From 1f477305ab462e2fd1fa8a4c4fa425ad752b3175 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 4 May 2018 15:18:31 -0300 Subject: [PATCH] perf bpf: Add license(NAME) helper To further reduce boilerplate. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-vst6hj335s0ebxzqltes3nsc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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 -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 */ -- 2.11.0