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 #ifdef CONFIG_COREDUMP 11 struct core_vma_metadata { 12 unsigned long start, end; 13 unsigned long flags; 14 unsigned long dump_size; 15 unsigned long pgoff; 16 struct file *file; 17 }; 18 19 extern int core_uses_pid; 20 extern char core_pattern[]; 21 extern unsigned int core_pipe_limit; 22 23 /* 24 * These are the only things you should do on a core-file: use only these 25 * functions to write out all the necessary info. 26 */ 27 struct coredump_params; 28 extern void dump_skip_to(struct coredump_params *cprm, unsigned long to); 29 extern void dump_skip(struct coredump_params *cprm, size_t nr); 30 extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr); 31 extern int dump_align(struct coredump_params *cprm, int align); 32 int dump_user_range(struct coredump_params *cprm, unsigned long start, 33 unsigned long len); 34 extern void do_coredump(const kernel_siginfo_t *siginfo); 35 #else do_coredump(const kernel_siginfo_t * siginfo)36static inline void do_coredump(const kernel_siginfo_t *siginfo) {} 37 #endif 38 39 #endif /* _LINUX_COREDUMP_H */ 40