wtf/Platform.h

   1 /*
   2  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef WTF_Platform_h
  27 #define WTF_Platform_h
  28
  29 /* PLATFORM handles OS, operating environment, graphics API, and CPU */
  30 #define PLATFORM(WTF_FEATURE) (defined( WTF_PLATFORM_##WTF_FEATURE ) && WTF_PLATFORM_##WTF_FEATURE)
  31 #define COMPILER(WTF_FEATURE) (defined( WTF_COMPILER_##WTF_FEATURE ) && WTF_COMPILER_##WTF_FEATURE)
  32 #define HAVE(WTF_FEATURE) (defined( HAVE_##WTF_FEATURE ) && HAVE_##WTF_FEATURE)
  33 #define USE(WTF_FEATURE) (defined( WTF_USE_##WTF_FEATURE ) && WTF_USE_##WTF_FEATURE)
  34 #define ENABLE(WTF_FEATURE) (defined( ENABLE_##WTF_FEATURE ) && ENABLE_##WTF_FEATURE)
  35
  36 /* Operating systems - low-level dependencies */
  37
  38 /* PLATFORM(DARWIN) */
  39 /* Operating system level dependencies for Mac OS X / Darwin that should */
  40 /* be used regardless of operating environment */
  41 #ifdef __APPLE__
  42 #define WTF_PLATFORM_DARWIN 1
  43 #include <TargetConditionals.h>
  44 #endif
  45
  46 /* PLATFORM(WIN_OS) */
  47 /* Operating system level dependencies for Windows that should be used */
  48 /* regardless of operating environment */
  49 #if defined(WIN32) || defined(_WIN32)
  50 #define WTF_PLATFORM_WIN_OS 1
  51 #endif
  52
  53 /* PLATFORM(WIN_CE) */
  54 /* Operating system level dependencies for Windows CE that should be used */
  55 /* regardless of operating environment */
  56 /* Note that for this platform PLATFORM(WIN_OS) is also defined. */
  57 #if defined(_WIN32_WCE)
  58 #define WTF_PLATFORM_WIN_CE 1
  59 #endif
  60
  61 /* PLATFORM(FREEBSD) */
  62 /* Operating system level dependencies for FreeBSD-like systems that */
  63 /* should be used regardless of operating environment */
  64 #ifdef __FreeBSD__
  65 #define WTF_PLATFORM_FREEBSD 1
  66 #endif
  67
  68 /* PLATFORM(OPENBSD) */
  69 /* Operating system level dependencies for OpenBSD systems that */
  70 /* should be used regardless of operating environment */
  71 #ifdef __OpenBSD__
  72 #define WTF_PLATFORM_OPENBSD 1
  73 #endif
  74
  75 /* PLATFORM(SOLARIS) */
  76 /* Operating system level dependencies for Solaris that should be used */
  77 /* regardless of operating environment */
  78 #if defined(sun) || defined(__sun)
  79 #define WTF_PLATFORM_SOLARIS 1
  80 #endif
  81
  82 #if defined (__S60__) || defined (__SYMBIAN32__)
  83 /* we are cross-compiling, it is not really windows */
  84 #undef WTF_PLATFORM_WIN_OS
  85 #undef WTF_PLATFORM_WIN
  86 #undef WTF_PLATFORM_CAIRO
  87 #define WTF_PLATFORM_S60 1
  88 #define WTF_PLATFORM_SYMBIAN 1
  89 #endif
  90
  91
  92 /* PLATFORM(NETBSD) */
  93 /* Operating system level dependencies for NetBSD that should be used */
  94 /* regardless of operating environment */
  95 #if defined(__NetBSD__)
  96 #define WTF_PLATFORM_NETBSD 1
  97 #endif
  98
  99 /* PLATFORM(UNIX) */
 100 /* Operating system level dependencies for Unix-like systems that */
