/* ** Target architecture selection. ** Copyright (C) 2005-2022 Mike Pall. See Copyright Notice in luajit.h */ #ifndef _LJ_ARCH_H #define _LJ_ARCH_H #include "lua.h" /* -- Target definitions -------------------------------------------------- */ /* Target endianess. */ #define LUAJIT_LE 0 #define LUAJIT_BE 1 /* Target architectures. */ #define LUAJIT_ARCH_X86 1 #define LUAJIT_ARCH_x86 1 #define LUAJIT_ARCH_X64 2 #define LUAJIT_ARCH_x64 2 #define LUAJIT_ARCH_ARM 3 #define LUAJIT_ARCH_arm 3 #define LUAJIT_ARCH_ARM64 4 #define LUAJIT_ARCH_arm64 4 #define LUAJIT_ARCH_PPC 5 #define LUAJIT_ARCH_ppc 5 #define LUAJIT_ARCH_MIPS 6 #define LUAJIT_ARCH_mips 6 #define LUAJIT_ARCH_MIPS32 6 #define LUAJIT_ARCH_mips32 6 #define LUAJIT_ARCH_MIPS64 7 #define LUAJIT_ARCH_mips64 7 /* Target OS. */ #define LUAJIT_OS_OTHER 0 #define LUAJIT_OS_WINDOWS 1 #define LUAJIT_OS_LINUX 2 #define LUAJIT_OS_OSX 3 #define LUAJIT_OS_BSD 4 #define LUAJIT_OS_POSIX 5 /* Number mode. */ #define LJ_NUMMODE_SINGLE 0 /* Single-number mode only. */ #define LJ_NUMMODE_SINGLE_DUAL 1 /* Default to single-number mode. */ #define LJ_NUMMODE_DUAL 2 /* Dual-number mode only. */ #define LJ_NUMMODE_DUAL_SINGLE 3 /* Default to dual-number mode. */ /* -- Target detection ---------------------------------------------------- */ /* Select native target if no target defined. */ #ifndef LUAJIT_TARGET #if defined(__i386) || defined(__i386__) || defined(_M_IX86) #define LUAJIT_TARGET LUAJIT_ARCH_X86 #elif defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64) #define LUAJIT_TARGET LUAJIT_ARCH_X64 #elif defined(__arm__) || defined(__arm) || defined(__ARM__) || defined(__ARM) #define LUAJIT_TARGET LUAJIT_ARCH_ARM #elif defined(__aarch64__) #define LUAJIT_TARGET LUAJIT_ARCH_ARM64 #elif defined(__ppc__) || defined(__ppc) || defined(__PPC__) || defined(__PPC) || defined(__powerpc__) || defined(__powerpc) || defined(__POWERPC__) || defined(__POWERPC) || defined(_M_PPC) #define LUAJIT_TARGET LUAJIT_ARCH_PPC #elif defined(__mips64__) || defined(__mips64) || defined(__MIPS64__) || defined(__MIPS64) #define LUAJIT_TARGET LUAJIT_ARCH_MIPS64 #elif defined(__mips__) || defined(__mips) || defined(__MIPS__) || defined(__MIPS) #define LUAJIT_TARGET LUAJIT_ARCH_MIPS32 #else #error "No support for this architecture (yet)" #endif #endif /* Select native OS if no target OS defined. */ #ifndef LUAJIT_OS #if defined(_WIN32) && !defined(_XBOX_VER) #define LUAJIT_OS LUAJIT_OS_WINDOWS #elif defined(__linux__) #define LUAJIT_OS LUAJIT_OS_LINUX #elif defined(__MACH__) && defined(__APPLE__) #include "TargetConditionals.h" #define LUAJIT_OS LUAJIT_OS_OSX #elif (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \ defined(__NetBSD__) || defined(__OpenBSD__) || \ defined(__DragonFly__)) && !defined(__ORBIS__) && !defined(__PROSPERO__) #define LUAJIT_OS LUAJIT_OS_BSD #elif (defined(__sun__) && defined(__svr4__)) #define LJ_TARGET_SOLARIS 1 #define LUAJIT_OS LUAJIT_OS_POSIX #elif defined(__HAIKU__) #define LUAJIT_OS LUAJIT_OS_POSIX #elif defined(__CYGWIN__) #define LJ_TARGET_CYGWIN 1 #define LUAJIT_OS LUAJIT_OS_POSIX #else #define LUAJIT_OS LUAJIT_OS_OTHER #endif #endif /* Set target OS properties. */ #if LUAJIT_OS == LUAJIT_OS_WINDOWS #define LJ_OS_NAME "Windows" #elif LUAJIT_OS == LUAJIT_OS_LINUX #define LJ_OS_NAME "Linux" #elif LUAJIT_OS == LUAJIT_OS_OSX #define LJ_OS_NAME "OSX" #elif LUAJIT_OS == LUAJIT_OS_BSD #define LJ_OS_NAME "BSD" #elif LUAJIT_OS == LUAJIT_OS_POSIX #define LJ_OS_NAME "POSIX" #else #define LJ_OS_NAME "Other" #endif #define LJ_TARGET_WINDOWS (LUAJIT_OS == LUAJIT_OS_WINDOWS) #define LJ_TARGET_LINUX (LUAJIT_OS == LUAJIT_OS_LINUX) #define LJ_TARGET_OSX (LUAJIT_OS == LUAJIT_OS_OSX) #define LJ_TARGET_BSD (LUAJIT_OS == LUAJIT_OS_BSD) #define LJ_TARGET_POSIX (LUAJIT_OS > LUAJIT_OS_WINDOWS) #define LJ_TARGET_DLOPEN LJ_TARGET_POSIX #if TARGET_OS_IPHONE #define LJ_TARGET_IOS 1 #else #define LJ_TARGET_IOS 0 #endif #ifdef __CELLOS_LV2__ #define LJ_TARGET_PS3 1 #define LJ_TARGET_CONSOLE 1 #endif #ifdef __ORBIS__ #define LJ_TARGET_PS4 1 #define LJ_TARGET_CONSOLE 1 #undef NULL #define NULL ((void*)0) #endif #ifdef __PROSPERO__ #define LJ_TARGET_PS5 1 #define LJ_TARGET_CONSOLE 1 #undef NULL #define NULL ((void*)0) #endif #ifdef __psp2__ #define LJ_TARGET_PSVITA 1 #define LJ_TARGET_CONSOLE 1 #endif #if _XBOX_VER >= 200 #define LJ_TARGET_XBOX360 1 #define LJ_TARGET_CONSOLE 1 #endif #ifdef _DURANGO #define LJ_TARGET_XBOXONE 1 #define LJ_TARGET_CONSOLE 1 #define LJ_TARGET_GC64 1 #endif #ifdef __NX__ #define LJ_TARGET_NX 1 #define LJ_TARGET_CONSOLE 1 #undef NULL #define NULL ((void*)0) #endif #ifdef _UWP #define LJ_TARGET_UWP 1 #if LUAJIT_TARGET == LUAJIT_ARCH_X64 #define LJ_TARGET_GC64 1 #endif #endif /* -- Arch-specific settings ---------------------------------------------- */ /* Set target architecture properties. */ #if LUAJIT_TARGET == LUAJIT_ARCH_X86 #define LJ_ARCH_NAME "x86" #define LJ_ARCH_BITS 32 #define LJ_ARCH_ENDIAN LUAJIT_LE #define LJ_TARGET_X86 1 #define LJ_TARGET_X86ORX64 1 #define LJ_TARGET_EHRETREG 0 #define LJ_TARGET_EHRAREG 8 #define LJ_TARGET_MASKSHIFT 1 #define LJ_TARGET_MASKROT 1 #define LJ_TARGET_UNALIGNED 1 #define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE_DUAL #elif LUAJIT_TARGET == LUAJIT_ARCH_X64 #define LJ_ARCH_NAME "x64" #define