wtf/Platform.h

   1 /*
   2  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc.  All rights reserved.
   3  * Copyright (C) 2007-2009 Torch Mobile, Inc.
   4  * Copyright (C) Research In Motion Limited 2010. 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 COMPUTER, 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 COMPUTER, 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 #ifndef WTF_Platform_h
  29 #define WTF_Platform_h
  30
  31 /* ==== PLATFORM handles OS, operating environment, graphics API, and
  32    CPU. This macro will be phased out in favor of platform adaptation
  33    macros, policy decision macros, and top-level port definitions. ==== */
  34 #define PLATFORM(WTF_FEATURE) (defined WTF_PLATFORM_##WTF_FEATURE  && WTF_PLATFORM_##WTF_FEATURE)
  35
  36
  37 /* ==== Platform adaptation macros: these describe properties of the target environment. ==== */
  38
  39 /* COMPILER() - the compiler being used to build the project */
  40 #define COMPILER(WTF_FEATURE) (defined WTF_COMPILER_##WTF_FEATURE  && WTF_COMPILER_##WTF_FEATURE)
  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 WTF_USE_##WTF_FEATURE  && WTF_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
  59 /* ==== COMPILER() - the compiler being used to build the project ==== */
  60
  61 /* COMPILER(MSVC) Microsoft Visual C++ */
  62 /* COMPILER(MSVC7_OR_LOWER) Microsoft Visual C++ 2003 or lower*/
  63 /* COMPILER(MSVC9_OR_LOWER) Microsoft Visual C++ 2008 or lower*/
  64 #if defined(_MSC_VER)
  65 #define WTF_COMPILER_MSVC 1
  66 #if _MSC_VER < 1400
  67 #define WTF_COMPILER_MSVC7_OR_LOWER 1
  68 #elif _MSC_VER < 1600
  69 #define WTF_COMPILER_MSVC9_OR_LOWER 1
  70 #endif
  71 #endif
  72
  73 /* COMPILER(RVCT)  - ARM RealView Compilation Tools */
  74 /* COMPILER(RVCT4_OR_GREATER) - ARM RealView Compilation Tools 4.0 or greater */
  75 #if defined(__CC_ARM) || defined(__ARMCC__)
  76 #define WTF_COMPILER_RVCT 1
  77 #define RVCT_VERSION_AT_LEAST(major, minor, patch, build) (__ARMCC_VERSION >= (major * 100000 + minor * 10000 + patch * 1000 + build))
  78 #else
  79 /* Define this for !RVCT compilers, just so we can write things like RVCT_VERSION_AT_LEAST(3, 0, 0, 0). */
  80 #define RVCT_VERSION_AT_LEAST(major, minor, patch, build) 0
  81 #endif
  82
  83 /* COMPILER(GCCE) - GNU Compiler Collection for Embedded */
  84 #if defined(__GCCE__)
  85 #define WTF_COMPILER_GCCE 1
  86 #define GCCE_VERSION (__GCCE__ * 10000 + __GCCE_MINOR__ * 100 + __GCCE_PATCHLEVEL__)
  87 #define GCCE_VERSION_AT_LEAST(major, minor, patch) (GCCE_VERSION >= (major * 10000 + minor * 100 + patch))
  88 #endif
  89
  90 /* COMPILER(GCC) - GNU Compiler Collection */
  91 /* --gnu option of the RVCT compiler also defines __GNUC__ */
  92 #if defined(__GNUC__) && !COMPILER(RVCT)
  93 #define WTF_COMPILER_GCC 1
  94 #define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
  95 #define GCC_VERSION_AT_LEAST(major, minor, patch) (GCC_VERSION >= (major * 10000 + minor * 100 + patch))
  96 #else
  97 /* Define this for !GCC compilers, just so we can write things like GCC_VERSION_AT_LEAST(4, 1, 0). */
  98 #define GCC_VERSION_AT_LEAST(major, minor, patch) 0
  99 #endif
 100
 101 /* COMPILER(MINGW) - MinGW GCC */
 102 /* COMPILER(MINGW64) - mingw-w64 GCC - only used as additional check to exclude mingw.org specific functions */
 103 #if defined(__MINGW32__)
 104 #define WTF_COMPILER_MINGW 1
 105 #include <_mingw.h> /* private MinGW header */
 106     #if defined(__MINGW64_VERSION_MAJOR) /* best way to check for mingw-w64 vs mingw.org */
 107         #define WTF_COMPILER_MINGW64 1
 108     #endif /* __MINGW64_VERSION_MAJOR */
 109 #endif /* __MINGW32__ */
 110
 111 /* COMPILER(WINSCW) - CodeWarrior for Symbian emulator */
 112 #if defined(__WINSCW__)
 113 #define WTF_COMPILER_WINSCW 1
 114 /* cross-compiling, it is not really windows */
 115 #undef WIN32
 116 #undef _WIN32
 117 #endif
 118
 119 /* COMPILER(INTEL) - Intel C++ Compiler */
 120 #if defined(__INTEL_COMPILER)
 121 #define WTF_COMPILER_INTEL 1
 122 #endif
 123
 124 /* COMPILER(SUNCC) */
 125 #if defined(__SUNPRO_CC) || defined(__SUNPRO_C)
 126 #define WTF_COMPILER_SUNCC 1
 127 #endif
 128
 129 /* ==== CPU() - the target CPU architecture ==== */
 130
 131 /* This also defines CPU(BIG_ENDIAN) or CPU(MIDDLE_ENDIAN) or neither, as appropriate. */
 132
 133 /* CPU(ALPHA) - DEC Alpha */
 134 #if defined(__alpha__)
 135 #define WTF_CPU_ALPHA 1
 136 #endif
 137
 138 /* CPU(IA64) - Itanium / IA-64 */
 139 #if defined(__ia64__)
 140 #define WTF_CPU_IA64 1
 141 /* 32-bit mode on Itanium */
 142 #if !defined(__LP64__)
 143 #define WTF_CPU_IA64_32 1
 144 #endif
 145 #endif
 146
 147 /* CPU(MIPS) - MIPS 32-bit */
 148 /* Note: Only O32 ABI is tested, so we enable it for O32 ABI for now.  */
 149 #if (defined(mips) || defined(__mips__) || defined(MIPS) || defined(_MIPS_)) \
 150     && defined(_ABIO32)
 151 #define WTF_CPU_MIPS 1
 152 #if defined(__MIPSEB__)
 153 #define WTF_CPU_BIG_ENDIAN 1
 154 #endif
 155 #define WTF_MIPS_PIC (defined __PIC__)
 156 #define WTF_MIPS_ARCH __mips
 157 #define WTF_MIPS_ISA(v) (defined WTF_MIPS_ARCH && WTF_MIPS_ARCH == v)
 158 #define WTF_MIPS_ISA_AT_LEAST(v) (defined WTF_MIPS_ARCH && WTF_MIPS_ARCH >= v)
 159 #define WTF_MIPS_ARCH_REV __mips_isa_rev
 160 #define WTF_MIPS_ISA_REV(v) (defined WTF_MIPS_ARCH_REV && WTF_MIPS_ARCH_REV == v)
 161 #define WTF_MIPS_DOUBLE_FLOAT (defined __mips_hard_float && !defined __mips_single_float)
