src/lj_arch.h

   1 /*
   2 ** Target architecture selection.
   3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
   4 */
   5
   6 #ifndef _LJ_ARCH_H
   7 #define _LJ_ARCH_H
   8
   9 #include "lua.h"
  10
  11 /* -- Target definitions -------------------------------------------------- */
  12
  13 /* Target endianess. */
  14 #define LUAJIT_LE       0
  15 #define LUAJIT_BE       1
  16
  17 /* Target architectures. */
  18 #define LUAJIT_ARCH_X86         1
  19 #define LUAJIT_ARCH_x86         1
  20 #define LUAJIT_ARCH_X64         2
  21 #define LUAJIT_ARCH_x64         2
  22 #define LUAJIT_ARCH_ARM         3
  23 #define LUAJIT_ARCH_arm         3
  24 #define LUAJIT_ARCH_ARM64       4
  25 #define LUAJIT_ARCH_arm64       4
  26 #define LUAJIT_ARCH_PPC         5
  27 #define LUAJIT_ARCH_ppc         5
  28 #define LUAJIT_ARCH_MIPS        6
  29 #define LUAJIT_ARCH_mips        6
  30 #define LUAJIT_ARCH_MIPS32      6
  31 #define LUAJIT_ARCH_mips32      6
  32 #define LUAJIT_ARCH_MIPS64      7
  33 #define LUAJIT_ARCH_mips64      7
  34
  35 /* Target OS. */
  36 #define LUAJIT_OS_OTHER         0
  37 #define LUAJIT_OS_WINDOWS       1
  38 #define LUAJIT_OS_LINUX         2
  39 #define LUAJIT_OS_OSX           3
  40 #define LUAJIT_OS_BSD           4
  41 #define LUAJIT_OS_POSIX         5
  42
  43 /* Number mode. */
  44 #define LJ_NUMMODE_SINGLE       0       /* Single-number mode only. */
  45 #define LJ_NUMMODE_SINGLE_DUAL  1       /* Default to single-number mode. */
  46 #define LJ_NUMMODE_DUAL         2       /* Dual-number mode only. */
  47 #define LJ_NUMMODE_DUAL_SINGLE  3       /* Default to dual-number mode. */
  48
  49 /* -- Target detection ---------------------------------------------------- */
  50
  51 /* Select native target if no target defined. */
  52 #ifndef LUAJIT_TARGET
  53
  54 #if defined(__i386) || defined(__i386__) || defined(_M_IX86)
  55 #define LUAJIT_TARGET   LUAJIT_ARCH_X86
  56 #elif defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
  57 #define LUAJIT_TARGET   LUAJIT_ARCH_X64
  58 #elif defined(__arm__) || defined(__arm) || defined(__ARM__) || defined(__ARM)
  59 #define LUAJIT_TARGET   LUAJIT_ARCH_ARM
  60 #elif defined(__aarch64__) || defined(_M_ARM64)
  61 #define LUAJIT_TARGET   LUAJIT_ARCH_ARM64
  62 #elif defined(__ppc__) || defined(__ppc) || defined(__PPC__) || defined(__PPC) || defined(__powerpc__) || defined(__powerpc) || defined(__POWERPC__) || defined(__POWERPC) || defined(_M_PPC)
  63 #define LUAJIT_TARGET   LUAJIT_ARCH_PPC
  64 #elif defined(__mips64__) || defined(__mips64) || defined(__MIPS64__) || defined(__MIPS64)
  65 #define LUAJIT_TARGET   LUAJIT_ARCH_MIPS64
  66 #elif defined(__mips__) || defined(__mips) || defined(__MIPS__) || defined(__MIPS)
  67 #define LUAJIT_TARGET   LUAJIT_ARCH_MIPS32
  68 #else
  69 #error "Architecture not supported (in this version), see: https://luajit.org/status.html#architectures"
  70 #endif
  71
  72 #endif
  73
  74 /* Select native OS if no target OS defined. */
  75 #ifndef LUAJIT_OS
  76
  77 #if defined(_WIN32) && !defined(_XBOX_VER)
  78 #define LUAJIT_OS       LUAJIT_OS_WINDOWS
