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/*
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* Stack-less Just-In-Time compiler
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*
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* Copyright 2009-2010 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SLJIT_CONFIG_INTERNAL_H_
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#define _SLJIT_CONFIG_INTERNAL_H_
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/*
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SLJIT defines the following variables itself depending on the configuration:
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sljit_b, sljit_ub : signed and unsigned 8 bit byte
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sljit_h, sljit_uh : signed and unsigned 16 bit half-word (short) type
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sljit_i, sljit_ui : signed and unsigned 32 bit integer type
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sljit_w, sljit_uw : signed and unsigned machine word, enough to store a pointer (same as intptr_t)
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SLJIT_CALL : C calling convention for both calling JIT and C callbacks from JIT
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SLJIT_32BIT_ARCHITECTURE : 32 bit architecture
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SLJIT_64BIT_ARCHITECTURE : 64 bit architecture
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SLJIT_WORD_SHIFT : the shift required to apply when accessing a sljit_w/sljit_uw array by index
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SLJIT_FLOAT_SHIFT : the shift required to apply when accessing a double array by index
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SLJIT_BIG_ENDIAN : big endian architecture
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SLJIT_LITTLE_ENDIAN : little endian architecture
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SLJIT_INDIRECT_CALL : see SLJIT_FUNC_OFFSET()
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SLJIT_W : for defining 64 bit constants on 64 bit architectures (compiler workaround)
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SLJIT_UNALIGNED : allows unaligned memory accesses for integer arithmetic (only!)
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*/
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#if !((defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \
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|| (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \
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|| (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) \
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|| (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \
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|| (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \
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|| (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \
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|| (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \
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|| (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) \
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|| (defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO) \
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|| (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED))
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#error "An architecture must be selected"
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#endif
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/* Sanity check. */
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#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \
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+ (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \
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+ (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) \
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+ (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \
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+ (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \
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+ (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \
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+ (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) \
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+ (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) \
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+ (defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO) \
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+ (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) >= 2
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#error "Multiple architectures are selected"
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#endif
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/* Auto select option (requires compiler support) */
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#if (defined SLJIT_CONFIG_AUTO && SLJIT_CONFIG_AUTO)
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#ifndef _WIN32
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#if defined(__i386__) || defined(__i386)
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#define SLJIT_CONFIG_X86_32 1
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#elif defined(__x86_64__)
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#define SLJIT_CONFIG_X86_64 1
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#elif defined(__arm__) || defined(__ARM__)
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#ifdef __thumb2__
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#define SLJIT_CONFIG_ARM_THUMB2 1
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#elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__)
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#define SLJIT_CONFIG_ARM_V7 1
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#else
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#define SLJIT_CONFIG_ARM_V5 1
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#endif
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#elif defined(__ppc64__) || defined(__powerpc64__)
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#define SLJIT_CONFIG_PPC_64 1
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#elif defined(__ppc__) || defined(__powerpc__)
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#define SLJIT_CONFIG_PPC_32 1
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#elif defined(__mips__)
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#define SLJIT_CONFIG_MIPS_32 1
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#else
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/* Unsupported architecture */
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#define SLJIT_CONFIG_UNSUPPORTED 1
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#endif
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#else /* !_WIN32 */
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#if defined(_M_X64) || defined(__x86_64__)
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#define SLJIT_CONFIG_X86_64 1
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#elif defined(_ARM_)
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#define SLJIT_CONFIG_ARM_V5 1
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#else
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#define SLJIT_CONFIG_X86_32 1
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#endif
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#endif /* !WIN32 */
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#endif /* SLJIT_CONFIG_AUTO */
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#if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
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#undef SLJIT_EXECUTABLE_ALLOCATOR
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#endif
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#if !(defined SLJIT_STD_MACROS_DEFINED && SLJIT_STD_MACROS_DEFINED)
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/* These libraries are needed for the macros below. */
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#include <stdlib.h>
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#include <string.h>
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#endif /* STD_MACROS_DEFINED */
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/* General macros:
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Note: SLJIT is designed to be independent from them as possible.
