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1 /*
2  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc.  All rights reserved.
3  * Copyright (C) 2007-2009 Torch Mobile, Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef WTF_Platform_h
28 #define WTF_Platform_h
29 
30 /* ==== PLATFORM handles OS, operating environment, graphics API, and
31    CPU. This macro will be phased out in favor of platform adaptation
32    macros, policy decision macros, and top-level port definitions. ==== */
33 #define PLATFORM(WTF_FEATURE) (defined WTF_PLATFORM_##WTF_FEATURE  && WTF_PLATFORM_##WTF_FEATURE)
34 
35 
36 /* ==== Platform adaptation macros: these describe properties of the target environment. ==== */
37 
38 /* COMPILER() - the compiler being used to build the project */
39 #define COMPILER(WTF_FEATURE) (defined WTF_COMPILER_##WTF_FEATURE  && WTF_COMPILER_##WTF_FEATURE)
40 /* CPU() - the target CPU architecture */
41 #define CPU(WTF_FEATURE) (defined WTF_CPU_##WTF_FEATURE  && WTF_CPU_##WTF_FEATURE)
42 /* HAVE() - specific system features (headers, functions or similar) that are present or not */
43 #define HAVE(WTF_FEATURE) (defined HAVE_##WTF_FEATURE  && HAVE_##WTF_FEATURE)
44 /* OS() - underlying operating system; only to be used for mandated low-level services like
45    virtual memory, not to choose a GUI toolkit */
46 #define OS(WTF_FEATURE) (defined WTF_OS_##WTF_FEATURE  && WTF_OS_##WTF_FEATURE)
47 
48 
49 /* ==== Policy decision macros: these define policy choices for a particular port. ==== */
50 
51 /* USE() - use a particular third-party library or optional OS service */
52 #define USE(WTF_FEATURE) (defined WTF_USE_##WTF_FEATURE  && WTF_USE_##WTF_FEATURE)
53 /* ENABLE() - turn on a specific feature of WebKit */
54 #define ENABLE(WTF_FEATURE) (defined ENABLE_##WTF_FEATURE  && ENABLE_##WTF_FEATURE)
55 
56 
57 
58 /* ==== COMPILER() - the compiler being used to build the project ==== */
59 
60 /* COMPILER(MSVC) Microsoft Visual C++ */
61 /* COMPILER(MSVC7) Microsoft Visual C++ v7 or lower*/
62 #if defined(_MSC_VER)
63 #define WTF_COMPILER_MSVC 1
64 #if _MSC_VER < 1400
65 #define WTF_COMPILER_MSVC7 1
66 #endif
67 #endif
68 
69 /* COMPILER(RVCT)  - ARM RealView Compilation Tools */
70 #if defined(__CC_ARM) || defined(__ARMCC__)
71 #define WTF_COMPILER_RVCT 1
72 #endif
73 
74 /* COMPILER(GCC) - GNU Compiler Collection */
75 /* --gnu option of the RVCT compiler also defines __GNUC__ */
76 #if defined(__GNUC__) && !COMPILER(RVCT)
77 #define WTF_COMPILER_GCC 1
78 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
79 #endif
80 
81 /* COMPILER(MINGW) - MinGW GCC */
82 #if defined(MINGW) || defined(__MINGW32__)
83 #define WTF_COMPILER_MINGW 1
84 #endif
85 
86 /* COMPILER(WINSCW) - CodeWarrior for Symbian emulator */
87 #if defined(__WINSCW__)
88 #define WTF_COMPILER_WINSCW 1
89 #endif
90 
91 
92 
93 /* ==== CPU() - the target CPU architecture ==== */
94 
95 /* This also defines CPU(BIG_ENDIAN) or CPU(MIDDLE_ENDIAN) or neither, as appropriate. */
96 
97 /* CPU(ALPHA) - DEC Alpha */
98 #if defined(__alpha__)
99 #define WTF_CPU_ALPHA 1
100 #endif
101 
102 /* CPU(IA64) - Itanium / IA-64 */
103 #if defined(__ia64__)
104 #define WTF_CPU_IA64 1
105 #endif
106 
107 /* CPU(PPC) - PowerPC 32-bit */
108 #if   defined(__ppc__)     \
109     || defined(__PPC__)     \
110     || defined(__powerpc__) \
111     || defined(__powerpc)   \
112     || defined(__POWERPC__) \
113     || defined(_M_PPC)      \
114     || defined(__PPC)
115 #define WTF_CPU_PPC 1
116 #define WTF_CPU_BIG_ENDIAN 1
117 #endif
118 
119 /* CPU(PPC64) - PowerPC 64-bit */
120 #if   defined(__ppc64__) \
121     || defined(__PPC64__)
122 #define WTF_CPU_PPC64 1
