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ph10 |
662 |
/* |
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* Stack-less Just-In-Time compiler |
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* |
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ph10 |
836 |
* Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. |
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ph10 |
662 |
* |
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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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zherczeg |
752 |
/* These libraries are needed for the macros below. */ |
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ph10 |
662 |
#include <stdlib.h> |
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#include <string.h> |
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zherczeg |
752 |
#endif /* STD_MACROS_DEFINED */ |
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/* General macros: |
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ph10 |
662 |
Note: SLJIT is designed to be independent from them as possible. |
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zherczeg |
752 |
In release mode (SLJIT_DEBUG is not defined) only the following macros are needed: |
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*/ |
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ph10 |
662 |
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zherczeg |
752 |
#ifndef SLJIT_MALLOC |
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ph10 |
662 |
#define SLJIT_MALLOC(size) malloc(size) |
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zherczeg |
752 |
#endif |
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#ifndef SLJIT_FREE |
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ph10 |
662 |
#define SLJIT_FREE(ptr) free(ptr) |
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zherczeg |
752 |
#endif |
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#ifndef SLJIT_MEMMOVE |
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ph10 |
662 |
#define SLJIT_MEMMOVE(dest, src, len) memmove(dest, src, len) |
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zherczeg |
752 |
#endif |
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ph10 |
662 |
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zherczeg |
752 |
#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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ph10 |
662 |
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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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zherczeg |
740 |
#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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ph10 |
662 |
#ifndef SLJIT_CACHE_FLUSH |
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zherczeg |
742 |
#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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ph10 |
662 |
#define SLJIT_CACHE_FLUSH(from, to) \ |
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zherczeg |
742 |
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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ph10 |
662 |
__clear_cache((char*)(from), (char*)(to)) |
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zherczeg |
742 |
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ph10 |
662 |
#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) |
| 230 |
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#define SLJIT_32BIT_ARCHITECTURE 1 |
| 231 |
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#define SLJIT_WORD_SHIFT 2 |
| 232 |
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typedef unsigned int sljit_uw; |
| 233 |
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typedef int sljit_w; |
| 234 |
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#else |
| 235 |
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#define SLJIT_64BIT_ARCHITECTURE 1 |
| 236 |
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#define SLJIT_WORD_SHIFT 3 |
| 237 |
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#ifdef _WIN32 |
| 238 |
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typedef unsigned __int64 sljit_uw; |
| 239 |
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typedef __int64 sljit_w; |
| 240 |
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#else |
| 241 |
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typedef unsigned long int sljit_uw; |
| 242 |
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typedef long int sljit_w; |
| 243 |
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#endif |
| 244 |
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#endif |
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| 246 |
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/* Double precision. */ |
| 247 |
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#define SLJIT_FLOAT_SHIFT 3 |
| 248 |
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| 249 |
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#ifndef SLJIT_W |
| 250 |
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| 251 |
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/* Defining long constants. */ |
| 252 |
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#if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE) |
| 253 |
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#define SLJIT_W(w) (w##ll) |
| 254 |
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#else |
| 255 |
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#define SLJIT_W(w) (w) |
| 256 |
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#endif |
| 257 |
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| 258 |
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#endif /* !SLJIT_W */ |
| 259 |
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| 260 |
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#ifndef SLJIT_CALL |
| 261 |
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| 262 |
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/* ABI (Application Binary Interface) types. */ |
| 263 |
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#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) |
| 264 |
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| 265 |
zherczeg |
704 |
#if defined(__GNUC__) |
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ph10 |
662 |
#define SLJIT_CALL __attribute__ ((fastcall)) |
| 268 |
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#define SLJIT_X86_32_FASTCALL 1 |
| 269 |
zherczeg |
704 |
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ph10 |
662 |
#elif defined(_WIN32) |
| 271 |
zherczeg |
704 |
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| 272 |
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#ifdef __BORLANDC__ |
| 273 |
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#define SLJIT_CALL __msfastcall |
| 274 |
