linux/unaligned.h include dependency is causing issues for libbpf's Github mirror due to {get,put}_unaligned_be32() usage. So get rid of it by implementing custom variants of those macros that will work both in kernel repo and in Github mirror repo. Also fix switch from round_up() to roundup(), as the former is not available in Github mirror (and is just a subtle more specific variant of roundup() anyways). Signed-off-by: Andrii Nakryiko --- tools/lib/bpf/libbpf_utils.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/tools/lib/bpf/libbpf_utils.c b/tools/lib/bpf/libbpf_utils.c index f8290a0b3aaf..4189504fae75 100644 --- a/tools/lib/bpf/libbpf_utils.c +++ b/tools/lib/bpf/libbpf_utils.c @@ -13,7 +13,6 @@ #include #include #include -#include #include "libbpf.h" #include "libbpf_internal.h" @@ -149,6 +148,14 @@ const char *libbpf_errstr(int err) } } +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wpacked" +struct __packed_u32 { __u32 __val; } __attribute__((packed)); +#pragma GCC diagnostic pop + +#define get_unaligned_be32(p) (((struct __packed_u32 *)(p))->__val) +#define put_unaligned_be32(v, p) do { ((struct __packed_u32 *)(p))->__val = (v); } while (0) + #define SHA256_BLOCK_LENGTH 64 #define Ch(x, y, z) (((x) & (y)) ^ (~(x) & (z))) #define Maj(x, y, z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) @@ -232,7 +239,7 @@ void libbpf_sha256(const void *data, size_t len, __u8 out[SHA256_DIGEST_LENGTH]) memcpy(final_data, data + len - final_len, final_len); final_data[final_len] = 0x80; - final_len = round_up(final_len + 9, SHA256_BLOCK_LENGTH); + final_len = roundup(final_len + 9, SHA256_BLOCK_LENGTH); memcpy(&final_data[final_len - 8], &bitcount, 8); sha256_blocks(state, final_data, final_len / SHA256_BLOCK_LENGTH); -- 2.47.3