
1072#define USE_PASSKIT 1
1073#define USE_QUICK_LOOK 1
1074#define USE_SYSTEM_PREVIEW 1
1075#endif
1076
1077#if PLATFORM(IOS_FAMILY) && !PLATFORM(IOSMAC)
1078#define HAVE_CELESTIAL 1
1079#define HAVE_CORE_ANIMATION_RENDER_SERVER 1
1080#endif
1081
1082#if PLATFORM(IOS_FAMILY) && !PLATFORM(IOSMAC) && !PLATFORM(APPLETV)
1083#define HAVE_PARENTAL_CONTROLS_WITH_UNBLOCK_HANDLER 1
1084#endif
1085
1086#if PLATFORM(COCOA)
1087
1088#define USE_AVFOUNDATION 1
1089#define USE_PROTECTION_SPACE_AUTH_CALLBACK 1
1090
1091#if !PLATFORM(WATCHOS) && !PLATFORM(APPLETV) && !PLATFORM(IOSMAC)
1092#define ENABLE_DATA_DETECTION 1
1093#endif
1094
1095#if !PLATFORM(APPLETV)
1096#define HAVE_PARENTAL_CONTROLS 1
1097#endif
1098
1099#if !PLATFORM(APPLETV)
1100#define HAVE_AVKIT 1
1101#endif
1102
1103#if ENABLE(WEBGL)
1104#if PLATFORM(MAC)
1105#define USE_OPENGL 1
1106#define USE_OPENGL_ES 0
1107#elif PLATFORM(IOSMAC) && __has_include(<OpenGL/OpenGL.h>)
1108#define USE_OPENGL 1
1109#define USE_OPENGL_ES 0
1110#else
1111#define USE_OPENGL 0
1112#define USE_OPENGL_ES 1
1113#endif
1114#if PLATFORM(COCOA)
1115#ifndef GL_SILENCE_DEPRECATION
1116#define GL_SILENCE_DEPRECATION 1
1117#endif
1118#endif
1119#endif
1120
1121#define USE_METAL 1
1122
1123#if HAVE(ACCESSIBILITY)
1124#define USE_ACCESSIBILITY_CONTEXT_MENUS 1
1125#endif
1126
1127#endif
1128
1129#if ENABLE(WEBGL) && PLATFORM(WIN)
1130#define USE_OPENGL 1
1131#define USE_OPENGL_ES 1
1132#define USE_EGL 1
1133#endif
1134
1135#if USE(TEXTURE_MAPPER) && ENABLE(GRAPHICS_CONTEXT_3D) && !defined(USE_TEXTURE_MAPPER_GL)
1136#define USE_TEXTURE_MAPPER_GL 1
1137#endif
1138
1139#if CPU(ARM_THUMB2) || CPU(ARM64)
1140#define ENABLE_BRANCH_COMPACTION 1
1141#endif
1142
1143#if !defined(ENABLE_THREADING_LIBDISPATCH) && HAVE(DISPATCH_H)
1144#define ENABLE_THREADING_LIBDISPATCH 1
1145#elif !defined(ENABLE_THREADING_OPENMP) && defined(_OPENMP)
1146#define ENABLE_THREADING_OPENMP 1
1147#elif !defined(THREADING_GENERIC)
1148#define ENABLE_THREADING_GENERIC 1
1149#endif
1150
1151#if USE(GLIB)
1152#include <wtf/glib/GTypedefs.h>
1153#endif
1154
1155#if !defined(USE_EXPORT_MACROS) && (PLATFORM(COCOA) || OS(WINDOWS))
1156#define USE_EXPORT_MACROS 1
1157#endif
1158
1159#if PLATFORM(GTK) || PLATFORM(WPE)
1160#define USE_UNIX_DOMAIN_SOCKETS 1
1161#endif
1162
1163#if !defined(USE_IMLANG_FONT_LINK2)
1164#define USE_IMLANG_FONT_LINK2 1
1165#endif
1166
1167#if !defined(ENABLE_GC_VALIDATION) && !defined(NDEBUG)
1168#define ENABLE_GC_VALIDATION 1
1169#endif
1170
1171#if !defined(ENABLE_BINDING_INTEGRITY) && !OS(WINDOWS)
1172#define ENABLE_BINDING_INTEGRITY 1
1173#endif
1174
1175#if !defined(ENABLE_TREE_DEBUGGING)
1176#if !defined(NDEBUG)
1177#define ENABLE_TREE_DEBUGGING 1
1178#else
1179#define ENABLE_TREE_DEBUGGING 0
1180#endif
1181#endif
1182
1183#if PLATFORM(IOS_FAMILY) || PLATFORM(MAC)
1184#define USE_COREMEDIA 1
1185#define USE_VIDEOTOOLBOX 1
1186#define HAVE_AVFOUNDATION_VIDEO_OUTPUT 1
1187#define HAVE_CORE_VIDEO 1
1188#define HAVE_MEDIA_PLAYER 1
1189#endif
1190
1191#if PLATFORM(IOS_FAMILY) || PLATFORM(MAC)
1192#define HAVE_AVFOUNDATION_MEDIA_SELECTION_GROUP 1
1193#endif
1194
