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#ifndef _PROBE_FINDER_H
#define _PROBE_FINDER_H
#include <stdbool.h>
#include "util.h"
#include "probe-event.h"
#define MAX_PATH_LEN 256
#define MAX_PROBE_BUFFER 1024
#define MAX_PROBES 128
static inline int is_c_varname(const char *name)
{
/* TODO */
return isalpha(name[0]) || name[0] == '_';
}
#ifndef NO_DWARF_SUPPORT
/* Find kprobe_trace_events specified by perf_probe_event from debuginfo */
extern int find_kprobe_trace_events(int fd, struct perf_probe_event *pev,
struct kprobe_trace_event **tevs);
extern int find_line_range(int fd, struct line_range *lr);
#include <dwarf.h>
#include <libdw.h>
struct probe_finder {
struct perf_probe_event *pev; /* Target probe event */
int ntevs; /* number of trace events */
struct kprobe_trace_event *tevs; /* Result trace events */
/* For function searching */
Dwarf_Addr addr; /* Address */
const char *fname; /* Real file name */
int lno; /* Line number */
Dwarf_Die cu_die; /* Current CU */
struct list_head lcache; /* Line cache for lazy match */
/* For variable searching */
Dwarf_Op *fb_ops; /* Frame base attribute */
struct perf_probe_arg *pvar; /* Current target variable */
struct kprobe_trace_arg *tvar; /* Current result variable */
};
struct line_finder {
struct line_range *lr; /* Target line range */
const char *fname; /* File name */
int lno_s; /* Start line number */
int lno_e; /* End line number */
Dwarf_Die cu_die; /* Current CU */
int found;
};
#endif /* NO_DWARF_SUPPORT */
#endif /*_PROBE_FINDER_H */
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