diff options
| author | Ingo Molnar <mingo@kernel.org> | 2013-09-30 14:45:44 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 08:48:39 +0200 |
| commit | 058f952de9b3075cd888dc3cea60691db0ec4d3f (patch) | |
| tree | fa3c6c60ad36cd206dc1cfac62e1da75abfc211f /tools/perf/config/feature-checks | |
| parent | 308e1e700a1337b89c7530a4f4cdde5ccb52fb4e (diff) | |
tools/perf/build: Split out feature check: 'libunwind'
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-vTiatsVyva3tfgh3vhxaidxl@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/config/feature-checks')
| -rw-r--r-- | tools/perf/config/feature-checks/Makefile | 4 | ||||
| -rw-r--r-- | tools/perf/config/feature-checks/test-libunwind.c | 20 |
2 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 83b3a02b64d..d6d9570a038 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -11,6 +11,7 @@ FILES= \ test-dwarf \ test-libelf-mmap \ test-libelf-getphdrnum \ + test-libunwind \ test-libnuma CC := $(CC) -MD @@ -57,6 +58,9 @@ test-libelf-getphdrnum: test-libnuma: $(BUILD) -lnuma +test-libunwind: + $(BUILD) -lunwind -lunwind-x86_64 -lelf + -include *.d */*.d ############################### diff --git a/tools/perf/config/feature-checks/test-libunwind.c b/tools/perf/config/feature-checks/test-libunwind.c new file mode 100644 index 00000000000..562274695c7 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libunwind.c @@ -0,0 +1,20 @@ +#include <libunwind.h> +#include <stdlib.h> + +extern int UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as, + unw_word_t ip, + unw_dyn_info_t *di, + unw_proc_info_t *pi, + int need_unwind_info, void *arg); + + +#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table) + +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_search_unwind_table(addr_space, 0, NULL, NULL, 0, NULL); + return 0; +} |