LXR linux/include/linux/coredump.h

   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
  11struct core_vma_metadata {
  12        unsigned long start, end;
  13        unsigned long flags;
  14        unsigned long dump_size;
  15};
  16
  17extern int core_uses_pid;
  18extern char core_pattern[];
  19extern unsigned int core_pipe_limit;
  20
  21/*
  22 * These are the only things you should do on a core-file: use only these
  23 * functions to write out all the necessary info.
  24 */
  25struct coredump_params;
  26extern void dump_skip_to(struct coredump_params *cprm, unsigned long to);
  27extern void dump_skip(struct coredump_params *cprm, size_t nr);
  28extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr);
  29extern int dump_align(struct coredump_params *cprm, int align);
  30int dump_user_range(struct coredump_params *cprm, unsigned long start,
  31                    unsigned long len);
  32int dump_vma_snapshot(struct coredump_params *cprm, int *vma_count,
  33                      struct core_vma_metadata **vma_meta,
  34                      size_t *vma_data_size_ptr);
  35extern void do_coredump(const kernel_siginfo_t *siginfo);
  36#else
  37static inline void do_coredump(const kernel_siginfo_t *siginfo) {}
  38#endif
  39
  40#endif /* _LINUX_COREDUMP_H */
  41