 162 #define WTF_MIPS_FP64 (defined __mips_fpr && __mips_fpr == 64)
 163 /* MIPS requires allocators to use aligned memory */
 164 #define WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
 165 #endif /* MIPS */
 166
 167 /* CPU(PPC) - PowerPC 32-bit */
 168 #if   defined(__ppc__)     \
 169     || defined(__PPC__)     \
 170     || defined(__powerpc__) \
 171     || defined(__powerpc)   \
 172     || defined(__POWERPC__) \
 173     || defined(_M_PPC)      \
 174     || defined(__PPC)
 175 #define WTF_CPU_PPC 1
 176 #define WTF_CPU_BIG_ENDIAN 1
 177 #endif
 178
 179 /* CPU(PPC64) - PowerPC 64-bit */
 180 #if   defined(__ppc64__) \
 181     || defined(__PPC64__)
 182 #define WTF_CPU_PPC64 1
 183 #define WTF_CPU_BIG_ENDIAN 1
 184 #endif
 185
 186 /* CPU(SH4) - SuperH SH-4 */
 187 #if defined(__SH4__)
 188 #define WTF_CPU_SH4 1
 189 #endif
 190
 191 /* CPU(SPARC32) - SPARC 32-bit */
 192 #if defined(__sparc) && !defined(__arch64__) || defined(__sparcv8)
 193 #define WTF_CPU_SPARC32 1
 194 #define WTF_CPU_BIG_ENDIAN 1
 195 #endif
 196
 197 /* CPU(SPARC64) - SPARC 64-bit */
 198 #if defined(__sparc__) && defined(__arch64__) || defined (__sparcv9)
 199 #define WTF_CPU_SPARC64 1
 200 #define WTF_CPU_BIG_ENDIAN 1
 201 #endif
 202
 203 /* CPU(SPARC) - any SPARC, true for CPU(SPARC32) and CPU(SPARC64) */
 204 #if CPU(SPARC32) || CPU(SPARC64)
 205 #define WTF_CPU_SPARC 1
 206 #endif
 207
 208 /* CPU(S390X) - S390 64-bit */
 209 #if defined(__s390x__)
 210 #define WTF_CPU_S390X 1
 211 #define WTF_CPU_BIG_ENDIAN 1
 212 #endif
 213
 214 /* CPU(S390) - S390 32-bit */
 215 #if defined(__s390__)
 216 #define WTF_CPU_S390 1
 217 #define WTF_CPU_BIG_ENDIAN 1
 218 #endif
 219
 220 /* CPU(X86) - i386 / x86 32-bit */
 221 #if   defined(__i386__) \
 222     || defined(i386)     \
 223     || defined(_M_IX86)  \
 224     || defined(_X86_)    \
 225     || defined(__THW_INTEL)
 226 #define WTF_CPU_X86 1
 227 #endif
 228
 229 /* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */
 230 #if   defined(__x86_64__) \
 231     || defined(_M_X64)
 232 #define WTF_CPU_X86_64 1
 233 #endif
 234
 235 /* CPU(ARM) - ARM, any version*/
 236 #if   defined(arm) \
 237     || defined(__arm__) \
 238     || defined(ARM) \
 239     || defined(_ARM_)
 240 #define WTF_CPU_ARM 1
 241
 242 #if defined(__ARMEB__) || (COMPILER(RVCT) && defined(__BIG_ENDIAN))
 243 #define WTF_CPU_BIG_ENDIAN 1
 244
 245 #elif !defined(__ARM_EABI__) \
 246     && !defined(__EABI__) \
 247     && !defined(__VFP_FP__) \
 248     && !defined(_WIN32_WCE) \
 249     && !defined(ANDROID)
 250 #define WTF_CPU_MIDDLE_ENDIAN 1
 251
 252 #endif
 253
 254 #define WTF_ARM_ARCH_AT_LEAST(N) (CPU(ARM) && WTF_ARM_ARCH_VERSION >= N)
 255
 256 /* Set WTF_ARM_ARCH_VERSION */
 257 #if   defined(__ARM_ARCH_4__) \
 258     || defined(__ARM_ARCH_4T__) \
 259     || defined(__MARM_ARMV4__) \
 260     || defined(_ARMV4I_)
 261 #define WTF_ARM_ARCH_VERSION 4
 262
 263 #elif defined(__ARM_ARCH_5__) \
 264     || defined(__ARM_ARCH_5T__) \
 265     || defined(__MARM_ARMV5__)
 266 #define WTF_ARM_ARCH_VERSION 5
 267
 268 #elif defined(__ARM_ARCH_5E__) \
 269     || defined(__ARM_ARCH_5TE__) \
 270     || defined(__ARM_ARCH_5TEJ__)
 271 #define WTF_ARM_ARCH_VERSION 5
 272 /*ARMv5TE requires allocators to use aligned memory*/
 273 #define WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
 274
 275 #elif defined(__ARM_ARCH_6__) \
 276     || defined(__ARM_ARCH_6J__) \
 277     || defined(__ARM_ARCH_6K__) \
 278     || defined(__ARM_ARCH_6Z__) \
 279     || defined(__ARM_ARCH_6ZK__) \
 280     || defined(__ARM_ARCH_6T2__) \
 281     || defined(__ARMV6__)
 282 #define WTF_ARM_ARCH_VERSION 6
 283
 284 #elif defined(__ARM_ARCH_7A__) \
 285     || defined(__ARM_ARCH_7F__) \
 286     || defined(__ARM_ARCH_7R__) \
 287     || defined(__ARM_ARCH_7S__)
 288 #define WTF_ARM_ARCH_VERSION 7
 289
 290 /* RVCT sets _TARGET_ARCH_ARM */
 291 #elif defined(__TARGET_ARCH_ARM)
 292 #define WTF_ARM_ARCH_VERSION __TARGET_ARCH_ARM
 293
 294 #if defined(__TARGET_ARCH_5E) \
 295     || defined(__TARGET_ARCH_5TE) \
 296     || defined(__TARGET_ARCH_5TEJ)
 297 /*ARMv5TE requires allocators to use aligned memory*/
 298 #define WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1
 299 #endif
 300
 301 #else
 302 #define WTF_ARM_ARCH_VERSION 0
 303
 304 #endif
 305
 306 /* Set WTF_THUMB_ARCH_VERSION */
 307 #if   defined(__ARM_ARCH_4T__)
 308 #define WTF_THUMB_ARCH_VERSION 1
 309
 310 #elif defined(__ARM_ARCH_5T__) \
 311     || defined(__ARM_ARCH_5TE__) \
 312     || defined(__ARM_ARCH_5TEJ__)
 313 #define WTF_THUMB_ARCH_VERSION 2
 314
 315 #elif defined(__ARM_ARCH_6J__) \
 316     || defined(__ARM_ARCH_6K__) \
 317     || defined(__ARM_ARCH_6Z__) \
 318     || defined(__ARM_ARCH_6ZK__) \
 319     || defined(__ARM_ARCH_6M__)
 320 #define WTF_THUMB_ARCH_VERSION 3
 321
 322 #elif defined(__ARM_ARCH_6T2__) \
 323     || defined(__ARM_ARCH_7__) \
 324     || defined(__ARM_ARCH_7A__) \
 325     || defined(__ARM_ARCH_7F__) \
 326     || defined(__ARM_ARCH_7R__) \
 327     || defined(__ARM_ARCH_7M__) \
 328     || defined(__ARM_ARCH_7S__)
 329 #define WTF_THUMB_ARCH_VERSION 4
 330
 331 /* RVCT sets __TARGET_ARCH_THUMB */
 332 #elif defined(__TARGET_ARCH_THUMB)
 333 #define WTF_THUMB_ARCH_VERSION __TARGET_ARCH_THUMB
 334
 335 #else
 336 #define WTF_THUMB_ARCH_VERSION 0
 337 #endif
 338
 339
 340 /* CPU(ARMV5_OR_LOWER) - ARM instruction set v5 or earlier */
 341 /* On ARMv5 and below the natural alignment is required.
