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 
9 struct vm_area_struct;
10 int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size);
11 int build_id_parse_nofault(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size);
12 int 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)
15 extern unsigned char vmlinux_build_id[BUILD_ID_SIZE_MAX];
16 void init_vmlinux_build_id(void);
17 #else
init_vmlinux_build_id(void)18 static inline void init_vmlinux_build_id(void) { }
19 #endif
20 
21 #endif
22