 101 /* should be used regardless of operating environment */
 102 #if   PLATFORM(DARWIN)     \
 103    || PLATFORM(FREEBSD)    \
 104    || PLATFORM(S60)        \
 105    || PLATFORM(NETBSD)     \
 106    || defined(unix)        \
 107    || defined(__unix)      \
 108    || defined(__unix__)    \
 109    || defined(_AIX)
 110 #define WTF_PLATFORM_UNIX 1
 111 #endif
 112
 113 /* Operating environments */
 114
 115 /* PLATFORM(CHROMIUM) */
 116 /* PLATFORM(QT) */
 117 /* PLATFORM(GTK) */
 118 /* PLATFORM(MAC) */
 119 /* PLATFORM(WIN) */
 120 #if defined(BUILDING_CHROMIUM__)
 121 #define WTF_PLATFORM_CHROMIUM 1
 122 #elif defined(BUILDING_QT__)
 123 #define WTF_PLATFORM_QT 1
 124
 125 /* PLATFORM(KDE) */
 126 #if defined(BUILDING_KDE__)
 127 #define WTF_PLATFORM_KDE 1
 128 #endif
 129
 130 #elif defined(BUILDING_WX__)
 131 #define WTF_PLATFORM_WX 1
 132 #elif defined(BUILDING_GTK__)
 133 #define WTF_PLATFORM_GTK 1
 134 #elif PLATFORM(DARWIN)
 135 #define WTF_PLATFORM_MAC 1
 136 #elif PLATFORM(WIN_OS)
 137 #define WTF_PLATFORM_WIN 1
 138 #endif
 139
 140 /* PLATFORM(IPHONE) */
 141 #if TARGET_OS_EMBEDDED || TARGET_OS_IPHONE
 142 #define WTF_PLATFORM_IPHONE 1
 143 #endif
 144
 145 /* PLATFORM(IPHONE_SIMULATOR) */
 146 #if TARGET_IPHONE_SIMULATOR
 147 #define WTF_PLATFORM_IPHONE 1
 148 #define WTF_PLATFORM_IPHONE_SIMULATOR 1
 149 #else
 150 #define WTF_PLATFORM_IPHONE_SIMULATOR 0
 151 #endif
 152
 153 #if !defined(WTF_PLATFORM_IPHONE)
 154 #define WTF_PLATFORM_IPHONE 0
 155 #endif
 156
 157 /* Graphics engines */
 158
 159 /* PLATFORM(CG) and PLATFORM(CI) */
 160 #define WTF_PLATFORM_CG 1
 161
 162 /* PLATFORM(SKIA) for Win/Linux, CG/CI for Mac */
 163 #if PLATFORM(CHROMIUM)
 164 #if PLATFORM(DARWIN)
 165 #define WTF_PLATFORM_CG 1
 166 #define WTF_PLATFORM_CI 1
 167 #define WTF_USE_ATSUI 1
 168 #else
 169 #define WTF_PLATFORM_SKIA 1
 170 #endif
 171 #endif
 172
 173 /* Makes PLATFORM(WIN) default to PLATFORM(CAIRO) */
 174 /* FIXME: This should be changed from a blacklist to a whitelist */
 175 #if !PLATFORM(MAC) && !PLATFORM(QT) && !PLATFORM(WX) && !PLATFORM(CHROMIUM)
 176 #define WTF_PLATFORM_CAIRO 1
 177 #endif
 178
 179 /* CPU */
 180
 181 /* PLATFORM(PPC) */
 182 #if   defined(__ppc__)     \
 183    || defined(__PPC__)     \
 184    || defined(__powerpc__) \
 185    || defined(__powerpc)   \
 186    || defined(__POWERPC__) \
 187    || defined(_M_PPC)      \
 188    || defined(__PPC)
 189 #define WTF_PLATFORM_PPC 1
 190 #define WTF_PLATFORM_BIG_ENDIAN 1
 191 #endif
 192
 193 /* PLATFORM(PPC64) */
 194 #if   defined(__ppc64__) \
 195    || defined(__PPC64__)
 196 #define WTF_PLATFORM_PPC64 1
 197 #define WTF_PLATFORM_BIG_ENDIAN 1
 198 #endif
 199
 200 /* PLATFORM(ARM) */
 201 #if   defined(arm) \
 202    || defined(__arm__)
 203 #define WTF_PLATFORM_ARM 1
 204 #if defined(__ARMEB__)
 205 #define WTF_PLATFORM_BIG_ENDIAN 1
 206 #elif !defined(__ARM_EABI__) && !defined(__ARMEB__) && !defined(__VFP_FP__)
 207 #define WTF_PLATFORM_MIDDLE_ENDIAN 1