 342    And there are some other differences for v5 or earlier. */
 343 #if !defined(ARMV5_OR_LOWER) && !WTF_ARM_ARCH_AT_LEAST(6)
 344 #define WTF_CPU_ARMV5_OR_LOWER 1
 345 #endif
 346
 347
 348 /* CPU(ARM_TRADITIONAL) - Thumb2 is not available, only traditional ARM (v4 or greater) */
 349 /* CPU(ARM_THUMB2) - Thumb2 instruction set is available */
 350 /* Only one of these will be defined. */
 351 #if !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2)
 352 #  if defined(thumb2) || defined(__thumb2__) \
 353     || ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4)
 354 #    define WTF_CPU_ARM_TRADITIONAL 0
 355 #    define WTF_CPU_ARM_THUMB2 1
 356 #  elif WTF_ARM_ARCH_AT_LEAST(4)
 357 #    define WTF_CPU_ARM_TRADITIONAL 1
 358 #    define WTF_CPU_ARM_THUMB2 0
 359 #  else
 360 #    error "Not supported ARM architecture"
 361 #  endif
 362 #elif CPU(ARM_TRADITIONAL) && CPU(ARM_THUMB2) /* Sanity Check */
 363 #  error "Cannot use both of WTF_CPU_ARM_TRADITIONAL and WTF_CPU_ARM_THUMB2 platforms"
 364 #endif /* !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2) */
 365
 366 #if defined(__ARM_NEON__) && !defined(WTF_CPU_ARM_NEON)
 367 #define WTF_CPU_ARM_NEON 1
 368 #endif
 369
 370 #endif /* ARM */
 371
 372 #if CPU(ARM) || CPU(MIPS)
 373 #define WTF_CPU_NEEDS_ALIGNED_ACCESS 1
 374 #endif
 375
 376 /* ==== OS() - underlying operating system; only to be used for mandated low-level services like
 377    virtual memory, not to choose a GUI toolkit ==== */
 378
 379 /* OS(ANDROID) - Android */
 380 #ifdef ANDROID
 381 #define WTF_OS_ANDROID 1
 382 #endif
 383
 384 /* OS(AIX) - AIX */
 385 #ifdef _AIX
 386 #define WTF_OS_AIX 1
 387 #endif
 388
 389 /* OS(DARWIN) - Any Darwin-based OS, including Mac OS X and iPhone OS */
 390 #ifdef __APPLE__
 391 #define WTF_OS_DARWIN 1
 392
 393 /* FIXME: BUILDING_ON_.., and TARGETING... macros should be folded into the OS() system */
 394 #include <AvailabilityMacros.h>
 395 #if !defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
 396 #define BUILDING_ON_LEOPARD 1
 397 #elif !defined(MAC_OS_X_VERSION_10_7) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
 398 #define BUILDING_ON_SNOW_LEOPARD 1
 399 #endif
 400 #if !defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6
 401 #define TARGETING_LEOPARD 1
 402 #elif !defined(MAC_OS_X_VERSION_10_7) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7
 403 #define TARGETING_SNOW_LEOPARD 1
 404 #endif
 405 #include <Availability.h>
 406 #include <TargetConditionals.h>
 407
 408 #endif
 409
 410 /* OS(IOS) - iOS */
 411 /* OS(MAC_OS_X) - Mac OS X (not including iOS) */
 412 #if OS(DARWIN) && ((defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED)  \
 413     || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE)                   \
 414     || (defined(TARGET_IPHONE_SIMULATOR) && TARGET_IPHONE_SIMULATOR))
 415 #define WTF_OS_IOS 1
 416 #elif OS(DARWIN) && defined(TARGET_OS_MAC) && TARGET_OS_MAC
 417 #define WTF_OS_MAC_OS_X 1
 418 #endif
 419
 420 /* OS(FREEBSD) - FreeBSD */
 421 #if defined(__FreeBSD__) || defined(__DragonFly__)
 422 #define WTF_OS_FREEBSD 1
 423 #endif
 424
 425 /* OS(HAIKU) - Haiku */
 426 #ifdef __HAIKU__
 427 #define WTF_OS_HAIKU 1
 428 #endif
 429
 430 /* OS(LINUX) - Linux */
 431 #ifdef __linux__
 432 #define WTF_OS_LINUX 1
 433 #endif
 434
 435 /* OS(NETBSD) - NetBSD */
 436 #if defined(__NetBSD__)
 437 #define WTF_OS_NETBSD 1
 438 #endif
 439
 440 /* OS(OPENBSD) - OpenBSD */
 441 #ifdef __OpenBSD__
 442 #define WTF_OS_OPENBSD 1
 443 #endif
 444
 445 /* OS(QNX) - QNX */
 446 #if defined(__QNXNTO__)
 447 #define WTF_OS_QNX 1
 448 #endif
 449
 450 /* OS(SOLARIS) - Solaris */
 451 #if defined(sun) || defined(__sun)
 452 #define WTF_OS_SOLARIS 1
 453 #endif
 454
 455 /* OS(WINCE) - Windows CE; note that for this platform OS(WINDOWS) is also defined */
 456 #if defined(_WIN32_WCE)
 457 #define WTF_OS_WINCE 1
 458 #endif
 459
 460 /* OS(WINDOWS) - Any version of Windows */
 461 #if defined(WIN32) || defined(_WIN32)
 462 #define WTF_OS_WINDOWS 1
 463 #endif
 464
 465 /* OS(SYMBIAN) - Symbian */
 466 #if defined (__SYMBIAN32__)
 467 #define WTF_OS_SYMBIAN 1
 468 #endif
 469
 470 /* OS(UNIX) - Any Unix-like system */
 471 #if   OS(AIX)              \
 472     || OS(ANDROID)          \
 473     || OS(DARWIN)           \
 474     || OS(FREEBSD)          \
 475     || OS(HAIKU)            \
 476     || OS(LINUX)            \
 477     || OS(NETBSD)           \
 478     || OS(OPENBSD)          \
 479     || OS(QNX)              \
 480     || OS(SOLARIS)          \
 481     || OS(SYMBIAN)          \
 482     || defined(unix)        \
