| #ifndef _LINUX_UNWIND_H |
| #define _LINUX_UNWIND_H |
| |
| /* |
| * Copyright (C) 2002-2006 Novell, Inc. |
| * Jan Beulich <[email protected]> |
| * This code is released under version 2 of the GNU GPL. |
| * |
| * A simple API for unwinding kernel stacks. This is used for |
| * debugging and error reporting purposes. The kernel doesn't need |
| * full-blown stack unwinding with all the bells and whistles, so there |
| * is not much point in implementing the full Dwarf2 unwind API. |
| */ |
| |
| struct module; |
| |
| struct unwind_frame_info {}; |
| |
| static inline void unwind_init(void) {} |
| static inline void unwind_setup(void) {} |
| |
| #ifdef CONFIG_MODULES |
| |
| static inline void *unwind_add_table(struct module *mod, |
| const void *table_start, |
| unsigned long table_size) |
| { |
| return NULL; |
| } |
| |
| static inline void unwind_remove_table(void *handle, int init_only) |
| { |
| } |
| |
| #endif |
| |
| static inline int unwind_init_frame_info(struct unwind_frame_info *info, |
| struct task_struct *tsk, |
| const struct pt_regs *regs) |
| { |
| return -ENOSYS; |
| } |
| |
| static inline int unwind_init_blocked(struct unwind_frame_info *info, |
| struct task_struct *tsk) |
| { |
| return -ENOSYS; |
| } |
| |
| static inline int unwind_init_running(struct unwind_frame_info *info, |
| asmlinkage int (*cb)(struct unwind_frame_info *, |
| void *arg), |
| void *arg) |
| { |
| return -ENOSYS; |
| } |
| |
| static inline int unwind(struct unwind_frame_info *info) |
| { |
| return -ENOSYS; |
| } |
| |
| static inline int unwind_to_user(struct unwind_frame_info *info) |
| { |
| return -ENOSYS; |
| } |
| |
| #endif /* _LINUX_UNWIND_H */ |
