diff options
| author | Jiri Olsa <jolsa@redhat.com> | 2014-01-07 13:47:28 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-02-18 09:34:48 -0300 |
| commit | 9ff125d132001c02d32a193a9423be0690526e11 (patch) | |
| tree | 608fc071ded7d3b182df10641d2316ed0d9c5044 /tools/perf/util/unwind.h | |
| parent | ea3da69df959dfa1c807586c061bfcc4ec7e5e17 (diff) | |
perf callchain: Introduce HAVE_DWARF_UNWIND_SUPPORT macro
Introducing global macro HAVE_DWARF_UNWIND_SUPPORT to indicate we have
dwarf unwind support. Any library providing the dwarf post unwind
support will enable this macro.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Jean Pihet <jean.pihet@linaro.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1389098853-14466-12-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/unwind.h')
| -rw-r--r-- | tools/perf/util/unwind.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h index 18f33b475c4..b031316f221 100644 --- a/tools/perf/util/unwind.h +++ b/tools/perf/util/unwind.h @@ -13,12 +13,15 @@ struct unwind_entry { typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg); -#ifdef HAVE_LIBUNWIND_SUPPORT +#ifdef HAVE_DWARF_UNWIND_SUPPORT int unwind__get_entries(unwind_entry_cb_t cb, void *arg, struct machine *machine, struct thread *thread, struct perf_sample *data, int max_stack); +/* libunwind specific */ +#ifdef HAVE_LIBUNWIND_SUPPORT int libunwind__arch_reg_id(int regnum); +#endif #else static inline int unwind__get_entries(unwind_entry_cb_t cb __maybe_unused, @@ -30,5 +33,5 @@ unwind__get_entries(unwind_entry_cb_t cb __maybe_unused, { return 0; } -#endif /* HAVE_LIBUNWIND_SUPPORT */ +#endif /* HAVE_DWARF_UNWIND_SUPPORT */ #endif /* __UNWIND_H */ |