123 #define WTF_CPU_BIG_ENDIAN 1
124 #endif
125 
126 /* CPU(SH4) - SuperH SH-4 */
127 #if defined(__SH4__)
128 #define WTF_CPU_SH4 1
129 #endif
130 
131 /* CPU(SPARC32) - SPARC 32-bit */
132 #if defined(__sparc) && !defined(__arch64__) || defined(__sparcv8)
133 #define WTF_CPU_SPARC32 1
134 #define WTF_CPU_BIG_ENDIAN 1
135 #endif
136 
137 /* CPU(SPARC64) - SPARC 64-bit */
138 #if defined(__sparc__) && defined(__arch64__) || defined (__sparcv9)
139 #define WTF_CPU_SPARC64 1
140 #define WTF_CPU_BIG_ENDIAN 1
141 #endif
142 
143 /* CPU(SPARC) - any SPARC, true for CPU(SPARC32) and CPU(SPARC64) */
144 #if CPU(SPARC32) || CPU(SPARC64)
145 #define WTF_CPU_SPARC
146 #endif
147 
148 /* CPU(X86) - i386 / x86 32-bit */
149 #if   defined(__i386__) \
150     || defined(i386)     \
151     || defined(_M_IX86)  \
152     || defined(_X86_)    \
153     || defined(__THW_INTEL)
154 #define WTF_CPU_X86 1
155 #endif
156 
157 /* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */
158 #if   defined(__x86_64__) \
159     || defined(_M_X64)
160 #define WTF_CPU_X86_64 1
161 #endif
162 
163 /* CPU(ARM) - ARM, any version*/
164 #if   defined(arm) \
165     || defined(__arm__)
166 #define WTF_CPU_ARM 1
167 
168 #if defined(__ARMEB__)
169 #define WTF_CPU_BIG_ENDIAN 1
170 
171 #elif !defined(__ARM_EABI__) \
172     && !defined(__EABI__) \
173     && !defined(__VFP_FP__) \
174     && !defined(ANDROID)
175 #define WTF_CPU_MIDDLE_ENDIAN 1
176 
177 #endif
178 
179 #define WTF_ARM_ARCH_AT_LEAST(N) (CPU(ARM) && WTF_ARM_ARCH_VERSION >= N)
180 
181 /* Set WTF_ARM_ARCH_VERSION */
182 #if   defined(__ARM_ARCH_4__) \
183     || defined(__ARM_ARCH_4T__) \
184     || defined(__MARM_ARMV4__) \
185     || defined(_ARMV4I_)
186 #define WTF_ARM_ARCH_VERSION 4
187 
188 #elif defined(__ARM_ARCH_5__) \
189     || defined(__ARM_ARCH_5T__) \
190     || defined(__ARM_ARCH_5E__) \
191     || defined(__ARM_ARCH_5TE__) \
192     || defined(__ARM_ARCH_5TEJ__) \
193     || defined(__MARM_ARMV5__)
194 #define WTF_ARM_ARCH_VERSION 5
195 
196 #elif defined(__ARM_ARCH_6__) \
197     || defined(__ARM_ARCH_6J__) \
198     || defined(__ARM_ARCH_6K__) \
199     || defined(__ARM_ARCH_6Z__) \
200     || defined(__ARM_ARCH_6ZK__) \
201     || defined(__ARM_ARCH_6T2__) \
202     || defined(__ARMV6__)
203 #define WTF_ARM_ARCH_VERSION 6
204 
205 #elif defined(__ARM_ARCH_7A__) \
206     || defined(__ARM_ARCH_7R__)
207 #define WTF_ARM_ARCH_VERSION 7
208 
209 /* RVCT sets _TARGET_ARCH_ARM */
210 #elif defined(__TARGET_ARCH_ARM)
211 #define WTF_ARM_ARCH_VERSION __TARGET_ARCH_ARM
212 
213 #else
214 #define WTF_ARM_ARCH_VERSION 0
215 
216 #endif
217 
218 /* Set WTF_THUMB_ARCH_VERSION */
219 #if   defined(__ARM_ARCH_4T__)
220 #define WTF_THUMB_ARCH_VERSION 1
221 
222 #elif defined(__ARM_ARCH_5T__) \
223     || defined(__ARM_ARCH_5TE__) \
224     || defined(__ARM_ARCH_5TEJ__)
225 #define WTF_THUMB_ARCH_VERSION 2
226 
227 #elif defined(__ARM_ARCH_6J__) \
228     || defined(__ARM_ARCH_6K__) \
229     || defined(__ARM_ARCH_6Z__) \
230     || defined(__ARM_ARCH_6ZK__) \
231     || defined(__ARM_ARCH_6M__)
232 #define WTF_THUMB_ARCH_VERSION 3
233 
234 #elif defined(__ARM_ARCH_6T2__) \
235     || defined(__ARM_ARCH_7__) \
236     || defined(__ARM_ARCH_7A__) \
237     || defined(__ARM_ARCH_7R__) \
238     || defined(__ARM_ARCH_7M__)
239 #define WTF_THUMB_ARCH_VERSION 4
240 
241 /* RVCT sets __TARGET_ARCH_THUMB */
242 #elif defined(__TARGET_ARCH_THUMB)
243 #define WTF_THUMB_ARCH_VERSION __TARGET_ARCH_THUMB
244 
245 #else
246 #define WTF_THUMB_ARCH_VERSION 0
247 #endif
248 
249 
250 /* CPU(ARMV5_OR_LOWER) - ARM instruction set v5 or earlier */
251 /* On ARMv5 and below the natural alignment is required.