1195#if PLATFORM(IOS_FAMILY) || PLATFORM(MAC)
1196#define HAVE_AVFOUNDATION_LEGIBLE_OUTPUT_SUPPORT 1
1197#define HAVE_MEDIA_ACCESSIBILITY_FRAMEWORK 1
1198#endif
1199
1200#if PLATFORM(IOS_FAMILY) || PLATFORM(MAC)
1201#define HAVE_AVFOUNDATION_LOADER_DELEGATE 1
1202#endif
1203
1204#if !PLATFORM(WIN)
1205#define USE_REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR 1
1206#endif
1207
1208#if PLATFORM(MAC)
1209#define HAVE_APPLE_GRAPHICS_CONTROL 1
1210#define USE_COREAUDIO 1
1211#endif
1212
1213#if !defined(USE_ZLIB)
1214#define USE_ZLIB 1
1215#endif
1216
1217#ifndef HAVE_QOS_CLASSES
1218#if PLATFORM(COCOA)
1219#define HAVE_QOS_CLASSES 1
1220#endif
1221#endif
1222
1223#ifndef HAVE_VOUCHERS
1224#if PLATFORM(COCOA)
1225#define HAVE_VOUCHERS 1
1226#endif
1227#endif
1228
1229#define USE_GRAMMAR_CHECKING 1
1230
1231#if PLATFORM(COCOA) || PLATFORM(GTK)
1232#define USE_UNIFIED_TEXT_CHECKING 1
1233#endif
1234#if PLATFORM(MAC)
1235#define USE_AUTOMATIC_TEXT_REPLACEMENT 1
1236#endif
1237
1238#if PLATFORM(MAC)
1239/* Some platforms provide UI for suggesting autocorrection. */
1240#define USE_AUTOCORRECTION_PANEL 1
1241#endif
1242
1243#if PLATFORM(COCOA)
1244/* Some platforms use spelling and autocorrection markers to provide visual cue. On such platform, if word with marker is edited, we need to remove the marker. */
1245#define USE_MARKER_REMOVAL_UPON_EDITING 1
1246#endif
1247
1248#if PLATFORM(MAC)
1249#define USE_INSERTION_UNDO_GROUPING 1
1250#endif
1251
1252#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
1253#define HAVE_AVASSETREADER 1
1254#endif
1255
1256#if PLATFORM(COCOA)
1257#define HAVE_TIMINGDATAOPTIONS 1
1258#endif
1259
1260#if PLATFORM(COCOA)
1261#define USE_AUDIO_SESSION 1
1262#endif
1263
1264#if PLATFORM(COCOA) && !PLATFORM(IOS_FAMILY_SIMULATOR)
1265#define HAVE_IOSURFACE 1
1266#endif
1267
1268#if PLATFORM(IOS_FAMILY) && !PLATFORM(IOS_FAMILY_SIMULATOR) && !PLATFORM(IOSMAC)
1269#define HAVE_IOSURFACE_ACCELERATOR 1
1270#endif
1271
1272#if PLATFORM(COCOA)
1273#define ENABLE_RESOURCE_USAGE 1
1274#endif
1275
1276#if PLATFORM(GTK) || PLATFORM(WPE)
1277#undef ENABLE_OPENTYPE_VERTICAL
1278#define ENABLE_OPENTYPE_VERTICAL 1
1279#endif
1280
1281#if COMPILER(MSVC)
1282#undef __STDC_FORMAT_MACROS
1283#define __STDC_FORMAT_MACROS
1284#undef __STDC_LIMIT_MACROS
1285#define __STDC_LIMIT_MACROS
1286#endif
1287
1288#if PLATFORM(MAC)
1289#define HAVE_NS_ACTIVITY 1
1290#endif
1291
1292/* Disable SharedArrayBuffers until Spectre security concerns are mitigated. */
1293#define ENABLE_SHARED_ARRAY_BUFFER 0
1294
1295#if (OS(DARWIN) && USE(CG)) || (USE(FREETYPE) && !PLATFORM(GTK)) || (PLATFORM(WIN) && (USE(CG) || USE(CAIRO)))
1296#undef ENABLE_OPENTYPE_MATH
1297#define ENABLE_OPENTYPE_MATH 1
1298#endif
1299
1300/* Set TARGET_OS_IPHONE to 0 by default to allow using it as a guard
1301 * in cross-platform the same way as it is used in OS(DARWIN) code. */
1302#if !defined(TARGET_OS_IPHONE) && !OS(DARWIN)
1303#define TARGET_OS_IPHONE 0
1304#endif
1305
1306#if PLATFORM(COCOA)
1307#define USE_MEDIATOOLBOX 1
1308#endif
1309
1310#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
1311#define USE_OS_LOG 1
1312#if USE(APPLE_INTERNAL_SDK)
