Commit | Line | Data |
---|---|---|
4ea42b18 MH |
1 | #ifndef _PROBE_FINDER_H |
2 | #define _PROBE_FINDER_H | |
3 | ||
804b3606 | 4 | #include <stdbool.h> |
4a58e611 | 5 | #include "util.h" |
4235b045 | 6 | #include "probe-event.h" |
4a58e611 | 7 | |
27f3b24d MH |
8 | #define MAX_PATH_LEN 256 |
9 | #define MAX_PROBE_BUFFER 1024 | |
10 | #define MAX_PROBES 128 | |
4ea42b18 MH |
11 | |
12 | static inline int is_c_varname(const char *name) | |
13 | { | |
14 | /* TODO */ | |
15 | return isalpha(name[0]) || name[0] == '_'; | |
16 | } | |
17 | ||
4b4da7f7 | 18 | #ifdef DWARF_SUPPORT |
4235b045 MH |
19 | /* Find kprobe_trace_events specified by perf_probe_event from debuginfo */ |
20 | extern int find_kprobe_trace_events(int fd, struct perf_probe_event *pev, | |
ef4a3565 MH |
21 | struct kprobe_trace_event **tevs, |
22 | int max_tevs); | |
4235b045 | 23 | |
fb1587d8 MH |
24 | /* Find a perf_probe_point from debuginfo */ |
25 | extern int find_perf_probe_point(int fd, unsigned long addr, | |
26 | struct perf_probe_point *ppt); | |
27 | ||
631c9def | 28 | extern int find_line_range(int fd, struct line_range *lr); |
4ea42b18 | 29 | |
27f3b24d | 30 | #include <dwarf.h> |
804b3606 | 31 | #include <libdw.h> |
4ea42b18 MH |
32 | |
33 | struct probe_finder { | |
4235b045 | 34 | struct perf_probe_event *pev; /* Target probe event */ |
4235b045 | 35 | struct kprobe_trace_event *tevs; /* Result trace events */ |
ef4a3565 MH |
36 | int ntevs; /* Number of trace events */ |
37 | int max_tevs; /* Max number of trace events */ | |
4ea42b18 MH |
38 | |
39 | /* For function searching */ | |
eed05fe7 | 40 | int lno; /* Line number */ |
804b3606 | 41 | Dwarf_Addr addr; /* Address */ |
4235b045 | 42 | const char *fname; /* Real file name */ |
804b3606 | 43 | Dwarf_Die cu_die; /* Current CU */ |
4235b045 | 44 | struct list_head lcache; /* Line cache for lazy match */ |
4ea42b18 MH |
45 | |
46 | /* For variable searching */ | |
a34a9854 | 47 | Dwarf_CFI *cfi; /* Call Frame Information */ |
804b3606 | 48 | Dwarf_Op *fb_ops; /* Frame base attribute */ |
4235b045 MH |
49 | struct perf_probe_arg *pvar; /* Current target variable */ |
50 | struct kprobe_trace_arg *tvar; /* Current result variable */ | |
4ea42b18 | 51 | }; |
631c9def MH |
52 | |
53 | struct line_finder { | |
804b3606 MH |
54 | struct line_range *lr; /* Target line range */ |
55 | ||
56 | const char *fname; /* File name */ | |
57 | int lno_s; /* Start line number */ | |
58 | int lno_e; /* End line number */ | |
804b3606 | 59 | Dwarf_Die cu_die; /* Current CU */ |
631c9def MH |
60 | int found; |
61 | }; | |
62 | ||
4b4da7f7 | 63 | #endif /* DWARF_SUPPORT */ |
4ea42b18 MH |
64 | |
65 | #endif /*_PROBE_FINDER_H */ |