1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_COREDUMP_H
3 #define _LINUX_COREDUMP_H
5 #include <linux/types.h>
8 #include <asm/siginfo.h>
10 #ifdef CONFIG_COREDUMP
11 struct core_vma_metadata {
12 unsigned long start, end;
14 unsigned long dump_size;
17 struct coredump_params {
18 const kernel_siginfo_t *siginfo;
22 unsigned long mm_flags;
28 struct core_vma_metadata *vma_meta;
32 * These are the only things you should do on a core-file: use only these
33 * functions to write out all the necessary info.
35 extern void dump_skip_to(struct coredump_params *cprm, unsigned long to);
36 extern void dump_skip(struct coredump_params *cprm, size_t nr);
37 extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr);
38 extern int dump_align(struct coredump_params *cprm, int align);
39 int dump_user_range(struct coredump_params *cprm, unsigned long start,
41 extern void do_coredump(const kernel_siginfo_t *siginfo);
43 static inline void do_coredump(const kernel_siginfo_t *siginfo) {}
46 #if defined(CONFIG_COREDUMP) && defined(CONFIG_SYSCTL)
47 extern void validate_coredump_safety(void);
49 static inline void validate_coredump_safety(void) {}
52 #endif /* _LINUX_COREDUMP_H */