1313#define USE_OS_STATE 1
1314#endif
1315#endif
1316
1317#if PLATFORM(COCOA)
1318#define HAVE_SEC_TRUST_SERIALIZATION 1
1319#endif
1320
1321#if !defined(WTF_DEFAULT_EVENT_LOOP)
1322#define WTF_DEFAULT_EVENT_LOOP 1
1323#endif
1324
1325#if WTF_DEFAULT_EVENT_LOOP
1326#if USE(GLIB)
1327/* Use GLib's event loop abstraction. Primarily GTK port uses it. */
1328#define USE_GLIB_EVENT_LOOP 1
1329#elif OS(WINDOWS)
1330/* Use Windows message pump abstraction.
1331 * Even if the port is AppleWin, we use the Windows message pump system for the event loop,
1332 * so that USE(WINDOWS_EVENT_LOOP) && USE(CF) can be true.
1333 * And PLATFORM(WIN) and PLATFORM(GTK) are exclusive. If the port is GTK,
1334 * PLATFORM(WIN) should be false. And in that case, GLib's event loop is used.
1335 */
1336#define USE_WINDOWS_EVENT_LOOP 1
1337#elif PLATFORM(COCOA)
1338/* OS X and IOS. Use CoreFoundation & GCD abstraction. */
1339#define USE_COCOA_EVENT_LOOP 1
1340#else
1341#define USE_GENERIC_EVENT_LOOP 1
1342#endif
1343#endif
1344
1345#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
1346#define USE_MEDIAREMOTE 1
1347#endif
1348
1349#if COMPILER(MSVC)
1350/* Enable strict runtime stack buffer checks. */
1351#pragma strict_gs_check(on)
1352#endif
1353
1354#if PLATFORM(MAC)
1355#define HAVE_TOUCH_BAR 1
1356#define USE_DICTATION_ALTERNATIVES 1
1357
1358#if defined(__LP64__)
1359#define ENABLE_WEB_PLAYBACK_CONTROLS_MANAGER 1
1360#endif
1361#endif /* PLATFORM(MAC) */
1362
1363#if PLATFORM(COCOA) && ENABLE(WEB_RTC)
1364#define USE_LIBWEBRTC 1
1365#endif
1366
1367#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || PLATFORM(IOS) || PLATFORM(IOSMAC) || USE(GCRYPT)
1368#define HAVE_RSA_PSS 1
1369#endif
1370
1371#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || PLATFORM(IOS_FAMILY)
1372#define USE_SOURCE_APPLICATION_AUDIT_DATA 1
1373#endif
1374
1375#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1376#define HAVE_HSTS_STORAGE_PATH 1
1377#endif
1378
1379#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(IOS) || PLATFORM(IOSMAC)
1380#define HAVE_URL_FORMATTING 1
1381#endif
1382
1383#if !OS(WINDOWS)
1384#define HAVE_STACK_BOUNDS_FOR_NEW_THREAD 1
1385#endif
1386
1387#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || PLATFORM(IOS) || PLATFORM(IOSMAC)
1388#define HAVE_AVCONTENTKEYSESSION 1
1389#endif
1390
1391#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(IOS) || PLATFORM(IOSMAC)
1392#define HAVE_SEC_KEY_PROXY 1
1393#endif
1394
1395#if PLATFORM(COCOA) && USE(CA) && !PLATFORM(IOS_FAMILY_SIMULATOR)
1396#define USE_IOSURFACE_CANVAS_BACKING_STORE 1
1397#endif
1398
1399/* FIXME: Should this be enabled or IOS_FAMILY, not just IOS? */
1400#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(IOS)
1401#define HAVE_FOUNDATION_WITH_SAVE_COOKIES_WITH_COMPLETION_HANDLER 1
1402#endif
1403
1404/* FIXME: Should this be enabled for IOS_FAMILY, not just IOS? */
1405#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(IOS)
1406#define HAVE_FOUNDATION_WITH_SAME_SITE_COOKIE_SUPPORT 1
1407#endif
1408
1409#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MAX_ALLOWED < 101400