 208 #endif
 209 #if !defined(__ARM_EABI__)
 210 #define WTF_PLATFORM_FORCE_PACK 1
 211 #endif
 212 #endif
 213
 214 /* PLATFORM(X86) */
 215 #if   defined(__i386__) \
 216    || defined(i386)     \
 217    || defined(_M_IX86)  \
 218    || defined(_X86_)    \
 219    || defined(__THW_INTEL)
 220 #define WTF_PLATFORM_X86 1
 221 #endif
 222
 223 /* PLATFORM(X86_64) */
 224 #if   defined(__x86_64__) \
 225    || defined(__ia64__) \
 226    || defined(_M_X64)
 227 #define WTF_PLATFORM_X86_64 1
 228 #endif
 229
 230 /* PLATFORM(SPARC64) */
 231 #if defined(__sparc64__)
 232 #define WTF_PLATFORM_SPARC64 1
 233 #define WTF_PLATFORM_BIG_ENDIAN 1
 234 #endif
 235
 236 /* PLATFORM(WIN_CE) && PLATFORM(QT)
 237    We can not determine the endianess at compile time. For
 238    Qt for Windows CE the endianess is specified in the
 239    device specific makespec
 240 */
 241 #if PLATFORM(WIN_CE) && PLATFORM(QT)
 242 #   include <QtGlobal>
 243 #   undef WTF_PLATFORM_BIG_ENDIAN
 244 #   undef WTF_PLATFORM_MIDDLE_ENDIAN
 245 #   if Q_BYTE_ORDER == Q_BIG_EDIAN
 246 #       define WTF_PLATFORM_BIG_ENDIAN 1
 247 #   endif
 248 #endif
 249
 250 /* Compiler */
 251
 252 /* COMPILER(MSVC) */
 253 #if defined(_MSC_VER)
 254 #define WTF_COMPILER_MSVC 1
 255 #if _MSC_VER < 1400
 256 #define WTF_COMPILER_MSVC7 1
 257 #endif
 258 #endif
 259
 260 /* COMPILER(GCC) */
 261 #if defined(__GNUC__)
 262 #define WTF_COMPILER_GCC 1
 263 #endif
 264
 265 /* COMPILER(MINGW) */
 266 #if defined(MINGW) || defined(__MINGW32__)
 267 #define WTF_COMPILER_MINGW 1
 268 #endif
 269
 270 /* COMPILER(BORLAND) */
 271 /* not really fully supported - is this relevant any more? */
 272 #if defined(__BORLANDC__)
 273 #define WTF_COMPILER_BORLAND 1
 274 #endif
 275
 276 /* COMPILER(CYGWIN) */
 277 /* not really fully supported - is this relevant any more? */
 278 #if defined(__CYGWIN__)
 279 #define WTF_COMPILER_CYGWIN 1
 280 #endif
 281
 282 /* COMPILER(RVCT) */
 283 #if defined(__CC_ARM) || defined(__ARMCC__)
 284 #define WTF_COMPILER_RVCT 1
 285 #endif
 286
 287 /* COMPILER(WINSCW) */
 288 #if defined(__WINSCW__)
 289 #define WTF_COMPILER_WINSCW 1
 290 #endif
 291
 292 #if (PLATFORM(IPHONE) || PLATFORM(MAC) || PLATFORM(WIN)) && !defined(ENABLE_JSC_MULTIPLE_THREADS)
 293 #define ENABLE_JSC_MULTIPLE_THREADS 1
 294 #endif
 295
 296 /* for Unicode, KDE uses Qt */
 297 #if PLATFORM(KDE) || PLATFORM(QT)
 298 #define WTF_USE_QT4_UNICODE 1
 299 #elif PLATFORM(SYMBIAN)
 300 #define WTF_USE_SYMBIAN_UNICODE 1
 301 #elif PLATFORM(GTK)
 302 /* The GTK+ Unicode backend is configurable */
 303 #else
 304 #define WTF_USE_ICU_UNICODE 1
 305 #endif
 306
 307
 308 #if PLATFORM(CHROMIUM) && PLATFORM(DARWIN)
 309 #define WTF_PLATFORM_CF 1
 310 #define WTF_USE_PTHREADS 1
 311 #endif
 312
 313 #define WTF_PLATFORM_CF 1
 314 #define WTF_USE_PTHREADS 1
 315 #define ENABLE_FTPDIR 1
 316 #define ENABLE_JIT 0
 317 #define ENABLE_MAC_JAVA_BRIDGE 0
 318 #define ENABLE_ICONDATABASE 0
