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/*
+----------------------------------------------------------------------+
| Zend Engine, Call Graph |
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Dmitry Stogov <dmitry@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_CALL_GRAPH_H
#define ZEND_CALL_GRAPH_H
#include "zend_ssa.h"
#include "zend_func_info.h"
#include "zend_optimizer.h"
typedef struct _zend_send_arg_info {
zend_op *opline;
} zend_send_arg_info;
struct _zend_call_info {
zend_op_array *caller_op_array;
zend_op *caller_init_opline;
zend_op *caller_call_opline;
zend_function *callee_func;
zend_call_info *next_caller;
zend_call_info *next_callee;
bool recursive;
bool send_unpack; /* Parameters passed by SEND_UNPACK or SEND_ARRAY */
bool named_args; /* Function has named arguments */
bool is_prototype; /* An overridden child method may be called */
bool is_frameless; /* A frameless function sends arguments through operands */
int num_args; /* Number of arguments, excluding named and variadic arguments */
zend_send_arg_info arg_info[1];
};
struct _zend_func_info {
int num;
uint32_t flags;
zend_ssa ssa; /* Static Single Assignment Form */
zend_call_info *caller_info; /* where this function is called from */
zend_call_info *callee_info; /* which functions are called from this one */
zend_call_info **call_map; /* Call info associated with init/call/send opnum */
zend_ssa_var_info return_info;
};
typedef struct _zend_call_graph {
int op_arrays_count;
zend_op_array **op_arrays;
zend_func_info *func_infos;
} zend_call_graph;
BEGIN_EXTERN_C()
ZEND_API void zend_build_call_graph(zend_arena **arena, zend_script *script, zend_call_graph *call_graph);
ZEND_API void zend_analyze_call_graph(zend_arena **arena, zend_script *script, zend_call_graph *call_graph);
ZEND_API zend_call_info **zend_build_call_map(zend_arena **arena, zend_func_info *info, const zend_op_array *op_array);
ZEND_API void zend_analyze_calls(zend_arena **arena, zend_script *script, uint32_t build_flags, zend_op_array *op_array, zend_func_info *func_info);
END_EXTERN_C()
#endif /* ZEND_CALL_GRAPH_H */