projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 088e7af7 DH |
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> | |
| 1d46e232 | 8 | #include <asm/siginfo.h> |
| 088e7af7 | 9 | |
| a64b8908 | 10 | #ifdef CONFIG_COREDUMP |
| a07279c9 JH |
11 | struct core_vma_metadata { |
| 12 | unsigned long start, end; | |
| 13 | unsigned long flags; | |
| 14 | unsigned long dump_size; | |
| 390031c9 EB |
15 | unsigned long pgoff; |
| 16 | struct file *file; | |
| a07279c9 JH |
17 | }; |
| 18 | ||
| a99a3e2e EB |
19 | struct coredump_params { |
| 20 | const kernel_siginfo_t *siginfo; | |
| a99a3e2e EB |
21 | struct file *file; |
| 22 | unsigned long limit; | |
| 23 | unsigned long mm_flags; | |
| 8603b6f5 | 24 | int cpu; |
| a99a3e2e EB |
25 | loff_t written; |
| 26 | loff_t pos; | |
| 27 | loff_t to_skip; | |
| 95c5436a EB |
28 | int vma_count; |
| 29 | size_t vma_data_size; | |
| 30 | struct core_vma_metadata *vma_meta; | |
| a99a3e2e EB |
31 | }; |
| 32 | ||
| 088e7af7 DH |
33 | /* |
| 34 | * These are the only things you should do on a core-file: use only these | |
| 35 | * functions to write out all the necessary info. | |
| 36 | */ | |
| d0f1088b AV |
37 | extern void dump_skip_to(struct coredump_params *cprm, unsigned long to); |
| 38 | extern void dump_skip(struct coredump_params *cprm, size_t nr); | |
| ecc8c772 | 39 | extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr); |
| 22a8cb82 | 40 | extern int dump_align(struct coredump_params *cprm, int align); |
| afc63a97 JH |
41 | int dump_user_range(struct coredump_params *cprm, unsigned long start, |
| 42 | unsigned long len); | |
| ae7795bc | 43 | extern void do_coredump(const kernel_siginfo_t *siginfo); |
| 179899fd | 44 | #else |
| ae7795bc | 45 | static inline void do_coredump(const kernel_siginfo_t *siginfo) {} |
| 179899fd | 46 | #endif |
| 088e7af7 | 47 | |
| f0bc21b2 XN |
48 | #if defined(CONFIG_COREDUMP) && defined(CONFIG_SYSCTL) |
| 49 | extern void validate_coredump_safety(void); | |
| 50 | #else | |
| 51 | static inline void validate_coredump_safety(void) {} | |
| 52 | #endif | |
| 53 | ||
| 088e7af7 | 54 | #endif /* _LINUX_COREDUMP_H */ |