  79 #elif defined(__linux__)
  80 #define LUAJIT_OS       LUAJIT_OS_LINUX
  81 #elif defined(__MACH__) && defined(__APPLE__)
  82 #include "TargetConditionals.h"
  83 #define LUAJIT_OS       LUAJIT_OS_OSX
  84 #elif (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
  85        defined(__NetBSD__) || defined(__OpenBSD__) || \
  86        defined(__DragonFly__)) && !defined(__ORBIS__) && !defined(__PROSPERO__)
  87 #define LUAJIT_OS       LUAJIT_OS_BSD
  88 #elif (defined(__sun__) && defined(__svr4__))
  89 #define LJ_TARGET_SOLARIS       1
  90 #define LUAJIT_OS       LUAJIT_OS_POSIX
  91 #elif defined(__HAIKU__)
  92 #define LUAJIT_OS       LUAJIT_OS_POSIX
  93 #elif defined(__CYGWIN__)
  94 #define LJ_TARGET_CYGWIN        1
  95 #define LUAJIT_OS       LUAJIT_OS_POSIX
  96 #elif defined(__QNX__)
  97 #define LJ_TARGET_QNX           1
  98 #define LUAJIT_OS       LUAJIT_OS_POSIX
  99 #else
 100 #define LUAJIT_OS       LUAJIT_OS_OTHER
 101 #endif
 102
 103 #endif
 104
 105 /* Set target OS properties. */
 106 #if LUAJIT_OS == LUAJIT_OS_WINDOWS
 107 #define LJ_OS_NAME      "Windows"
 108 #elif LUAJIT_OS == LUAJIT_OS_LINUX
 109 #define LJ_OS_NAME      "Linux"
 110 #elif LUAJIT_OS == LUAJIT_OS_OSX
 111 #define LJ_OS_NAME      "OSX"
 112 #elif LUAJIT_OS == LUAJIT_OS_BSD
 113 #define LJ_OS_NAME      "BSD"
 114 #elif LUAJIT_OS == LUAJIT_OS_POSIX
 115 #define LJ_OS_NAME      "POSIX"
 116 #else
 117 #define LJ_OS_NAME      "Other"
 118 #endif
 119
 120 #define LJ_TARGET_WINDOWS       (LUAJIT_OS == LUAJIT_OS_WINDOWS)
 121 #define LJ_TARGET_LINUX         (LUAJIT_OS == LUAJIT_OS_LINUX)
 122 #define LJ_TARGET_OSX           (LUAJIT_OS == LUAJIT_OS_OSX)
 123 #define LJ_TARGET_BSD           (LUAJIT_OS == LUAJIT_OS_BSD)
 124 #define LJ_TARGET_POSIX         (LUAJIT_OS > LUAJIT_OS_WINDOWS)
 125 #define LJ_TARGET_DLOPEN        LJ_TARGET_POSIX
 126
 127 #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
 128 #define LJ_TARGET_IOS           1
 129 #else
 130 #define LJ_TARGET_IOS           0
 131 #endif
 132
 133 #ifdef __CELLOS_LV2__
 134 #define LJ_TARGET_PS3           1
 135 #define LJ_TARGET_CONSOLE       1
 136 #endif
 137
 138 #ifdef __ORBIS__
 139 #define LJ_TARGET_PS4           1
 140 #define LJ_TARGET_CONSOLE       1
 141 #undef NULL
 142 #define NULL ((void*)0)
 143 #endif
 144
 145 #ifdef __PROSPERO__
 146 #define LJ_TARGET_PS5           1
 147 #define LJ_TARGET_CONSOLE       1
 148 #undef NULL
 149 #define NULL ((void*)0)
 150 #endif
 151
 152 #ifdef __psp2__
 153 #define LJ_TARGET_PSVITA        1
 154 #define LJ_TARGET_CONSOLE       1
 155 #endif
 156
 157 #if _XBOX_VER >= 200
 158 #define LJ_TARGET_XBOX360       1
 159 #define LJ_TARGET_CONSOLE       1
 160 #endif
 161
 162 #ifdef _DURANGO
 163 #define LJ_TARGET_XBOXONE       1
 164 #define LJ_TARGET_CONSOLE       1
 165 #define LJ_TARGET_GC64          1
 166 #endif
 167
 168 #ifdef __NX__
 169 #define LJ_TARGET_NX            1
 170 #define LJ_TARGET_CONSOLE       1
 171 #undef NULL
 172 #define NULL ((void*)0)
 173 #endif
 174
 175 #ifdef _UWP
 176 #define LJ_TARGET_UWP           1
 177 #if LUAJIT_TARGET == LUAJIT_ARCH_X64
