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Diffstat (limited to 'sljit/sljitConfigInternal.h')
| -rw-r--r-- | sljit/sljitConfigInternal.h | 724 |
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diff --git a/sljit/sljitConfigInternal.h b/sljit/sljitConfigInternal.h new file mode 100644 index 0000000..9275b14 --- /dev/null +++ b/sljit/sljitConfigInternal.h @@ -0,0 +1,724 @@ +/* + * Stack-less Just-In-Time compiler + * + * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SLJIT_CONFIG_INTERNAL_H_ +#define _SLJIT_CONFIG_INTERNAL_H_ + +/* + SLJIT defines the following architecture dependent types and macros: + + Types: + sljit_s8, sljit_u8 : signed and unsigned 8 bit integer type + sljit_s16, sljit_u16 : signed and unsigned 16 bit integer type + sljit_s32, sljit_u32 : signed and unsigned 32 bit integer type + sljit_sw, sljit_uw : signed and unsigned machine word, enough to store a pointer + sljit_p : unsgined pointer value (usually the same as sljit_uw, but + some 64 bit ABIs may use 32 bit pointers) + sljit_f32 : 32 bit single precision floating point value + sljit_f64 : 64 bit double precision floating point value + + Macros for feature detection (boolean): + SLJIT_32BIT_ARCHITECTURE : 32 bit architecture + SLJIT_64BIT_ARCHITECTURE : 64 bit architecture + SLJIT_LITTLE_ENDIAN : little endian architecture + SLJIT_BIG_ENDIAN : big endian architecture + SLJIT_UNALIGNED : allows unaligned memory accesses for non-fpu operations (only!) + SLJIT_INDIRECT_CALL : see SLJIT_FUNC_OFFSET() for more information + + Constants: + SLJIT_NUMBER_OF_REGISTERS : number of available registers + SLJIT_NUMBER_OF_SCRATCH_REGISTERS : number of available scratch registers + SLJIT_NUMBER_OF_SAVED_REGISTERS : number of available saved registers + SLJIT_NUMBER_OF_FLOAT_REGISTERS : number of available floating point registers + SLJIT_NUMBER_OF_SCRATCH_FLOAT_REGISTERS : number of available floating point scratch registers + SLJIT_NUMBER_OF_SAVED_FLOAT_REGISTERS : number of available floating point saved registers + SLJIT_WORD_SHIFT : the shift required to apply when accessing a sljit_sw/sljit_uw array by index + SLJIT_F32_SHIFT : the shift required to apply when accessing + a single precision floating point array by index + SLJIT_F64_SHIFT : the shift required to apply when accessing + a double precision floating point array by index + SLJIT_LOCALS_OFFSET : local space starting offset (SLJIT_SP + SLJIT_LOCALS_OFFSET) + SLJIT_RETURN_ADDRESS_OFFSET : a return instruction always adds this offset to the return address + + Other macros: + SLJIT_CALL : C calling convention define for both calling JIT form C and C callbacks for JIT + SLJIT_W(number) : defining 64 bit constants on 64 bit architectures (compiler independent helper) +*/ + +/*****************/ +/* Sanity check. */ +/*****************/ + +#if !((defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \ + || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \ + || (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) \ + || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \ + || (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \ + || (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \ + || (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \ + || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \ + || (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) \ + || (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) \ + || (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \ + || (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX) \ + || (defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO) \ + || (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)) +#error "An architecture must be selected" +#endif + +#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \ + + (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \ + + (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) \ + + (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \ + + (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \ + + (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \ + + (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \ + + (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \ + + (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX) \ + + (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) \ + + (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) \ + + (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) \ + + (defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO) \ + + (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) >= 2 +#error "Multiple architectures are selected" +#endif + +/********************************************************/ +/* Automatic CPU detection (requires compiler support). */ +/********************************************************/ + +#if (defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO) + +#ifndef _WIN32 + +#if defined(__i386__) || defined(__i386) +#define SLJIT_CONFIG_X86_32 1 +#elif defined(__x86_64__) +#define SLJIT_CONFIG_X86_64 1 +#elif defined(__arm__) || defined(__ARM__) +#ifdef __thumb2__ +#define SLJIT_CONFIG_ARM_THUMB2 1 +#elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) +#define SLJIT_CONFIG_ARM_V7 1 +#else +#define SLJIT_CONFIG_ARM_V5 1 +#endif +#elif defined (__aarch64__) +#define SLJIT_CONFIG_ARM_64 1 +#elif defined(__ppc64__) || defined(__powerpc64__) || defined(_ARCH_PPC64) || (defined(_POWER) && defined(__64BIT__)) +#define SLJIT_CONFIG_PPC_64 1 +#elif defined(__ppc__) || defined(__powerpc__) || defined(_ARCH_PPC) || defined(_ARCH_PWR) || defined(_ARCH_PWR2) || defined(_POWER) +#define SLJIT_CONFIG_PPC_32 1 +#elif defined(__mips__) && !defined(_LP64) +#define SLJIT_CONFIG_MIPS_32 1 +#elif defined(__mips64) +#define SLJIT_CONFIG_MIPS_64 1 +#elif defined(__sparc__) || defined(__sparc) +#define SLJIT_CONFIG_SPARC_32 1 +#elif defined(__tilegx__) +#define SLJIT_CONFIG_TILEGX 1 +#else +/* Unsupported architecture */ +#define SLJIT_CONFIG_UNSUPPORTED 1 +#endif + +#else /* !_WIN32 */ + +#if defined(_M_X64) || defined(__x86_64__) +#define SLJIT_CONFIG_X86_64 1 +#elif defined(_ARM_) +#define SLJIT_CONFIG_ARM_V5 1 +#else +#define SLJIT_CONFIG_X86_32 1 +#endif + +#endif /* !WIN32 */ +#endif /* SLJIT_CONFIG_AUTO */ + +#if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) +#undef SLJIT_EXECUTABLE_ALLOCATOR +#endif + +/******************************/ +/* CPU family type detection. */ +/******************************/ + +#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \ + || (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) +#define SLJIT_CONFIG_ARM_32 1 +#endif + +#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) +#define SLJIT_CONFIG_X86 1 +#elif (defined SLJIT_CONFIG_ARM_32 && SLJIT_CONFIG_ARM_32) || (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) +#define SLJIT_CONFIG_ARM 1 +#elif (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) +#define SLJIT_CONFIG_PPC 1 +#elif (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) || (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) +#define SLJIT_CONFIG_MIPS 1 +#elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) || (defined SLJIT_CONFIG_SPARC_64 && SLJIT_CONFIG_SPARC_64) +#define SLJIT_CONFIG_SPARC 1 +#endif + +/**********************************/ +/* External function definitions. */ +/**********************************/ + +#if !