swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
- v6.0-rc5
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- v5.9-rc8
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- v3.1-rc10
- v3.1-rc1
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- v3.0-rc7
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- v2.6.39-rc7
- v2.6.39-rc6
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- v2.6.39-rc1
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- v2.6.38-rc8
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- v2.6.38
- v2.6.37-rc8
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- v2.6.37
- v2.6.36-rc8
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- v2.6.36
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- v2.6.32-rc8
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- v2.6.32
- v2.6.31-rc9
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- v2.6.31
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- v2.6.29-rc8
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- v2.6.26-rc9
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- v2.6.26
- v2.6.25-rc9
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- v2.6.16
- v2.6.15-rc7
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- v2.6.15-rc1
- v2.6.15
- v2.6.14-rc5
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- v2.6.14
- v2.6.13-rc7
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- v2.6.13
- v2.6.12-rc6
- v2.6.12-rc5
- v2.6.12-rc4
- v2.6.12-rc3
- v2.6.12-rc2
- v2.6.12
- v2.6.11-tree
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Tip revision: 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d authored by Greg Kroah-Hartman on 22 October 2018, 06:37:37 UTC
Linux 4.19
Linux 4.19
Tip revision: 84df952
btf.h
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018 Facebook */
#ifndef _LINUX_BTF_H
#define _LINUX_BTF_H 1
#include <linux/types.h>
struct btf;
struct btf_type;
union bpf_attr;
extern const struct file_operations btf_fops;
void btf_put(struct btf *btf);
int btf_new_fd(const union bpf_attr *attr);
struct btf *btf_get_by_fd(int fd);
int btf_get_info_by_fd(const struct btf *btf,
const union bpf_attr *attr,
union bpf_attr __user *uattr);
/* Figure out the size of a type_id. If type_id is a modifier
* (e.g. const), it will be resolved to find out the type with size.
*
* For example:
* In describing "const void *", type_id is "const" and "const"
* refers to "void *". The return type will be "void *".
*
* If type_id is a simple "int", then return type will be "int".
*
* @btf: struct btf object
* @type_id: Find out the size of type_id. The type_id of the return
* type is set to *type_id.
* @ret_size: It can be NULL. If not NULL, the size of the return
* type is set to *ret_size.
* Return: The btf_type (resolved to another type with size info if needed).
* NULL is returned if type_id itself does not have size info
* (e.g. void) or it cannot be resolved to another type that
* has size info.
* *type_id and *ret_size will not be changed in the
* NULL return case.
*/
const struct btf_type *btf_type_id_size(const struct btf *btf,
u32 *type_id,
u32 *ret_size);
void btf_type_seq_show(const struct btf *btf, u32 type_id, void *obj,
struct seq_file *m);
int btf_get_fd_by_id(u32 id);
u32 btf_id(const struct btf *btf);
#endif