1 /*
2    +----------------------------------------------------------------------+
3    | Zend Engine, Func Info                                               |
4    +----------------------------------------------------------------------+
5    | Copyright (c) The PHP Group                                          |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Dmitry Stogov <dmitry@php.net>                              |
16    +----------------------------------------------------------------------+
17 */
18 
19 #ifndef ZEND_FUNC_INFO_H
20 #define ZEND_FUNC_INFO_H
21 
22 #include "zend_ssa.h"
23 
24 /* func/cfg flags */
25 #define ZEND_FUNC_INDIRECT_VAR_ACCESS      (1<<0)  /* accesses variables by name  */
26 #define ZEND_FUNC_HAS_CALLS                (1<<1)
27 #define ZEND_FUNC_VARARG                   (1<<2)  /* uses func_get_args()        */
28 #define ZEND_FUNC_NO_LOOPS                 (1<<3)
29 #define ZEND_FUNC_IRREDUCIBLE              (1<<4)
30 #define ZEND_FUNC_FREE_LOOP_VAR            (1<<5)
31 #define ZEND_FUNC_RECURSIVE                (1<<7)
32 #define ZEND_FUNC_RECURSIVE_DIRECTLY       (1<<8)
33 #define ZEND_FUNC_RECURSIVE_INDIRECTLY     (1<<9)
34 #define ZEND_FUNC_HAS_EXTENDED_FCALL       (1<<10)
35 #define ZEND_FUNC_HAS_EXTENDED_STMT        (1<<11)
36 #define ZEND_SSA_TSSA                      (1<<12) /* used by tracing JIT */
37 
38 #define ZEND_FUNC_JIT_ON_FIRST_EXEC        (1<<13) /* used by JIT */
39 #define ZEND_FUNC_JIT_ON_PROF_REQUEST      (1<<14) /* used by JIT */
40 #define ZEND_FUNC_JIT_ON_HOT_COUNTERS      (1<<15) /* used by JIT */
41 #define ZEND_FUNC_JIT_ON_HOT_TRACE         (1<<16) /* used by JIT */
42 
43 
44 typedef struct _zend_func_info zend_func_info;
45 typedef struct _zend_call_info zend_call_info;
46 
47 #define ZEND_FUNC_INFO(op_array) \
48 	((zend_func_info*)((op_array)->reserved[zend_func_info_rid]))
49 
50 #define ZEND_SET_FUNC_INFO(op_array, info) do { \
51 		zend_func_info** pinfo = (zend_func_info**)&(op_array)->reserved[zend_func_info_rid]; \
52 		*pinfo = info; \
53 	} while (0)
54 
55 BEGIN_EXTERN_C()
56 
57 extern int zend_func_info_rid;
58 
59 uint32_t zend_get_func_info(
60 	const zend_call_info *call_info, const zend_ssa *ssa,
61 	zend_class_entry **ce, zend_bool *ce_is_instanceof);
62 
63 int zend_func_info_startup(void);
64 int zend_func_info_shutdown(void);
65 
66 END_EXTERN_C()
67 
68 #endif /* ZEND_FUNC_INFO_H */
69