php-src/ext/opcache/Optimizer/zend_call_graph.h
2017-03-16 12:33:57 +01:00

87 lines
3.3 KiB
C

/*
+----------------------------------------------------------------------+
| Zend Engine, Call Graph |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2017 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: |
| http://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@zend.com> |
+----------------------------------------------------------------------+
*/
#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;
typedef struct _zend_recv_arg_info {
int ssa_var;
zend_ssa_var_info info;
} zend_recv_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;
zend_func_info *clone;
int recursive;
int num_args;
zend_send_arg_info arg_info[1];
};
struct _zend_func_info {
int num;
uint32_t flags;
zend_ssa ssa; /* Static Single Assignmnt 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 */
int num_args; /* (-1 - unknown) */
zend_recv_arg_info *arg_info;
zend_ssa_var_info return_info;
zend_func_info *clone;
int clone_num;
int return_value_used; /* -1 unknown, 0 no, 1 yes */
void *codegen_data;
};
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()
int zend_build_call_graph(zend_arena **arena, zend_script *script, uint32_t build_flags, zend_call_graph *call_graph);
zend_call_info **zend_build_call_map(zend_arena **arena, zend_func_info *info, zend_op_array *op_array);
int 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 */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/