LJ_ARCH_BITS 64 #define LJ_ARCH_ENDIAN LUAJIT_LE #define LJ_TARGET_X64 1 #define LJ_TARGET_X86ORX64 1 #define LJ_TARGET_EHRETREG 0 #define LJ_TARGET_EHRAREG 16 #define LJ_TARGET_JUMPRANGE 31 /* +-2^31 = +-2GB */ #define LJ_TARGET_MASKSHIFT 1 #define LJ_TARGET_MASKROT 1 #define LJ_TARGET_UNALIGNED 1 #define LJ_ARCH_NUMMODE LJ_NUMMODE_SINGLE_DUAL #ifndef LUAJIT_DISABLE_GC64 #define LJ_TARGET_GC64 1 #elif LJ_TARGET_OSX #error "macOS requires GC64 -- don't disable it" #endif #elif LUAJIT_TARGET == LUAJIT_ARCH_ARM #define LJ_ARCH_NAME "arm" #define LJ_ARCH_BITS 32 #define LJ_ARCH_ENDIAN LUAJIT_LE #if !defined(LJ_ARCH_HASFPU) && __SOFTFP__ #define LJ_ARCH_HASFPU 0 #endif #if !defined(LJ_ABI_SOFTFP) && !__ARM_PCS_VFP #define LJ_ABI_SOFTFP 1 #endif #define LJ_ABI_EABI 1 #define LJ_TARGET_ARM 1 #define LJ_TARGET_EHRETREG 0 #define LJ_TARGET_EHRAREG 14 #define LJ_TARGET_JUMPRANGE 25 /* +-2^25 = +-32MB */ #define LJ_TARGET_MASKSHIFT 0 #define LJ_TARGET_MASKROT 1 #define LJ_TARGET_UNIFYROT 2 /* Want only IR_BROR. */ #define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL #if __ARM_ARCH == 8 || __ARM_ARCH_8__ || __ARM_ARCH_8A__ #define LJ_ARCH_VERSION 80 #elif __ARM_ARCH == 7 || __ARM_ARCH_7__ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH_7S__ || __ARM_ARCH_7VE__ #define LJ_ARCH_VERSION 70 #elif __ARM_ARCH_6T2__ #define LJ_ARCH_VERSION 61 #elif __ARM_ARCH == 6 || __ARM_ARCH_6__ || __ARM_ARCH_6J__ || __ARM_ARCH_6K__ || __ARM_ARCH_6Z__ || __ARM_ARCH_6ZK__ #define LJ_ARCH_VERSION 60 #else #define LJ_ARCH_VERSION 50 #endif #elif LUAJIT_TARGET == LUAJIT_ARCH_ARM64 #define LJ_ARCH_BITS 64 #if defined(__AARCH64EB__) #define LJ_ARCH_NAME "arm64be" #define LJ_ARCH_ENDIAN LUAJIT_BE #else #define LJ_ARCH_NAME "arm64" #define LJ_ARCH_ENDIAN LUAJIT_LE #endif #define LJ_TARGET_ARM64 1 #define LJ_TARGET_EHRETREG 0 #define LJ_TARGET_EHRAREG 30 #define LJ_TARGET_JUMPRANGE 27 /* +-2^27 = +-128MB */ #define LJ_TARGET_MASKSHIFT 1 #define LJ_TARGET_MASKROT 1 #define LJ_TARGET_UNIFYROT 2 /* Want only IR_BROR. */ #define LJ_TARGET_GC64 1 #define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL #define LJ_ARCH_VERSION 80 #elif LUAJIT_TARGET == LUAJIT_ARCH_PPC #ifndef LJ_ARCH_ENDIAN #if __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__ #define LJ_ARCH_ENDIAN LUAJIT_LE #else #define LJ_ARCH_ENDIAN LUAJIT_BE #endif #endif #if _LP64 #define LJ_ARCH_BITS 64 #if LJ_ARCH_ENDIAN == LUAJIT_LE #define LJ_ARCH_NAME "ppc64le" #else #define LJ_ARCH_NAME "ppc64" #endif #else #define LJ_ARCH_BITS 32 #define LJ_ARCH_NAME "ppc" #if !defined(LJ_ARCH_HASFPU) #if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE) #define