252    And there are some other differences for v5 or earlier. */
253 #if !defined(ARMV5_OR_LOWER) && !WTF_ARM_ARCH_AT_LEAST(6)
254 #define WTF_CPU_ARMV5_OR_LOWER 1
255 #endif
256 
257 
258 /* CPU(ARM_TRADITIONAL) - Thumb2 is not available, only traditional ARM (v4 or greater) */
259 /* CPU(ARM_THUMB2) - Thumb2 instruction set is available */
260 /* Only one of these will be defined. */
261 #if !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2)
262 #  if defined(thumb2) || defined(__thumb2__) \
263     || ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4)
264 #    define WTF_CPU_ARM_TRADITIONAL 0
265 #    define WTF_CPU_ARM_THUMB2 1
266 #  elif WTF_ARM_ARCH_AT_LEAST(4)
267 #    define WTF_CPU_ARM_TRADITIONAL 1
268 #    define WTF_CPU_ARM_THUMB2 0
269 #  else
270 #    error "Not supported ARM architecture"
271 #  endif
272 #elif CPU(ARM_TRADITIONAL) && CPU(ARM_THUMB2) /* Sanity Check */
273 #  error "Cannot use both of WTF_CPU_ARM_TRADITIONAL and WTF_CPU_ARM_THUMB2 platforms"
274 #endif /* !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2) */
275 
276 #endif /* ARM */
277 
278 
279 
280 /* ==== OS() - underlying operating system; only to be used for mandated low-level services like
281    virtual memory, not to choose a GUI toolkit ==== */
282 
283 /* OS(ANDROID) - Android */
284 #ifdef ANDROID
285 #define WTF_OS_ANDROID 1
286 #endif
287 
288 /* OS(AIX) - AIX */
289 #ifdef _AIX
290 #define WTF_OS_AIX 1
291 #endif
292 
293 /* OS(DARWIN) - Any Darwin-based OS, including Mac OS X and iPhone OS */
294 #ifdef __APPLE__
295 #define WTF_OS_DARWIN 1
296 
297 /* FIXME: BUILDING_ON_.., and TARGETING... macros should be folded into the OS() system */
298 #include <AvailabilityMacros.h>
299 #if !defined(MAC_OS_X_VERSION_10_5) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
300 #define BUILDING_ON_TIGER 1
301 #elif !defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
302 #define BUILDING_ON_LEOPARD 1
303 #elif !defined(MAC_OS_X_VERSION_10_7) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
304 #define BUILDING_ON_SNOW_LEOPARD 1
305 #endif
306 #if !defined(MAC_OS_X_VERSION_10_5) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
307 #define TARGETING_TIGER 1
308 #elif !defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6
309 #define TARGETING_LEOPARD 1
310 #elif !defined(MAC_OS_X_VERSION_10_7) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7
311 #define TARGETING_SNOW_LEOPARD 1
312 #endif
313 #include <TargetConditionals.h>
314 
315 #endif
316 
317 /* OS(IPHONE_OS) - iPhone OS */
318 /* OS(MAC_OS_X) - Mac OS X (not including iPhone OS) */
319 #if OS(DARWIN) && ((defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED)  \
320     || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE)                   \
321     || (defined(TARGET_IPHONE_SIMULATOR) && TARGET_IPHONE_SIMULATOR))
322 #define WTF_OS_IPHONE_OS 1
323 #elif OS(DARWIN) && defined(TARGET_OS_MAC) && TARGET_OS_MAC
324 #define WTF_OS_MAC_OS_X 1
325 #endif
326 
327 /* OS(FREEBSD) - FreeBSD */
328 #ifdef __FreeBSD__
329 #define WTF_OS_FREEBSD 1
330 #endif
331 
332 /* OS(HAIKU) - Haiku */
333 #ifdef __HAIKU__
334 #define WTF_OS_HAIKU 1
335 #endif
336 
337 /* OS(LINUX) - Linux */
338 #ifdef __linux__
339 #define WTF_OS_LINUX 1
340 #endif
341 
342 /* OS(NETBSD) - NetBSD */
343 #if defined(__NetBSD__)
344 #define WTF_PLATFORM_NETBSD 1
345 #endif
346 
347 /* OS(OPENBSD) - OpenBSD */
348 #ifdef __OpenBSD__
349 #define WTF_OS_OPENBSD 1
350 #endif
351 
352 /* OS(QNX) - QNX */
353 #if defined(__QNXNTO__)
354 #define WTF_OS_QNX 1
355 #endif
356 
357 /* OS(SOLARIS) - Solaris */
358 #if defined(sun) || defined(__sun)
359 #define WTF_OS_SOLARIS 1
360 #endif
361 
362 /* OS(WINCE) - Windows CE; note that for this platform OS(WINDOWS) is also defined */
363 #if defined(_WIN32_WCE)
364 #define WTF_OS_WINCE 1
365 #endif
366 
367 /* OS(WINDOWS) - Any version of Windows */
368 #if defined(WIN32) || defined(_WIN32)
369 #define WTF_OS_WINDOWS 1
370 #endif
371 
372 /* OS(SYMBIAN) - Symbian */
373 #if defined (__SYMBIAN32__)
374 /* we are cross-compiling, it is not really windows */
375 #undef WTF_OS_WINDOWS
376 #undef WTF_PLATFORM_WIN
377 #define WTF_OS_SYMBIAN 1