 178 #define LJ_TARGET_GC64          1
 179 #endif
 180 #endif
 181
 182 /* -- Arch-specific settings ---------------------------------------------- */
 183
 184 /* Set target architecture properties. */
 185 #if LUAJIT_TARGET == LUAJIT_ARCH_X86
 186
 187 #define LJ_ARCH_NAME            "x86"
 188 #define LJ_ARCH_BITS            32
 189 #define LJ_ARCH_ENDIAN          LUAJIT_LE
 190 #define LJ_TARGET_X86           1
 191 #define LJ_TARGET_X86ORX64      1
 192 #define LJ_TARGET_EHRETREG      0
 193 #define LJ_TARGET_EHRAREG       8
 194 #define LJ_TARGET_MASKSHIFT     1
 195 #define LJ_TARGET_MASKROT       1
 196 #define LJ_TARGET_UNALIGNED     1
 197 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_SINGLE_DUAL
 198
 199 #elif LUAJIT_TARGET == LUAJIT_ARCH_X64
 200
 201 #define LJ_ARCH_NAME            "x64"
 202 #define LJ_ARCH_BITS            64
 203 #define LJ_ARCH_ENDIAN          LUAJIT_LE
 204 #define LJ_TARGET_X64           1
 205 #define LJ_TARGET_X86ORX64      1
 206 #define LJ_TARGET_EHRETREG      0
 207 #define LJ_TARGET_EHRAREG       16
 208 #define LJ_TARGET_JUMPRANGE     31      /* +-2^31 = +-2GB */
 209 #define LJ_TARGET_MASKSHIFT     1
 210 #define LJ_TARGET_MASKROT       1
 211 #define LJ_TARGET_UNALIGNED     1
 212 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_SINGLE_DUAL
 213 #ifndef LUAJIT_DISABLE_GC64
 214 #define LJ_TARGET_GC64          1
 215 #elif LJ_TARGET_OSX
 216 #error "macOS requires GC64 -- don't disable it"
 217 #endif
 218
 219 #elif LUAJIT_TARGET == LUAJIT_ARCH_ARM
 220
 221 #define LJ_ARCH_NAME            "arm"
 222 #define LJ_ARCH_BITS            32
 223 #define LJ_ARCH_ENDIAN          LUAJIT_LE
 224 #if !defined(LJ_ARCH_HASFPU) && __SOFTFP__
 225 #define LJ_ARCH_HASFPU          0
 226 #endif
 227 #if !defined(LJ_ABI_SOFTFP) && !__ARM_PCS_VFP
 228 #define LJ_ABI_SOFTFP           1
 229 #endif
 230 #define LJ_ABI_EABI             1
 231 #define LJ_TARGET_ARM           1
 232 #define LJ_TARGET_EHRETREG      0
 233 #define LJ_TARGET_EHRAREG       14
 234 #define LJ_TARGET_JUMPRANGE     25      /* +-2^25 = +-32MB */
 235 #define LJ_TARGET_MASKSHIFT     0
 236 #define LJ_TARGET_MASKROT       1
 237 #define LJ_TARGET_UNIFYROT      2       /* Want only IR_BROR. */
 238 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_DUAL
 239
 240 #if __ARM_ARCH >= 8 || __ARM_ARCH_8__ || __ARM_ARCH_8A__
 241 #define LJ_ARCH_VERSION         80
 242 #elif __ARM_ARCH == 7 || __ARM_ARCH_7__ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH_7S__ || __ARM_ARCH_7VE__
 243 #define LJ_ARCH_VERSION         70
 244 #elif __ARM_ARCH_6T2__
 245 #define LJ_ARCH_VERSION         61
 246 #elif __ARM_ARCH == 6 || __ARM_ARCH_6__ || __ARM_ARCH_6J__ || __ARM_ARCH_6K__ || __ARM_ARCH_6Z__ || __ARM_ARCH_6ZK__
 247 #define LJ_ARCH_VERSION         60
 248 #else
 249 #define LJ_ARCH_VERSION         50
 250 #endif
 251
 252 #elif LUAJIT_TARGET == LUAJIT_ARCH_ARM64
 253
 254 #define LJ_ARCH_BITS            64
 255 #if defined(__AARCH64EB__)
 256 #define LJ_ARCH_NAME            "arm64be"
 257 #define LJ_ARCH_ENDIAN          LUAJIT_BE
 258 #else
 259 #define LJ_ARCH_NAME            "arm64"