LJ_ARCH_HASFPU 0 #else #define LJ_ARCH_HASFPU 1 #endif #endif #if !defined(LJ_ABI_SOFTFP) #if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE) #define LJ_ABI_SOFTFP 1 #else #define LJ_ABI_SOFTFP 0 #endif #endif #endif #if LJ_ABI_SOFTFP #define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL #else #define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL_SINGLE #endif #define LJ_TARGET_PPC 1 #define LJ_TARGET_EHRETREG 3 #define LJ_TARGET_EHRAREG 65 #define LJ_TARGET_JUMPRANGE 25 /* +-2^25 = +-32MB */ #define LJ_TARGET_MASKSHIFT 0 #define LJ_TARGET_MASKROT 1 #define LJ_TARGET_UNIFYROT 1 /* Want only IR_BROL. */ #if LJ_TARGET_CONSOLE #define LJ_ARCH_PPC32ON64 1 #define LJ_ARCH_NOFFI 1 #elif LJ_ARCH_BITS == 64 #error "No support for PPC64" #endif #if _ARCH_PWR7 #define LJ_ARCH_VERSION 70 #elif _ARCH_PWR6 #define LJ_ARCH_VERSION 60 #elif _ARCH_PWR5X #define LJ_ARCH_VERSION 51 #elif _ARCH_PWR5 #define LJ_ARCH_VERSION 50 #elif _ARCH_PWR4 #define LJ_ARCH_VERSION 40 #else #define LJ_ARCH_VERSION 0 #endif #if _ARCH_PPCSQ #define LJ_ARCH_SQRT 1 #endif #if _ARCH_PWR5X #define LJ_ARCH_ROUND 1 #endif #if __PPU__ #define LJ_ARCH_CELL 1 #endif #if LJ_TARGET_XBOX360 #define LJ_ARCH_XENON 1 #endif #elif LUAJIT_TARGET == LUAJIT_ARCH_MIPS32 || LUAJIT_TARGET == LUAJIT_ARCH_MIPS64 #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) #if __mips_isa_rev >= 6 #define LJ_TARGET_MIPSR6 1 #define LJ_TARGET_UNALIGNED 1 #endif #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32 #if LJ_TARGET_MIPSR6 #define LJ_ARCH_NAME "mips32r6el" #else #define LJ_ARCH_NAME "mipsel" #endif #else #if LJ_TARGET_MIPSR6 #define LJ_ARCH_NAME "mips64r6el" #else #define LJ_ARCH_NAME "mips64el" #endif #endif #define LJ_ARCH_ENDIAN LUAJIT_LE #else #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32 #if LJ_TARGET_MIPSR6 #define LJ_ARCH_NAME "mips32r6" #else #define LJ_ARCH_NAME "mips" #endif #else #if LJ_TARGET_MIPSR6 #define LJ_ARCH_NAME "mips64r6" #else #define LJ_ARCH_NAME "mips64" #endif #endif #define LJ_ARCH_ENDIAN LUAJIT_BE #endif #if !defined(LJ_ARCH_HASFPU) #ifdef __mips_soft_float #define LJ_ARCH_HASFPU 0 #else #define LJ_ARCH_HASFPU 1 #endif #endif #if !defined(LJ_ABI_SOFTFP) #ifdef __mips_soft_float #define LJ_ABI_SOFTFP 1 #else #define LJ_ABI_SOFTFP 0 #endif #endif #if LUAJIT_TARGET == LUAJIT_ARCH_MIPS32 #define LJ_ARCH_BITS 32 #define LJ_TARGET_MIPS32 1 #else #define LJ_ARCH_BITS 64 #define LJ_TARGET_MIPS64 1 #define LJ_TARGET_GC64 1 #endif #define LJ_TARGET_MIPS 1 #define LJ_TARGET_EHRETREG 4 #define LJ_TARGET_EHRAREG 31 #define LJ_TARGET_JUMPRANGE 27 /* 2*2^27 = 256MB-aligned region */ #define LJ_TARGET_MASKSHIFT 