libbpf.h: add BPF_JMP_A macro

Add unconditional jump macro to use in generated bpf programs.

diff --git a/src/shared/linux/libbpf.h b/src/shared/linux/libbpf.h
index ad131fcb12c3f8a248319aa688a1d5e0b9244115..391eee5a4e35667c0bb0b032abb2a996b198fad4 100644 (file)
--- a/src/shared/linux/libbpf.h
+++ b/src/shared/linux/libbpf.h
@@ -174,6 +174,16 @@ struct bpf_insn;
                 .off   = OFF,                                  \
                 .imm   = IMM })
 
+/* Unconditional jumps */
+
+#define BPF_JMP_A(OFF)                                         \
+        ((struct bpf_insn) {                                   \
+                .code  = BPF_JMP | BPF_JA,                     \
+                .dst_reg = 0,                                  \
+                .src_reg = 0,                                  \
+                .off   = OFF,                                  \
+                .imm   = 0 })
+
 /* Raw code statement block */
 
 #define BPF_RAW_INSN(CODE, DST, SRC, OFF, IMM)                 \