378 #endif
379 
380 /* OS(UNIX) - Any Unix-like system */
381 #if   OS(AIX)              \
382     || OS(ANDROID)          \
383     || OS(DARWIN)           \
384     || OS(FREEBSD)          \
385     || OS(HAIKU)            \
386     || OS(LINUX)            \
387     || OS(NETBSD)           \
388     || OS(OPENBSD)          \
389     || OS(QNX)              \
390     || OS(SOLARIS)          \
391     || OS(SYMBIAN)          \
392     || defined(unix)        \
393     || defined(__unix)      \
394     || defined(__unix__)
395 #define WTF_OS_UNIX 1
396 #endif
397 
398 /* Operating environments */
399 
400 /* FIXME: these are all mixes of OS, operating environment and policy choices. */
401 /* PLATFORM(CHROMIUM) */
402 /* PLATFORM(QT) */
403 /* PLATFORM(WX) */
404 /* PLATFORM(GTK) */
405 /* PLATFORM(HAIKU) */
406 /* PLATFORM(MAC) */
407 /* PLATFORM(WIN) */
408 #if defined(BUILDING_CHROMIUM__)
409 #define WTF_PLATFORM_CHROMIUM 1
410 #elif defined(BUILDING_QT__)
411 #define WTF_PLATFORM_QT 1
412 #elif defined(BUILDING_WX__)
413 #define WTF_PLATFORM_WX 1
414 #elif defined(BUILDING_GTK__)
415 #define WTF_PLATFORM_GTK 1
416 #elif defined(BUILDING_HAIKU__)
417 #define WTF_PLATFORM_HAIKU 1
418 #elif defined(BUILDING_BREWMP__)
419 #define WTF_PLATFORM_BREWMP 1
420 #if defined(AEE_SIMULATOR)
421 #define WTF_PLATFORM_BREWMP_SIMULATOR 1
422 #else
423 #define WTF_PLATFORM_BREWMP_SIMULATOR 0
424 #endif
425 #undef WTF_OS_WINDOWS
426 #undef WTF_PLATFORM_WIN
427 #elif OS(DARWIN)
428 #define WTF_PLATFORM_MAC 1
429 #elif OS(WINDOWS)
430 #define WTF_PLATFORM_WIN 1
431 #endif
432 
433 /* PLATFORM(IPHONE) */
434 /* FIXME: this is sometimes used as an OS switch and sometimes for higher-level things */
435 #if (defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED) || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE)
436 #define WTF_PLATFORM_IPHONE 1
437 #endif
438 
439 /* PLATFORM(IPHONE_SIMULATOR) */
440 #if defined(TARGET_IPHONE_SIMULATOR) && TARGET_IPHONE_SIMULATOR
441 #define WTF_PLATFORM_IPHONE 1
442 #define WTF_PLATFORM_IPHONE_SIMULATOR 1
443 #else
444 #define WTF_PLATFORM_IPHONE_SIMULATOR 0
445 #endif
446 
447 #if !defined(WTF_PLATFORM_IPHONE)
448 #define WTF_PLATFORM_IPHONE 0
449 #endif
450 
451 /* PLATFORM(ANDROID) */
452 /* FIXME: this is sometimes used as an OS() switch, and other times to drive
453    policy choices */
454 #if defined(ANDROID)
455 #define WTF_PLATFORM_ANDROID 1
456 #endif
457 
458 /* Graphics engines */
459 
460 /* PLATFORM(CG) and PLATFORM(CI) */
461 #if PLATFORM(MAC) || PLATFORM(IPHONE)
462 #define WTF_PLATFORM_CG 1
463 #endif
464 #if PLATFORM(MAC) && !PLATFORM(IPHONE)
465 #define WTF_PLATFORM_CI 1
466 #endif
467 
468 /* PLATFORM(SKIA) for Win/Linux, CG/CI for Mac */
469 #if PLATFORM(CHROMIUM)
470 #define ENABLE_HISTORY_ALWAYS_ASYNC 1
471 #if OS(DARWIN)
472 #define WTF_PLATFORM_CG 1
473 #define WTF_PLATFORM_CI 1
474 #define WTF_USE_ATSUI 1
475 #define WTF_USE_CORE_TEXT 1
476 #else
477 #define WTF_PLATFORM_SKIA 1
478 #endif
479 #endif
480 
481 #if PLATFORM(GTK)
482 #define WTF_PLATFORM_CAIRO 1
483 #endif
484 
485 
486 /* OS(WINCE) && PLATFORM(QT)
487    We can not determine the endianess at compile time. For
488    Qt for Windows CE the endianess is specified in the
489    device specific makespec
490 */
491 #if OS(WINCE) && PLATFORM(QT)
492 #   include <QtGlobal>
493 #   undef WTF_CPU_BIG_ENDIAN
494 #   undef WTF_CPU_MIDDLE_ENDIAN
495 #   if Q_BYTE_ORDER == Q_BIG_ENDIAN
496 #       define WTF_CPU_BIG_ENDIAN 1
497 #   endif
498 
499 #   include <ce_time.h>
500 #endif
501 
502 #if (PLATFORM(IPHONE) || PLATFORM(MAC) || PLATFORM(WIN) || (PLATFORM(QT) && OS(DARWIN) && !ENABLE(SINGLE_THREADED))) && !defined(ENABLE_JSC_MULTIPLE_THREADS)
503 #define ENABLE_JSC_MULTIPLE_THREADS 1
504 #endif
505 
506 /* On Windows, use QueryPerformanceCounter by default */
507 #if OS(WINDOWS)
508 #define WTF_USE_QUERY_PERFORMANCE_COUNTER  1
509 #endif
510 
511 #if OS(WINCE) && !PLATFORM(QT)
512 #undef ENABLE_JSC_MULTIPLE_THREADS
513 #define ENABLE_JSC_MULTIPLE_THREADS        0
514 #define USE_SYSTEM_MALLOC                  0
515 #define ENABLE_ICONDATABASE                0
516 #define ENABLE_JAVASCRIPT_DEBUGGER         0