 319 #define ENABLE_TOUCH_EVENTS 1
 320 #define ENABLE_IPHONE_PPT 1
 321 #define ENABLE_GEOLOCATION 1
 322 #define ENABLE_NETSCAPE_PLUGIN_API 0
 323 #define HAVE_READLINE 1
 324 #define DONT_FINALIZE_ON_MAIN_THREAD 1
 325 #define HAVE_MADV_FREE 1
 326 #define ENABLE_REPAINT_THROTTLING 1
 327 #define ENABLE_RESPECT_EXIF_ORIENTATION 1
 328
 329 #if PLATFORM(WIN)
 330 #define WTF_USE_WININET 1
 331 #endif
 332
 333 #if PLATFORM(WX)
 334 #define WTF_USE_CURL 1
 335 #define WTF_USE_PTHREADS 1
 336 #endif
 337
 338 #if PLATFORM(GTK)
 339 #if HAVE(PTHREAD_H)
 340 #define WTF_USE_PTHREADS 1
 341 #endif
 342 #endif
 343
 344 #if !defined(HAVE_ACCESSIBILITY)
 345 #define HAVE_ACCESSIBILITY 1
 346 #endif /* !defined(HAVE_ACCESSIBILITY) */
 347
 348 #if COMPILER(GCC)
 349 #define HAVE_COMPUTED_GOTO 1
 350 #endif
 351
 352 #if PLATFORM(DARWIN)
 353
 354 #define HAVE_ERRNO_H 1
 355 #define HAVE_MMAP 1
 356 #define HAVE_MERGESORT 1
 357 #define HAVE_SBRK 1
 358 #define HAVE_STRINGS_H 1
 359 #define HAVE_SYS_PARAM_H 1
 360 #define HAVE_SYS_TIME_H 1
 361 #define HAVE_SYS_TIMEB_H 1
 362
 363 #elif PLATFORM(WIN_OS)
 364
 365 #define HAVE_FLOAT_H 1
 366 #if PLATFORM(WIN_CE)
 367 #define HAVE_ERRNO_H 0
 368 #else
 369 #define HAVE_SYS_TIMEB_H 1
 370 #endif
 371 #define HAVE_VIRTUALALLOC 1
 372
 373 #elif PLATFORM(SYMBIAN)
 374
 375 #define HAVE_ERRNO_H 1
 376 #define HAVE_MMAP 0
 377 #define HAVE_SBRK 1
 378
 379 #define HAVE_SYS_TIME_H 1
 380 #define HAVE_STRINGS_H 1
 381
 382 #if !COMPILER(RVCT)
 383 #define HAVE_SYS_PARAM_H 1
 384 #endif
 385
 386 #else
 387
 388 /* FIXME: is this actually used or do other platforms generate their own config.h? */
 389
 390 #define HAVE_ERRNO_H 1
 391 #define HAVE_MMAP 1
 392 #define HAVE_SBRK 1
 393 #define HAVE_STRINGS_H 1
 394 #define HAVE_SYS_PARAM_H 1
 395 #define HAVE_SYS_TIME_H 1
 396
 397 #endif
 398
 399 /* ENABLE macro defaults */
 400
 401 #if !defined(ENABLE_ICONDATABASE)
 402 #define ENABLE_ICONDATABASE 1
 403 #endif
 404
 405 #if !defined(ENABLE_DATABASE)
 406 #define ENABLE_DATABASE 1
 407 #endif
 408
 409 #if !defined(ENABLE_JAVASCRIPT_DEBUGGER)
 410 #define ENABLE_JAVASCRIPT_DEBUGGER 1
 411 #endif
 412
 413 #if !defined(ENABLE_FTPDIR)
 414 #define ENABLE_FTPDIR 1
 415 #endif
 416
 417 #if !defined(ENABLE_DASHBOARD_SUPPORT)
 418 #define ENABLE_DASHBOARD_SUPPORT 0
 419 #endif
 420
 421 #if !defined(ENABLE_MAC_JAVA_BRIDGE)
 422 #define ENABLE_MAC_JAVA_BRIDGE 0
 423 #endif
 424
 425 #if !defined(ENABLE_NETSCAPE_PLUGIN_API)
 426 #define ENABLE_NETSCAPE_PLUGIN_API 1
 427 #endif
 428
 429 #if !defined(ENABLE_RESPECT_EXIF_ORIENTATION)
 430 #define ENABLE_RESPECT_EXIF_ORIENTATION 0
 431 #endif
 432
 433 #if !defined(ENABLE_TOUCH_EVENTS)
 434 #define ENABLE_TOUCH_EVENTS 0
 435 #endif
 436
 437 #if !defined(ENABLE_IPHONE_PPT)
 438 #define ENABLE_IPHONE_PPT 0
 439 #endif
 440
 441 #if !defined(ENABLE_OPCODE_STATS)
 442 #define ENABLE_OPCODE_STATS 0
 443 #endif
 444
 445 #if !defined(ENABLE_CODEBLOCK_SAMPLING)