 260 #define LJ_ARCH_ENDIAN          LUAJIT_LE
 261 #endif
 262 #if !defined(LJ_ABI_PAUTH) && defined(__arm64e__)
 263 #define LJ_ABI_PAUTH            1
 264 #endif
 265 #define LJ_TARGET_ARM64         1
 266 #define LJ_TARGET_EHRETREG      0
 267 #define LJ_TARGET_EHRAREG       30
 268 #define LJ_TARGET_JUMPRANGE     27      /* +-2^27 = +-128MB */
 269 #define LJ_TARGET_MASKSHIFT     1
 270 #define LJ_TARGET_MASKROT       1
 271 #define LJ_TARGET_UNIFYROT      2       /* Want only IR_BROR. */
 272 #define LJ_TARGET_GC64          1
 273 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_DUAL
 274
 275 #define LJ_ARCH_VERSION         80
 276
 277 #elif LUAJIT_TARGET == LUAJIT_ARCH_PPC
 278
 279 #ifndef LJ_ARCH_ENDIAN
 280 #if __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__
 281 #define LJ_ARCH_ENDIAN          LUAJIT_LE
 282 #else
 283 #define LJ_ARCH_ENDIAN          LUAJIT_BE
 284 #endif
 285 #endif
 286
 287 #if _LP64
 288 #define LJ_ARCH_BITS            64
 289 #if LJ_ARCH_ENDIAN == LUAJIT_LE
 290 #define LJ_ARCH_NAME            "ppc64le"
 291 #else
 292 #define LJ_ARCH_NAME            "ppc64"
 293 #endif
 294 #else
 295 #define LJ_ARCH_BITS            32
 296 #define LJ_ARCH_NAME            "ppc"
 297
 298 #if !defined(LJ_ARCH_HASFPU)
 299 #if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE)
 300 #define LJ_ARCH_HASFPU          0
 301 #else
 302 #define LJ_ARCH_HASFPU          1
 303 #endif
 304 #endif
 305
 306 #if !defined(LJ_ABI_SOFTFP)
 307 #if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE)
 308 #define LJ_ABI_SOFTFP           1
 309 #else
 310 #define LJ_ABI_SOFTFP           0
 311 #endif
 312 #endif
 313 #endif
 314
 315 #if LJ_ABI_SOFTFP
 316 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_DUAL
 317 #else
 318 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_DUAL_SINGLE
 319 #endif
 320
 321 #define LJ_TARGET_PPC           1
 322 #define LJ_TARGET_EHRETREG      3
 323 #define LJ_TARGET_EHRAREG       65
 324 #define LJ_TARGET_JUMPRANGE     25      /* +-2^25 = +-32MB */
 325 #define LJ_TARGET_MASKSHIFT     0
 326 #define LJ_TARGET_MASKROT       1
 327 #define LJ_TARGET_UNIFYROT      1       /* Want only IR_BROL. */
 328
 329 #if LJ_TARGET_CONSOLE
 330 #define LJ_ARCH_PPC32ON64       1
 331 #define LJ_ARCH_NOFFI           1
 332 #elif LJ_ARCH_BITS == 64
 333 #error "No support for PPC64"
 334 #undef LJ_TARGET_PPC
 335 #endif
 336
 337 #if _ARCH_PWR7
 338 #define LJ_ARCH_VERSION         70
 339 #elif _ARCH_PWR6
 340 #define LJ_ARCH_VERSION         60
 341 #elif _ARCH_PWR5X
 342 #define LJ_ARCH_VERSION         51
 343 #elif _ARCH_PWR5
 344 #define LJ_ARCH_VERSION         50
 345 #elif _ARCH_PWR4
 346 #define LJ_ARCH_VERSION         40
 347 #else
 348 #define LJ_ARCH_VERSION         0
 349 #endif
 350 #if _ARCH_PPCSQ
 351 #define LJ_ARCH_SQRT            1
 352 #endif
 353 #if _ARCH_PWR5X
 354 #define LJ_ARCH_ROUND           1
 355 #endif
 356 #if __PPU__
 357 #define LJ_ARCH_CELL            1
 358 #endif
 359 #if LJ_TARGET_XBOX360
 360 #define LJ_ARCH_XENON           1
 361 #endif
 362
 363 #elif LUAJIT_TARGET == LUAJIT_ARCH_MIPS32 || LUAJIT_TARGET == LUAJIT_ARCH_MIPS64