517 #define ENABLE_FTPDIR                      0
518 #define ENABLE_PAN_SCROLLING               0
519 #define ENABLE_WML                         1
520 #define HAVE_ACCESSIBILITY                 0
521 
522 #define NOMINMAX       /* Windows min and max conflict with standard macros */
523 #define NOSHLWAPI      /* shlwapi.h not available on WinCe */
524 
525 /* MSDN documentation says these functions are provided with uspce.lib.  But we cannot find this file. */
526 #define __usp10__      /* disable "usp10.h" */
527 
528 #define _INC_ASSERT    /* disable "assert.h" */
529 #define assert(x)
530 
531 /* _countof is only included in CE6; for CE5 we need to define it ourself */
532 #ifndef _countof
533 #define _countof(x) (sizeof(x) / sizeof((x)[0]))
534 #endif
535 
536 #endif  /* OS(WINCE) && !PLATFORM(QT) */
537 
538 #if PLATFORM(QT)
539 #define WTF_USE_QT4_UNICODE 1
540 #elif OS(WINCE)
541 #define WTF_USE_WINCE_UNICODE 1
542 #elif PLATFORM(GTK)
543 /* The GTK+ Unicode backend is configurable */
544 #else
545 #define WTF_USE_ICU_UNICODE 1
546 #endif
547 
548 #if PLATFORM(MAC) && !PLATFORM(IPHONE)
549 #define WTF_PLATFORM_CF 1
550 #define WTF_USE_PTHREADS 1
551 #define HAVE_PTHREAD_RWLOCK 1
552 #if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_TIGER) && CPU(X86_64)
553 #define WTF_USE_PLUGIN_HOST_PROCESS 1
554 #endif
555 #if !defined(ENABLE_MAC_JAVA_BRIDGE)
556 #define ENABLE_MAC_JAVA_BRIDGE 1
557 #endif
558 #if !defined(ENABLE_DASHBOARD_SUPPORT)
559 #define ENABLE_DASHBOARD_SUPPORT 1
560 #endif
561 #define HAVE_READLINE 1
562 #define HAVE_RUNLOOP_TIMER 1
563 #endif /* PLATFORM(MAC) && !PLATFORM(IPHONE) */
564 
565 #if PLATFORM(CHROMIUM) && OS(DARWIN)
566 #define WTF_PLATFORM_CF 1
567 #define WTF_USE_PTHREADS 1
568 #define HAVE_PTHREAD_RWLOCK 1
569 #endif
570 
571 #if PLATFORM(QT) && OS(DARWIN)
572 #define WTF_PLATFORM_CF 1
573 #endif
574 
575 #if PLATFORM(IPHONE)
576 #define ENABLE_CONTEXT_MENUS 0
577 #define ENABLE_DRAG_SUPPORT 0
578 #define ENABLE_FTPDIR 1
579 #define ENABLE_GEOLOCATION 1
580 #define ENABLE_ICONDATABASE 0
581 #define ENABLE_INSPECTOR 0
582 #define ENABLE_MAC_JAVA_BRIDGE 0
583 #define ENABLE_NETSCAPE_PLUGIN_API 0
584 #define ENABLE_ORIENTATION_EVENTS 1
585 #define ENABLE_REPAINT_THROTTLING 1
586 #define HAVE_READLINE 1
587 #define WTF_PLATFORM_CF 1
588 #define WTF_USE_PTHREADS 1
589 #define HAVE_PTHREAD_RWLOCK 1
590 #endif
591 
592 #if PLATFORM(ANDROID)
593 #define WTF_USE_PTHREADS 1
594 #define WTF_PLATFORM_SKIA 1
595 #define USE_SYSTEM_MALLOC 1
596 #define ENABLE_MAC_JAVA_BRIDGE 1
597 #define LOG_DISABLED 1
598 /* Prevents Webkit from drawing the caret in textfields and textareas
599    This prevents unnecessary invals. */
600 #define ENABLE_TEXT_CARET 1
601 #define ENABLE_JAVASCRIPT_DEBUGGER 0
602 #define ENABLE_ORIENTATION_EVENTS 1
603 #endif
604 
605 #if PLATFORM(WIN)
606 #define WTF_USE_WININET 1
607 #endif
608 
609 #if PLATFORM(WX)
610 #define ENABLE_ASSEMBLER 1
611 #if OS(DARWIN)
612 #define WTF_PLATFORM_CF 1
613 #endif
614 #endif
615 
616 #if PLATFORM(GTK)
617 #if HAVE(PTHREAD_H)
618 #define WTF_USE_PTHREADS 1
619 #define HAVE_PTHREAD_RWLOCK 1
620 #endif
621 #endif
622 
623 #if PLATFORM(HAIKU)
624 #define HAVE_POSIX_MEMALIGN 1
625 #define WTF_USE_CURL 1
626 #define WTF_USE_PTHREADS 1
627 #define HAVE_PTHREAD_RWLOCK 1
628 #define USE_SYSTEM_MALLOC 1
629 #define ENABLE_NETSCAPE_PLUGIN_API 0
630 #endif
631 
632 #if PLATFORM(BREWMP)
633 #define USE_SYSTEM_MALLOC 1
634 #endif
635 
636 #if !defined(HAVE_ACCESSIBILITY)
637 #if PLATFORM(IPHONE) || PLATFORM(MAC) || PLATFORM(WIN) || PLATFORM(GTK) || PLATFORM(CHROMIUM)
638 #define HAVE_ACCESSIBILITY 1
639 #endif
640 #endif /* !defined(HAVE_ACCESSIBILITY) */
641 
642 #if OS(UNIX) && !OS(SYMBIAN)
643 #define HAVE_SIGNAL_H 1
644 #endif
645 
646 #if !OS(WINDOWS) && !OS(SOLARIS) && !OS(QNX) \
647     && !OS(SYMBIAN) && !OS(HAIKU) && !OS(RVCT) \
648     && !OS(ANDROID) && !PLATFORM(BREWMP)
649 #define HAVE_TM_GMTOFF 1
650 #define HAVE_TM_ZONE 1
651 #define HAVE_TIMEGM 1
652 #endif
653 
654 #if OS(DARWIN)
655 
656 #define HAVE_ERRNO_H 1
657 #define HAVE_LANGINFO_H 1
658 #define HAVE_MMAP 1
659 #define HAVE_MERGESORT 1
660 #define HAVE_SBRK 1
