Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_BUILDID_H
3#define _LINUX_BUILDID_H
4
5#include <linux/types.h>
6
7#define BUILD_ID_SIZE_MAX 20
8
9struct vm_area_struct;
10int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size);
11int build_id_parse_nofault(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size);
12int build_id_parse_buf(const void *buf, unsigned char *build_id, u32 buf_size);
13
14#if IS_ENABLED(CONFIG_STACKTRACE_BUILD_ID) || IS_ENABLED(CONFIG_VMCORE_INFO)
15extern unsigned char vmlinux_build_id[BUILD_ID_SIZE_MAX];
16void init_vmlinux_build_id(void);
17#else
18static inline void init_vmlinux_build_id(void) { }
19#endif
20
21struct freader {
22 void *buf;
23 u32 buf_sz;
24 int err;
25 union {
26 struct {
27 struct file *file;
28 struct folio *folio;
29 void *addr;
30 loff_t folio_off;
31 bool may_fault;
32 };
33 struct {
34 const char *data;
35 u64 data_sz;
36 };
37 };
38};
39
40void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz,
41 struct file *file, bool may_fault);
42void freader_init_from_mem(struct freader *r, const char *data, u64 data_sz);
43const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz);
44void freader_cleanup(struct freader *r);
45
46#endif