/[pcre]/code/trunk/sljit/sljitConfigInternal.h
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revision 740 by zherczeg, Mon Oct 31 06:10:14 2011 UTC revision 839 by zherczeg, Fri Dec 30 13:22:28 2011 UTC
# Line 1  Line 1 
1  /*  /*
2   *    Stack-less Just-In-Time compiler   *    Stack-less Just-In-Time compiler
3   *   *
4   *    Copyright 2009-2010 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.   *    Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
5   *   *
6   * Redistribution and use in source and binary forms, with or without modification, are   * Redistribution and use in source and binary forms, with or without modification, are
7   * permitted provided that the following conditions are met:   * permitted provided that the following conditions are met:
# Line 28  Line 28 
28  #define _SLJIT_CONFIG_INTERNAL_H_  #define _SLJIT_CONFIG_INTERNAL_H_
29    
30  /*  /*
31     SLJIT defines the following variables itself depending on the configuration:     SLJIT defines the following macros depending on the target architecture:
32     sljit_b, sljit_ub : signed and unsigned 8 bit byte  
33     sljit_h, sljit_uh : signed and unsigned 16 bit half-word (short) type     Feature detection (boolean) macros:
    sljit_i, sljit_ui : signed and unsigned 32 bit integer type  
    sljit_w, sljit_uw : signed and unsigned machine word, enough to store a pointer (same as intptr_t)  
    SLJIT_CALL : C calling convention for both calling JIT and C callbacks from JIT  
34     SLJIT_32BIT_ARCHITECTURE : 32 bit architecture     SLJIT_32BIT_ARCHITECTURE : 32 bit architecture
35     SLJIT_64BIT_ARCHITECTURE : 64 bit architecture     SLJIT_64BIT_ARCHITECTURE : 64 bit architecture
36     SLJIT_WORD_SHIFT : the shift required to apply when accessing a sljit_w/sljit_uw array by index     SLJIT_WORD_SHIFT : the shift required to apply when accessing a sljit_w/sljit_uw array by index
37     SLJIT_FLOAT_SHIFT : the shift required to apply when accessing a double array by index     SLJIT_FLOAT_SHIFT : the shift required to apply when accessing a double array by index
    SLJIT_BIG_ENDIAN : big endian architecture  
38     SLJIT_LITTLE_ENDIAN : little endian architecture     SLJIT_LITTLE_ENDIAN : little endian architecture
39     SLJIT_INDIRECT_CALL : see SLJIT_FUNC_OFFSET()     SLJIT_BIG_ENDIAN : big endian architecture
40     SLJIT_W : for defining 64 bit constants on 64 bit architectures (compiler workaround)     SLJIT_UNALIGNED : allows unaligned memory accesses for non-fpu operations (only!)
41     SLJIT_UNALIGNED : allows unaligned memory accesses for integer arithmetic (only!)     SLJIT_INDIRECT_CALL : see SLJIT_FUNC_OFFSET() for more information
42    
43       Types and useful macros:
44       sljit_b, sljit_ub : signed and unsigned 8 bit byte
45       sljit_h, sljit_uh : signed and unsigned 16 bit half-word (short) type
46       sljit_i, sljit_ui : signed and unsigned 32 bit integer type
47       sljit_w, sljit_uw : signed and unsigned machine word, enough to store a pointer (same as intptr_t)
48       SLJIT_CALL : C calling convention define for both calling JIT form C and C callbacks for JIT
49       SLJIT_W(number) : defining 64 bit constants on 64 bit architectures (compiler independent helper)
50  */  */
51    
52  #if !((defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \  #if !((defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) \
# Line 119  Line 123 
123    
124  #if !(defined SLJIT_STD_MACROS_DEFINED && SLJIT_STD_MACROS_DEFINED)  #if !(defined SLJIT_STD_MACROS_DEFINED && SLJIT_STD_MACROS_DEFINED)
125    
126    /* These libraries are needed for the macros below. */
127  #include <stdlib.h>  #include <stdlib.h>
128  #include <string.h>  #include <string.h>
129    
130  /* General libraries:  #endif /* STD_MACROS_DEFINED */
131    
132    /* General macros:
133     Note: SLJIT is designed to be independent from them as possible.     Note: SLJIT is designed to be independent from them as possible.
