diff options
| author | Andrii Nakryiko <[email protected]> | 2020-08-19 01:36:06 +0000 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2020-08-19 01:38:25 +0000 |
| commit | 85367030a6c7ef3373347cf816c698995074f6f0 (patch) | |
| tree | b0f4b19f18ec9d8d64893a4b7a3e4790851185e2 /tools/lib/bpf/libbpf_internal.h | |
| parent | tools/bpftool: Remove libbpf_internal.h usage in bpftool (diff) | |
| download | kernel-85367030a6c7ef3373347cf816c698995074f6f0.tar.gz kernel-85367030a6c7ef3373347cf816c698995074f6f0.zip | |
libbpf: Centralize poisoning and poison reallocarray()
Most of libbpf source files already include libbpf_internal.h, so it's a good
place to centralize identifier poisoning. So move kernel integer type
poisoning there. And also add reallocarray to a poison list to prevent
accidental use of it. libbpf_reallocarray() should be used universally
instead.
Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
Diffstat (limited to 'tools/lib/bpf/libbpf_internal.h')
| -rw-r--r-- | tools/lib/bpf/libbpf_internal.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h index 65931e989eea..c8ed352671d5 100644 --- a/tools/lib/bpf/libbpf_internal.h +++ b/tools/lib/bpf/libbpf_internal.h @@ -10,6 +10,13 @@ #define __LIBBPF_LIBBPF_INTERNAL_H #include <stdlib.h> + +/* make sure libbpf doesn't use kernel-only integer typedefs */ +#pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64 + +/* prevent accidental re-addition of reallocarray() */ +#pragma GCC poison reallocarray + #include "libbpf.h" #define BTF_INFO_ENC(kind, kind_flag, vlen) \ |