1 #define LJ_TARGET_MASKROT 1 #define LJ_TARGET_UNIFYROT 2 /* Want only IR_BROR. */ #define LJ_ARCH_NUMMODE LJ_NUMMODE_DUAL #if LJ_TARGET_MIPSR6 #define LJ_ARCH_VERSION 60 #elif _MIPS_ARCH_MIPS32R2 || _MIPS_ARCH_MIPS64R2 #define LJ_ARCH_VERSION 20 #else #define LJ_ARCH_VERSION 10 #endif #else #error "No target architecture defined" #endif /* -- Checks for requirements --------------------------------------------- */ /* Check for minimum required compiler versions. */ #if defined(__GNUC__) #if LJ_TARGET_X86 #if (__GNUC__ < 3) || ((__GNUC__ == 3) && __GNUC_MINOR__ < 4) #error "Need at least GCC 3.4 or newer" #endif #elif LJ_TARGET_X64 #if __GNUC__ < 4 #error "Need at least GCC 4.0 or newer" #endif #elif LJ_TARGET_ARM #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 2) #error "Need at least GCC 4.2 or newer" #endif #elif LJ_TARGET_ARM64 #if __clang__ #if ((__clang_major__ < 3) || ((__clang_major__ == 3) && __clang_minor__ < 5)) && !defined(__NX_TOOLCHAIN_MAJOR__) #error "Need at least Clang 3.5 or newer" #endif #else #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 8) #error "Need at least GCC 4.8 or newer" #endif #endif #elif !LJ_TARGET_PS3 #if (__GNUC__ < 4) || ((__GNUC__ == 4) && __GNUC_MINOR__ < 3) #error "Need at least GCC 4.3 or newer" #endif #endif #endif /* Check target-specific constraints. */ #ifndef _BUILDVM_H #if LJ_TARGET_X64 #if __USING_SJLJ_EXCEPTIONS__ #error "Need a C compiler with native exception handling on x64" #endif #elif LJ_TARGET_ARM #if defined(__ARMEB__) #error "No support for big-endian ARM" #endif #if __ARM_ARCH_6M__ || __ARM_ARCH_7M__ || __ARM_ARCH_7EM__ #error "No support for Cortex-M CPUs" #endif #if !(__ARM_EABI__ || LJ_TARGET_IOS) #error "Only ARM EABI or iOS 3.0+ ABI is supported" #endif #elif LJ_TARGET_ARM64 #if defined(_ILP32) #error "No support for ILP32 model on ARM64" #endif #elif LJ_TARGET_PPC #if defined(_LITTLE_ENDIAN) && (!defined(_BYTE_ORDER) || (_BYTE_ORDER == _LITTLE_ENDIAN)) #error "No support for little-endian PPC32" #endif #if defined(__NO_FPRS__) && !defined(_SOFT_FLOAT) #error "No support for PPC/e500 anymore (use LuaJIT 2.0)" #endif #elif LJ_TARGET_MIPS32 #if !((defined(_MIPS_SIM_ABI32) && _MIPS_SIM == _MIPS_SIM_ABI32) || (defined(_ABIO32) && _MIPS_SIM == _ABIO32)) #error "Only o32 ABI supported for MIPS32" #endif #if LJ_TARGET_MIPSR6 /* Not that useful, since most available r6 CPUs are 64 bit. */ #error "No support for MIPS32R6" #endif #elif LJ_TARGET_MIPS64 #if !