diff options
Diffstat (limited to 'ext/pcre/pcrelib/sljit/sljitConfigInternal.h')
| -rw-r--r-- | ext/pcre/pcrelib/sljit/sljitConfigInternal.h | 146 |
1 files changed, 79 insertions, 67 deletions
diff --git a/ext/pcre/pcrelib/sljit/sljitConfigInternal.h b/ext/pcre/pcrelib/sljit/sljitConfigInternal.h index 16e3547c93..cc0810fbd7 100644 --- a/ext/pcre/pcrelib/sljit/sljitConfigInternal.h +++ b/ext/pcre/pcrelib/sljit/sljitConfigInternal.h @@ -1,7 +1,7 @@ /* * Stack-less Just-In-Time compiler * - * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. + * Copyright 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: @@ -31,14 +31,14 @@ SLJIT defines the following architecture dependent types and macros: Types: - sljit_sb, sljit_ub : signed and unsigned 8 bit byte - sljit_sh, sljit_uh : signed and unsigned 16 bit half-word (short) type - sljit_si, sljit_ui : 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_s : single precision floating point value - sljit_d : double precision floating point value + 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 @@ -56,10 +56,10 @@ 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_DOUBLE_SHIFT : the shift required to apply when accessing - a double precision floating point array by index - SLJIT_SINGLE_SHIFT : the shift required to apply when accessing - a single precision floating point 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 @@ -187,14 +187,6 @@ /* 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. @@ -210,8 +202,8 @@ #define SLJIT_FREE(ptr, allocator_data) free(ptr) #endif -#ifndef SLJIT_MEMMOVE -#define SLJIT_MEMMOVE(dest, src, len) memmove(dest, src, len) +#ifndef SLJIT_MEMCPY +#define SLJIT_MEMCPY(dest, src, len) memcpy(dest, src, len) #endif #ifndef SLJIT_ZEROMEM @@ -252,11 +244,6 @@ #endif #endif /* !SLJIT_INLINE */ -#ifndef SLJIT_CONST -/* Const variables. */ -#define SLJIT_CONST const -#endif - #ifndef SLJIT_UNUSED_ARG /* Unused arguments. */ #define SLJIT_UNUSED_ARG(arg) (void)arg @@ -284,6 +271,15 @@ /* 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) @@ -300,24 +296,31 @@ #define SLJIT_CACHE_FLUSH(from, to) \ sys_icache_invalidate((char*)(from), (char*)(to) - (char*)(from)) -#elif defined __ANDROID__ +#elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC) -/* Android lacks __clear_cache; instead, cacheflush should be used. */ +/* 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(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) #define SLJIT_CACHE_FLUSH(from, to) \ - cacheflush((long)(from), (long)(to), 0) + __builtin___clear_cache((char*)from, (char*)to) -#elif (defined SLJIT_CONFIG_PPC && SLJIT_CONFIG_PPC) +#elif defined __ANDROID__ + +/* Android lacks __clear_cache; instead, cacheflush should be used. */ -/* The __clear_cache() implementation of GCC is a dummy function on PowerPC. */ #define SLJIT_CACHE_FLUSH(from, to) \ - ppc_cache_flush((from), (to)) + cacheflush((long)(from), (long)(to), 0) #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 @@ -330,20 +333,20 @@ #endif /* !SLJIT_CACHE_FLUSH */ /******************************************************/ -/* Byte/half/int/word/single/double type definitions. */ +/* Integer and floating point type definitions. */ /******************************************************/ /* 8 bit byte type. */ -typedef unsigned char sljit_ub; -typedef signed char sljit_sb; +typedef unsigned char sljit_u8; +typedef signed char sljit_s8; /* 16 bit half-word type. */ -typedef unsigned short int sljit_uh; -typedef signed short int sljit_sh; +typedef unsigned short int sljit_u16; +typedef signed short int sljit_s16; /* 32 bit integer type. */ -typedef unsigned int sljit_ui; -typedef signed int sljit_si; +typedef unsigned int sljit_u32; +typedef signed int sljit_s32; /* Machine word type. Enough for storing a pointer. 