2 ** Target architecture selection.
3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
11 /* -- Target definitions -------------------------------------------------- */
13 /* Target endianess. */
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
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
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. */
49 /* -- Target detection ---------------------------------------------------- */
51 /* Select native target if no target defined. */
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
69 #error "Architecture not supported (in this version), see: https://luajit.org/status.html#architectures"
74 /* Select native OS if no target OS defined. */
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
100 #define LUAJIT_OS LUAJIT_OS_OTHER
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"
117 #define LJ_OS_NAME "Other"
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
128 #define LJ_TARGET_IOS 1
130 #define LJ_TARGET_IOS 0
133 #ifdef __CELLOS_LV2__
134 #define LJ_TARGET_PS3 1
135 #define LJ_TARGET_CONSOLE 1
139 #define LJ_TARGET_PS4 1
140 #define LJ_TARGET_CONSOLE 1
142 #define NULL ((void*)0)
146 #define LJ_TARGET_PS5 1
147 #define LJ_TARGET_CONSOLE 1
149 #define NULL ((void*)0)
153 #define LJ_TARGET_PSVITA 1
154 #define LJ_TARGET_CONSOLE 1
158 #define LJ_TARGET_XBOX360 1
159 #define LJ_TARGET_CONSOLE 1
163 #define LJ_TARGET_XBOXONE 1
164 #define LJ_TARGET_CONSOLE 1
165 #define LJ_TARGET_GC64 1
169 #define LJ_TARGET_NX 1
170 #define LJ_TARGET_CONSOLE 1
172 #define NULL ((void*)0)
176 #define LJ_TARGET_UWP 1
177 #if LUAJIT_TARGET == LUAJIT_ARCH_X64
178 #define LJ_TARGET_GC64 1
182 /* -- Arch-specific settings ---------------------------------------------- */
184 /* Set target architecture properties. */
185 #if LUAJIT_TARGET == LUAJIT_ARCH_X86
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
199 #elif LUAJIT_TARGET == LUAJIT_ARCH_X64
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
216 #error "macOS requires GC64 -- don't disable it"
219 #elif LUAJIT_TARGET == LUAJIT_ARCH_ARM
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
227 #if !defined(LJ_ABI_SOFTFP) && !__ARM_PCS_VFP
228 #define LJ_ABI_SOFTFP 1
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
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
249 #define LJ_ARCH_VERSION 50
252 #elif LUAJIT_TARGET == LUAJIT_ARCH_ARM64
254 #define LJ_ARCH_BITS 64
255 #if defined(__AARCH64EB__)
256 #define LJ_ARCH_NAME "arm64be"
257 #define LJ_ARCH_ENDIAN LUAJIT_BE
259 #define LJ_ARCH_NAME "arm64"
260 #define LJ_ARCH_ENDIAN LUAJIT_LE
262 #if !defined(LJ_ABI_PAUTH) && defined(__arm64e__)
263 #define LJ_ABI_PAUTH 1
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
275 #define LJ_ARCH_VERSION 80
277 #elif LUAJIT_TARGET == LUAJIT_ARCH_PPC
279 #ifndef LJ_ARCH_ENDIAN
280 #if __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__
281 #define LJ_ARCH_ENDIAN LUAJIT_LE
283 #define LJ_ARCH_ENDIAN LUAJIT_BE
288 #define LJ_ARCH_BITS 64
289 #if LJ_ARCH_ENDIAN == LUAJIT_LE
290 #define LJ_ARCH_NAME "ppc64le"
292 #define LJ_ARCH_NAME "ppc64"
295 #define LJ_ARCH_BITS 32
296 #define LJ_ARCH_NAME "ppc"
298 #if !defined(LJ_ARCH_HASFPU)
299 #if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE)
300 #define LJ_ARCH_HASFPU 0
302 #define LJ_ARCH_HASFPU 1
306 #if !defined(LJ_ABI_SOFTFP)
307 #if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE)
308 #define LJ_ABI_SOFTFP 1
310 #define LJ_ABI_SOFTFP 0
316 #define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL