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#else /* __BORLANDC__ */ |
| 275 |
ph10 |
662 |
#define SLJIT_CALL __fastcall |
| 276 |
zherczeg |
704 |
#endif /* __BORLANDC__ */ |
| 277 |
ph10 |
662 |
#define SLJIT_X86_32_FASTCALL 1 |
| 278 |
zherczeg |
704 |
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| 279 |
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#else /* defined(_WIN32) */ |
| 280 |
ph10 |
662 |
#define SLJIT_CALL __stdcall |
| 281 |
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#endif |
| 282 |
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| 283 |
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#else /* Other architectures. */ |
| 284 |
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| 285 |
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#define SLJIT_CALL |
| 286 |
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| 287 |
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#endif /* SLJIT_CONFIG_X86_32 */ |
| 288 |
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| 289 |
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#endif /* !SLJIT_CALL */ |
| 290 |
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| 291 |
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#if !defined(SLJIT_BIG_ENDIAN) && !defined(SLJIT_LITTLE_ENDIAN) |
| 292 |
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| 293 |
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/* These macros are useful for the application. */ |
| 294 |
zherczeg |
703 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 295 |
ph10 |
662 |
#define SLJIT_BIG_ENDIAN 1 |
| 296 |
zherczeg |
703 |
|
| 297 |
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#elif (defined SLJIT_CONFIG_MIPS_32 && SLJIT_CONFIG_MIPS_32) |
| 298 |
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| 299 |
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#ifdef __MIPSEL__ |
| 300 |
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#define SLJIT_LITTLE_ENDIAN 1 |
| 301 |
ph10 |
662 |
#else |
| 302 |
zherczeg |
703 |
#define SLJIT_BIG_ENDIAN 1 |
| 303 |
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#endif |
| 304 |
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| 305 |
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#else |
| 306 |
ph10 |
662 |
#define SLJIT_LITTLE_ENDIAN 1 |
| 307 |
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#endif |
| 308 |
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| 309 |
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#endif /* !defined(SLJIT_BIG_ENDIAN) && !defined(SLJIT_LITTLE_ENDIAN) */ |
| 310 |
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| 311 |
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/* Sanity check. */ |
| 312 |
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#if (defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN) && (defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN) |
| 313 |
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#error "Exactly one endianness must be selected" |
| 314 |
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#endif |
| 315 |
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| 316 |
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#if !(defined SLJIT_BIG_ENDIAN && SLJIT_BIG_ENDIAN) && !(defined SLJIT_LITTLE_ENDIAN && SLJIT_LITTLE_ENDIAN) |
| 317 |
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#error "Exactly one endianness must be selected" |
| 318 |
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#endif |
| 319 |
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| 320 |
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#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 321 |
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/* It seems ppc64 compilers use an indirect addressing for functions. |
| 322 |
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It makes things really complicated. */ |
| 323 |
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#define SLJIT_INDIRECT_CALL 1 |
| 324 |
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#endif |
| 325 |
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| 326 |
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#ifndef SLJIT_SSE2 |
| 327 |
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| 328 |
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#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) |
| 329 |
|
|
/* Turn on SSE2 support on x86 (operating on doubles). |
| 330 |
|
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(Better performance than legacy fpu instructions). */ |
| 331 |
|
|
#define SLJIT_SSE2 1 |
| 332 |
|
|
|
| 333 |
|
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#if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) |
| 334 |
|
|
/* Auto detect SSE2 support using CPUID. |
| 335 |
|
|
On 64 bit x86 cpus, sse2 must be present. */ |
| 336 |
|
|
#define SLJIT_SSE2_AUTO 1 |
| 337 |
|
|
#endif |
| 338 |
|
|
|
| 339 |
|
|
#endif /* (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) */ |
| 340 |
|
|
|
| 341 |
|
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#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) \ |
| 348 |
|
|
|| (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) \ |
| 349 |
|
|
|| (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) \ |
| 350 |
|
|
|| (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) |
| 351 |
|
|
#define SLJIT_UNALIGNED 1 |
| 352 |
|
|
#endif |
| 353 |
|
|
|
| 354 |
|
|
#endif /* !SLJIT_UNALIGNED */ |
| 355 |
|
|
|
| 356 |
|
|
#if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR) |
| 357 |
ph10 |
836 |
SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size); |
| 358 |
|
|
SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr); |
| 359 |
ph10 |
662 |
#define SLJIT_MALLOC_EXEC(size) sljit_malloc_exec(size) |
| 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 |
|
|
|
| 369 |
|
|
/* Feel free to redefine these two macros. */ |
| 370 |
|
|
#ifndef SLJIT_ASSERT |
| 371 |
|
|
|
| 372 |
zherczeg |
740 |
#define SLJIT_HALT_PROCESS() \ |
| 373 |
|
|
*((int*)0) = 0 |
| 374 |
|
|
|
| 375 |
ph10 |
662 |
#define SLJIT_ASSERT(x) \ |
| 376 |
|
|
do { \ |
| 377 |
|
|
if (SLJIT_UNLIKELY(!(x))) { \ |
| 378 |
|
|
printf("Assertion failed at " __FILE__ ":%d\n", __LINE__); \ |
| 379 |
zherczeg |
740 |
SLJIT_HALT_PROCESS(); \ |
| 380 |
ph10 |
662 |
} \ |
| 381 |
|
|
} while (0) |
| 382 |
|
|
|
| 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 |
zherczeg |
740 |
SLJIT_HALT_PROCESS(); \ |
| 391 |
ph10 |
662 |
} 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 |
|
|
|
| 407 |
zherczeg |
740 |
#ifndef SLJIT_COMPILE_ASSERT |
| 408 |
|
|
|
| 409 |
|
|
/* Should be improved eventually. */ |
| 410 |
|
|
#define SLJIT_COMPILE_ASSERT(x, description) \ |
| 411 |
|
|
SLJIT_ASSERT(x) |
| 412 |
|
|
|
| 413 |
|
|
#endif /* !SLJIT_COMPILE_ASSERT */ |
| 414 |
|
|
|
| 415 |
ph10 |
662 |
#endif |
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