661 #define HAVE_STRINGS_H 1
662 #define HAVE_SYS_PARAM_H 1
663 #define HAVE_SYS_TIME_H 1
664 #define HAVE_SYS_TIMEB_H 1
665 
666 #if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD)
667 
668 #define HAVE_DISPATCH_H 1
669 
670 #if !PLATFORM(IPHONE) && !PLATFORM(QT)
671 #define HAVE_MADV_FREE_REUSE 1
672 #define HAVE_MADV_FREE 1
673 #define HAVE_PTHREAD_SETNAME_NP 1
674 #endif
675 
676 #endif
677 
678 #if PLATFORM(IPHONE)
679 #define HAVE_MADV_FREE 1
680 #endif
681 
682 #elif OS(WINDOWS)
683 
684 #if OS(WINCE)
685 #define HAVE_ERRNO_H 0
686 #else
687 #define HAVE_SYS_TIMEB_H 1
688 #endif
689 #define HAVE_VIRTUALALLOC 1
690 
691 #elif OS(SYMBIAN)
692 
693 #define HAVE_ERRNO_H 1
694 #define HAVE_MMAP 0
695 #define HAVE_SBRK 1
696 
697 #define HAVE_SYS_TIME_H 1
698 #define HAVE_STRINGS_H 1
699 
700 #if !COMPILER(RVCT)
701 #define HAVE_SYS_PARAM_H 1
702 #endif
703 
704 #elif PLATFORM(BREWMP)
705 
706 #define HAVE_ERRNO_H 1
707 
708 #elif OS(QNX)
709 
710 #define HAVE_ERRNO_H 1
711 #define HAVE_MMAP 1
712 #define HAVE_SBRK 1
713 #define HAVE_STRINGS_H 1
714 #define HAVE_SYS_PARAM_H 1
715 #define HAVE_SYS_TIME_H 1
716 
717 #elif OS(ANDROID)
718 
719 #define HAVE_ERRNO_H 1
720 #define HAVE_LANGINFO_H 0
721 #define HAVE_MMAP 1
722 #define HAVE_SBRK 1
723 #define HAVE_STRINGS_H 1
724 #define HAVE_SYS_PARAM_H 1
725 #define HAVE_SYS_TIME_H 1
726 
727 #else
728 
729 /* FIXME: is this actually used or do other platforms generate their own config.h? */
730 
731 #define HAVE_ERRNO_H 1
732 /* As long as Haiku doesn't have a complete support of locale this will be disabled. */
733 #if !OS(HAIKU)
734 #define HAVE_LANGINFO_H 1
735 #endif
736 #define HAVE_MMAP 1
737 #define HAVE_SBRK 1
738 #define HAVE_STRINGS_H 1
739 #define HAVE_SYS_PARAM_H 1
740 #define HAVE_SYS_TIME_H 1
741 
742 #endif
743 
744 /* ENABLE macro defaults */
745 
746 /* fastMalloc match validation allows for runtime verification that
747    new is matched by delete, fastMalloc is matched by fastFree, etc. */
748 #if !defined(ENABLE_FAST_MALLOC_MATCH_VALIDATION)
749 #define ENABLE_FAST_MALLOC_MATCH_VALIDATION 0
750 #endif
751 
752 #if !defined(ENABLE_ICONDATABASE)
753 #define ENABLE_ICONDATABASE 1
754 #endif
755 
756 #if !defined(ENABLE_DATABASE)
757 #define ENABLE_DATABASE 1
758 #endif
759 
760 #if !defined(ENABLE_JAVASCRIPT_DEBUGGER)
761 #define ENABLE_JAVASCRIPT_DEBUGGER 1
762 #endif
763 
764 #if !defined(ENABLE_FTPDIR)
765 #define ENABLE_FTPDIR 1
766 #endif
767 
768 #if !defined(ENABLE_CONTEXT_MENUS)
769 #define ENABLE_CONTEXT_MENUS 1
770 #endif
771 
772 #if !defined(ENABLE_DRAG_SUPPORT)
773 #define ENABLE_DRAG_SUPPORT 1
774 #endif
775 
776 #if !defined(ENABLE_DASHBOARD_SUPPORT)
777 #define ENABLE_DASHBOARD_SUPPORT 0
778 #endif
779 
780 #if !defined(ENABLE_INSPECTOR)
781 #define ENABLE_INSPECTOR 1
782 #endif
783 
784 #if !defined(ENABLE_MAC_JAVA_BRIDGE)
785 #define ENABLE_MAC_JAVA_BRIDGE 0
786 #endif
787 
788 #if !defined(ENABLE_NETSCAPE_PLUGIN_API)
789 #define ENABLE_NETSCAPE_PLUGIN_API 1
790 #endif
791 
792 #if !defined(WTF_USE_PLUGIN_HOST_PROCESS)
793 #define WTF_USE_PLUGIN_HOST_PROCESS 0
794 #endif
795 
796 #if !defined(ENABLE_ORIENTATION_EVENTS)
797 #define ENABLE_ORIENTATION_EVENTS 0
798 #endif
799 
800 #if !defined(ENABLE_OPCODE_STATS)
801 #define ENABLE_OPCODE_STATS 0
802 #endif
803 
804 #define ENABLE_SAMPLING_COUNTERS 0
805 #define ENABLE_SAMPLING_FLAGS 0
806 #define ENABLE_OPCODE_SAMPLING 0
807 #define ENABLE_CODEBLOCK_SAMPLING 0
808 #if ENABLE(CODEBLOCK_SAMPLING) && !ENABLE(OPCODE_SAMPLING)
809 #error "CODEBLOCK_SAMPLING requires OPCODE_SAMPLING"
810 #endif
811 #if ENABLE(OPCODE_SAMPLING) || ENABLE(SAMPLING_FLAGS)
812 #define ENABLE_SAMPLING_THREAD 1
813 #endif
814 
815 #if !defined(ENABLE_GEOLOCATION)
816 #define ENABLE_GEOLOCATION 0
817 #endif
818 
819 #if !defined(ENABLE_NOTIFICATIONS)
820 #define ENABLE_NOTIFICATIONS 0
821 #endif
822 
823 #if !defined(ENABLE_TEXT_CARET)
824 #define ENABLE_TEXT_CARET 1
825 #endif
826 
827 #if !defined(ENABLE_COMPOSITED_FIXED_ELEMENTS)
828 #define ENABLE_COMPOSITED_FIXED_ELEMENTS 0
829 #endif
830 
831 // ENABLE_ARCHIVE is an Android addition. We need this default value to allow
832 // us to build on Mac.