134    
135     In release mode (SLJIT_DEBUG is not defined) only the following macros are needed: */     In release mode (SLJIT_DEBUG is not defined) only the following macros are needed:
136    */
137    
138  /* General allocation. */  #ifndef SLJIT_MALLOC
139  #define SLJIT_MALLOC(size) malloc(size)  #define SLJIT_MALLOC(size) malloc(size)
140  #define SLJIT_MALLOC_ZEROED(size) calloc((size), 1)  #endif
141    
142    #ifndef SLJIT_FREE
143  #define SLJIT_FREE(ptr) free(ptr)  #define SLJIT_FREE(ptr) free(ptr)
144    #endif
145    
146    #ifndef SLJIT_MEMMOVE
147  #define SLJIT_MEMMOVE(dest, src, len) memmove(dest, src, len)  #define SLJIT_MEMMOVE(dest, src, len) memmove(dest, src, len)
148    #endif
149    
150  #endif /* STD_MACROS_DEFINED */  #ifndef SLJIT_ZEROMEM
151    #define SLJIT_ZEROMEM(dest, len) memset(dest, 0, len)
152    #endif
153    
154  #if !defined(SLJIT_LIKELY) && !defined(SLJIT_UNLIKELY)  #if !defined(SLJIT_LIKELY) && !defined(SLJIT_UNLIKELY)
155    
# Line 178  Line 194 
194    
195  #ifndef SLJIT_CACHE_FLUSH  #ifndef SLJIT_CACHE_FLUSH
196    
197  #if !(defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) && !(defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)  #if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) || (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
198          /* Just call __ARM_NR_cacheflush on Linux. */  
199    /* The __clear_cache() implementation of GCC is a dummy function on PowerPC. */
200  #define SLJIT_CACHE_FLUSH(from, to) \  #define SLJIT_CACHE_FLUSH(from, to) \
201          __clear_cache((char*)(from), (char*)(to))          ppc_cache_flush((from), (to))
202  #else  
203          /* Not required to implement on archs with unified caches. */  #elif (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) || (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
204    
205    /* Not required to implement on archs with unified caches. */
206  #define SLJIT_CACHE_FLUSH(from, to)  #define SLJIT_CACHE_FLUSH(from, to)
207    
208    #else
209    
210    /* Calls __ARM_NR_cacheflush on ARM-Linux. */
211    #define SLJIT_CACHE_FLUSH(from, to) \
212            __clear_cache((char*)(from), (char*)(to))
213    
214  #endif  #endif
215    
216  #endif /* !SLJIT_CACHE_FLUSH */  #endif /* !SLJIT_CACHE_FLUSH */
# Line 332  typedef long int sljit_w; Line 358  typedef long int sljit_w;
358  #endif /* !SLJIT_UNALIGNED */  #endif /* !SLJIT_UNALIGNED */
359    
360  #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)  #if (defined SLJIT_EXECUTABLE_ALLOCATOR && SLJIT_EXECUTABLE_ALLOCATOR)
361  void* sljit_malloc_exec(sljit_uw size);  SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size);
362  void sljit_free_exec(void* ptr);  SLJIT_API_FUNC_ATTRIBUTE void sljit_free_exec(void* ptr);
363  #define SLJIT_MALLOC_EXEC(size) sljit_malloc_exec(size)  #define SLJIT_MALLOC_EXEC(size) sljit_malloc_exec(size)
364  #define SLJIT_FREE_EXEC(ptr) sljit_free_exec(ptr)  #define SLJIT_FREE_EXEC(ptr) sljit_free_exec(ptr)
365  #endif  #endif
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