1410#define HAVE_NSHTTPCOOKIESTORAGE__INITWITHIDENTIFIER_WITH_INACCURATE_NULLABILITY 1
1411#endif
1412
1413#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101302 && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || PLATFORM(IOS_FAMILY)
1414#define HAVE_CFNETWORK_WITH_CONTENT_ENCODING_SNIFFING_OVERRIDE 1
1415/* The override isn't needed on iOS family, as the default behavior is to not sniff. */
1416/* FIXME: This should probably be enabled on 10.13.2 and newer, not just 10.14 and newer. */
1417#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400
1418#define USE_CFNETWORK_CONTENT_ENCODING_SNIFFING_OVERRIDE 1
1419#endif
1420#endif
1421
1422#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101302 && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300) || PLATFORM(IOS_FAMILY)
1423#define HAVE_CFNETWORK_WITH_IGNORE_HSTS 1
1424#endif
1425
1426#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300 && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101302) || PLATFORM(IOS_FAMILY)
1427#define HAVE_CFNETWORK_WITH_AUTO_ADDED_HTTP_HEADER_SUPPRESSION_SUPPORT 1
1428/* FIXME: Does this work, and is this needed on other iOS family platforms? */
1429#if PLATFORM(MAC) || PLATFORM(IOS)
1430#define USE_CFNETWORK_AUTO_ADDED_HTTP_HEADER_SUPPRESSION 1
1431#endif
1432#endif
1433
1434#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || PLATFORM(GTK)
1435#define HAVE_OS_DARK_MODE_SUPPORT 1
1436#endif
1437
1438#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400
1439#define HAVE_CG_FONT_RENDERING_GET_FONT_SMOOTHING_DISABLED 1
1440#endif
1441
1442#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1443#define HAVE_CA_WHERE_ADDITIVE_TRANSFORMS_ARE_REVERSED 1
1444#endif
1445
1446#ifdef __APPLE__
1447#define HAVE_FUNC_USLEEP 1
1448#endif
1449
1450#if PLATFORM(MAC) || PLATFORM(WPE)
1451/* FIXME: This really needs a descriptive name, this "new theme" was added in 2008. */
1452#define USE_NEW_THEME 1
1453#endif
1454
1455#if PLATFORM(MAC)
1456#define HAVE_WINDOW_SERVER_OCCLUSION_NOTIFICATIONS 1
1457#endif
1458
1459#if PLATFORM(COCOA)
1460#define HAVE_SEC_ACCESS_CONTROL 1
1461#endif
1462
1463#if PLATFORM(IOS)
1464/* FIXME: SafariServices.framework exists on macOS. It is only used by WebKit on iOS, so the behavior is correct, but the name is misleading. */
1465#define HAVE_SAFARI_SERVICES_FRAMEWORK 1
1466#endif
1467
1468#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101300 && !defined(__i386__)) || PLATFORM(IOS) || PLATFORM(WATCHOS)
1469#define HAVE_SAFE_BROWSING 1
1470#endif
1471
1472#if PLATFORM(IOS)
1473#define HAVE_LINK_PREVIEW 1
1474#endif
1475
1476#if PLATFORM(COCOA)
1477/* FIXME: This is a USE style macro, as it triggers the use of CFURLConnection framework stubs. */
1478/* FIXME: Is this still necessary? CFURLConnection isn't used on Cocoa platforms any more. */
1479#define ENABLE_SEC_ITEM_SHIM 1
1480#endif
1481
1482#if (PLATFORM(IOS_FAMILY) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400))
1483#define HAVE_ACCESSIBILITY_SUPPORT 1
1484#endif
1485
1486#if PLATFORM(MAC)
1487#define ENABLE_FULL_KEYBOARD_ACCESS 1
1488#endif
1489
1490#if PLATFORM(IOS_FAMILY) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400)
