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-rw-r--r--include/linux/unwind.h63
1 files changed, 2 insertions, 61 deletions
diff --git a/include/linux/unwind.h b/include/linux/unwind.h
index 749928c161f..7760860fa17 100644
--- a/include/linux/unwind.h
+++ b/include/linux/unwind.h
@@ -14,63 +14,6 @@
14 14
15struct module; 15struct module;
16 16
17#ifdef CONFIG_STACK_UNWIND
18
19#include <asm/unwind.h>
20
21#ifndef ARCH_UNWIND_SECTION_NAME
22#define ARCH_UNWIND_SECTION_NAME ".eh_frame"
23#endif
24
25/*
26 * Initialize unwind support.
27 */
28extern void unwind_init(void);
29extern void unwind_setup(void);
30
31#ifdef CONFIG_MODULES
32
33extern void *unwind_add_table(struct module *,
34 const void *table_start,
35 unsigned long table_size);
36
37extern void unwind_remove_table(void *handle, int init_only);
38
39#endif
40
41extern int unwind_init_frame_info(struct unwind_frame_info *,
42 struct task_struct *,
43 /*const*/ struct pt_regs *);
44
45/*
46 * Prepare to unwind a blocked task.
47 */
48extern int unwind_init_blocked(struct unwind_frame_info *,
49 struct task_struct *);
50
51/*
52 * Prepare to unwind the currently running thread.
53 */
54extern int unwind_init_running(struct unwind_frame_info *,
55 asmlinkage int (*callback)(struct unwind_frame_info *,
56 void *arg),
57 void *arg);
58
59/*
60 * Unwind to previous to frame. Returns 0 if successful, negative
61 * number in case of an error.
62 */
63extern int unwind(struct unwind_frame_info *);
64
65/*
66 * Unwind until the return pointer is in user-land (or until an error
67 * occurs). Returns 0 if successful, negative number in case of
68 * error.
69 */
70extern int unwind_to_user(struct unwind_frame_info *);
71
72#else
73
74struct unwind_frame_info {}; 17struct unwind_frame_info {};
75 18
76static inline void unwind_init(void) {} 19static inline void unwind_init(void) {}
@@ -85,12 +28,12 @@ static inline void *unwind_add_table(struct module *mod,
85 return NULL; 28 return NULL;
86} 29}
87 30
88#endif
89
90static inline void unwind_remove_table(void *handle, int init_only) 31static inline void unwind_remove_table(void *handle, int init_only)
91{ 32{
92} 33}
93 34
35#endif
36
94static inline int unwind_init_frame_info(struct unwind_frame_info *info, 37static inline int unwind_init_frame_info(struct unwind_frame_info *info,
95 struct task_struct *tsk, 38 struct task_struct *tsk,
96 const struct pt_regs *regs) 39 const struct pt_regs *regs)
@@ -122,6 +65,4 @@ static inline int unwind_to_user(struct unwind_frame_info *info)
122 return -ENOSYS; 65 return -ENOSYS;
123} 66}
124 67
125#endif
126
127#endif /* _LINUX_UNWIND_H */ 68#endif /* _LINUX_UNWIND_H */