| 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 */ |