1491#define HAVE_AUTHORIZATION_STATUS_FOR_MEDIA_TYPE 1
1492#endif
1493
1494#if (PLATFORM(MAC) && (__MAC_OS_X_VERSION_MIN_REQUIRED == 101200 || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101400 && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101404))) || (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 120000 && __IPHONE_OS_VERSION_MAX_ALLOWED >= 120200) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 50000 && __WATCH_OS_VERSION_MAX_ALLOWED >= 50200) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 120000 && __TV_OS_VERSION_MAX_ALLOWED >= 120200)
1495#define HAVE_CFNETWORK_OVERRIDE_SESSION_COOKIE_ACCEPT_POLICY 1
1496#endif
1497
1498#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1499#define HAVE_CFNETWORK_NSURLSESSION_STRICTRUSTEVALUATE 1
1500#endif
1501
1502#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1503#define HAVE_CFNETWORK_NEGOTIATED_SSL_PROTOCOL_CIPHER 1
1504#endif
1505
1506#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
1507#define HAVE_CSCHECKFIXDISABLE 1
1508#endif
1509
1510#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101400) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1511#define HAVE_SANDBOX_ISSUE_MACH_EXTENSION_TO_PROCESS_BY_PID 1
1512#endif
1513
1514#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1515#define HAVE_MDNS_FAST_REGISTRATION 1
1516#endif
1517
1518#if PLATFORM(MAC)
1519#define ENABLE_MONOSPACE_FONT_EXCEPTION (__MAC_OS_X_VERSION_MIN_REQUIRED < 101500)
1520#elif PLATFORM(IOS_FAMILY)
1521#define ENABLE_MONOSPACE_FONT_EXCEPTION (__IPHONE_OS_VERSION_MIN_REQUIRED < 130000)
1522#endif
1523
1524#if PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000
1525#define HAVE_UI_WEB_TOUCH_EVENTS_GESTURE_RECOGNIZER_WITH_ACTIVE_TOUCHES_BY_ID 1
1526#endif
1527
1528#if PLATFORM(IOS_FAMILY) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000
1529#define HAVE_UI_WK_DOCUMENT_CONTEXT 1
1530#endif
1531
1532#if PLATFORM(IOSMAC)
1533#define ENABLE_PLATFORM_DRIVEN_TEXT_CHECKING 1
1534#endif
1535
1536#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 60000) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 130000)
1537#define HAVE_ALLOWS_SENSITIVE_LOGGING 1
1538#define HAVE_FAIRPLAYSTREAMING_CENC_INITDATA 1
1539#endif
1540
1541#if (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 60000) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 130000)
1542#define HAVE_UI_SCROLL_VIEW_INDICATOR_FLASHING_SPI 1
1543#endif
1544
1545#if (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000)
1546#define HAVE_APP_LINKS_WITH_ISENABLED 1
1547#define HAVE_ROUTE_SHARING_POLICY_LONG_FORM_VIDEO 1
1548#endif
1549
1550#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MAX_ALLOWED < 101500
1551#define USE_REALPATH_FOR_DLOPEN_PREFLIGHT 1
1552#endif
1553
1554#if (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500) || (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000) || (PLATFORM(WATCHOS) && __WATCH_OS_VERSION_MIN_REQUIRED >= 60000) || (PLATFORM(APPLETV) && __TV_OS_VERSION_MIN_REQUIRED >= 130000)
1555#define HAVE_AVPLAYER_RESOURCE_CONSERVATION_LEVEL 1
1556#endif
1557
1558