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| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2011-06-27 16:27:39 +0900 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2011-07-15 16:14:19 -0400 |
| commit | ff741783506c340035659a71be68ddb4068760d1 (patch) | |
| tree | 90ccff5203ae54e738ab98d6a73f88fa5bc5a5b1 /tools/perf/util/probe-finder.h | |
| parent | e0d153c69040bb37cbdf09deb52fee3013c07742 (diff) | |
| download | linux-ff741783506c340035659a71be68ddb4068760d1.tar.bz2 | |
perf probe: Introduce debuginfo to encapsulate dwarf information
Introduce debuginfo to encapsulate dwarf information.
This new object allows us to reuse and expand debuginfo easily.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/20110627072739.6528.12438.stgit@fedora15
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools/perf/util/probe-finder.h')
| -rw-r--r-- | tools/perf/util/probe-finder.h | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index 0f1ed3d25a20..c478b42a2473 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -16,23 +16,42 @@ static inline int is_c_varname(const char *name) } #ifdef DWARF_SUPPORT + +#include "dwarf-aux.h" + +/* TODO: export debuginfo data structure even if no dwarf support */ + +/* debug information structure */ +struct debuginfo { + Dwarf *dbg; + Dwfl *dwfl; + Dwarf_Addr bias; +}; + +extern struct debuginfo *debuginfo__new(const char *path); +extern struct debuginfo *debuginfo__new_online_kernel(unsigned long addr); +extern void debuginfo__delete(struct debuginfo *self); + /* Find probe_trace_events specified by perf_probe_event from debuginfo */ -extern int find_probe_trace_events(int fd, struct perf_probe_event *pev, - struct probe_trace_event **tevs, - int max_tevs); +extern int debuginfo__find_trace_events(struct debuginfo *self, + struct perf_probe_event *pev, + struct probe_trace_event **tevs, + int max_tevs); /* Find a perf_probe_point from debuginfo */ -extern int find_perf_probe_point(unsigned long addr, - struct perf_probe_point *ppt); +extern int debuginfo__find_probe_point(struct debuginfo *self, + unsigned long addr, + struct perf_probe_point *ppt); /* Find a line range */ -extern int find_line_range(int fd, struct line_range *lr); +extern int debuginfo__find_line_range(struct debuginfo *self, + struct line_range *lr); /* Find available variables */ -extern int find_available_vars_at(int fd, struct perf_probe_event *pev, - struct variable_list **vls, int max_points, - bool externs); -#include "dwarf-aux.h" +extern int debuginfo__find_available_vars_at(struct debuginfo *self, + struct perf_probe_event *pev, + struct variable_list **vls, + int max_points, bool externs); struct probe_finder { struct perf_probe_event *pev; /* Target probe event */ |