 483     || defined(__unix)      \
 484     || defined(__unix__)
 485 #define WTF_OS_UNIX 1
 486 #endif
 487
 488 /* Operating environments */
 489
 490 /* FIXME: these are all mixes of OS, operating environment and policy choices. */
 491 /* PLATFORM(CHROMIUM) */
 492 /* PLATFORM(QT) */
 493 /* PLATFORM(WX) */
 494 /* PLATFORM(GTK) */
 495 /* PLATFORM(HAIKU) */
 496 /* PLATFORM(MAC) */
 497 /* PLATFORM(WIN) */
 498 #if defined(BUILDING_CHROMIUM__)
 499 #define WTF_PLATFORM_CHROMIUM 1
 500 #elif defined(BUILDING_QT__)
 501 #define WTF_PLATFORM_QT 1
 502 #elif defined(BUILDING_WX__)
 503 #define WTF_PLATFORM_WX 1
 504 #elif defined(BUILDING_GTK__)
 505 #define WTF_PLATFORM_GTK 1
 506 #elif defined(BUILDING_HAIKU__)
 507 #define WTF_PLATFORM_HAIKU 1
 508 #elif defined(BUILDING_BREWMP__)
 509 #define WTF_PLATFORM_BREWMP 1
 510 #if defined(AEE_SIMULATOR)
 511 #define WTF_PLATFORM_BREWMP_SIMULATOR 1
 512 #else
 513 #define WTF_PLATFORM_BREWMP_SIMULATOR 0
 514 #endif
 515 #undef WTF_OS_WINDOWS
 516 #undef WTF_PLATFORM_WIN
 517 #elif OS(DARWIN)
 518 #define WTF_PLATFORM_MAC 1
 519 #elif OS(WINDOWS)
 520 #define WTF_PLATFORM_WIN 1
 521 #endif
 522
 523 /* PLATFORM(IOS) */
 524 /* FIXME: this is sometimes used as an OS switch and sometimes for higher-level things */
 525 #if (defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED) || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE)
 526 #define WTF_PLATFORM_IOS 1
 527 #endif
 528
 529 /* PLATFORM(IOS_SIMULATOR) */
 530 #if defined(TARGET_IPHONE_SIMULATOR) && TARGET_IPHONE_SIMULATOR
 531 #define WTF_PLATFORM_IOS 1
 532 #define WTF_PLATFORM_IOS_SIMULATOR 1
 533 #else
 534 #define WTF_PLATFORM_IOS_SIMULATOR 0
 535 #endif
 536
 537 #if !defined(WTF_PLATFORM_IOS)
 538 #define WTF_PLATFORM_IOS 0
 539 #endif
 540
 541 /* Graphics engines */
 542
 543 /* USE(CG) and PLATFORM(CI) */
 544 #define WTF_USE_CG 1
 545 #if PLATFORM(MAC) || PLATFORM(IOS) || (PLATFORM(WIN) && USE(CG))
 546 #define WTF_USE_CA 1
 547 #endif
 548
 549 /* USE(SKIA) for Win/Linux, CG for Mac */
 550 #if PLATFORM(CHROMIUM)
 551 #if OS(DARWIN)
 552 #define WTF_USE_CG 1
 553 #define WTF_USE_ATSUI 1
 554 #define WTF_USE_CORE_TEXT 1
 555 #define WTF_USE_ICCJPEG 1
 556 #else
 557 #define WTF_USE_SKIA 1
 558 #define WTF_USE_CHROMIUM_NET 1
 559 #endif
 560 #endif
 561
 562 #if PLATFORM(BREWMP)
 563 #define WTF_USE_SKIA 1
 564 #endif
 565
 566 #if PLATFORM(GTK)
 567 #define WTF_USE_CAIRO 1
 568 #endif
 569
 570
 571 #if OS(WINCE)
 572 #include <ce_time.h>
 573 #define WTF_USE_MERSENNE_TWISTER_19937 1
 574 #endif
 575
 576 #if PLATFORM(QT) && OS(UNIX) && !OS(SYMBIAN) && !OS(DARWIN)
 577 #define WTF_USE_PTHREAD_BASED_QT 1
 578 #endif
 579
 580 #if (PLATFORM(GTK) || PLATFORM(IOS) || PLATFORM(MAC) || PLATFORM(WIN) || (PLATFORM(QT) && (OS(DARWIN) || USE(PTHREAD_BASED_QT)) && !ENABLE(SINGLE_THREADED))) && !defined(ENABLE_JSC_MULTIPLE_THREADS)
 581 #define ENABLE_JSC_MULTIPLE_THREADS 1
 582 #endif
 583
 584 #if ENABLE(JSC_MULTIPLE_THREADS)
 585 #define ENABLE_WTF_MULTIPLE_THREADS 1
 586 #endif
 587
 588 /* On Windows, use QueryPerformanceCounter by default */
 589 #if OS(WINDOWS)
 590 #define WTF_USE_QUERY_PERFORMANCE_COUNTER  1
 591 #endif
 592
 593 #if OS(WINCE) && !PLATFORM(QT)
 594 #define NOMINMAX       /* Windows min and max conflict with standard macros */
 595 #define NOSHLWAPI      /* shlwapi.h not available on WinCe */
 596
 597 /* MSDN documentation says these functions are provided with uspce.lib.  But we cannot find this file. */
 598 #define __usp10__      /* disable "usp10.h" */
 599
 600 #define _INC_ASSERT    /* disable "assert.h" */
 601 #define assert(x)
 602
 603 #endif  /* OS(WINCE) && !PLATFORM(QT) */
 604
 605 #if PLATFORM(QT)
 606 #define WTF_USE_QT4_UNICODE 1
 607 #elif OS(WINCE)
 608 #define WTF_USE_WINCE_UNICODE 1
 609 #elif PLATFORM(BREWMP)
 610 #define WTF_USE_BREWMP_UNICODE 1
 611 #elif PLATFORM(GTK)
 612 /* The GTK+ Unicode backend is configurable */
 613 #else
 614 #define WTF_USE_ICU_UNICODE 1
 615 #endif
 616
 617
 618 #if PLATFORM(CHROMIUM) && OS(DARWIN)
 619 #define WTF_USE_CF 1
 620 #define WTF_USE_PTHREADS 1
 621 #define HAVE_PTHREAD_RWLOCK 1
 622 #endif
 623
 624 #define DONT_FINALIZE_ON_MAIN_THREAD 1
 625
 626 #if PLATFORM(BREWMP)
 627 #define ENABLE_SINGLE_THREADED 1
 628 #endif
 629
 630 #if PLATFORM(QT) && OS(DARWIN)
 631 #define WTF_USE_CF 1
 632 #endif
 633
 634 #if OS(DARWIN) && !PLATFORM(GTK) && !PLATFORM(QT)
 635 #define ENABLE_PURGEABLE_MEMORY 1
 636 #endif
 637
 638 #define ENABLE_CONTEXT_MENUS 0
 639 #define ENABLE_DISK_IMAGE_CACHE 1
 640 #define ENABLE_DRAG_SUPPORT 0
 641 #define ENABLE_DATA_TRANSFER_ITEMS 0
