1 #ifndef LINUX_CRASH_DUMP_H 2 #define LINUX_CRASH_DUMP_H 3 4 #ifdef CONFIG_CRASH_DUMP 5 #include <linux/kexec.h> 6 #include <linux/smp_lock.h> 7 #include <linux/device.h> 8 #include <linux/proc_fs.h> 9 10 #define ELFCORE_ADDR_MAX (-1ULL) 11 extern unsigned long long elfcorehdr_addr; 12 extern ssize_t copy_oldmem_page(unsigned long, char *, size_t, 13 unsigned long, int); 14 extern const struct file_operations proc_vmcore_operations; 15 extern struct proc_dir_entry *proc_vmcore; 16 17 /* Architecture code defines this if there are other possible ELF 18 * machine types, e.g. on bi-arch capable hardware. */ 19 #ifndef vmcore_elf_check_arch_cross 20 #define vmcore_elf_check_arch_cross(x) 0 21 #endif 22 23 #define vmcore_elf_check_arch(x) (elf_check_arch(x) || vmcore_elf_check_arch_cross(x)) 24 25 #endif /* CONFIG_CRASH_DUMP */ 26 #endif /* LINUX_CRASHDUMP_H */ 27