Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 781e775e authored by Martin KaFai Lau's avatar Martin KaFai Lau Committed by Alexei Starovoitov
Browse files

tools/bpf: Sync kernel btf.h header 



The kernel uapi btf.h is synced to the tools directory.

Signed-off-by: default avatarMartin KaFai Lau <kafai@fb.com>
Signed-off-by: default avatarYonghong Song <yhs@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 2667a262

tools/include/uapi/linux/btf.h

+15 −3
Original line number Diff line number Diff line
@@ -40,7 +40,8 @@ struct btf_type { 
	/* "size" is used by INT, ENUM, STRUCT and UNION.

	 * "size" tells the size of the type it is describing.

	 *

	 * "type" is used by PTR, TYPEDEF, VOLATILE, CONST and RESTRICT.

	 * "type" is used by PTR, TYPEDEF, VOLATILE, CONST, RESTRICT,

	 * FUNC and FUNC_PROTO.

	 * "type" is a type_id referring to another type.

	 */

	union {
@@ -64,8 +65,10 @@ struct btf_type { 
#define BTF_KIND_VOLATILE	9	/* Volatile	*/

#define BTF_KIND_CONST		10	/* Const	*/

#define BTF_KIND_RESTRICT	11	/* Restrict	*/

#define BTF_KIND_MAX		11

#define NR_BTF_KINDS		12

#define BTF_KIND_FUNC		12	/* Function	*/

#define BTF_KIND_FUNC_PROTO	13	/* Function Proto	*/

#define BTF_KIND_MAX		13

#define NR_BTF_KINDS		14



/* For some specific BTF_KIND, "struct btf_type" is immediately

 * followed by extra data.
@@ -110,4 +113,13 @@ struct btf_member { 
	__u32	offset;	/* offset in bits */

};



/* BTF_KIND_FUNC_PROTO is followed by multiple "struct btf_param".

 * The exact number of btf_param is stored in the vlen (of the

 * info in "struct btf_type").

 */

struct btf_param {

	__u32	name_off;

	__u32	type;

};



#endif /* _UAPI__LINUX_BTF_H__ */