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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 ACM |
5 | #include "util.h" |
6 | ||
27f3b24d MH |
7 | #define MAX_PATH_LEN 256 |
8 | #define MAX_PROBE_BUFFER 1024 | |
9 | #define MAX_PROBES 128 | |
4ea42b18 MH |
10 | |
11 | static inline int is_c_varname(const char *name) | |
12 | { | |
13 | /* TODO */ | |
14 | return isalpha(name[0]) || name[0] == '_'; | |
15 | } | |
16 | ||
17 | struct probe_point { | |
27f3b24d MH |
18 | char *event; /* Event name */ |
19 | char *group; /* Event group */ | |
af663d75 | 20 | |
4ea42b18 | 21 | /* Inputs */ |
27f3b24d MH |
22 | char *file; /* File name */ |
23 | int line; /* Line number */ | |
2a9c8c36 | 24 | char *lazy_line; /* Lazy line pattern */ |
4ea42b18 | 25 | |
27f3b24d MH |
26 | char *function; /* Function name */ |
27 | int offset; /* Offset bytes */ | |
4ea42b18 | 28 | |
27f3b24d MH |
29 | int nr_args; /* Number of arguments */ |
30 | char **args; /* Arguments */ | |
4ea42b18 | 31 | |
27f3b24d | 32 | int retprobe; /* Return probe */ |
253977b0 | 33 | |
4ea42b18 | 34 | /* Output */ |
27f3b24d MH |
35 | int found; /* Number of found probe points */ |
36 | char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/ | |
4ea42b18 MH |
37 | }; |
38 | ||
631c9def MH |
39 | /* Line number container */ |
40 | struct line_node { | |
41 | struct list_head list; | |
42 | unsigned int line; | |
43 | }; | |
44 | ||
45 | /* Line range */ | |
46 | struct line_range { | |
47 | char *file; /* File name */ | |
48 | char *function; /* Function name */ | |
49 | unsigned int start; /* Start line number */ | |
50 | unsigned int end; /* End line number */ | |
804b3606 | 51 | int offset; /* Start line offset */ |
631c9def MH |
52 | char *path; /* Real path name */ |
53 | struct list_head line_list; /* Visible lines */ | |
54 | }; | |
55 | ||
804b3606 | 56 | #ifndef NO_DWARF_SUPPORT |
81cb8aa3 | 57 | extern int find_probe_point(int fd, struct probe_point *pp); |
631c9def | 58 | extern int find_line_range(int fd, struct line_range *lr); |
4ea42b18 | 59 | |
27f3b24d | 60 | #include <dwarf.h> |
804b3606 | 61 | #include <libdw.h> |
4ea42b18 MH |
62 | |
63 | struct probe_finder { | |
804b3606 | 64 | struct probe_point *pp; /* Target probe point */ |
4ea42b18 MH |
65 | |
66 | /* For function searching */ | |
804b3606 MH |
67 | Dwarf_Addr addr; /* Address */ |
68 | const char *fname; /* File name */ | |
69 | int lno; /* Line number */ | |
804b3606 | 70 | Dwarf_Die cu_die; /* Current CU */ |
4ea42b18 MH |
71 | |
72 | /* For variable searching */ | |
804b3606 | 73 | Dwarf_Op *fb_ops; /* Frame base attribute */ |
804b3606 MH |
74 | const char *var; /* Current variable name */ |
75 | char *buf; /* Current output buffer */ | |
76 | int len; /* Length of output buffer */ | |
2a9c8c36 | 77 | struct list_head lcache; /* Line cache for lazy match */ |
4ea42b18 | 78 | }; |
631c9def MH |
79 | |
80 | struct line_finder { | |
804b3606 MH |
81 | struct line_range *lr; /* Target line range */ |
82 | ||
83 | const char *fname; /* File name */ | |
84 | int lno_s; /* Start line number */ | |
85 | int lno_e; /* End line number */ | |
804b3606 | 86 | Dwarf_Die cu_die; /* Current CU */ |
631c9def MH |
87 | int found; |
88 | }; | |
89 | ||
804b3606 | 90 | #endif /* NO_DWARF_SUPPORT */ |
4ea42b18 MH |
91 | |
92 | #endif /*_PROBE_FINDER_H */ |