(defined SLJIT_STD_MACROS_DEFINED && SLJIT_STD_MACROS_DEFINED) + +/* These libraries are needed for the macros below. */ +#include <stdlib.h> +#include <string.h> + +#endif /* SLJIT_STD_MACROS_DEFINED */ + +/* General macros: + Note: SLJIT is designed to be independent from them as possible. + + In release mode (SLJIT_DEBUG is not defined) only the following + external functions are needed: +*/ + +#ifndef SLJIT_MALLOC +#define SLJIT_MALLOC(size, allocator_data) malloc(size) +#endif + +#ifndef SLJIT_FREE +#define SLJIT_FREE(ptr, allocator_data) free(ptr) +#endif + +#ifndef SLJIT_MEMMOVE +#define SLJIT_MEMMOVE(dest, src, len) memmove(dest, src, len) +#endif + +#ifndef SLJIT_ZEROMEM +#define SLJIT_ZEROMEM(dest, len) memset(dest, 0, len) +#endif + +/***************************/ +/* Compiler helper macros. */ +/***************************/ + +#if !defined(SLJIT_LIKELY) && !defined(SLJIT_UNLIKELY) + +#if defined(__GNUC__) && (__GNUC__ >= 3) +#define SLJIT_LIKELY(x) __builtin_expect((x), 1) +#define SLJIT_UNLIKELY(x) __builtin_expect((x), 0) +#else +#define SLJIT_LIKELY(x) (x) +#define SLJIT_UNLIKELY(x) (x) +#endif + +#endif /* !defined(SLJIT_LIKELY) && !defined(SLJIT_UNLIKELY) */ + +#ifndef SLJIT_INLINE +/* Inline functions. Some old compilers do not support them. */ +#if defined(__SUNPRO_C) && __SUNPRO_C <= 0x510 +#define SLJIT_INLINE +#else +#define SLJIT_INLINE __inline +#endif +#endif /* !SLJIT_INLINE */ + +#ifndef SLJIT_NOINLINE +/* Not inline functions. */ +#if defined(__GNUC__) +#define SLJIT_NOINLINE __attribute__ ((noinline)) +#else +#define SLJIT_NOINLINE +#endif +#endif /* !SLJIT_INLINE */ + +#ifndef SLJIT_UNUSED_ARG +/* Unused arguments. */ +#define SLJIT_UNUSED_ARG(arg) (void)arg +#endif + +/*********************************/ +/* Type of public API functions. */ +/*********************************/ + +#if (defined SLJIT_CONFIG_STATIC && SLJIT_CONFIG_STATIC) +/* Static ABI functions. For all-in-one programs. */ + +#if defined(__GNUC__) +/* Disable unused warnings in gcc. */ +#define SLJIT_API_FUNC_ATTRIBUTE static __attribute__((unused)) +#else +#define SLJIT_API_FUNC_ATTRIBUTE static +#endif + +#else +#define SLJIT_API_FUNC_ATTRIBUTE +#endif /* (defined SLJIT_CONFIG_STATIC && SLJIT_CONFIG_STATIC) */ + +/****************************/ +/* Instruction cache flush. */ +/****************************/ + +#if (!defined SLJIT_CACHE_FLUSH && defined __has_builtin) +#if __has_builtin(__builtin___clear_cache) + +#define SLJIT_CACHE_FLUSH(from, to) \ + __builtin___clear_cache((char*)from, (char*)to) + +#endif /* __has_builtin(__builtin___clear_cache) */ +#endif /* (!defined SLJIT_CACHE_FLUSH && defined __has_builtin) */ + +#ifndef SLJIT_CACHE_FLUSH + +#if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) + +/* Not required to implement on archs with unified caches. */ +#define SLJIT_CACHE_FLUSH(from, to) + +#elif defined __APPLE__ + +/* Supported by all macs since Mac OS 10.5. + However, it does not work on non-jailbroken iOS devices, + although the compilation is successful. */ + +#define SLJIT_CACHE_FLUSH(from, to) \ + sys_icache_invalidate((char*)(from), (char*)(to) - (char*)(from)) + +#elif (defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) + +#define SLJIT_CACHE_FLUSH(from, to) \ + __builtin___clear_cache((char*)from, (char*)to) + +#elif defined __ANDROID__ + +/* Android lacks __clear_cache; instead, cacheflush should be used. */ + +#define SLJIT_CACHE_FLUSH(from, to) \ + cacheflush((long)(from), (long)(to), 0) + +#elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC) + +/* The __clear_cache() implementation of GCC is a dummy function on PowerPC. */ +#define SLJIT_CACHE_FLUSH(from, to) \ + ppc_cache_flush((from), (to)) +#define SLJIT_CACHE_FLUSH_OWN_IMPL 1 + +#elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + +/* The __clear_cache() implementation of GCC is a dummy function on Sparc. */ +#define SLJIT_CACHE_FLUSH(from, to) \ + sparc_cache_flush((from), (to)) +#define SLJIT_CACHE_FLUSH_OWN_IMPL 1 + +#else + +/* Calls __ARM_NR_cacheflush on ARM-Linux. */ +#define SLJIT_CACHE_FLUSH(from, to) \ + __clear_cache((char*)(from), (char*)(to)) + +#endif + +#endif /* !SLJIT_CACHE_FLUSH */ + +/******************************************************/ +/* Integer and floating point type definitions. */ +/******************************************************/ + +/* 8 bit byte type. */ +typedef unsigned char sljit_u8; +typedef signed char sljit_s8; + +/* 16 bit half-word type. */ +typedef unsigned short int sljit_u16; +typedef signed short int sljit_s16; + +/* 32 bit integer type. */ +typedef unsigned int sljit_u32; +typedef signed int sljit_s32; + +/* Machine word type. Enough for storing a pointer. + 32 bit for 32 bit machines. + 64 bit for 64 bit machines. */ +#if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) +/* Just to have something. */ +#define SLJIT_WORD_SHIFT 0 +typedef unsigned long int sljit_uw; +typedef long int sljit_sw; +#elif !(defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \ + && !(defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \ + && !(defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \ + && !(defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) \ + && !(defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX) +#define SLJIT_32BIT_ARCHITECTURE 1 +#define SLJIT_WORD_SHIFT 2 +typedef unsigned int sljit_uw; +typedef int sljit_sw; +#else +#define SLJIT_64BIT_ARCHITECTURE 1 +#define SLJIT_WORD_SHIFT 3 +#ifdef _WIN32 +typedef unsigned __int64 sljit_uw; +typedef __int64 sljit_sw; +#else +typedef unsigned long int sljit_uw; +typedef long int sljit_sw; +#endif +#endif + +typedef sljit_uw sljit_p; + +/* Floating point types. */ +typedef float sljit_f32; +typedef double sljit_f64; + +/* Shift for pointer sized data. */ +#define SLJIT_POINTER_SHIFT SLJIT_WORD_SHIFT + +/* Shift for double precision sized data. */ +#define SLJIT_F32_SHIFT 2 +#define SLJIT_F64_SHIFT 3 + +#ifndef SLJIT_W + +/* Defining long constants. */ +#if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE) +#define SLJIT_W(w) (w##ll) +#else +#define SLJIT_W(w) (w) +#endif + +#endif /* !SLJIT_W */ + +/*************************/ +/* Endianness detection. */ +/*************************/ + +#if !defined(SLJIT_BIG_ENDIAN) && !defined(SLJIT_LITTLE_ENDIAN) + +/* These macros are mostly useful for the applications. */ +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \ + || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + +#ifdef __LITTLE_ENDIAN__ +#define SLJIT_LITTLE_ENDIAN 1 +#else +#define SLJIT_BIG_ENDIAN 1 +#endif + +#elif (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) \ + || (defined SLJIT_CONFIG_MIPS_64 && SLJIT_CONFIG_MIPS_64) + +#ifdef __MIPSEL__ +#define SLJIT_LITTLE_ENDIAN 1 +#else +#define SLJIT_BIG_ENDIAN 1 +#endif + +#elif (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) + +#define SLJIT_BIG_ENDIAN 1 + +#else +#define SLJIT_LITTLE_ENDIAN 1 +#endif + +#endif /* !defined(SLJIT_BIG_ENDIAN) && !defined(SLJIT_LITTLE_ENDIAN) */ + +/* Sanity check. */ +#if (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN) && (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN) +#error "Exactly one endianness must be selected" +#endif + +#if !(defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN) && !(defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN) +#error "Exactly one endianness must be selected" +#endif + +#ifndef SLJIT_UNALIGNED + +#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \ + || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \ + || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \ + || (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \ + || (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) \ + || (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \ + || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) +#define SLJIT_UNALIGNED 1 +#endif + +#endif /* !SLJIT_UNALIGNED */ + +#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) +/* Auto detect SSE2 support using CPUID. + On 64 bit x86 cpus, sse2 must be present. */ +#define SLJIT_DETECT_SSE2 1 +#endif + +/*****************************************************************************************/ +/* Calling convention of functions generated by SLJIT or called from the generated code. */ +/*****************************************************************************************/ + +#ifndef SLJIT_CALL + +#if (defined SLJIT_USE_CDECL_CALLING_CONVENTION && SLJIT_USE_CDECL_CALLING_CONVENTION) + +/* Force cdecl. */ +#define SLJIT_CALL + +#elif (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) + +#if defined(__GNUC__) && !defined(__APPLE__) + +#define SLJIT_CALL __attribute__ ((fastcall)) +#define SLJIT_X86_32_FASTCALL 1 + +#elif defined(_MSC_VER) + +#define SLJIT_CALL __fastcall +#define SLJIT_X86_32_FASTCALL 1 + +#elif defined(__BORLANDC__) + +#define SLJIT_CALL __msfastcall +#define SLJIT_X86_32_FASTCALL 1 + +#else /* Unknown compiler. */ + +/* The cdecl attribute is the default. */ +#define SLJIT_CALL + +#endif + +#else /* Non x86-32 architectures. */ + +#define SLJIT_CALL + +#endif /* SLJIT_CONFIG_X86_32 */ + +#endif /* !SLJIT_CALL */ + +#ifndef SLJIT_INDIRECT_CALL +#if ((defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) && (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN)) \ + || ((defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) && defined _AIX) +/* It seems certain ppc compilers use an indirect addressing for functions + which makes things complicated. */ +#define SLJIT_INDIRECT_CALL 1 +#endif +#endif /* SLJIT_INDIRECT_CALL */ + +/* The offset which needs to be substracted from the return address to +determine the next executed instruction after return. */ +#ifndef SLJIT_RETURN_ADDRESS_OFFSET +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) +#define SLJIT_RETURN_ADDRESS_OFFSET 8 +#else +#define SLJIT_RETURN_ADDRESS_OFFSET 0 +#endif +#endif /* SLJIT_RETURN_ADDRESS_OFFSET */ + +/***************************************************/ +/* Functions of the built-in executable allocator. */ +/***************************************************/ + +#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR) +SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size); +SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr); +SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void); +#define SLJIT_MALLOC_EXEC(size) sljit_malloc_exec(size) +#define SLJIT_FREE_EXEC(ptr) sljit_free_exec(ptr) +#endif + +/**********************************************/ +/* Registers and locals offset determination. */ +/**********************************************/ + +#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) + +#define SLJIT_NUMBER_OF_REGISTERS 10 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 7 +#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL) +#define SLJIT_LOCALS_OFFSET_BASE ((2 + 4) * sizeof(sljit_sw)) +#else +/* Maximum 3 arguments are passed on the stack, +1 for double alignment. */ +#define SLJIT_LOCALS_OFFSET_BASE ((3 + 1 + 4) * sizeof(sljit_sw)) +#endif /* SLJIT_X86_32_FASTCALL */ + +#elif (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) + +#ifndef _WIN64 +#define SLJIT_NUMBER_OF_REGISTERS 12 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 6 +#define SLJIT_LOCALS_OFFSET_BASE (sizeof(sljit_sw)) +#else +#define SLJIT_NUMBER_OF_REGISTERS 12 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 8 +#define SLJIT_LOCALS_OFFSET_BASE ((4 + 2) * sizeof(sljit_sw)) +#endif /* _WIN64 */ + +#elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) || (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) + +#define SLJIT_NUMBER_OF_REGISTERS 11 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 8 +#define SLJIT_LOCALS_OFFSET_BASE 0 + +#elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) + +#define SLJIT_NUMBER_OF_REGISTERS 11 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 7 +#define SLJIT_LOCALS_OFFSET_BASE 0 + +#elif (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) + +#define SLJIT_NUMBER_OF_REGISTERS 25 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 10 +#define SLJIT_LOCALS_OFFSET_BASE (2 * sizeof(sljit_sw)) + +#elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC) + +#define SLJIT_NUMBER_OF_REGISTERS 22 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 17 +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) || (defined _AIX) +#define SLJIT_LOCALS_OFFSET_BASE ((6 + 8) * sizeof(sljit_sw)) +#elif (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) +/* Add +1 for double alignment. */ +#define SLJIT_LOCALS_OFFSET_BASE ((3 + 1) * sizeof(sljit_sw)) +#else +#define SLJIT_LOCALS_OFFSET_BASE (3 * sizeof(sljit_sw)) +#endif /* SLJIT_CONFIG_PPC_64 || _AIX */ + +#elif (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS) + +#define SLJIT_NUMBER_OF_REGISTERS 17 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 8 +#if (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) +#define SLJIT_LOCALS_OFFSET_BASE (4 * sizeof(sljit_sw)) +#else +#define SLJIT_LOCALS_OFFSET_BASE 0 +#endif + +#elif (defined SLJIT_CONFIG_SPARC && SLJIT_CONFIG_SPARC) + +#define SLJIT_NUMBER_OF_REGISTERS 18 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 14 +#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32) +/* Add +1 for double alignment. */ +#define SLJIT_LOCALS_OFFSET_BASE ((23 + 1) * sizeof(sljit_sw)) +#endif + +#elif (defined SLJIT_CONFIG_TILEGX && SLJIT_CONFIG_TILEGX) + +#define SLJIT_NUMBER_OF_REGISTERS 10 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 5 +#define SLJIT_LOCALS_OFFSET_BASE 0 + +#elif (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) + +#define SLJIT_NUMBER_OF_REGISTERS 0 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 0 +#define SLJIT_LOCALS_OFFSET_BASE 0 + +#endif + +#define SLJIT_LOCALS_OFFSET (SLJIT_LOCALS_OFFSET_BASE) + +#define SLJIT_NUMBER_OF_SCRATCH_REGISTERS \ + (SLJIT_NUMBER_OF_REGISTERS - SLJIT_NUMBER_OF_SAVED_REGISTERS) + +#define SLJIT_NUMBER_OF_FLOAT_REGISTERS 6 +#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) && (defined _WIN64) +#define SLJIT_NUMBER_OF_SAVED_FLOAT_REGISTERS 1 +#else +#define SLJIT_NUMBER_OF_SAVED_FLOAT_REGISTERS 0 +#endif + +#define SLJIT_NUMBER_OF_SCRATCH_FLOAT_REGISTERS \ + (SLJIT_NUMBER_OF_FLOAT_REGISTERS - SLJIT_NUMBER_OF_SAVED_FLOAT_REGISTERS) + +/*************************************/ +/* Debug and verbose related macros. */ +/*************************************/ + +#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) +#include <stdio.h> +#endif + +#if (defined SLJIT_DEBUG && SLJIT_DEBUG) + +#if !defined(SLJIT_ASSERT) || !defined(SLJIT_ASSERT_STOP) + +/* SLJIT_HALT_PROCESS must halt the process. */ +#ifndef SLJIT_HALT_PROCESS +#include <stdlib.h> + +#define SLJIT_HALT_PROCESS() \ + abort(); +#endif /* !SLJIT_HALT_PROCESS */ + +#include <stdio.h> + +#endif /* !SLJIT_ASSERT || !SLJIT_ASSERT_STOP */ + +/* Feel free to redefine these two macros. */ +#ifndef SLJIT_ASSERT + +#define SLJIT_ASSERT(x) \ + do { \ + if (SLJIT_UNLIKELY(!(x))) { \ + printf("Assertion failed at " __FILE__ ":%d\n", __LINE__); \ + SLJIT_HALT_PROCESS(); \ + } \ + } while (0) + +#endif /* !SLJIT_ASSERT */ + +#ifndef SLJIT_ASSERT_STOP + +#define SLJIT_ASSERT_STOP() \ + do { \ + printf("Should never been reached " __FILE__ ":%d\n", __LINE__); \ + SLJIT_HALT_PROCESS(); \ + } while (0) + +#endif /* !SLJIT_ASSERT_STOP */ + +#else /* (defined SLJIT_DEBUG && SLJIT_DEBUG) */ + +/* Forcing empty, but valid statements. */ +#undef SLJIT_ASSERT +#undef SLJIT_ASSERT_STOP + +#define SLJIT_ASSERT(x) \ + do { } while (0) +#define SLJIT_ASSERT_STOP() \ + do { } while (0) + +#endif /* (defined SLJIT_DEBUG && SLJIT_DEBUG) */ + +#ifndef SLJIT_COMPILE_ASSERT + +/* Should be improved eventually. */ +#define SLJIT_COMPILE_ASSERT(x, description) \ + SLJIT_ASSERT(x) + +#endif /* !SLJIT_COMPILE_ASSERT */ + +#endif |