 642 #define ENABLE_FTPDIR 1
 643 #define ENABLE_GEOLOCATION 1
 644 #define ENABLE_GEOLOCATION_PERMISSION_CACHE 1
 645 #define ENABLE_ICONDATABASE 0
 646 #define ENABLE_JAVA_BRIDGE 0
 647 #define ENABLE_NETSCAPE_PLUGIN_API 0
 648 #define ENABLE_ORIENTATION_EVENTS 1
 649 #define ENABLE_REPAINT_THROTTLING 1
 650 #define ENABLE_RESPECT_EXIF_ORIENTATION 1
 651 #define ENABLE_WEB_ARCHIVE 1
 652 #define HAVE_CFNETWORK_DATA_ARRAY_CALLBACK 1
 653 #define HAVE_PTHREAD_RWLOCK 1
 654 #define HAVE_READLINE 1
 655 #define HAVE_RUNLOOP_TIMER 0
 656 #define WTF_USE_CF 1
 657 #define WTF_USE_CFNETWORK 1
 658 #define WTF_USE_PTHREADS 1
 659 #define WTF_USE_WEB_THREAD 1
 660
 661 #undef ENABLE_PURGEABLE_MEMORY
 662
 663 #if defined(WTF_ARM_ARCH_VERSION) && WTF_ARM_ARCH_VERSION == 6
 664 #define ENABLE_INSPECTOR 0
 665 #define ENABLE_PURGEABLE_MEMORY 0
 666 #else
 667 #define ENABLE_INSPECTOR 1
 668 #define ENABLE_PURGEABLE_MEMORY 1
 669 #endif
 670
 671 #if defined(WTF_ARM_ARCH_VERSION) && WTF_ARM_ARCH_VERSION >= 7
 672     // ARMv7;
 673     #define WTF_USE_JSVALUE32_64 1
 674     #define ENABLE_INTERPRETER 1
 675     #define ENABLE_JIT 1
 676     #define ENABLE_YARR 1
 677     #define ENABLE_YARR_JIT 1
 678 #else
 679     // ARMv6; never use the JIT, use JSVALUE32_64 only if compiling with llvm.
 680     #define ENABLE_JIT 0
 681     #define ENABLE_YARR 0
 682     #define ENABLE_YARR_JIT 0
 683     /* FIXME: <rdar://problem/7478149> gcc-4.2 compiler bug with USE(JSVALUE32_64) and armv6 target */
 684     #ifdef __llvm__
 685     #define WTF_USE_JSVALUE32_64 1
 686     #else
 687     #define WTF_USE_JSVALUE32 1
 688     #endif
 689 #endif
 690
 691 #undef ENABLE_WEBGL
 692 #if defined(WTF_ARM_ARCH_VERSION) && WTF_ARM_ARCH_VERSION == 6
 693 #define ENABLE_WEBGL 0
 694 #else
 695 #define ENABLE_WEBGL 1
 696 #endif
 697
 698
 699 #if PLATFORM(ANDROID)
 700 #define WTF_USE_PTHREADS 1
 701 #define USE_SYSTEM_MALLOC 1
 702 #define ENABLE_JAVA_BRIDGE 1
 703 #define LOG_DISABLED 1
 704 /* Prevents Webkit from drawing the caret in textfields and textareas
 705    This prevents unnecessary invals. */
 706 #define ENABLE_TEXT_CARET 1
 707 #define ENABLE_JAVASCRIPT_DEBUGGER 0
 708 #if !defined(ENABLE_JIT) && !ENABLE(ANDROID_JSC_JIT)
 709 #define ENABLE_JIT 0
 710 #endif
 711 #endif
 712
 713 #if PLATFORM(WIN) && !OS(WINCE)
 714 #define WTF_USE_CF 1
 715 #define WTF_USE_PTHREADS 0
 716 #endif
 717
 718 #if PLATFORM(WIN) && !OS(WINCE) && !PLATFORM(CHROMIUM) && !defined(WIN_CAIRO)
 719 #define WTF_USE_CFNETWORK 1
 720 #endif
 721
 722 #define WTF_USE_CFURLCACHE 1
 723 #define WTF_USE_CFURLSTORAGESESSIONS 1
 724
 725 #if PLATFORM(WIN) && !OS(WINCE) && !PLATFORM(CHROMIUM) && !PLATFORM(QT)
 726 #define ENABLE_WEB_ARCHIVE 1
 727 #endif
 728
 729 #if PLATFORM(WIN) && !OS(WINCE) && !PLATFORM(CHROMIUM) && !defined(WIN_CAIRO) && !PLATFORM(QT)
 730 #define ENABLE_FULLSCREEN_API 1
 731 #endif
 732
 733 #if PLATFORM(WX)
 734 #define ENABLE_ASSEMBLER 1
 735 #define ENABLE_GLOBAL_FASTMALLOC_NEW 0
 736 #if OS(DARWIN)
 737 #define WTF_USE_CF 1
 738 #define WTF_USE_CORE_TEXT 1
 739 #define ENABLE_WEB_ARCHIVE 1
 740 #endif
 741 #endif
 742
 743 #if PLATFORM(GTK)
 744 #if HAVE(PTHREAD_H)
 745 #define WTF_USE_PTHREADS 1
 746 #define HAVE_PTHREAD_RWLOCK 1
 747 #endif
 748 #endif
 749
 750 #if PLATFORM(HAIKU)
 751 #define HAVE_POSIX_MEMALIGN 1
 752 #define WTF_USE_CURL 1
 753 #define WTF_USE_PTHREADS 1
 754 #define HAVE_PTHREAD_RWLOCK 1
 755 #define USE_SYSTEM_MALLOC 1
 756 #define ENABLE_NETSCAPE_PLUGIN_API 0
 757 #endif
 758
 759 #if PLATFORM(BREWMP)
 760 #define USE_SYSTEM_MALLOC 1
 761 #endif
 762
 763 #if PLATFORM(BREWMP_SIMULATOR)
 764 #define ENABLE_JIT 0
 765 #endif
 766
 767 #if !defined(HAVE_ACCESSIBILITY)
 768 #define HAVE_ACCESSIBILITY 1
 769 #endif /* !defined(HAVE_ACCESSIBILITY) */
 770
 771 #if OS(UNIX) && !OS(SYMBIAN)
 772 #define HAVE_SIGNAL_H 1
 773 #endif
 774
 775 #if !defined(HAVE_STRNSTR)
 776 #if OS(DARWIN) || OS(FREEBSD)
 777 #define HAVE_STRNSTR 1
 778 #endif
 779 #endif
 780
 781 #if !OS(WINDOWS) && !OS(SOLARIS) && !OS(QNX) \
 782     && !OS(SYMBIAN) && !OS(HAIKU) && !OS(RVCT) \
 783     && !OS(ANDROID) && !PLATFORM(BREWMP)
 784 #define HAVE_TM_GMTOFF 1
 785 #define HAVE_TM_ZONE 1
 786 #define HAVE_TIMEGM 1
 787 #endif
 788
 789 #if OS(DARWIN)
 790
 791 #define HAVE_ERRNO_H 1
 792 #define HAVE_LANGINFO_H 1
 793 #define HAVE_MMAP 1
 794 #define HAVE_MERGESORT 1
 795 #define HAVE_SBRK 1
 796 #define HAVE_STRINGS_H 1
 797 #define HAVE_SYS_PARAM_H 1
 798 #define HAVE_SYS_TIME_H 1
 799 #define HAVE_SYS_TIMEB_H 1
 800 #define WTF_USE_ACCELERATE 1
 801
 802 #ifndef TARGETING_LEOPARD
 803