 364
 365 #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL)
 366 #if __mips_isa_rev >= 6
 367 #define LJ_TARGET_MIPSR6        1
 368 #define LJ_TARGET_UNALIGNED     1
 369 #endif
 370 #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32
 371 #if LJ_TARGET_MIPSR6
 372 #define LJ_ARCH_NAME            "mips32r6el"
 373 #else
 374 #define LJ_ARCH_NAME            "mipsel"
 375 #endif
 376 #else
 377 #if LJ_TARGET_MIPSR6
 378 #define LJ_ARCH_NAME            "mips64r6el"
 379 #else
 380 #define LJ_ARCH_NAME            "mips64el"
 381 #endif
 382 #endif
 383 #define LJ_ARCH_ENDIAN          LUAJIT_LE
 384 #else
 385 #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32
 386 #if LJ_TARGET_MIPSR6
 387 #define LJ_ARCH_NAME            "mips32r6"
 388 #else
 389 #define LJ_ARCH_NAME            "mips"
 390 #endif
 391 #else
 392 #if LJ_TARGET_MIPSR6
 393 #define LJ_ARCH_NAME            "mips64r6"
 394 #else
 395 #define LJ_ARCH_NAME            "mips64"
 396 #endif
 397 #endif
 398 #define LJ_ARCH_ENDIAN          LUAJIT_BE
 399 #endif
 400
 401 #if !defined(LJ_ARCH_HASFPU)
 402 #ifdef __mips_soft_float
 403 #define LJ_ARCH_HASFPU          0
 404 #else
 405 #define LJ_ARCH_HASFPU          1
 406 #endif
 407 #endif
 408
 409 #if !defined(LJ_ABI_SOFTFP)
 410 #ifdef __mips_soft_float
 411 #define LJ_ABI_SOFTFP           1
 412 #else
 413 #define LJ_ABI_SOFTFP           0
 414 #endif
 415 #endif
 416
 417 #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32
 418 #define LJ_ARCH_BITS            32
 419 #define LJ_TARGET_MIPS32        1
 420 #else
 421 #define LJ_ARCH_BITS            64
 422 #define LJ_TARGET_MIPS64        1
 423 #define LJ_TARGET_GC64          1
 424 #endif
 425 #define LJ_TARGET_MIPS          1
 426 #define LJ_TARGET_EHRETREG      4
 427 #define LJ_TARGET_EHRAREG       31
 428 #define LJ_TARGET_JUMPRANGE     27      /* 2*2^27 = 256MB-aligned region */
 429 #define LJ_TARGET_MASKSHIFT     1
 430 #define LJ_TARGET_MASKROT       1
 431 #define LJ_TARGET_UNIFYROT      2       /* Want only IR_BROR. */
 432 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_DUAL
 433
 434 #if LJ_TARGET_MIPSR6
 435 #define LJ_ARCH_VERSION         60
 436 #elif _MIPS_ARCH_MIPS32R2 || _MIPS_ARCH_MIPS64R2
 437 #define LJ_ARCH_VERSION         20
 438 #else
 439 #define LJ_ARCH_VERSION         10
 440 #endif
 441
 442 #else
 443 #error "No target architecture defined"
 444 #endif
 445
 446 /* -- Checks for requirements --------------------------------------------- */
 447
 448 /* Check for minimum required compiler versions. */
 449 #if defined(__GNUC__)
 450 #if LJ_TARGET_X86
 451 #if (__GNUC__ < 3) || ((__GNUC__ == 3) && __GNUC_MINOR__ < 4)
 452 #error "Need at least GCC 3.4 or newer"
 453 #endif
 454 #elif LJ_TARGET_X64
 455 #if __GNUC__ < 4
 456 #error "Need at least GCC 4.0 or newer"
 457 #endif
 458 #elif LJ_TARGET_ARM
 459 #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 2)
 460 #error "Need at least GCC 4.2 or newer"
 461 #endif
 462 #elif LJ_TARGET_ARM64
 463 #if __clang__
 464 #if ((__clang_major__ < 3) || ((__clang_major__ == 3) && __clang_minor__ < 5)) && !defined(__NX_TOOLCHAIN_MAJOR__)
