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 unsigned long pgoff; 15 struct file *file; 16 }; 17 18 /* 19 * These are the only things you should do on a core-file: use only these 20 * functions to write out all the necessary info. 21 */ 22 struct coredump_params; 23 extern int dump_skip(struct coredump_params *cprm, size_t nr); 24 extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr); 25 extern int dump_align(struct coredump_params *cprm, int align); 26 extern void dump_truncate(struct coredump_params *cprm); 27 int dump_user_range(struct coredump_params *cprm, unsigned long start, 28 unsigned long len); 29 #ifdef CONFIG_COREDUMP 30 extern void do_coredump(const kernel_siginfo_t *siginfo); 31 #else do_coredump(const kernel_siginfo_t * siginfo)32static inline void do_coredump(const kernel_siginfo_t *siginfo) {} 33 #endif 34 35 extern int core_uses_pid; 36 extern char core_pattern[]; 37 extern unsigned int core_pipe_limit; 38 39 #endif /* _LINUX_COREDUMP_H */ 40