1 files changed, 227 insertions, 55 deletions

diff --git a/src/lj_arch.h b/src/lj_arch.h
index 320ccf97..027b39ce 100644
--- a/src/lj_arch.h
+++ b/src/lj_arch.h
@@ -19,12 +19,16 @@
 #define LUAJIT_ARCH_x64         2
 #define LUAJIT_ARCH_ARM         3
 #define LUAJIT_ARCH_arm         3
-#define LUAJIT_ARCH_PPC         4
-#define LUAJIT_ARCH_ppc         4
-#define LUAJIT_ARCH_PPCSPE      5
-#define LUAJIT_ARCH_ppcspe      5
+#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
@@ -43,14 +47,14 @@
 #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)
-#ifdef __NO_FPRS__
-#define LUAJIT_TARGET   LUAJIT_ARCH_PPCSPE
-#else
 #define LUAJIT_TARGET   LUAJIT_ARCH_PPC
-#endif
+#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_MIPS
+#define LUAJIT_TARGET   LUAJIT_ARCH_MIPS32
 #else
 #error "No support for this architecture (yet)"
 #endif
@@ -70,7 +74,7 @@
        defined(__NetBSD__) || defined(__OpenBSD__) || \
        defined(__DragonFly__)) && !defined(__ORBIS__)
 #define LUAJIT_OS       LUAJIT_OS_BSD
-#elif (defined(__sun__) && defined(__svr4__))
+#elif (defined(__sun__) && defined(__svr4__)) || defined(__HAIKU__)
 #define LUAJIT_OS       LUAJIT_OS_POSIX
 #elif defined(__CYGWIN__)
 #define LJ_TARGET_CYGWIN        1
@@ -99,7 +103,7 @@
 #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_IOS           (LJ_TARGET_OSX && LUAJIT_TARGET == LUAJIT_ARCH_ARM)
+#define LJ_TARGET_IOS           (LJ_TARGET_OSX && (LUAJIT_TARGET == LUAJIT_ARCH_ARM || LUAJIT_TARGET == LUAJIT_ARCH_ARM64))
 #define LJ_TARGET_POSIX         (LUAJIT_OS > LUAJIT_OS_WINDOWS)
 #define LJ_TARGET_DLOPEN        LJ_TARGET_POSIX
 
@@ -125,6 +129,19 @@
 #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 _UWP
+#define LJ_TARGET_UWP           1
+#if LUAJIT_TARGET == LUAJIT_ARCH_X64
+#define LJ_TARGET_GC64          1
+#endif
+#endif
+
 #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. */
@@ -167,6 +184,9 @@
 #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
+#endif
 
 #elif LUAJIT_TARGET == LUAJIT_ARCH_ARM
 
@@ -188,7 +208,7 @@
 #define LJ_TARGET_UNIFYROT      2       /* Want only IR_BROR. */
 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_DUAL
 
-#if __ARM_ARCH____ARM_ARCH_8__ || __ARM_ARCH_8A__
+#if __ARM_ARCH_8__ || __ARM_ARCH_8A__
 #define LJ_ARCH_VERSION         80
 #elif __ARM_ARCH_7__ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH_7S__ || __ARM_ARCH_7VE__
 #define LJ_ARCH_VERSION         70
@@ -200,22 +220,84 @@
 #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_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
 
-#define LJ_ARCH_NAME            "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
-#define LJ_ARCH_ENDIAN          LUAJIT_BE
+#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_JUMPRANGE     25      /* +-2^25 = +-32MB */
 #define LJ_TARGET_MASKSHIFT     0
 #define LJ_TARGET_MASKROT       1
 #define LJ_TARGET_UNIFYROT      1       /* Want only IR_BROL. */
-#define LJ_ARCH_NUMMODE         LJ_NUMMODE_DUAL_SINGLE
+
+#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
@@ -230,10 +312,6 @@
 #else
 #define LJ_ARCH_VERSION         0
 #endif
-#if __PPC64__ || __powerpc64__ || LJ_TARGET_CONSOLE
-#define LJ_ARCH_PPC64           1
-#define LJ_ARCH_NOFFI           1
-#endif
 #if _ARCH_PPCSQ
 #define LJ_ARCH_SQRT            1
 #endif
@@ -247,44 +325,79 @@
 #define LJ_ARCH_XENON           1
 #endif
 
-#elif LUAJIT_TARGET == LUAJIT_ARCH_PPCSPE
-
-#define LJ_ARCH_NAME            "ppcspe"
-#define LJ_ARCH_BITS            32
-#define LJ_ARCH_ENDIAN          LUAJIT_BE
-#ifndef LJ_ABI_SOFTFP
-#define LJ_ABI_SOFTFP           1
-#endif
-#define LJ_ABI_EABI             1
-#define LJ_TARGET_PPCSPE        1
-#define LJ_TARGET_EHRETREG      3
-#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. */
-#define LJ_ARCH_NUMMODE         LJ_NUMMODE_SINGLE
-#define LJ_ARCH_NOFFI           1       /* NYI: comparisons, calls. */
-#define LJ_ARCH_NOJIT           1
-
-#elif LUAJIT_TARGET == LUAJIT_ARCH_MIPS
+#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_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_SINGLE
+#define LJ_ARCH_NUMMODE         LJ_NUMMODE_DUAL
 
-#if _MIPS_ARCH_MIPS32R2
+#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
@@ -312,6 +425,16 @@
 #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"
@@ -335,22 +458,29 @@
 #if !(__ARM_EABI__ || LJ_TARGET_IOS)
 #error "Only ARM EABI or iOS 3.0+ ABI is supported"
 #endif
-#elif LJ_TARGET_PPC || LJ_TARGET_PPCSPE
-#if defined(_SOFT_FLOAT) || defined(_SOFT_DOUBLE)
-#error "No support for PowerPC CPUs without double-precision FPU"
+#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 PowerPC"
+#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
-#if defined(_LP64)
-#error "No support for PowerPC 64 bit mode"
+#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
-#elif LJ_TARGET_MIPS
-#if defined(__mips_soft_float)
-#error "No support for MIPS CPUs without FPU"
+#if LJ_TARGET_MIPSR6
+/* Not that useful, since most available r6 CPUs are 64 bit. */
+#error "No support for MIPS32R6"
 #endif
-#if defined(_LP64)
-#error "No support for MIPS64"
+#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
@@ -376,6 +506,20 @@
 #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
@@ -390,6 +534,21 @@
 #define LJ_HASFFI               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
@@ -397,6 +556,7 @@
 #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
@@ -422,11 +582,11 @@
 #define LJ_TARGET_UNALIGNED     0
 #endif
 
-/* Various workarounds for embedded operating systems. */
-#if (defined(__ANDROID__) && !defined(LJ_TARGET_X86ORX64)) || defined(__symbian__) || LJ_TARGET_XBOX360
+/* 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 defined(__symbian__)
+#if defined(__symbian__) || LJ_TARGET_WINDOWS
 #define LUAJIT_NO_EXP2
 #endif
 #if LJ_TARGET_CONSOLE || (LJ_TARGET_IOS && __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0)
@@ -442,6 +602,18 @@
 #define LJ_NO_UNWIND            1
 #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
+
 /* Compatibility with Lua 5.1 vs. 5.2. */
 #ifdef LUAJIT_ENABLE_LUA52COMPAT
 #define LJ_52                   1