 465 #error "Need at least Clang 3.5 or newer"
 466 #endif
 467 #else
 468 #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 8)
 469 #error "Need at least GCC 4.8 or newer"
 470 #endif
 471 #endif
 472 #elif !LJ_TARGET_PS3
 473 #if __clang__
 474 #if ((__clang_major__ < 3) || ((__clang_major__ == 3) && __clang_minor__ < 5))
 475 #error "Need at least Clang 3.5 or newer"
 476 #endif
 477 #else
 478 #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 3)
 479 #error "Need at least GCC 4.3 or newer"
 480 #endif
 481 #endif
 482 #endif
 483 #endif
 484
 485 /* Check target-specific constraints. */
 486 #ifndef _BUILDVM_H
 487 #if LJ_TARGET_X64
 488 #if __USING_SJLJ_EXCEPTIONS__
 489 #error "Need a C compiler with native exception handling on x64"
 490 #endif
 491 #elif LJ_TARGET_ARM
 492 #if defined(__ARMEB__)
 493 #error "No support for big-endian ARM"
 494 #undef LJ_TARGET_ARM
 495 #endif
 496 #if __ARM_ARCH_6M__ || __ARM_ARCH_7M__ || __ARM_ARCH_7EM__
 497 #error "No support for Cortex-M CPUs"
 498 #undef LJ_TARGET_ARM
 499 #endif
 500 #if !(__ARM_EABI__ || LJ_TARGET_IOS)
 501 #error "Only ARM EABI or iOS 3.0+ ABI is supported"
 502 #undef LJ_TARGET_ARM
 503 #endif
 504 #elif LJ_TARGET_ARM64
 505 #if defined(_ILP32)
 506 #error "No support for ILP32 model on ARM64"
 507 #undef LJ_TARGET_ARM64
 508 #endif
 509 #elif LJ_TARGET_PPC
 510 #if defined(_LITTLE_ENDIAN) && (!defined(_BYTE_ORDER) || (_BYTE_ORDER == _LITTLE_ENDIAN))
 511 #error "No support for little-endian PPC32"
 512 #undef LJ_TARGET_PPC
 513 #endif
 514 #if defined(__NO_FPRS__) && !defined(_SOFT_FLOAT)
 515 #error "No support for PPC/e500, use LuaJIT 2.0"
 516 #undef LJ_TARGET_PPC
 517 #endif
 518 #elif LJ_TARGET_MIPS32
 519 #if !((defined(_MIPS_SIM_ABI32) && _MIPS_SIM == _MIPS_SIM_ABI32) || (defined(_ABIO32) && _MIPS_SIM == _ABIO32))
 520 #error "Only o32 ABI supported for MIPS32"
 521 #undef LJ_TARGET_MIPS
 522 #endif
 523 #if LJ_TARGET_MIPSR6
 524 /* Not that useful, since most available r6 CPUs are 64 bit. */
 525 #error "No support for MIPS32R6"
 526 #undef LJ_TARGET_MIPS
 527 #endif
 528 #elif LJ_TARGET_MIPS64
 529 #if !((defined(_MIPS_SIM_ABI64) && _MIPS_SIM == _MIPS_SIM_ABI64) || (defined(_ABI64) && _MIPS_SIM == _ABI64))
 530 /* MIPS32ON64 aka n32 ABI support might be desirable, but difficult. */
 531 #error "Only n64 ABI supported for MIPS64"
 532 #undef LJ_TARGET_MIPS
 533 #endif
 534 #endif
 535 #endif
 536
 537 /* -- Derived defines ----------------------------------------------------- */
 538
 539 /* Enable or disable the dual-number mode for the VM. */
 540 #if (LJ_ARCH_NUMMODE == LJ_NUMMODE_SINGLE && LUAJIT_NUMMODE == 2) || \
 541     (LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL && LUAJIT_NUMMODE == 1)
 542 #error "No support for this number mode on this architecture"
 543 #endif
 544 #if LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL || \
 545     (LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL_SINGLE && LUAJIT_NUMMODE != 1) || \
 546     (LJ_ARCH_NUMMODE == LJ_NUMMODE_SINGLE_DUAL && LUAJIT_NUMMODE == 2)
 547 #define LJ_DUALNUM              1
 548 #else
