1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_COREDUMP_H
3 #define _LINUX_COREDUMP_H
4
5 #include <linux/types.h>
6 #include <linux/mm.h>
7 #include <linux/fs.h>
8 #include <asm/siginfo.h>
9
10 struct core_vma_metadata {
11 unsigned long start, end;
12 unsigned long flags;
13 unsigned long dump_size;
14 };
15
16 /*
17 * These are the only things you should do on a core-file: use only these
18 * functions to write out all the necessary info.
19 */
20 struct coredump_params;
21 extern int dump_skip(struct coredump_params *cprm, size_t nr);
22 extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr);
23 extern int dump_align(struct coredump_params *cprm, int align);
24 extern void dump_truncate(struct coredump_params *cprm);
25 int dump_user_range(struct coredump_params *cprm, unsigned long start,
26 unsigned long len);
27 int dump_vma_snapshot(struct coredump_params *cprm, int *vma_count,
28 struct core_vma_metadata **vma_meta,
29 size_t *vma_data_size_ptr);
30 #ifdef CONFIG_COREDUMP
31 extern void do_coredump(const kernel_siginfo_t *siginfo);
32 #else
do_coredump(const kernel_siginfo_t * siginfo)33 static inline void do_coredump(const kernel_siginfo_t *siginfo) {}
34 #endif
35
36 extern int core_uses_pid;
37 extern char core_pattern[];
38 extern unsigned int core_pipe_limit;
39
40 #endif /* _LINUX_COREDUMP_H */
41