 804 #define HAVE_DISPATCH_H 1
 805 #define HAVE_HOSTED_CORE_ANIMATION 1
 806
 807
 808 #endif
 809
 810 #define HAVE_MADV_FREE 1
 811 #define HAVE_PTHREAD_SETNAME_NP 1
 812
 813 #elif OS(WINDOWS)
 814
 815 #if OS(WINCE)
 816 #define HAVE_ERRNO_H 0
 817 #else
 818 #define HAVE_SYS_TIMEB_H 1
 819 #define HAVE_ALIGNED_MALLOC 1
 820 #define HAVE_ISDEBUGGERPRESENT 1
 821 #endif
 822 #define HAVE_VIRTUALALLOC 1
 823
 824 #elif OS(SYMBIAN)
 825
 826 #define HAVE_ERRNO_H 1
 827 #define HAVE_MMAP 0
 828 #define HAVE_SBRK 1
 829
 830 #define HAVE_SYS_TIME_H 1
 831 #define HAVE_STRINGS_H 1
 832
 833 #if !COMPILER(RVCT)
 834 #define HAVE_SYS_PARAM_H 1
 835 #endif
 836
 837 #elif PLATFORM(BREWMP)
 838
 839 #define HAVE_ERRNO_H 1
 840
 841 #elif OS(QNX)
 842
 843 #define HAVE_ERRNO_H 1
 844 #define HAVE_MMAP 1
 845 #define HAVE_SBRK 1
 846 #define HAVE_STRINGS_H 1
 847 #define HAVE_SYS_PARAM_H 1
 848 #define HAVE_SYS_TIME_H 1
 849
 850 #elif OS(ANDROID)
 851
 852 #define HAVE_ERRNO_H 1
 853 #define HAVE_LANGINFO_H 0
 854 #define HAVE_MMAP 1
 855 #define HAVE_SBRK 1
 856 #define HAVE_STRINGS_H 1
 857 #define HAVE_SYS_PARAM_H 1
 858 #define HAVE_SYS_TIME_H 1
 859
 860 #else
 861
 862 /* FIXME: is this actually used or do other platforms generate their own config.h? */
 863
 864 #define HAVE_ERRNO_H 1
 865 /* As long as Haiku doesn't have a complete support of locale this will be disabled. */
 866 #if !OS(HAIKU)
 867 #define HAVE_LANGINFO_H 1
 868 #endif
 869 #define HAVE_MMAP 1
 870 #define HAVE_SBRK 1
 871 #define HAVE_STRINGS_H 1
 872 #define HAVE_SYS_PARAM_H 1
 873 #define HAVE_SYS_TIME_H 1
 874
 875 #endif
 876
 877 /* ENABLE macro defaults */
 878
 879 #if PLATFORM(QT)
 880 /* We must not customize the global operator new and delete for the Qt port. */
 881 #define ENABLE_GLOBAL_FASTMALLOC_NEW 0
 882 #if !OS(UNIX) || OS(SYMBIAN)
 883 #define USE_SYSTEM_MALLOC 1
 884 #endif
 885 #endif
 886
 887 /* fastMalloc match validation allows for runtime verification that
 888    new is matched by delete, fastMalloc is matched by fastFree, etc. */
 889 #if !defined(ENABLE_FAST_MALLOC_MATCH_VALIDATION)
 890 #define ENABLE_FAST_MALLOC_MATCH_VALIDATION 0
 891 #endif
 892
 893 #if !defined(ENABLE_ICONDATABASE)
 894 #define ENABLE_ICONDATABASE 1
 895 #endif
 896
 897 #if !defined(ENABLE_DATABASE)
 898 #define ENABLE_DATABASE 1
 899 #endif
 900
 901 #if !defined(ENABLE_JAVASCRIPT_DEBUGGER)
 902 #define ENABLE_JAVASCRIPT_DEBUGGER 1
 903 #endif
 904
 905 #if !defined(ENABLE_FTPDIR)
 906 #define ENABLE_FTPDIR 1
 907 #endif
 908
 909 #if !defined(ENABLE_CONTEXT_MENUS)
 910 #define ENABLE_CONTEXT_MENUS 1
 911 #endif
 912
 913 #if !defined(ENABLE_DISK_IMAGE_CACHE)
 914 #define ENABLE_DISK_IMAGE_CACHE 0
 915 #endif
 916
 917 #if !defined(ENABLE_DRAG_SUPPORT)
 918 #define ENABLE_DRAG_SUPPORT 1
 919 #endif
 920
 921 #if !defined(ENABLE_DATA_TRANSFER_ITEMS)
 922 #define ENABLE_DATA_TRANSFER_ITEMS 0
 923 #endif
 924
 925 #if !defined(ENABLE_DASHBOARD_SUPPORT)
 926 #define ENABLE_DASHBOARD_SUPPORT 0
 927 #endif
 928
 929 #if !defined(ENABLE_GEOLOCATION_PERMISSION_CACHE)
 930 #define ENABLE_GEOLOCATION_PERMISSION_CACHE 0
 931 #endif
 932
 933 #if !defined(ENABLE_INSPECTOR)
 934 #define ENABLE_INSPECTOR 1
 935 #endif
 936
 937 #if !defined(ENABLE_JAVA_BRIDGE)
 938 #define ENABLE_JAVA_BRIDGE 0
 939 #endif
 940
 941 #if !defined(ENABLE_NETSCAPE_PLUGIN_API)
 942 #define ENABLE_NETSCAPE_PLUGIN_API 1
 943 #endif
 944
 945 #if !defined(ENABLE_NETSCAPE_PLUGIN_METADATA_CACHE)
 946 #define ENABLE_NETSCAPE_PLUGIN_METADATA_CACHE 0
 947 #endif
 948
 949 #if !defined(ENABLE_PURGEABLE_MEMORY)
 950 #define ENABLE_PURGEABLE_MEMORY 0
 951 #endif
 952
 953 #if !defined(WTF_USE_PLUGIN_HOST_PROCESS)
 954 #define WTF_USE_PLUGIN_HOST_PROCESS 0
 955 #endif
 956
 957 #if !defined(ENABLE_ORIENTATION_EVENTS)
 958 #define ENABLE_ORIENTATION_EVENTS 0
 959 #endif
 960
 961 #if !defined(ENABLE_RESPECT_EXIF_ORIENTATION)
 962 #define ENABLE_RESPECT_EXIF_ORIENTATION 0
 963 #endif
 964
 965 #if !defined(ENABLE_OPCODE_STATS)
 966 #define ENABLE_OPCODE_STATS 0
 967 #endif
 968
 969 #if !defined(ENABLE_GLOBAL_FASTMALLOC_NEW)
 970 #define ENABLE_GLOBAL_FASTMALLOC_NEW 1
 971 #endif
 972
 973 #define ENABLE_DEBUG_WITH_BREAKPOINT 0
 974 #define ENABLE_SAMPLING_COUNTERS 0
 975 #define ENABLE_SAMPLING_FLAGS 0
 976 #define ENABLE_OPCODE_SAMPLING 0
 977 #define ENABLE_CODEBLOCK_SAMPLING 0
 978 #if ENABLE(CODEBLOCK_SAMPLING) && !ENABLE(OPCODE_SAMPLING)
 979 #error "CODEBLOCK_SAMPLING requires OPCODE_SAMPLING"
 980 #endif
 981 #if ENABLE(OPCODE_SAMPLING) || ENABLE(SAMPLING_FLAGS)
 982 #define ENABLE_SAMPLING_THREAD 1
 983 #endif
 984