((defined(_MIPS_SIM_ABI64) && _MIPS_SIM == _MIPS_SIM_ABI64) || (defined(_ABI64) && _MIPS_SIM == _ABI64)) /* MIPS32ON64 aka n32 ABI support might be desirable, but difficult. */ #error "Only n64 ABI supported for MIPS64" #endif #endif #endif /* -- Derived defines ----------------------------------------------------- */ /* Enable or disable the dual-number mode for the VM. */ #if (LJ_ARCH_NUMMODE == LJ_NUMMODE_SINGLE && LUAJIT_NUMMODE == 2) || \ (LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL && LUAJIT_NUMMODE == 1) #error "No support for this number mode on this architecture" #endif #if LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL || \ (LJ_ARCH_NUMMODE == LJ_NUMMODE_DUAL_SINGLE && LUAJIT_NUMMODE != 1) || \ (LJ_ARCH_NUMMODE == LJ_NUMMODE_SINGLE_DUAL && LUAJIT_NUMMODE == 2) #define LJ_DUALNUM 1 #else #define LJ_DUALNUM 0 #endif #if LJ_TARGET_IOS || LJ_TARGET_CONSOLE /* Runtime code generation is restricted on iOS. Complain to Apple, not me. */ /* Ditto for the consoles. Complain to Sony or MS, not me. */ #ifndef LUAJIT_ENABLE_JIT #define LJ_OS_NOJIT 1 #endif #endif /* 64 bit GC references. */ #if LJ_TARGET_GC64 #define LJ_GC64 1 #else #define LJ_GC64 0 #endif /* 2-slot frame info. */ #if LJ_GC64 #define LJ_FR2 1 #else #define LJ_FR2 0 #endif /* Disable or enable the JIT compiler. */ #if defined(LUAJIT_DISABLE_JIT) || defined(LJ_ARCH_NOJIT) || defined(LJ_OS_NOJIT) #define LJ_HASJIT 0 #else #define LJ_HASJIT 1 #endif /* Disable or enable the FFI extension. */ #if defined(LUAJIT_DISABLE_FFI) || defined(LJ_ARCH_NOFFI) #define LJ_HASFFI 0 #else #define LJ_HASFFI 1 #endif /* Disable or enable the string buffer extension. */ #if defined(LUAJIT_DISABLE_BUFFER) #define LJ_HASBUFFER 0 #else #define LJ_HASBUFFER 1 #endif #if defined(LUAJIT_DISABLE_PROFILE) #define LJ_HASPROFILE 0 #elif LJ_TARGET_POSIX #define LJ_HASPROFILE 1 #define LJ_PROFILE_SIGPROF 1 #elif LJ_TARGET_PS3 #define LJ_HASPROFILE 1 #define LJ_PROFILE_PTHREAD 1 #elif LJ_TARGET_WINDOWS || LJ_TARGET_XBOX360 #define LJ_HASPROFILE 1 #define LJ_PROFILE_WTHREAD 1 #else #define LJ_HASPROFILE 0 #endif #ifndef LJ_ARCH_HASFPU #define LJ_ARCH_HASFPU 1 #endif #ifndef LJ_ABI_SOFTFP #define LJ_ABI_SOFTFP 0 #endif #define LJ_SOFTFP (!LJ_ARCH_HASFPU) #define LJ_SOFTFP32 (LJ_SOFTFP && LJ_32) #if LJ_ARCH_ENDIAN == LUAJIT_BE #define LJ_LE 0 #define LJ_BE 1 #define LJ_ENDIAN_SELECT(le, be) be #define LJ_ENDIAN_LOHI(lo, hi) hi lo #else #define LJ_LE 1 #define LJ_BE 0 #define LJ_ENDIAN_SELECT(le, be) le #define LJ_ENDIAN_LOHI(lo, hi) lo hi #endif #if LJ_ARCH_BITS == 32 #define LJ_32 1 #define LJ_64 0 #else #define LJ_32 0 #define LJ_64 1 #endif #ifndef LJ_TARGET_UNALIGNED #define LJ_TARGET_UNALIGNED 0 #endif #ifndef LJ_PAGESIZE #define LJ_PAGESIZE 4096 #endif /* Various workarounds for embedded operating systems