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-rw-r--r--tools/perf/util/probe-finder.h67
1 files changed, 20 insertions, 47 deletions
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
index 21f7354397b4..66f1980e3855 100644
--- a/tools/perf/util/probe-finder.h
+++ b/tools/perf/util/probe-finder.h
@@ -3,6 +3,7 @@
3 3
4#include <stdbool.h> 4#include <stdbool.h>
5#include "util.h" 5#include "util.h"
6#include "probe-event.h"
6 7
7#define MAX_PATH_LEN 256 8#define MAX_PATH_LEN 256
8#define MAX_PROBE_BUFFER 1024 9#define MAX_PROBE_BUFFER 1024
@@ -14,67 +15,39 @@ static inline int is_c_varname(const char *name)
14 return isalpha(name[0]) || name[0] == '_'; 15 return isalpha(name[0]) || name[0] == '_';
15} 16}
16 17
17struct probe_point { 18#ifdef DWARF_SUPPORT
18 char *event; /* Event name */ 19/* Find kprobe_trace_events specified by perf_probe_event from debuginfo */
19 char *group; /* Event group */ 20extern int find_kprobe_trace_events(int fd, struct perf_probe_event *pev,
21 struct kprobe_trace_event **tevs,
22 int max_tevs);
20 23
21 /* Inputs */ 24/* Find a perf_probe_point from debuginfo */
22 char *file; /* File name */ 25extern int find_perf_probe_point(int fd, unsigned long addr,
23 int line; /* Line number */ 26 struct perf_probe_point *ppt);
24 char *lazy_line; /* Lazy line pattern */
25 27
26 char *function; /* Function name */
27 int offset; /* Offset bytes */
28
29 int nr_args; /* Number of arguments */
30 char **args; /* Arguments */
31
32 int retprobe; /* Return probe */
33
34 /* Output */
35 int found; /* Number of found probe points */
36 char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/
37};
38
39/* Line number container */
40struct line_node {
41 struct list_head list;
42 unsigned int line;
43};
44
45/* Line range */
46struct 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 */
51 int offset; /* Start line offset */
52 char *path; /* Real path name */
53 struct list_head line_list; /* Visible lines */
54};
55
56#ifndef NO_DWARF_SUPPORT
57extern int find_probe_point(int fd, struct probe_point *pp);
58extern int find_line_range(int fd, struct line_range *lr); 28extern int find_line_range(int fd, struct line_range *lr);
59 29
60#include <dwarf.h> 30#include <dwarf.h>
61#include <libdw.h> 31#include <libdw.h>
62 32
63struct probe_finder { 33struct probe_finder {
64 struct probe_point *pp; /* Target probe point */ 34 struct perf_probe_event *pev; /* Target probe event */
35 struct kprobe_trace_event *tevs; /* Result trace events */
36 int ntevs; /* Number of trace events */
37 int max_tevs; /* Max number of trace events */
65 38
66 /* For function searching */ 39 /* For function searching */
67 Dwarf_Addr addr; /* Address */
68 const char *fname; /* File name */
69 int lno; /* Line number */ 40 int lno; /* Line number */
41 Dwarf_Addr addr; /* Address */
42 const char *fname; /* Real file name */
70 Dwarf_Die cu_die; /* Current CU */ 43 Dwarf_Die cu_die; /* Current CU */
44 struct list_head lcache; /* Line cache for lazy match */
71 45
72 /* For variable searching */ 46 /* For variable searching */
47 Dwarf_CFI *cfi; /* Call Frame Information */
73 Dwarf_Op *fb_ops; /* Frame base attribute */ 48 Dwarf_Op *fb_ops; /* Frame base attribute */
74 const char *var; /* Current variable name */ 49 struct perf_probe_arg *pvar; /* Current target variable */
75 char *buf; /* Current output buffer */ 50 struct kprobe_trace_arg *tvar; /* Current result variable */
76 int len; /* Length of output buffer */
77 struct list_head lcache; /* Line cache for lazy match */
78}; 51};
79 52
80struct line_finder { 53struct line_finder {
@@ -87,6 +60,6 @@ struct line_finder {
87 int found; 60 int found;
88}; 61};
89 62
90#endif /* NO_DWARF_SUPPORT */ 63#endif /* DWARF_SUPPORT */
91 64
92#endif /*_PROBE_FINDER_H */ 65#endif /*_PROBE_FINDER_H */