318 #define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL_SINGLE
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. */
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"
338 #define LJ_ARCH_VERSION 70
340 #define LJ_ARCH_VERSION 60
342 #define LJ_ARCH_VERSION 51
344 #define LJ_ARCH_VERSION 50
346 #define LJ_ARCH_VERSION 40
348 #define LJ_ARCH_VERSION 0
351 #define LJ_ARCH_SQRT 1
354 #define LJ_ARCH_ROUND 1
357 #define LJ_ARCH_CELL 1
359 #if LJ_TARGET_XBOX360
360 #define LJ_ARCH_XENON 1
363 #elif LUAJIT_TARGET == LUAJIT_ARCH_MIPS32 || LUAJIT_TARGET == LUAJIT_ARCH_MIPS64
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
370 #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32
372 #define LJ_ARCH_NAME "mips32r6el"
374 #define LJ_ARCH_NAME "mipsel"
378 #define LJ_ARCH_NAME "mips64r6el"
380 #define LJ_ARCH_NAME "mips64el"
383 #define LJ_ARCH_ENDIAN LUAJIT_LE
385 #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32
387 #define LJ_ARCH_NAME "mips32r6"
389 #define LJ_ARCH_NAME "mips"
393 #define LJ_ARCH_NAME "mips64r6"
395 #define LJ_ARCH_NAME "mips64"
398 #define LJ_ARCH_ENDIAN LUAJIT_BE
401 #if !defined(LJ_ARCH_HASFPU)
402 #ifdef __mips_soft_float
403 #define LJ_ARCH_HASFPU 0
405 #define LJ_ARCH_HASFPU 1
409 #if !defined(LJ_ABI_SOFTFP)
410 #ifdef __mips_soft_float
411 #define LJ_ABI_SOFTFP 1
413 #define LJ_ABI_SOFTFP 0
417 #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32
418 #define LJ_ARCH_BITS 32
419 #define LJ_TARGET_MIPS32 1
421 #define LJ_ARCH_BITS 64
422 #define LJ_TARGET_MIPS64 1
423 #define LJ_TARGET_GC64 1
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
435 #define LJ_ARCH_VERSION 60
436 #elif _MIPS_ARCH_MIPS32R2 || _MIPS_ARCH_MIPS64R2
437 #define LJ_ARCH_VERSION 20
439 #define LJ_ARCH_VERSION 10
443 #error "No target architecture defined"
446 /* -- Checks for requirements --------------------------------------------- */
448 /* Check for minimum required compiler versions. */
449 #if defined(__GNUC__)
451 #if (__GNUC__ < 3) || ((__GNUC__ == 3) && __GNUC_MINOR__ < 4)
452 #error "Need at least GCC 3.4 or newer"
456 #error "Need at least GCC 4.0 or newer"
459 #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 2)
460 #error "Need at least GCC 4.2 or newer"
462 #elif LJ_TARGET_ARM64
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"
468 #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 8)
469 #error "Need at least GCC 4.8 or newer"
474 #if ((__clang_major__ < 3) || ((__clang_major__ == 3) && __clang_minor__ < 5))
475 #error "Need at least Clang 3.5 or newer"
478 #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 3)
479 #error "Need at least GCC 4.3 or newer"
485 /* Check target-specific constraints. */
488 #if __USING_SJLJ_EXCEPTIONS__
489 #error "Need a C compiler with native exception handling on x64"
492 #if defined(__ARMEB__)
493 #error "No support for big-endian ARM"
496 #if __ARM_ARCH_6M__ || __ARM_ARCH_7M__ || __ARM_ARCH_7EM__
497 #error "No support for Cortex-M CPUs"
500 #if !(__ARM_EABI__ || LJ_TARGET_IOS)
501 #error "Only ARM EABI or iOS 3.0+ ABI is supported"
504 #elif LJ_TARGET_ARM64
506 #error "No support for ILP32 model on ARM64"
507 #undef LJ_TARGET_ARM64
510 #if defined(_LITTLE_ENDIAN) && (!defined(_BYTE_ORDER) || (_BYTE_ORDER == _LITTLE_ENDIAN))
511 #error "No support for little-endian PPC32"
514 #if defined(__NO_FPRS__) && !defined(_SOFT_FLOAT)
515 #error "No support for PPC/e500, use LuaJIT 2.0"
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
524 /* Not that useful, since most available r6 CPUs are 64 bit. */