 985 #if !defined(ENABLE_GEOLOCATION)
 986 #define ENABLE_GEOLOCATION 0
 987 #endif
 988
 989 #if !defined(ENABLE_GESTURE_RECOGNIZER)
 990 #define ENABLE_GESTURE_RECOGNIZER 0
 991 #endif
 992
 993 #if !defined(ENABLE_NOTIFICATIONS)
 994 #define ENABLE_NOTIFICATIONS 0
 995 #endif
 996
 997 #define ENABLE_TEXT_CARET 0
 998
 999 #if !defined(ENABLE_TEXT_CARET)
1000 #define ENABLE_TEXT_CARET 1
1001 #endif
1002
1003 #if !defined(ENABLE_ON_FIRST_TEXTAREA_FOCUS_SELECT_ALL)
1004 #define ENABLE_ON_FIRST_TEXTAREA_FOCUS_SELECT_ALL 0
1005 #endif
1006
1007 #if !defined(ENABLE_FULLSCREEN_API)
1008 #define ENABLE_FULLSCREEN_API 0
1009 #endif
1010
1011 #if !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32_64)
1012 #if (CPU(X86_64) && (OS(UNIX) || OS(WINDOWS))) \
1013     || (CPU(IA64) && !CPU(IA64_32)) \
1014     || CPU(ALPHA) \
1015     || CPU(SPARC64) \
1016     || CPU(S390X) \
1017     || CPU(PPC64)
1018 #define WTF_USE_JSVALUE64 1
1019 #else
1020 #define WTF_USE_JSVALUE32_64 1
1021 #endif
1022 #endif /* !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32_64) */
1023
1024 #if !defined(ENABLE_REPAINT_THROTTLING)
1025 #define ENABLE_REPAINT_THROTTLING 0
1026 #endif
1027
1028 /* Disable the JIT on versions of GCC prior to 4.1 */
1029 #if !defined(ENABLE_JIT) && COMPILER(GCC) && !GCC_VERSION_AT_LEAST(4, 1, 0)
1030 #define ENABLE_JIT 0
1031 #endif
1032
1033 /* JIT is not implemented for 64 bit on MSVC */
1034 #if !defined(ENABLE_JIT) && COMPILER(MSVC) && CPU(X86_64)
1035 #define ENABLE_JIT 0
1036 #endif
1037
1038 /* The JIT is enabled by default on all x86, x64-64, ARM & MIPS platforms. */
1039 #if !defined(ENABLE_JIT) \
1040     && (CPU(X86) || CPU(X86_64) || CPU(ARM) || CPU(MIPS)) \
1041     && (OS(DARWIN) || !COMPILER(GCC) || GCC_VERSION_AT_LEAST(4, 1, 0)) \
1042     && !OS(WINCE)
1043 #define ENABLE_JIT 1
1044 #endif
1045
1046 /* Currently only implemented for JSVALUE64, only tested on PLATFORM(MAC) */
1047 #if ENABLE(JIT) && USE(JSVALUE64) && PLATFORM(MAC)
1048 #define ENABLE_DFG_JIT 0
1049 /* Enabled with restrictions to circumvent known performance regressions. */
1050 #define ENABLE_DFG_JIT_RESTRICTIONS 0
1051 #endif
1052
1053 /* Ensure that either the JIT or the interpreter has been enabled. */
1054 #if !defined(ENABLE_INTERPRETER) && !ENABLE(JIT)
1055 #define ENABLE_INTERPRETER 1
1056 #endif
1057 #if !(ENABLE(JIT) || ENABLE(INTERPRETER))
1058 #error You have to have at least one execution model enabled to build JSC
1059 #endif
1060
1061 #if CPU(SH4) && PLATFORM(QT)
1062 #define ENABLE_JIT 1
1063 #define ENABLE_YARR 1
1064 #define ENABLE_YARR_JIT 1
1065 #define WTF_USE_JIT_STUB_ARGUMENT_REGISTER 1
1066 #define ENABLE_ASSEMBLER 1
1067 #endif
1068
1069 /* Configure the JIT */
1070 #if ENABLE(JIT)
1071     #if CPU(ARM)
1072     #if !defined(ENABLE_JIT_USE_SOFT_MODULO) && WTF_ARM_ARCH_AT_LEAST(5)
1073     #define ENABLE_JIT_USE_SOFT_MODULO 1
1074     #endif
1075     #endif
1076
1077     #ifndef ENABLE_JIT_OPTIMIZE_CALL
1078     #define ENABLE_JIT_OPTIMIZE_CALL 1
1079     #endif
1080     #ifndef ENABLE_JIT_OPTIMIZE_NATIVE_CALL
1081     #define ENABLE_JIT_OPTIMIZE_NATIVE_CALL 1
1082     #endif
1083     #ifndef ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS
1084     #define ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS 1
1085     #endif
1086     #ifndef ENABLE_JIT_OPTIMIZE_METHOD_CALLS
1087     #define ENABLE_JIT_OPTIMIZE_METHOD_CALLS 1
1088     #endif
1089 #endif
1090
1091 #if CPU(X86) && COMPILER(MSVC)
1092 #define JSC_HOST_CALL __fastcall
1093 #elif CPU(X86) && COMPILER(GCC)
1094 #define JSC_HOST_CALL __attribute__ ((fastcall))
1095 #else
1096 #define JSC_HOST_CALL
1097 #endif
1098
1099 /* Configure the interpreter */
1100 #if COMPILER(GCC) || (RVCT_VERSION_AT_LEAST(4, 0, 0, 0) && defined(__GNUC__))
1101 #define HAVE_COMPUTED_GOTO 1
1102 #endif
1103 #if HAVE(COMPUTED_GOTO) && ENABLE(INTERPRETER)
1104 #define ENABLE_COMPUTED_GOTO_INTERPRETER 1
1105 #endif
1106
1107 /* Regular Expression Tracing - Set to 1 to trace RegExp's in jsc.  Results dumped at exit */
1108 #define ENABLE_REGEXP_TRACING 0
1109
1110 /* Yet Another Regex Runtime - turned on by default for JIT enabled ports. */
1111 #if PLATFORM(CHROMIUM)
1112 #define ENABLE_YARR_JIT 0
1113
1114 #elif ENABLE(JIT) && !defined(ENABLE_YARR_JIT)
1115 #define ENABLE_YARR_JIT 1
1116
1117 /* Setting this flag compares JIT results with interpreter results. */
1118 #define ENABLE_YARR_JIT_DEBUG 0
1119 #endif
1120
1121 #if ENABLE(JIT) || ENABLE(YARR_JIT)
1122 #define ENABLE_ASSEMBLER 1
1123 #endif
1124
1125 /* Pick which allocator to use; we only need an executable allocator if the assembler is compiled in.