 446 #define ENABLE_CODEBLOCK_SAMPLING 0
 447 #endif
 448
 449 #if ENABLE(CODEBLOCK_SAMPLING) && !defined(ENABLE_OPCODE_SAMPLING)
 450 #define ENABLE_OPCODE_SAMPLING 1
 451 #endif
 452
 453 #if !defined(ENABLE_OPCODE_SAMPLING)
 454 #define ENABLE_OPCODE_SAMPLING 0
 455 #endif
 456
 457 #if !defined(ENABLE_GEOLOCATION)
 458 #define ENABLE_GEOLOCATION 0
 459 #endif
 460
 461 #if !defined(ENABLE_TEXT_CARET)
 462 #define ENABLE_TEXT_CARET 1
 463 #endif
 464
 465 #if !defined(WTF_USE_ALTERNATE_JSIMMEDIATE) && PLATFORM(X86_64) && PLATFORM(MAC)
 466 #define WTF_USE_ALTERNATE_JSIMMEDIATE 1
 467 #endif
 468
 469 #if !defined(ENABLE_REPAINT_THROTTLING)
 470 #define ENABLE_REPAINT_THROTTLING 0
 471 #endif
 472
 473 #if !defined(ENABLE_JIT)
 474 /* x86-64 support is under development. */
 475 #if PLATFORM(X86_64) && PLATFORM(MAC)
 476     #define ENABLE_JIT 0
 477     #define WTF_USE_JIT_STUB_ARGUMENT_REGISTER 1
 478 /* The JIT is tested & working on x86 Mac */
 479 #elif PLATFORM(X86) && PLATFORM(MAC)
 480     #define ENABLE_JIT 1
 481     #define WTF_USE_JIT_STUB_ARGUMENT_VA_LIST 1
 482 /* The JIT is tested & working on x86 Windows */
 483 #elif PLATFORM(X86) && PLATFORM(WIN)
 484     #define ENABLE_JIT 1
 485     #define WTF_USE_JIT_STUB_ARGUMENT_REGISTER 1
 486 #endif
 487     #define ENABLE_JIT_OPTIMIZE_CALL 1
 488     #define ENABLE_JIT_OPTIMIZE_PROPERTY_ACCESS 1
 489     #define ENABLE_JIT_OPTIMIZE_ARITHMETIC 1
 490 #endif
 491
 492 #if ENABLE(JIT)
 493 #if !(USE(JIT_STUB_ARGUMENT_VA_LIST) || USE(JIT_STUB_ARGUMENT_REGISTER) || USE(JIT_STUB_ARGUMENT_STACK))
 494 #error Please define one of the JIT_STUB_ARGUMENT settings.
 495 #elif (USE(JIT_STUB_ARGUMENT_VA_LIST) && USE(JIT_STUB_ARGUMENT_REGISTER)) \
 496    || (USE(JIT_STUB_ARGUMENT_VA_LIST) && USE(JIT_STUB_ARGUMENT_STACK)) \
 497    || (USE(JIT_STUB_ARGUMENT_REGISTER) && USE(JIT_STUB_ARGUMENT_STACK))
 498 #error Please do not define more than one of the JIT_STUB_ARGUMENT settings.
 499 #endif
 500 #endif
 501
 502 /* WREC supports x86 & x86-64, and has been tested on Mac and Windows ('cept on 64-bit on Mac). */
 503 #if (!defined(ENABLE_WREC) && PLATFORM(X86) && PLATFORM(MAC)) \
 504  || (!defined(ENABLE_WREC) && PLATFORM(X86_64) && PLATFORM(MAC)) \
 505  || (!defined(ENABLE_WREC) && PLATFORM(X86) && PLATFORM(WIN))
 506 #define ENABLE_WREC 1
 507 #endif
 508
 509 #if ENABLE(JIT) || ENABLE(WREC)
 510 #define ENABLE_ASSEMBLER 1
 511 #endif
 512
 513 #if !defined(ENABLE_PAN_SCROLLING) && PLATFORM(WIN_OS)
 514 #define ENABLE_PAN_SCROLLING 1
 515 #endif
 516
 517 #if !defined(ENABLE_ACTIVEX_TYPE_CONVERSION_WMPLAYER)
 518 #define ENABLE_ACTIVEX_TYPE_CONVERSION_WMPLAYER 1
 519 #endif
 520
 521 /* Use the QtXmlStreamReader implementation for XMLTokenizer */
 522 #if PLATFORM(QT)
 523 #if !ENABLE(XSLT)
 524 #define WTF_USE_QXMLSTREAM 1
 525 #endif
 526 #endif
 527
 528 #if !PLATFORM(QT)
 529 #define WTF_USE_FONT_FAST_PATH 1
 530 #endif
 531
 532 #endif /* WTF_Platform_h */