Commit-ID: 941a7658e065e339ebdaf27b9a7702f9935d1d4a Gitweb: https://git.kernel.org/tip/941a7658e065e339ebdaf27b9a7702f9935d1d4a Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Mon, 15 Jul 2019 15:25:41 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Mon, 29 Jul 2019 18:34:40 -0300
perf include bpf: Add bpf_tail_call() prototype Will be used together with BPF_MAP_TYPE_PROG_ARRAY in tools/perf/examples/bpf/augmented_raw_syscalls.c. Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: Jiri Olsa <jo...@kernel.org> Cc: Luis Cláudio Gonçalves <lclau...@redhat.com> Cc: Namhyung Kim <namhy...@kernel.org> Link: https://lkml.kernel.org/n/tip-pd1bpy8i31nta6jqwdex8...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/include/bpf/bpf.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h index 2eac6d804b2d..b422aeef5339 100644 --- a/tools/perf/include/bpf/bpf.h +++ b/tools/perf/include/bpf/bpf.h @@ -45,6 +45,8 @@ struct ____btf_map_##name __attribute__((section(".maps." #name), used)) \ static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem; static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem; +static void (*bpf_tail_call)(void *ctx, void *map, int index) = (void *)BPF_FUNC_tail_call; + #define SEC(NAME) __attribute__((section(NAME), used)) #define probe(function, vars) \
