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authorAlexei Starovoitov <ast@fb.com>2016-04-07 04:43:27 +0300
committerDavid S. Miller <davem@davemloft.net>2016-04-08 04:04:26 +0300
commit9940d67c93b5bb7ddcf862b41b1847cb728186c4 (patch)
treee5b9a36df5bc8bde9b7435cda796d2cefe686e45 /include/linux/bpf.h
parent9fd82b610ba3351f05a59c3e9117cfefe82f7751 (diff)
downloadlinux-9940d67c93b5bb7ddcf862b41b1847cb728186c4.tar.xz
bpf: support bpf_get_stackid() and bpf_perf_event_output() in tracepoint programs
needs two wrapper functions to fetch 'struct pt_regs *' to convert tracepoint bpf context into kprobe bpf context to reuse existing helper functions Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 21ee41b92e8a..198f6ace70ec 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -160,6 +160,7 @@ struct bpf_array {
#define MAX_TAIL_CALL_CNT 32
u64 bpf_tail_call(u64 ctx, u64 r2, u64 index, u64 r4, u64 r5);
+u64 bpf_get_stackid(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
void bpf_fd_array_map_clear(struct bpf_map *map);
bool bpf_prog_array_compatible(struct bpf_array *array, const struct bpf_prog *fp);
const struct bpf_func_proto *bpf_get_trace_printk_proto(void);