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In release mode (SLJIT_DEBUG is not defined) only the following macros are needed:
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*/
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#ifndef SLJIT_MALLOC
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#define SLJIT_MALLOC(size) malloc(size)
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#endif
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#ifndef SLJIT_FREE
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#define SLJIT_FREE(ptr) free(ptr)
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#endif
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#ifndef SLJIT_MEMMOVE
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#define SLJIT_MEMMOVE(dest, src, len) memmove(dest, src, len)
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#endif
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#ifndef SLJIT_ZEROMEM
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#define SLJIT_ZEROMEM(dest, len) memset(dest, 0, len)
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#endif
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#if !defined(SLJIT_LIKELY) && !defined(SLJIT_UNLIKELY)
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#if defined(__GNUC__) && (__GNUC__ >= 3)
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#define SLJIT_LIKELY(x) __builtin_expect((x), 1)
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#define SLJIT_UNLIKELY(x) __builtin_expect((x), 0)
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#else
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#define SLJIT_LIKELY(x) (x)
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#define SLJIT_UNLIKELY(x) (x)
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#endif
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#endif /* !defined(SLJIT_LIKELY) && !defined(SLJIT_UNLIKELY) */
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#ifndef SLJIT_INLINE
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/* Inline functions. */
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#define SLJIT_INLINE __inline
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#endif
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#ifndef SLJIT_CONST
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/* Const variables. */
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#define SLJIT_CONST const
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#endif
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#ifndef SLJIT_UNUSED_ARG
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/* Unused arguments. */
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#define SLJIT_UNUSED_ARG(arg) (void)arg
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#endif
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#if (defined SLJIT_CONFIG_STATIC && SLJIT_CONFIG_STATIC)
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/* Static ABI functions. For all-in-one programs. */
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#if defined(__GNUC__)
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/* Disable unused warnings in gcc. */
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#define SLJIT_API_FUNC_ATTRIBUTE static __attribute__((unused))
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#else
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#define SLJIT_API_FUNC_ATTRIBUTE static
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#endif
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#else
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#define SLJIT_API_FUNC_ATTRIBUTE
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#endif /* (defined SLJIT_CONFIG_STATIC && SLJIT_CONFIG_STATIC) */
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#ifndef SLJIT_CACHE_FLUSH
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#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
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/* The __clear_cache() implementation of GCC is a dummy function on PowerPC. */
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#define SLJIT_CACHE_FLUSH(from, to) \
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ppc_cache_flush((from), (to))
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#elif (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
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/* Not required to implement on archs with unified caches. */
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#define SLJIT_CACHE_FLUSH(from, to)
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#else
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/* Calls __ARM_NR_cacheflush on ARM-Linux. */
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#define SLJIT_CACHE_FLUSH(from, to) \
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__clear_cache((char*)(from), (char*)(to))
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#endif
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#endif /* !SLJIT_CACHE_FLUSH */
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/* 8 bit byte type. */
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typedef unsigned char sljit_ub;
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typedef signed char sljit_b;
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/* 16 bit half-word type. */
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typedef unsigned short int sljit_uh;
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typedef signed short int sljit_h;
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/* 32 bit integer type. */
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typedef unsigned int sljit_ui;
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typedef signed int sljit_i;
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/* Machine word type. Can encapsulate a pointer.
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32 bit for 32 bit machines.
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64 bit for 64 bit machines. */
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#if !(defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) && !(defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
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#define SLJIT_32BIT_ARCHITECTURE 1
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#define SLJIT_WORD_SHIFT 2
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typedef unsigned int sljit_uw;
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typedef int sljit_w;
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#else
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#define SLJIT_64BIT_ARCHITECTURE 1
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#define SLJIT_WORD_SHIFT 3
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#ifdef _WIN32
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typedef unsigned __int64 sljit_uw;
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typedef __int64 sljit_w;
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#else
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typedef unsigned long int sljit_uw;
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typedef long int sljit_w;
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#endif
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#endif
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/* Double precision. */
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#define SLJIT_FLOAT_SHIFT 3
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#ifndef SLJIT_W
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/* Defining long constants. */
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#if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE)
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#define SLJIT_W(w) (w##ll)
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#else
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#define SLJIT_W(w) (w)
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#endif
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#endif /* !SLJIT_W */
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#ifndef SLJIT_CALL
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/* ABI (Application Binary Interface) types. */
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#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
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#if defined(__GNUC__)
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#define SLJIT_CALL __attribute__ ((fastcall))
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#define SLJIT_X86_32_FASTCALL 1
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#elif defined(_WIN32)
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#ifdef __BORLANDC__
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#define SLJIT_CALL __msfastcall
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#else /* __BORLANDC__ */
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#define SLJIT_CALL __fastcall
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#endif /* __BORLANDC__ */
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#define SLJIT_X86_32_FASTCALL 1
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#else /* defined(_WIN32) */
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#define SLJIT_CALL __stdcall
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#endif
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#else /* Other architectures. */
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#define SLJIT_CALL
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#endif /* SLJIT_CONFIG_X86_32 */
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| 289 |
#endif /* !SLJIT_CALL */
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#if !defined(SLJIT_BIG_ENDIAN) && !defined(SLJIT_LITTLE_ENDIAN)
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| 292 |
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| 293 |
/* These macros are useful for the application. */
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#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
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#define SLJIT_BIG_ENDIAN 1
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| 296 |
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| 297 |
#elif (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32)
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#ifdef __MIPSEL__
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#define SLJIT_LITTLE_ENDIAN 1
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#else
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#define SLJIT_BIG_ENDIAN 1
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#endif
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| 304 |
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| 305 |
#else
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| 306 |
#define SLJIT_LITTLE_ENDIAN 1
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| 307 |
#endif
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| 308 |
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| 309 |
#endif /* !defined(SLJIT_BIG_ENDIAN) && !defined(SLJIT_LITTLE_ENDIAN) */
|
| 310 |
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| 311 |
/* Sanity check. */
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| 312 |
#if (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN) && (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
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| 313 |
#error "Exactly one endianness must be selected"
|
| 314 |
#endif
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| 315 |
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| 316 |
#if !(defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN) && !(defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN)
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| 317 |
#error "Exactly one endianness must be selected"
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| 318 |
#endif
|
| 319 |
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| 320 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
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| 321 |
/* It seems ppc64 compilers use an indirect addressing for functions.
