diff options
| author | Kun-Chuan Hsieh <jetswayss@gmail.com> | 2021-02-24 06:27:52 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-02-24 17:19:11 +0100 |
| commit | 41462c6e730ca0e63f5fed5a517052385d980c54 (patch) | |
| tree | 330797c85c66dd3ffba4ffb3e24b08ee123f3639 /tools/bpf | |
| parent | selftests/bpf: Fix a compiler warning in global func test (diff) | |
| download | linux-41462c6e730ca0e63f5fed5a517052385d980c54.tar.xz linux-41462c6e730ca0e63f5fed5a517052385d980c54.zip | |
tools/resolve_btfids: Fix build error with older host toolchains
Older libelf.h and glibc elf.h might not yet define the ELF compression
types.
Checking and defining SHF_COMPRESSED fix the build error when compiling
with older toolchains. Also, the tool resolve_btfids is compiled with host
toolchain. The host toolchain is more likely to be older than the cross
compile toolchain.
Fixes: 51f6463aacfb ("tools/resolve_btfids: Fix sections with wrong alignment")
Signed-off-by: Kun-Chuan Hsieh <jetswayss@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/bpf/20210224052752.5284-1-jetswayss@gmail.com
Diffstat (limited to 'tools/bpf')
| -rw-r--r-- | tools/bpf/resolve_btfids/main.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c index 7409d7860aa6..80d966cfcaa1 100644 --- a/tools/bpf/resolve_btfids/main.c +++ b/tools/bpf/resolve_btfids/main.c @@ -260,6 +260,11 @@ static struct btf_id *add_symbol(struct rb_root *root, char *name, size_t size) return btf_id__add(root, id, false); } +/* Older libelf.h and glibc elf.h might not yet define the ELF compression types. */ +#ifndef SHF_COMPRESSED +#define SHF_COMPRESSED (1 << 11) /* Section with compressed data. */ +#endif + /* * The data of compressed section should be aligned to 4 * (for 32bit) or 8 (for 64 bit) bytes. The binutils ld |