833 // FIXME: Upstream to webkit.org.
834 #if !defined(ENABLE_ARCHIVE)
835 #define ENABLE_ARCHIVE 1
836 #endif
837 
838 #if !defined(ENABLE_ON_FIRST_TEXTAREA_FOCUS_SELECT_ALL)
839 #define ENABLE_ON_FIRST_TEXTAREA_FOCUS_SELECT_ALL 0
840 #endif
841 
842 #if !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32) && !defined(WTF_USE_JSVALUE32_64)
843 #if (CPU(X86_64) && (OS(UNIX) || OS(WINDOWS))) || CPU(IA64) || CPU(ALPHA)
844 #define WTF_USE_JSVALUE64 1
845 #elif CPU(ARM) || CPU(PPC64)
846 #define WTF_USE_JSVALUE32 1
847 #elif OS(WINDOWS) && COMPILER(MINGW)
848 /* Using JSVALUE32_64 causes padding/alignement issues for JITStubArg
849 on MinGW. See https://bugs.webkit.org/show_bug.cgi?id=29268 */
850 #define WTF_USE_JSVALUE32 1
851 #else
852 #define WTF_USE_JSVALUE32_64 1
853 #endif
854 #endif /* !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32) && !defined(WTF_USE_JSVALUE32_64) */
855 
856 #if !defined(ENABLE_REPAINT_THROTTLING)
857 #define ENABLE_REPAINT_THROTTLING 0
858 #endif
859 
860 #if !defined(ENABLE_JIT)
861 
862 /* The JIT is tested & working on x86_64 Mac */
863 #if CPU(X86_64) && PLATFORM(MAC)
864     #define ENABLE_JIT 1
865 /* The JIT is tested & working on x86 Mac */
866 #elif CPU(X86) && PLATFORM(MAC)
867     #define ENABLE_JIT 1
868     #define WTF_USE_JIT_STUB_ARGUMENT_VA_LIST 1
869 #elif CPU(ARM_THUMB2) && PLATFORM(IPHONE)
870     #define ENABLE_JIT 1
871 /* The JIT is tested & working on Android */
872 #elif CPU(ARM_THUMB2) && PLATFORM(ANDROID) && ENABLE(ANDROID_JSC_JIT)
873     #define ENABLE_JIT 1
874 /* The JIT is tested & working on x86 Windows */
875 #elif CPU(X86) && PLATFORM(WIN)
876     #define ENABLE_JIT 1
877 #endif
878 
879 #if PLATFORM(QT) || PLATFORM(WX)
880 #if CPU(X86_64) && OS(DARWIN)
881     #define ENABLE_JIT 1
882 #elif CPU(X86) && OS(DARWIN)
883     #define ENABLE_JIT 1
884     #define WTF_USE_JIT_STUB_ARGUMENT_VA_LIST 1
885 #elif CPU(X86) && OS(WINDOWS) && COMPILER(MINGW) && GCC_VERSION >= 40100
886     #define ENABLE_JIT 1
887     #define WTF_USE_JIT_STUB_ARGUMENT_VA_LIST 1
888 #elif CPU(X86) && OS(WINDOWS) && COMPILER(MSVC)
889     #define ENABLE_JIT 1
890     #define WTF_USE_JIT_STUB_ARGUMENT_REGISTER 1
891 #elif CPU(X86) && OS(LINUX) && GCC_VERSION >= 40100
892     #define ENABLE_JIT 1
893     #define WTF_USE_JIT_STUB_ARGUMENT_VA_LIST 1
894 #elif CPU(X86_64) && OS(LINUX) && GCC_VERSION >= 40100
895     #define ENABLE_JIT 1
896 #elif CPU(ARM_TRADITIONAL) && OS(LINUX)
897     #define ENABLE_JIT 1
898 #endif
899 #endif /* PLATFORM(QT) */
900 
901 #endif /* !defined(ENABLE_JIT) */
902 
903 /* CPU architecture specific optimizations */
904 #if CPU(ARM_TRADITIONAL)
905 #if ENABLE(JIT) && !defined(ENABLE_JIT_OPTIMIZE_MOD) && WTF_ARM_ARCH_AT_LEAST(5)
906 #define ENABLE_JIT_OPTIMIZE_MOD 1
907 #endif
908 #endif
909 
910 #if ENABLE(JIT)
911 #ifndef ENABLE_JIT_OPTIMIZE_CALL
912 #define ENABLE_JIT_OPTIMIZE_CALL 1
913 #endif
914 #ifndef ENABLE_JIT_OPTIMIZE_NATIVE_CALL
915 #define ENABLE_JIT_OPTIMIZE_NATIVE_CALL 1
916 #endif
917 #ifndef ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS
918 #define ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS 1
919 #endif
920 #ifndef ENABLE_JIT_OPTIMIZE_METHOD_CALLS
921 #define ENABLE_JIT_OPTIMIZE_METHOD_CALLS 1
922 #endif
923 #ifndef ENABLE_JIT_OPTIMIZE_MOD
924 #define ENABLE_JIT_OPTIMIZE_MOD 0
925 #endif
926 #endif
927 
928 #if CPU(X86) && COMPILER(MSVC)
929 #define JSC_HOST_CALL __fastcall
930 #elif CPU(X86) && COMPILER(GCC)
931 #define JSC_HOST_CALL __attribute__ ((fastcall))
932 #else
933 #define JSC_HOST_CALL
934 #endif
