From: Arnaldo Carvalho de Melo <[email protected]> To further reduce boilerplate.
Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/examples/bpf/5sec.c | 3 +-- tools/perf/examples/bpf/empty.c | 3 +-- tools/perf/include/bpf/bpf.h | 5 +++++ 3 files changed, 7 insertions(+), 4 deletions(-) diff --git a/tools/perf/examples/bpf/5sec.c b/tools/perf/examples/bpf/5sec.c index 3d1ed34aec8b..6fc3697ac749 100644 --- a/tools/perf/examples/bpf/5sec.c +++ b/tools/perf/examples/bpf/5sec.c @@ -40,5 +40,4 @@ int func(void *ctx, int err, long sec) return sec == 5; } -char _license[] SEC("license") = "GPL"; -int _version SEC("version") = LINUX_VERSION_CODE; +license(GPL); diff --git a/tools/perf/examples/bpf/empty.c b/tools/perf/examples/bpf/empty.c index 86f97763355d..3776d26db9e7 100644 --- a/tools/perf/examples/bpf/empty.c +++ b/tools/perf/examples/bpf/empty.c @@ -1,4 +1,3 @@ #include <bpf.h> -char _license[] SEC("license") = "GPL"; -int _version SEC("version") = LINUX_VERSION_CODE; +license(GPL); diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h index 003afcab4e51..cdfd18b9c318 100644 --- a/tools/perf/include/bpf/bpf.h +++ b/tools/perf/include/bpf/bpf.h @@ -2,4 +2,9 @@ #ifndef _PERF_BPF_H #define _PERF_BPF_H #define SEC(NAME) __attribute__((section(NAME), used)) + +#define license(name) \ +char _license[] SEC("license") = #name; \ +int _version SEC("version") = LINUX_VERSION_CODE; + #endif /* _PERF_BPF_H */ -- 2.14.3