 549 #define LJ_DUALNUM              0
 550 #endif
 551
 552 #if LJ_TARGET_IOS || LJ_TARGET_CONSOLE
 553 /* Runtime code generation is restricted on iOS. Complain to Apple, not me. */
 554 /* Ditto for the consoles. Complain to Sony or MS, not me. */
 555 #ifndef LUAJIT_ENABLE_JIT
 556 #define LJ_OS_NOJIT             1
 557 #endif
 558 #endif
 559
 560 /* 64 bit GC references. */
 561 #if LJ_TARGET_GC64
 562 #define LJ_GC64                 1
 563 #else
 564 #define LJ_GC64                 0
 565 #endif
 566
 567 /* 2-slot frame info. */
 568 #if LJ_GC64
 569 #define LJ_FR2                  1
 570 #else
 571 #define LJ_FR2                  0
 572 #endif
 573
 574 /* Disable or enable the JIT compiler. */
 575 #if defined(LUAJIT_DISABLE_JIT) || defined(LJ_ARCH_NOJIT) || defined(LJ_OS_NOJIT)
 576 #define LJ_HASJIT               0
 577 #else
 578 #define LJ_HASJIT               1
 579 #endif
 580
 581 /* Disable or enable the FFI extension. */
 582 #if defined(LUAJIT_DISABLE_FFI) || defined(LJ_ARCH_NOFFI)
 583 #define LJ_HASFFI               0
 584 #else
 585 #define LJ_HASFFI               1
 586 #endif
 587
 588 /* Disable or enable the string buffer extension. */
 589 #if defined(LUAJIT_DISABLE_BUFFER)
 590 #define LJ_HASBUFFER            0
 591 #else
 592 #define LJ_HASBUFFER            1
 593 #endif
 594
 595 #if defined(LUAJIT_DISABLE_PROFILE)
 596 #define LJ_HASPROFILE           0
 597 #elif LJ_TARGET_POSIX
 598 #define LJ_HASPROFILE           1
 599 #define LJ_PROFILE_SIGPROF      1
 600 #elif LJ_TARGET_PS3
 601 #define LJ_HASPROFILE           1
 602 #define LJ_PROFILE_PTHREAD      1
 603 #elif LJ_TARGET_WINDOWS || LJ_TARGET_XBOX360
 604 #define LJ_HASPROFILE           1
 605 #define LJ_PROFILE_WTHREAD      1
 606 #else
 607 #define LJ_HASPROFILE           0
 608 #endif
 609
 610 #ifndef LJ_ARCH_HASFPU
 611 #define LJ_ARCH_HASFPU          1
 612 #endif
 613 #ifndef LJ_ABI_SOFTFP
 614 #define LJ_ABI_SOFTFP           0
 615 #endif
 616 #define LJ_SOFTFP               (!LJ_ARCH_HASFPU)
 617 #define LJ_SOFTFP32             (LJ_SOFTFP && LJ_32)
 618
 619 #ifndef LJ_ABI_PAUTH
 620 #define LJ_ABI_PAUTH            0
 621 #endif
 622
 623 #if LJ_ARCH_ENDIAN == LUAJIT_BE
 624 #define LJ_LE                   0
 625 #define LJ_BE                   1
 626 #define LJ_ENDIAN_SELECT(le, be)        be
 627 #define LJ_ENDIAN_LOHI(lo, hi)          hi lo
 628 #else
 629 #define LJ_LE                   1
 630 #define LJ_BE                   0
 631 #define LJ_ENDIAN_SELECT(le, be)        le
 632 #define LJ_ENDIAN_LOHI(lo, hi)          lo hi
 633 #endif
 634
 635 #if LJ_ARCH_BITS == 32
 636 #define LJ_32                   1
 637 #define LJ_64                   0
 638 #else
 639 #define LJ_32                   0
 640 #define LJ_64                   1
 641 #endif
 642
 643 #ifndef LJ_TARGET_UNALIGNED
 644 #define LJ_TARGET_UNALIGNED     0
 645 #endif
 646
 647 #ifndef LJ_PAGESIZE
 648 #define LJ_PAGESIZE             4096
 649 #endif
 650
 651 /* Various workarounds for embedded operating systems or weak C runtimes. */
 652 #if defined(__ANDROID__) || defined(__symbian__) || LJ_TARGET_XBOX360 || LJ_TARGET_WINDOWS