or weak C runtimes. */ #if defined(__ANDROID__) || defined(__symbian__) || LJ_TARGET_XBOX360 || LJ_TARGET_WINDOWS #define LUAJIT_NO_LOG2 #endif #if LJ_TARGET_CONSOLE || (LJ_TARGET_IOS && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0) #define LJ_NO_SYSTEM 1 #endif #if LJ_TARGET_WINDOWS || LJ_TARGET_CYGWIN #define LJ_ABI_WIN 1 #else #define LJ_ABI_WIN 0 #endif #if LJ_TARGET_WINDOWS #if LJ_TARGET_UWP #define LJ_WIN_VALLOC VirtualAllocFromApp #define LJ_WIN_VPROTECT VirtualProtectFromApp extern void *LJ_WIN_LOADLIBA(const char *path); #else #define LJ_WIN_VALLOC VirtualAlloc #define LJ_WIN_VPROTECT VirtualProtect #define LJ_WIN_LOADLIBA(path) LoadLibraryExA((path), NULL, 0) #endif #endif #if defined(LUAJIT_NO_UNWIND) || __GNU_COMPACT_EH__ || defined(__symbian__) || LJ_TARGET_IOS || LJ_TARGET_PS3 || LJ_TARGET_PS4 || LJ_TARGET_PS5 #define LJ_NO_UNWIND 1 #endif #if !LJ_NO_UNWIND && !defined(LUAJIT_UNWIND_INTERNAL) && (LJ_ABI_WIN || (defined(LUAJIT_UNWIND_EXTERNAL) && (defined(__GNUC__) || defined(__clang__)))) #define LJ_UNWIND_EXT 1 #else #define LJ_UNWIND_EXT 0 #endif #if LJ_UNWIND_EXT && LJ_HASJIT && !LJ_TARGET_ARM && !(LJ_ABI_WIN && LJ_TARGET_X86) #define LJ_UNWIND_JIT 1 #else #define LJ_UNWIND_JIT 0 #endif /* Compatibility with Lua 5.1 vs. 5.2. */ #ifdef LUAJIT_ENABLE_LUA52COMPAT #define LJ_52 1 #else #define LJ_52 0 #endif /* -- VM security --------------------------------------------------------- */ /* Don't make any changes here. Instead build with: ** make "XCFLAGS=-DLUAJIT_SECURITY_flag=value" ** ** Important note to distro maintainers: DO NOT change the defaults for a ** regular distro build -- neither upwards, nor downwards! ** These build-time configurable security flags are intended for embedders ** who may have specific needs wrt. security vs. performance. */ /* Security defaults. */ #ifndef LUAJIT_SECURITY_PRNG /* PRNG init: 0 = fixed/insecure, 1 = secure from OS. */ #define LUAJIT_SECURITY_PRNG 1 #endif #ifndef LUAJIT_SECURITY_STRHASH /* String hash: 0 = sparse only, 1 = sparse + dense. */ #define LUAJIT_SECURITY_STRHASH 1 #endif #ifndef LUAJIT_SECURITY_STRID /* String IDs: 0 = linear, 1 = reseed < 255, 2 = reseed < 15, 3 = random. */ #define LUAJIT_SECURITY_STRID 1 #endif #ifndef LUAJIT_SECURITY_MCODE /* Machine code page protection: 0 = insecure RWX, 1 = secure RW^X. */ #define LUAJIT_SECURITY_MCODE 1 #endif #define LJ_SECURITY_MODE \ ( 0u \ | ((LUAJIT_SECURITY_PRNG & 3) << 0) \ | ((LUAJIT_SECURITY_STRHASH & 3) << 2) \ | ((LUAJIT_SECURITY_STRID & 3) << 4) \ | ((LUAJIT_SECURITY_MCODE & 3) << 6) \ ) #define LJ_SECURITY_MODESTRING \ "\004prng\007strhash\005strid\005mcode" #endif