Update headers/linux/btf.h

Newer libbpf uses constants from the newer kernel header file, so
compilation breaks unless we have the newest version of the kernel header.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
This commit is contained in:
Toke Høiland-Jørgensen
2022-01-17 13:12:53 +01:00
parent d36c5f9254
commit c04f6934cf

View File

@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* Copyright (c) 2018 Facebook */
#ifndef __LINUX_BTF_H__
#define __LINUX_BTF_H__
#ifndef _UAPI__LINUX_BTF_H__
#define _UAPI__LINUX_BTF_H__
#include <linux/types.h>
@@ -43,7 +43,7 @@ struct btf_type {
* "size" tells the size of the type it is describing.
*
* "type" is used by PTR, TYPEDEF, VOLATILE, CONST, RESTRICT,
* FUNC, FUNC_PROTO and VAR.
* FUNC, FUNC_PROTO, VAR, DECL_TAG and TYPE_TAG.
* "type" is a type_id referring to another type.
*/
union {
@@ -56,25 +56,30 @@ struct btf_type {
#define BTF_INFO_VLEN(info) ((info) & 0xffff)
#define BTF_INFO_KFLAG(info) ((info) >> 31)
#define BTF_KIND_UNKN 0 /* Unknown */
#define BTF_KIND_INT 1 /* Integer */
#define BTF_KIND_PTR 2 /* Pointer */
#define BTF_KIND_ARRAY 3 /* Array */
#define BTF_KIND_STRUCT 4 /* Struct */
#define BTF_KIND_UNION 5 /* Union */
#define BTF_KIND_ENUM 6 /* Enumeration */
#define BTF_KIND_FWD 7 /* Forward */
#define BTF_KIND_TYPEDEF 8 /* Typedef */
#define BTF_KIND_VOLATILE 9 /* Volatile */
#define BTF_KIND_CONST 10 /* Const */
#define BTF_KIND_RESTRICT 11 /* Restrict */
#define BTF_KIND_FUNC 12 /* Function */
#define BTF_KIND_FUNC_PROTO 13 /* Function Proto */
#define BTF_KIND_VAR 14 /* Variable */
#define BTF_KIND_DATASEC 15 /* Section */
#define BTF_KIND_FLOAT 16 /* Floating point */
#define BTF_KIND_MAX BTF_KIND_FLOAT
#define NR_BTF_KINDS (BTF_KIND_MAX + 1)
enum {
BTF_KIND_UNKN = 0, /* Unknown */
BTF_KIND_INT = 1, /* Integer */
BTF_KIND_PTR = 2, /* Pointer */
BTF_KIND_ARRAY = 3, /* Array */
BTF_KIND_STRUCT = 4, /* Struct */
BTF_KIND_UNION = 5, /* Union */
BTF_KIND_ENUM = 6, /* Enumeration */
BTF_KIND_FWD = 7, /* Forward */
BTF_KIND_TYPEDEF = 8, /* Typedef */
BTF_KIND_VOLATILE = 9, /* Volatile */
BTF_KIND_CONST = 10, /* Const */
BTF_KIND_RESTRICT = 11, /* Restrict */
BTF_KIND_FUNC = 12, /* Function */
BTF_KIND_FUNC_PROTO = 13, /* Function Proto */
BTF_KIND_VAR = 14, /* Variable */
BTF_KIND_DATASEC = 15, /* Section */
BTF_KIND_FLOAT = 16, /* Floating point */
BTF_KIND_DECL_TAG = 17, /* Decl Tag */
BTF_KIND_TYPE_TAG = 18, /* Type Tag */
NR_BTF_KINDS,
BTF_KIND_MAX = NR_BTF_KINDS - 1,
};
/* For some specific BTF_KIND, "struct btf_type" is immediately
* followed by extra data.
@@ -170,4 +175,15 @@ struct btf_var_secinfo {
__u32 size;
};
#endif /* __LINUX_BTF_H__ */
/* BTF_KIND_DECL_TAG is followed by a single "struct btf_decl_tag" to describe
* additional information related to the tag applied location.
* If component_idx == -1, the tag is applied to a struct, union,
* variable or function. Otherwise, it is applied to a struct/union
* member or a func argument, and component_idx indicates which member
* or argument (0 ... vlen-1).
*/
struct btf_decl_tag {
__s32 component_idx;
};
#endif /* _UAPI__LINUX_BTF_H__ */