935 
936 #if COMPILER(GCC) && !ENABLE(JIT)
937 #define HAVE_COMPUTED_GOTO 1
938 #endif
939 
940 #if ENABLE(JIT) && defined(COVERAGE)
941     #define WTF_USE_INTERPRETER 0
942 #else
943     #define WTF_USE_INTERPRETER 1
944 #endif
945 
946 /* Yet Another Regex Runtime. */
947 #if !defined(ENABLE_YARR_JIT)
948 
949 /* YARR supports x86 & x86-64, and has been tested on Mac and Windows. */
950 #if (CPU(X86) && PLATFORM(MAC)) \
951     || (CPU(X86_64) && PLATFORM(MAC)) \
952     || (CPU(ARM_THUMB2) && PLATFORM(IPHONE)) \
953     || (CPU(ARM_THUMB2) && PLATFORM(ANDROID) && ENABLE(ANDROID_JSC_JIT)) \
954     || (CPU(X86) && PLATFORM(WIN)) \
955     || (CPU(X86) && PLATFORM(WX))
956 #define ENABLE_YARR 1
957 #define ENABLE_YARR_JIT 1
958 #endif
959 
960 #if PLATFORM(QT)
961 #if (CPU(X86) && OS(WINDOWS) && COMPILER(MINGW) && GCC_VERSION >= 40100) \
962     || (CPU(X86) && OS(WINDOWS) && COMPILER(MSVC)) \
963     || (CPU(X86) && OS(LINUX) && GCC_VERSION >= 40100) \
964     || (CPU(X86_64) && OS(LINUX) && GCC_VERSION >= 40100) \
965     || (CPU(ARM_TRADITIONAL) && OS(LINUX))
966 #define ENABLE_YARR 1
967 #define ENABLE_YARR_JIT 1
968 #endif
969 #endif
970 
971 #endif /* !defined(ENABLE_YARR_JIT) */
972 
973 /* Sanity Check */
974 #if ENABLE(YARR_JIT) && !ENABLE(YARR)
975 #error "YARR_JIT requires YARR"
976 #endif
977 
978 #if ENABLE(JIT) || ENABLE(YARR_JIT)
979 #define ENABLE_ASSEMBLER 1
980 #endif
981 /* Setting this flag prevents the assembler from using RWX memory; this may improve
982    security but currectly comes at a significant performance cost. */
983 #if PLATFORM(IPHONE)
984 #define ENABLE_ASSEMBLER_WX_EXCLUSIVE 1
985 #else
986 #define ENABLE_ASSEMBLER_WX_EXCLUSIVE 0
987 #endif
988 
989 #if !defined(ENABLE_PAN_SCROLLING) && OS(WINDOWS)
990 #define ENABLE_PAN_SCROLLING 1
991 #endif
992 
993 /* Use the QXmlStreamReader implementation for XMLTokenizer */
994 /* Use the QXmlQuery implementation for XSLTProcessor */
995 #if PLATFORM(QT)
996 #define WTF_USE_QXMLSTREAM 1
997 #define WTF_USE_QXMLQUERY 1
998 #endif
999 
1000 #if !PLATFORM(QT)
1001 #define WTF_USE_FONT_FAST_PATH 1
1002 #endif
1003 
1004 /* Accelerated compositing */
1005 #if PLATFORM(MAC)
1006 #if !defined(BUILDING_ON_TIGER)
1007 #define WTF_USE_ACCELERATED_COMPOSITING 1
1008 #endif
1009 #endif
1010 
1011 #if PLATFORM(ANDROID) && !defined WTF_USE_ACCELERATED_COMPOSITING
1012 #define WTF_USE_ACCELERATED_COMPOSITING 1
1013 #endif
1014 
1015 #if PLATFORM(IPHONE)
1016 #define WTF_USE_ACCELERATED_COMPOSITING 1
1017 #endif
1018 
1019 /* FIXME: Defining ENABLE_3D_RENDERING here isn't really right, but it's always used with
1020    with WTF_USE_ACCELERATED_COMPOSITING, and it allows the feature to be turned on and
1021    off in one place. */
1022 #if PLATFORM(WIN)
1023 #include "QuartzCorePresent.h"
1024 #if QUARTZCORE_PRESENT
1025 #define WTF_USE_ACCELERATED_COMPOSITING 1
1026 #define ENABLE_3D_RENDERING 1
1027 #endif
1028 #endif
1029 
1030 #if COMPILER(GCC)
1031 #define WARN_UNUSED_RETURN __attribute__ ((warn_unused_result))
1032 #else
1033 #define WARN_UNUSED_RETURN
1034 #endif
1035 
1036 #if !ENABLE(NETSCAPE_PLUGIN_API) || (ENABLE(NETSCAPE_PLUGIN_API) && ((OS(UNIX) && (PLATFORM(QT) || PLATFORM(WX))) || PLATFORM(GTK)))
1037 #define ENABLE_PLUGIN_PACKAGE_SIMPLE_HASH 1
1038 #endif
1039 
1040 /* Set up a define for a common error that is intended to cause a build error -- thus the space after Error. */
1041 #define WTF_PLATFORM_CFNETWORK Error USE_macro_should_be_used_with_CFNETWORK
1042 
1043 #define ENABLE_JSC_ZOMBIES 0
1044 
1045 #endif /* WTF_Platform_h */
1046