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Commit 1f477305 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf bpf: Add license(NAME) helper 

To further reduce boilerplate.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-vst6hj335s0ebxzqltes3nsc@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 7542b767

tools/perf/examples/bpf/5sec.c

+1 −2
Original line number Diff line number Diff line
@@ -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);

tools/perf/examples/bpf/empty.c

+1 −2
Original line number Diff line number Diff line 
#include <bpf.h>



char _license[] SEC("license") = "GPL";

int _version SEC("version") = LINUX_VERSION_CODE;
 
license(GPL);

tools/perf/include/bpf/bpf.h

+5 −0
Original line number Diff line number Diff line
@@ -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 */