From e867866623893c7683c5df9b5a0d0d9801bebfe2 Mon Sep 17 00:00:00 2001 From: Roman Gushchin Date: Thu, 23 Aug 2018 10:45:26 -0700 Subject: [PATCH] libbpf.h: add BPF_JMP_A macro Add unconditional jump macro to use in generated bpf programs. --- src/shared/linux/libbpf.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/shared/linux/libbpf.h b/src/shared/linux/libbpf.h index ad131fcb12..391eee5a4e 100644 --- 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) \