 653 #define LUAJIT_NO_LOG2
 654 #endif
 655 #if LJ_TARGET_CONSOLE || (LJ_TARGET_IOS && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0)
 656 #define LJ_NO_SYSTEM            1
 657 #endif
 658
 659 #if LJ_TARGET_WINDOWS || LJ_TARGET_CYGWIN
 660 #define LJ_ABI_WIN              1
 661 #else
 662 #define LJ_ABI_WIN              0
 663 #endif
 664
 665 #if LJ_TARGET_WINDOWS
 666 #if LJ_TARGET_UWP
 667 #define LJ_WIN_VALLOC   VirtualAllocFromApp
 668 #define LJ_WIN_VPROTECT VirtualProtectFromApp
 669 extern void *LJ_WIN_LOADLIBA(const char *path);
 670 #else
 671 #define LJ_WIN_VALLOC   VirtualAlloc
 672 #define LJ_WIN_VPROTECT VirtualProtect
 673 #define LJ_WIN_LOADLIBA(path)   LoadLibraryExA((path), NULL, 0)
 674 #endif
 675 #endif
 676
 677 #if defined(LUAJIT_NO_UNWIND) || __GNU_COMPACT_EH__ || defined(__symbian__) || LJ_TARGET_IOS || LJ_TARGET_PS3 || LJ_TARGET_PS4 || LJ_TARGET_PS5
 678 #define LJ_NO_UNWIND            1
 679 #endif
 680
 681 #if !LJ_NO_UNWIND && !defined(LUAJIT_UNWIND_INTERNAL) && (LJ_ABI_WIN || (defined(LUAJIT_UNWIND_EXTERNAL) && (defined(__GNUC__) || defined(__clang__))))
 682 #define LJ_UNWIND_EXT           1
 683 #else
 684 #define LJ_UNWIND_EXT           0
 685 #endif
 686
 687 #if LJ_UNWIND_EXT && LJ_HASJIT && !LJ_TARGET_ARM && !(LJ_ABI_WIN && LJ_TARGET_X86)
 688 #define LJ_UNWIND_JIT           1
 689 #else
 690 #define LJ_UNWIND_JIT           0
 691 #endif
 692
 693 /* Compatibility with Lua 5.1 vs. 5.2. */
 694 #ifdef LUAJIT_ENABLE_LUA52COMPAT
 695 #define LJ_52                   1
 696 #else
 697 #define LJ_52                   0
 698 #endif
 699
 700 /* -- VM security --------------------------------------------------------- */
 701
 702 /* Don't make any changes here. Instead build with:
 703 **   make "XCFLAGS=-DLUAJIT_SECURITY_flag=value"
 704 **
 705 ** Important note to distro maintainers: DO NOT change the defaults for a
 706 ** regular distro build -- neither upwards, nor downwards!
 707 ** These build-time configurable security flags are intended for embedders
 708 ** who may have specific needs wrt. security vs. performance.
 709 */
 710
 711 /* Security defaults. */
 712 #ifndef LUAJIT_SECURITY_PRNG
 713 /* PRNG init: 0 = fixed/insecure, 1 = secure from OS. */
 714 #define LUAJIT_SECURITY_PRNG    1
 715 #endif
 716
 717 #ifndef LUAJIT_SECURITY_STRHASH
 718 /* String hash: 0 = sparse only, 1 = sparse + dense. */
 719 #define LUAJIT_SECURITY_STRHASH 1
 720 #endif
 721
 722 #ifndef LUAJIT_SECURITY_STRID
 723 /* String IDs: 0 = linear, 1 = reseed < 255, 2 = reseed < 15, 3 = random. */
 724 #define LUAJIT_SECURITY_STRID   1
 725 #endif
 726
 727 #ifndef LUAJIT_SECURITY_MCODE
 728 /* Machine code page protection: 0 = insecure RWX, 1 = secure RW^X. */
 729 #define LUAJIT_SECURITY_MCODE   1
 730 #endif
 731
 732 #define LJ_SECURITY_MODE \
 733   ( 0u \
 734   | ((LUAJIT_SECURITY_PRNG & 3) << 0) \
 735   | ((LUAJIT_SECURITY_STRHASH & 3) << 2) \
 736   | ((LUAJIT_SECURITY_STRID & 3) << 4) \
 737   | ((LUAJIT_SECURITY_MCODE & 3) << 6) \
 738   )
 739 #define LJ_SECURITY_MODESTRING \
 740   "\004prng\007strhash\005strid\005mcode"
 741
 742 #endif