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Commit | Line | Data |
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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 |
0e60836b SD |
19 | /* Find probe_trace_events specified by perf_probe_event from debuginfo */ |
20 | extern int find_probe_trace_events(int fd, struct perf_probe_event *pev, | |
21 | struct probe_trace_event **tevs, | |
ef4a3565 | 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> |
7752f1b0 | 32 | #include <version.h> |
4ea42b18 MH |
33 | |
34 | struct probe_finder { | |
4235b045 | 35 | struct perf_probe_event *pev; /* Target probe event */ |
0e60836b | 36 | struct probe_trace_event *tevs; /* Result trace events */ |
ef4a3565 MH |
37 | int ntevs; /* Number of trace events */ |
38 | int max_tevs; /* Max number of trace events */ | |
4ea42b18 MH |
39 | |
40 | /* For function searching */ | |
eed05fe7 | 41 | int lno; /* Line number */ |
804b3606 | 42 | Dwarf_Addr addr; /* Address */ |
4235b045 | 43 | const char *fname; /* Real file name */ |
804b3606 | 44 | Dwarf_Die cu_die; /* Current CU */ |
4235b045 | 45 | struct list_head lcache; /* Line cache for lazy match */ |
4ea42b18 MH |
46 | |
47 | /* For variable searching */ | |
7752f1b0 | 48 | #if _ELFUTILS_PREREQ(0, 142) |
a34a9854 | 49 | Dwarf_CFI *cfi; /* Call Frame Information */ |
7752f1b0 | 50 | #endif |
804b3606 | 51 | Dwarf_Op *fb_ops; /* Frame base attribute */ |
4235b045 | 52 | struct perf_probe_arg *pvar; /* Current target variable */ |
0e60836b | 53 | struct probe_trace_arg *tvar; /* Current result variable */ |
4ea42b18 | 54 | }; |
631c9def MH |
55 | |
56 | struct line_finder { | |
804b3606 MH |
57 | struct line_range *lr; /* Target line range */ |
58 | ||
59 | const char *fname; /* File name */ | |
60 | int lno_s; /* Start line number */ | |
61 | int lno_e; /* End line number */ | |
804b3606 | 62 | Dwarf_Die cu_die; /* Current CU */ |
631c9def MH |
63 | int found; |
64 | }; | |
65 | ||
4b4da7f7 | 66 | #endif /* DWARF_SUPPORT */ |
4ea42b18 MH |
67 | |
68 | #endif /*_PROBE_FINDER_H */ |