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/*
* Script binding for function entry and exit
*
* Copyright (C) 2017, LG Electronics, Honggyu Kim <hong.gyu.kim@lge.com>
*
* Released under the GPL v2.
*/
#ifndef UFTRACE_SCRIPT_H
#define UFTRACE_SCRIPT_H
#include "libmcount/mcount.h"
#include "utils/script-luajit.h"
#include "utils/script-python.h"
#include "utils/utils.h"
#define SCRIPT_ENABLED (SCRIPT_LUAJIT_ENABLED || SCRIPT_PYTHON_ENABLED)
/* script type */
enum script_type_t {
SCRIPT_UNKNOWN = 0,
SCRIPT_PYTHON,
SCRIPT_LUAJIT,
SCRIPT_TESTING,
SCRIPT_TYPE_COUNT
};
/* informantion passed during initialization */
struct script_info {
char *name;
char *version;
bool record;
struct strv cmds;
};
/* context information passed to script */
struct script_context {
int tid;
int depth;
uint64_t timestamp;
uint64_t duration; /* exit only */
unsigned long address;
char *name;
/* for arguments and return value */
int arglen;
void *argbuf;
struct list_head *argspec;
};
union script_arg_val {
char c;
short s;
int i;
long l;
long long L;
float f;
double d;
long double D;
unsigned char v[16];
};
extern char *script_str;
typedef int (*script_uftrace_entry_t)(struct script_context *sc_ctx);
typedef int (*script_uftrace_exit_t)(struct script_context *sc_ctx);
typedef int (*script_uftrace_event_t)(struct script_context *sc_ctx);
typedef int (*script_uftrace_end_t)(void);
typedef int (*script_atfork_prepare_t)(void);
/* The below functions are used both in record time and script command. */
extern script_uftrace_entry_t script_uftrace_entry;
extern script_uftrace_exit_t script_uftrace_exit;
extern script_uftrace_event_t script_uftrace_event;
extern script_uftrace_end_t script_uftrace_end;
extern script_atfork_prepare_t script_atfork_prepare;
int script_init(struct script_info *info, enum uftrace_pattern_type ptype);
void script_finish(void);
void script_add_filter(char *func, enum uftrace_pattern_type ptype);
int script_match_filter(char *func);
void script_finish_filter(void);
enum script_type_t get_script_type(const char *str);
#endif /* UFTRACE_SCRIPT_H */
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