1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine, Call Graph | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1998-2018 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_CALL_GRAPH_H 20 #define ZEND_CALL_GRAPH_H 21 22 #include "zend_ssa.h" 23 #include "zend_func_info.h" 24 #include "zend_optimizer.h" 25 26 typedef struct _zend_send_arg_info { 27 zend_op *opline; 28 } zend_send_arg_info; 29 30 typedef struct _zend_recv_arg_info { 31 int ssa_var; 32 zend_ssa_var_info info; 33 } zend_recv_arg_info; 34 35 struct _zend_call_info { 36 zend_op_array *caller_op_array; 37 zend_op *caller_init_opline; 38 zend_op *caller_call_opline; 39 zend_function *callee_func; 40 zend_call_info *next_caller; 41 zend_call_info *next_callee; 42 zend_func_info *clone; 43 int recursive; 44 int num_args; 45 zend_send_arg_info arg_info[1]; 46 }; 47 48 struct _zend_func_info { 49 int num; 50 uint32_t flags; 51 zend_ssa ssa; /* Static Single Assignmnt Form */ 52 zend_call_info *caller_info; /* where this function is called from */ 53 zend_call_info *callee_info; /* which functions are called from this one */ 54 zend_call_info **call_map; /* Call info associated with init/call/send opnum */ 55 int num_args; /* (-1 - unknown) */ 56 zend_recv_arg_info *arg_info; 57 zend_ssa_var_info return_info; 58 zend_func_info *clone; 59 int clone_num; 60 int return_value_used; /* -1 unknown, 0 no, 1 yes */ 61 void *codegen_data; 62 }; 63 64 typedef struct _zend_call_graph { 65 int op_arrays_count; 66 zend_op_array **op_arrays; 67 zend_func_info *func_infos; 68 } zend_call_graph; 69 70 BEGIN_EXTERN_C() 71 72 int zend_build_call_graph(zend_arena **arena, zend_script *script, uint32_t build_flags, zend_call_graph *call_graph); 73 zend_call_info **zend_build_call_map(zend_arena **arena, zend_func_info *info, zend_op_array *op_array); 74 int zend_analyze_calls(zend_arena **arena, zend_script *script, uint32_t build_flags, zend_op_array *op_array, zend_func_info *func_info); 75 76 END_EXTERN_C() 77 78 #endif /* ZEND_CALL_GRAPH_H */ 79 80 /* 81 * Local variables: 82 * tab-width: 4 83 * c-basic-offset: 4 84 * indent-tabs-mode: t 85 * End: 86 */ 87