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| 322 |
It makes things really complicated. */
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| 323 |
#define SLJIT_INDIRECT_CALL 1
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| 324 |
#endif
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| 325 |
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| 326 |
#ifndef SLJIT_SSE2
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| 327 |
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| 328 |
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
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| 329 |
/* Turn on SSE2 support on x86 (operating on doubles).
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| 330 |
(Better performance than legacy fpu instructions). */
|
| 331 |
#define SLJIT_SSE2 1
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| 332 |
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| 333 |
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32)
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| 334 |
/* Auto detect SSE2 support using CPUID.
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| 335 |
On 64 bit x86 cpus, sse2 must be present. */
|
| 336 |
#define SLJIT_SSE2_AUTO 1
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| 337 |
#endif
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| 338 |
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| 339 |
#endif /* (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) */
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| 340 |
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| 341 |
#endif /* !SLJIT_SSE2 */
|
| 342 |
|
| 343 |
#ifndef SLJIT_UNALIGNED
|
| 344 |
|
| 345 |
#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \
|
| 346 |
|| (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) \
|
| 347 |
|| (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) \
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| 348 |
|| (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \
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| 349 |
|| (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \
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| 350 |
|| (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
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| 351 |
#define SLJIT_UNALIGNED 1
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| 352 |
#endif
|
| 353 |
|
| 354 |
#endif /* !SLJIT_UNALIGNED */
|
| 355 |
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| 356 |
#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
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| 357 |
SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size);
|
| 358 |
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr);
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| 359 |
#define SLJIT_MALLOC_EXEC(size) sljit_malloc_exec(size)
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| 360 |
#define SLJIT_FREE_EXEC(ptr) sljit_free_exec(ptr)
|
| 361 |
#endif
|
| 362 |
|
| 363 |
#if (defined SLJIT_DEBUG && SLJIT_DEBUG) || (defined SLJIT_VERBOSE && SLJIT_VERBOSE)
|
| 364 |
#include <stdio.h>
|
| 365 |
#endif
|
| 366 |
|
| 367 |
#if (defined SLJIT_DEBUG && SLJIT_DEBUG)
|
| 368 |
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| 369 |
/* Feel free to redefine these two macros. */
|
| 370 |
#ifndef SLJIT_ASSERT
|
| 371 |
|
| 372 |
#define SLJIT_HALT_PROCESS() \
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| 373 |
*((int*)0) = 0
|
| 374 |
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| 375 |
#define SLJIT_ASSERT(x) \
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| 376 |
do { \
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| 377 |
if (SLJIT_UNLIKELY(!(x))) { \
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| 378 |
printf("Assertion failed at " __FILE__ ":%d\n", __LINE__); \
|
| 379 |
SLJIT_HALT_PROCESS(); \
|
| 380 |
} \
|
| 381 |
} while (0)
|
| 382 |
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| 383 |
#endif /* !SLJIT_ASSERT */
|
| 384 |
|
| 385 |
#ifndef SLJIT_ASSERT_STOP
|
| 386 |
|
| 387 |
#define SLJIT_ASSERT_STOP() \
|
| 388 |
do { \
|
| 389 |
printf("Should never been reached " __FILE__ ":%d\n", __LINE__); \
|
| 390 |
SLJIT_HALT_PROCESS(); \
|
| 391 |
} while (0)
|
| 392 |
|
| 393 |
#endif /* !SLJIT_ASSERT_STOP */
|
| 394 |
|
| 395 |
#else /* (defined SLJIT_DEBUG && SLJIT_DEBUG) */
|
| 396 |
|
| 397 |
#undef SLJIT_ASSERT
|
| 398 |
#undef SLJIT_ASSERT_STOP
|
| 399 |
|
| 400 |
#define SLJIT_ASSERT(x) \
|
| 401 |
do { } while (0)
|
| 402 |
#define SLJIT_ASSERT_STOP() \
|
| 403 |
do { } while (0)
|
| 404 |
|
| 405 |
#endif /* (defined SLJIT_DEBUG && SLJIT_DEBUG) */
|
| 406 |
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| 407 |
#ifndef SLJIT_COMPILE_ASSERT
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| 408 |
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/* Should be improved eventually. */
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#define SLJIT_COMPILE_ASSERT(x, description) \
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SLJIT_ASSERT(x)
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#endif /* !SLJIT_COMPILE_ASSERT */
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| 414 |
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#endif
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