The newly added dwarf unwinding feature [1] requires: . a recent version (>= 1.1) of libunwind, . libunwind to be configured with --enable-debug-frame.

[1] http://www.spinics.net/lists/kernel/msg1598951.html

Add the corresponding API test in the feature check list.

Signed-off-by: Jean Pihet jean.pihet@linaro.org --- tools/perf/config/feature-tests.mak | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index 708fb8e..87124d0 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -176,14 +176,23 @@ extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as, unw_proc_info_t *pi, int need_unwind_info, void *arg);

- #define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table)

+extern int +UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug, + unw_word_t ip, + unw_word_t segbase, + const char *obj_name, unw_word_t start, + unw_word_t end); + +#define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame) + int main(void) { unw_addr_space_t addr_space; addr_space = unw_create_addr_space(NULL, 0); unw_init_remote(NULL, addr_space, NULL); + dwarf_find_debug_frame(0, NULL, 0, 0, NULL, 0, 0); dwarf_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL); return 0; }