From 30388a7afd8ad8b237ff44f58cad6db3ec03edc6 Mon Sep 17 00:00:00 2001
From: Yonghong Song <yhs@fb.com>
Date: Mon, 4 Feb 2019 14:39:30 -0800
Subject: [PATCH] add BPF_EMIT_CALL macro for libbpf_probes.c

libbpf_probes.c accessed BPF_EMIT_CALL. Added the
definition in include/linux/filter.h.

Signed-off-by: Yonghong Song <yhs@fb.com>
---
 include/linux/filter.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index ef128f0..d9a7504 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -21,4 +21,12 @@
 		.off   = 0,					\
 		.imm   = 0 })
 
+#define BPF_EMIT_CALL(FUNC)					\
+	((struct bpf_insn) {					\
+		.code  = BPF_JMP | BPF_CALL,			\
+		.dst_reg = 0,					\
+		.src_reg = 0,					\
+		.off   = 0,					\
+		.imm   = ((FUNC) - BPF_FUNC_unspec) })
+
 #endif