diff options
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_legacy.h')
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_legacy.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_legacy.h b/tools/testing/selftests/bpf/bpf_legacy.h new file mode 100644 index 000000000..845209581 --- /dev/null +++ b/tools/testing/selftests/bpf/bpf_legacy.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ +#ifndef __BPF_LEGACY__ +#define __BPF_LEGACY__ + +/* llvm builtin functions that eBPF C program may use to + * emit BPF_LD_ABS and BPF_LD_IND instructions + */ +unsigned long long load_byte(void *skb, + unsigned long long off) asm("llvm.bpf.load.byte"); +unsigned long long load_half(void *skb, + unsigned long long off) asm("llvm.bpf.load.half"); +unsigned long long load_word(void *skb, + unsigned long long off) asm("llvm.bpf.load.word"); + +#endif + |