diff options
| author | Andrii Nakryiko <andriin@fb.com> | 2020-08-18 15:39:14 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-08-18 18:12:45 -0700 |
| commit | 28b93c64499ae09d9dc8c04123b15f8654a93c4c (patch) | |
| tree | 2bd626b180c389f75f281501b213c059c132bb6e /tools/lib/bpf/btf.h | |
| parent | 81ba0889027505b7d5136319117e473a69a923c4 (diff) | |
libbpf: Clean up and improve CO-RE reloc logging
Add logging of local/target type kind (struct/union/typedef/etc). Preserve
unresolved root type ID (for cases of typedef). Improve the format of CO-RE
reloc spec output format to contain only relevant and succinct info.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200818223921.2911963-3-andriin@fb.com
Diffstat (limited to 'tools/lib/bpf/btf.h')
| -rw-r--r-- | tools/lib/bpf/btf.h | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/tools/lib/bpf/btf.h b/tools/lib/bpf/btf.h index 1ca14448df4c..91f0ad0e0325 100644 --- a/tools/lib/bpf/btf.h +++ b/tools/lib/bpf/btf.h @@ -24,44 +24,6 @@ struct btf_type; struct bpf_object; -/* - * The .BTF.ext ELF section layout defined as - * struct btf_ext_header - * func_info subsection - * - * The func_info subsection layout: - * record size for struct bpf_func_info in the func_info subsection - * struct btf_sec_func_info for section #1 - * a list of bpf_func_info records for section #1 - * where struct bpf_func_info mimics one in include/uapi/linux/bpf.h - * but may not be identical - * struct btf_sec_func_info for section #2 - * a list of bpf_func_info records for section #2 - * ...... - * - * Note that the bpf_func_info record size in .BTF.ext may not - * be the same as the one defined in include/uapi/linux/bpf.h. - * The loader should ensure that record_size meets minimum - * requirement and pass the record as is to the kernel. The - * kernel will handle the func_info properly based on its contents. - */ -struct btf_ext_header { - __u16 magic; - __u8 version; - __u8 flags; - __u32 hdr_len; - - /* All offsets are in bytes relative to the end of this header */ - __u32 func_info_off; - __u32 func_info_len; - __u32 line_info_off; - __u32 line_info_len; - - /* optional part of .BTF.ext header */ - __u32 field_reloc_off; - __u32 field_reloc_len; -}; - LIBBPF_API void btf__free(struct btf *btf); LIBBPF_API struct btf *btf__new(const void *data, __u32 size); LIBBPF_API struct btf *btf__parse(const char *path, struct btf_ext **btf_ext); |