1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) Zend Technologies Ltd. (http://www.zend.com) | 6 +----------------------------------------------------------------------+ 7 | This source file is subject to version 2.00 of the Zend license, | 8 | that is bundled with this package in the file LICENSE, and is | 9 | available through the world-wide-web at the following url: | 10 | http://www.zend.com/license/2_00.txt. | 11 | If you did not receive a copy of the Zend license and are unable to | 12 | obtain it through the world-wide-web, please send a note to | 13 | license@zend.com so we can mail you a copy immediately. | 14 +----------------------------------------------------------------------+ 15 | Authors: Dmitry Stogov <dmitry@php.net> | 16 +----------------------------------------------------------------------+ 17 */ 18 19 #ifndef ZEND_MAP_PTR_H 20 #define ZEND_MAP_PTR_H 21 22 #include "zend_portability.h" 23 24 #define ZEND_MAP_PTR_KIND_PTR 0 25 #define ZEND_MAP_PTR_KIND_PTR_OR_OFFSET 1 26 27 //#if defined(ZTS) || defined(TSRM_WIN32) 28 # define ZEND_MAP_PTR_KIND ZEND_MAP_PTR_KIND_PTR_OR_OFFSET 29 //#else 30 //# define ZEND_MAP_PTR_KIND ZEND_MAP_PTR_KIND_PTR 31 //#endif 32 33 #define ZEND_MAP_PTR(ptr) \ 34 ptr ## __ptr 35 #define ZEND_MAP_PTR_DEF(type, name) \ 36 type * ZEND_MAP_PTR(name) 37 #define ZEND_MAP_PTR_OFFSET2PTR(offset) \ 38 ((void**)((char*)CG(map_ptr_base) + offset)) 39 #define ZEND_MAP_PTR_PTR2OFFSET(ptr) \ 40 ((void*)(((char*)(ptr)) - ((char*)CG(map_ptr_base)))) 41 #define ZEND_MAP_PTR_INIT(ptr, val) do { \ 42 ZEND_MAP_PTR(ptr) = (val); \ 43 } while (0) 44 #define ZEND_MAP_PTR_NEW(ptr) do { \ 45 ZEND_MAP_PTR(ptr) = zend_map_ptr_new(); \ 46 } while (0) 47 48 #if ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR 49 # define ZEND_MAP_PTR_NEW_OFFSET() \ 50 ((uint32_t)(uintptr_t)ZEND_MAP_PTR_PTR2OFFSET(zend_map_ptr_new())) 51 # define ZEND_MAP_PTR_GET(ptr) \ 52 (*(ZEND_MAP_PTR(ptr))) 53 # define ZEND_MAP_PTR_GET_IMM(ptr) \ 54 ZEND_MAP_PTR_GET(ptr) 55 # define ZEND_MAP_PTR_SET(ptr, val) do { \ 56 (*(ZEND_MAP_PTR(ptr))) = (val); \ 57 } while (0) 58 # define ZEND_MAP_PTR_SET_IMM(ptr, val) \ 59 ZEND_MAP_PTR_SET(ptr, val) 60 # define ZEND_MAP_PTR_BIASED_BASE(real_base) \ 61 (real_base) 62 #elif ZEND_MAP_PTR_KIND == ZEND_MAP_PTR_KIND_PTR_OR_OFFSET 63 # define ZEND_MAP_PTR_NEW_OFFSET() \ 64 ((uint32_t)(uintptr_t)zend_map_ptr_new()) 65 # define ZEND_MAP_PTR_IS_OFFSET(ptr) \ 66 (((uintptr_t)ZEND_MAP_PTR(ptr)) & 1L) 67 # define ZEND_MAP_PTR_GET(ptr) \ 68 (*(ZEND_MAP_PTR_IS_OFFSET(ptr) ? \ 69 ZEND_MAP_PTR_OFFSET2PTR((uintptr_t)ZEND_MAP_PTR(ptr)) : \ 70 ((void**)(ZEND_MAP_PTR(ptr))))) 71 # define ZEND_MAP_PTR_GET_IMM(ptr) \ 72 (*ZEND_MAP_PTR_OFFSET2PTR((uintptr_t)ZEND_MAP_PTR(ptr))) 73 # define ZEND_MAP_PTR_SET(ptr, val) do { \ 74 void **__p = (void**)(ZEND_MAP_PTR(ptr)); \ 75 if (ZEND_MAP_PTR_IS_OFFSET(ptr)) { \ 76 __p = ZEND_MAP_PTR_OFFSET2PTR((uintptr_t)ZEND_MAP_PTR(ptr)); \ 77 } \ 78 *__p = (val); \ 79 } while (0) 80 # define ZEND_MAP_PTR_SET_IMM(ptr, val) do { \ 81 void **__p = ZEND_MAP_PTR_OFFSET2PTR((uintptr_t)ZEND_MAP_PTR(ptr)); \ 82 *__p = (val); \ 83 } while (0) 84 # define ZEND_MAP_PTR_BIASED_BASE(real_base) \ 85 ((void*)(((uintptr_t)(real_base)) - 1)) 86 #else 87 # error "Unknown ZEND_MAP_PTR_KIND" 88 #endif 89 90 ZEND_API void zend_map_ptr_reset(void); 91 ZEND_API void *zend_map_ptr_new(void); 92 ZEND_API void zend_map_ptr_extend(size_t last); 93 ZEND_API void zend_alloc_ce_cache(zend_string *type_name); 94 95 #endif /* ZEND_MAP_PTR_H */ 96