1126    On x86-64 we use a single fixed mmap, on other platforms we mmap on demand. */
1127 #if ENABLE(ASSEMBLER)
1128 #define ENABLE_EXECUTABLE_ALLOCATOR_FIXED 1
1129 #endif
1130
1131 #if !defined(ENABLE_PAN_SCROLLING) && OS(WINDOWS)
1132 #define ENABLE_PAN_SCROLLING 1
1133 #endif
1134
1135 #if !defined(ENABLE_SMOOTH_SCROLLING)
1136 #define ENABLE_SMOOTH_SCROLLING 0
1137 #endif
1138
1139 #if !defined(ENABLE_WEB_ARCHIVE)
1140 #define ENABLE_WEB_ARCHIVE 0
1141 #endif
1142
1143 /* Use the QXmlStreamReader implementation for XMLDocumentParser */
1144 /* Use the QXmlQuery implementation for XSLTProcessor */
1145 #if PLATFORM(QT)
1146 #define WTF_USE_QXMLSTREAM 1
1147 #define WTF_USE_QXMLQUERY 1
1148 #endif
1149
1150 #if PLATFORM(MAC)
1151 /* Complex text framework */
1152 #ifndef BUILDING_ON_LEOPARD
1153 #define WTF_USE_ATSUI 0
1154 #define WTF_USE_CORE_TEXT 1
1155 #else
1156 #define WTF_USE_ATSUI 1
1157 #define WTF_USE_CORE_TEXT 0
1158 #endif
1159 #endif
1160
1161 /* Accelerated compositing */
1162 #if PLATFORM(MAC) || PLATFORM(IOS) || PLATFORM(QT) || (PLATFORM(WIN) && !OS(WINCE) &&!defined(WIN_CAIRO))
1163 #define WTF_USE_ACCELERATED_COMPOSITING 1
1164 #endif
1165
1166 #if (PLATFORM(MAC) && !defined(BUILDING_ON_LEOPARD)) || PLATFORM(IOS)
1167 #define WTF_USE_PROTECTION_SPACE_AUTH_CALLBACK 1
1168 #endif
1169
1170
1171 #if COMPILER(GCC)
1172 #define WARN_UNUSED_RETURN __attribute__ ((warn_unused_result))
1173 #else
1174 #define WARN_UNUSED_RETURN
1175 #endif
1176
1177 #if !ENABLE(NETSCAPE_PLUGIN_API) || (ENABLE(NETSCAPE_PLUGIN_API) && ((OS(UNIX) && (PLATFORM(QT) || PLATFORM(WX))) || PLATFORM(GTK)))
1178 #define ENABLE_PLUGIN_PACKAGE_SIMPLE_HASH 1
1179 #endif
1180
1181 /* Set up a define for a common error that is intended to cause a build error -- thus the space after Error. */
1182 #define WTF_PLATFORM_CFNETWORK Error USE_macro_should_be_used_with_CFNETWORK
1183
1184 #define ENABLE_JSC_ZOMBIES 0
1185
1186 /* FIXME: Eventually we should enable this for all platforms and get rid of the define. */
1187 #define WTF_USE_PLATFORM_STRATEGIES 1
1188
1189 #if PLATFORM(WIN)
1190 #define WTF_USE_CROSS_PLATFORM_CONTEXT_MENUS 1
1191 #endif
1192
1193 /* Geolocation request policy. pre-emptive policy is to acquire user permission before acquiring location.
1194    Client based implementations will have option to choose between pre-emptive and nonpre-emptive permission policy.
1195    pre-emptive permission policy is enabled by default for all client-based implementations. */
1196 #if ENABLE(CLIENT_BASED_GEOLOCATION)
1197 #define WTF_USE_PREEMPT_GEOLOCATION_PERMISSION 1
1198 #endif
1199
1200 #if CPU(ARM_THUMB2)
1201 #define ENABLE_BRANCH_COMPACTION 1
1202 #endif
1203
1204 #if !defined(ENABLE_THREADING_OPENMP) && defined(_OPENMP)
1205 #define ENABLE_THREADING_OPENMP 1
1206 #endif
1207
1208 #if !defined(ENABLE_PARALLEL_JOBS) && !ENABLE(SINGLE_THREADED) && (ENABLE(THREADING_GENERIC) || ENABLE(THREADING_LIBDISPATCH) || ENABLE(THREADING_OPENMP))
1209 #define ENABLE_PARALLEL_JOBS 1
1210 #endif
1211
1212 #if ENABLE(GLIB_SUPPORT)
1213 #include "GTypedefs.h"
1214 #endif
1215
1216 /* FIXME: This define won't be needed once #27551 is fully landed. However,
1217    since most ports try to support sub-project independence, adding new headers
1218    to WTF causes many ports to break, and so this way we can address the build
1219    breakages one port at a time. */
1220 #define WTF_USE_EXPORT_MACROS 0
1221
1222 #if (PLATFORM(QT) && !OS(SYMBIAN)) || PLATFORM(GTK)
1223 #define WTF_USE_UNIX_DOMAIN_SOCKETS 1
1224 #endif
1225
1226 #ifndef NDEBUG
1227 #ifndef ENABLE_GC_VALIDATION
1228 #define ENABLE_GC_VALIDATION 1
1229 #endif
1230 #endif
1231
1232 #endif /* WTF_Platform_h */