32 bit for 32 bit machines. @@ -377,20 +380,22 @@ typedef long int sljit_sw; typedef sljit_uw sljit_p; /* Floating point types. */ -typedef float sljit_s; -typedef double sljit_d; +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_DOUBLE_SHIFT 3 -#define SLJIT_SINGLE_SHIFT 2 +#define SLJIT_F32_SHIFT 2 +#define SLJIT_F64_SHIFT 3 #ifndef SLJIT_W /* Defining long constants. */ -#if (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE) +#if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED) +#define SLJIT_W(w) (w##l) +#elif (defined SLJIT_64BIT_ARCHITECTURE && SLJIT_64BIT_ARCHITECTURE) #define SLJIT_W(w) (w##ll) #else #define SLJIT_W(w) (w) @@ -534,6 +539,14 @@ 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) + +#if (defined SLJIT_PROT_EXECUTABLE_ALLOCATOR && SLJIT_PROT_EXECUTABLE_ALLOCATOR) +SLJIT_API_FUNC_ATTRIBUTE sljit_sw sljit_exec_offset(void* ptr); +#define SLJIT_EXEC_OFFSET(ptr) sljit_exec_offset(ptr) +#else +#define SLJIT_EXEC_OFFSET(ptr) 0 +#endif + #endif /**********************************************/ @@ -542,37 +555,37 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void); #if (defined SLJIT_CONFIG_X86_32 && SLJIT_CONFIG_X86_32) -#define SLJIT_NUMBER_OF_REGISTERS 10 -#define SLJIT_NUMBER_OF_SAVED_REGISTERS 7 +#define SLJIT_NUMBER_OF_REGISTERS 12 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 9 #if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL) -#define SLJIT_LOCALS_OFFSET_BASE ((2 + 4) * sizeof(sljit_sw)) +#define SLJIT_LOCALS_OFFSET_BASE (compiler->locals_offset) #else /* Maximum 3 arguments are passed on the stack, +1 for double alignment. */ -#define SLJIT_LOCALS_OFFSET_BASE ((3 + 1 + 4) * sizeof(sljit_sw)) +#define SLJIT_LOCALS_OFFSET_BASE (compiler->locals_offset) #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_REGISTERS 13 #define SLJIT_NUMBER_OF_SAVED_REGISTERS 6 -#define SLJIT_LOCALS_OFFSET_BASE (sizeof(sljit_sw)) +#define SLJIT_LOCALS_OFFSET_BASE 0 #else -#define SLJIT_NUMBER_OF_REGISTERS 12 +#define SLJIT_NUMBER_OF_REGISTERS 13 #define SLJIT_NUMBER_OF_SAVED_REGISTERS 8 -#define SLJIT_LOCALS_OFFSET_BASE ((4 + 2) * sizeof(sljit_sw)) +#define SLJIT_LOCALS_OFFSET_BASE (compiler->locals_offset) #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_REGISTERS 12 #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_NUMBER_OF_REGISTERS 12 +#define SLJIT_NUMBER_OF_SAVED_REGISTERS 8 #define SLJIT_LOCALS_OFFSET_BASE 0 #elif (defined SLJIT_CONFIG_ARM_64 && SLJIT_CONFIG_ARM_64) @@ -596,7 +609,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void); #elif (defined SLJIT_CONFIG_MIPS && SLJIT_CONFIG_MIPS) -#define SLJIT_NUMBER_OF_REGISTERS 17 +#define SLJIT_NUMBER_OF_REGISTERS 21 #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)) @@ -652,7 +665,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void); #if (defined SLJIT_DEBUG && SLJIT_DEBUG) -#if !defined(SLJIT_ASSERT) || !defined(SLJIT_ASSERT_STOP) +#if !defined(SLJIT_ASSERT) || !defined(SLJIT_UNREACHABLE) /* SLJIT_HALT_PROCESS must halt the process. */ #ifndef SLJIT_HALT_PROCESS @@ -664,7 +677,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void); #include <stdio.h> -#endif /* !SLJIT_ASSERT || !SLJIT_ASSERT_STOP */ +#endif /* !SLJIT_ASSERT || !SLJIT_UNREACHABLE */ /* Feel free to redefine these two macros. */ #ifndef SLJIT_ASSERT @@ -679,34 +692,33 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_free_unused_memory_exec(void); #endif /* !SLJIT_ASSERT */ -#ifndef SLJIT_ASSERT_STOP +#ifndef SLJIT_UNREACHABLE -#define SLJIT_ASSERT_STOP() \ +#define SLJIT_UNREACHABLE() \ do { \ printf("Should never been reached " __FILE__ ":%d\n", __LINE__); \ SLJIT_HALT_PROCESS(); \ } while (0) -#endif /* !SLJIT_ASSERT_STOP */ +#endif /* !SLJIT_UNREACHABLE */ #else /* (defined SLJIT_DEBUG && SLJIT_DEBUG) */ /* Forcing empty, but valid statements. */ #undef SLJIT_ASSERT -#undef SLJIT_ASSERT_STOP +#undef SLJIT_UNREACHABLE #define SLJIT_ASSERT(x) \ do { } while (0) -#define SLJIT_ASSERT_STOP() \ +#define SLJIT_UNREACHABLE() \ 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) + switch(0) { case 0: case ((x) ? 1 : 0): break; } #endif /* !SLJIT_COMPILE_ASSERT */ |