525 #error "No support for MIPS32R6"
526 #undef LJ_TARGET_MIPS
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
537 /* -- Derived defines ----------------------------------------------------- */
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"
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)
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
560 /* 64 bit GC references. */
567 /* 2-slot frame info. */
574 /* Disable or enable the JIT compiler. */
575 #if defined(LUAJIT_DISABLE_JIT) || defined(LJ_ARCH_NOJIT) || defined(LJ_OS_NOJIT)
581 /* Disable or enable the FFI extension. */
582 #if defined(LUAJIT_DISABLE_FFI) || defined(LJ_ARCH_NOFFI)
588 /* Disable or enable the string buffer extension. */
589 #if defined(LUAJIT_DISABLE_BUFFER)
590 #define LJ_HASBUFFER 0
592 #define LJ_HASBUFFER 1
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
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
607 #define LJ_HASPROFILE 0
610 #ifndef LJ_ARCH_HASFPU
611 #define LJ_ARCH_HASFPU 1
613 #ifndef LJ_ABI_SOFTFP
614 #define LJ_ABI_SOFTFP 0
616 #define LJ_SOFTFP (!LJ_ARCH_HASFPU)
617 #define LJ_SOFTFP32 (LJ_SOFTFP && LJ_32)
620 #define LJ_ABI_PAUTH 0
623 #if LJ_ARCH_ENDIAN == LUAJIT_BE
626 #define LJ_ENDIAN_SELECT(le, be) be
627 #define LJ_ENDIAN_LOHI(lo, hi) hi lo
631 #define LJ_ENDIAN_SELECT(le, be) le
632 #define LJ_ENDIAN_LOHI(lo, hi) lo hi
635 #if LJ_ARCH_BITS == 32
643 #ifndef LJ_TARGET_UNALIGNED
644 #define LJ_TARGET_UNALIGNED 0
648 #define LJ_PAGESIZE 4096
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
655 #if LJ_TARGET_CONSOLE || (LJ_TARGET_IOS && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0)
656 #define LJ_NO_SYSTEM 1
659 #if LJ_TARGET_WINDOWS || LJ_TARGET_CYGWIN
665 #if LJ_TARGET_WINDOWS
667 #define LJ_WIN_VALLOC VirtualAllocFromApp
668 #define LJ_WIN_VPROTECT VirtualProtectFromApp
669 extern void *LJ_WIN_LOADLIBA(const char *path
);
671 #define LJ_WIN_VALLOC VirtualAlloc
672 #define LJ_WIN_VPROTECT VirtualProtect
673 #define LJ_WIN_LOADLIBA(path) LoadLibraryExA((path), NULL, 0)
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
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
684 #define LJ_UNWIND_EXT 0
687 #if LJ_UNWIND_EXT && LJ_HASJIT && !LJ_TARGET_ARM && !(LJ_ABI_WIN && LJ_TARGET_X86)
688 #define LJ_UNWIND_JIT 1
690 #define LJ_UNWIND_JIT 0
693 /* Compatibility with Lua 5.1 vs. 5.2. */
694 #ifdef LUAJIT_ENABLE_LUA52COMPAT
700 /* -- VM security --------------------------------------------------------- */
702 /* Don't make any changes here. Instead build with:
703 ** make "XCFLAGS=-DLUAJIT_SECURITY_flag=value"
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.
711 /* Security defaults. */
712 #ifndef LUAJIT_SECURITY_PRNG
713 /* PRNG init: 0 = fixed/insecure, 1 = secure from OS. */
714 #define LUAJIT_SECURITY_PRNG 1
717 #ifndef LUAJIT_SECURITY_STRHASH
718 /* String hash: 0 = sparse only, 1 = sparse + dense. */
719 #define LUAJIT_SECURITY_STRHASH 1
722 #ifndef LUAJIT_SECURITY_STRID
723 /* String IDs: 0 = linear, 1 = reseed < 255, 2 = reseed < 15, 3 = random. */
724 #define LUAJIT_SECURITY_STRID 1
727 #ifndef LUAJIT_SECURITY_MCODE
728 /* Machine code page protection: 0 = insecure RWX, 1 = secure RW^X. */
729 #define LUAJIT_SECURITY_MCODE 1
732 #define LJ_SECURITY_MODE \
734 | ((LUAJIT_SECURITY_PRNG & 3) << 0) \
735 | ((LUAJIT_SECURITY_STRHASH & 3) << 2) \
736 | ((LUAJIT_SECURITY_STRID & 3) << 4) \
737 | ((LUAJIT_SECURITY_MCODE & 3) << 6) \
739 #define LJ_SECURITY_MODESTRING \
740 "\004prng\007strhash\005strid\005mcode"