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Diffstat (limited to 'include/linux/unwind.h')
-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 749928c161fb..7760860fa170 100644
--- a/include/linux/unwind.h
+++ b/include/linux/unwind.h
@@ -14,63 +14,6 @@
struct module;
-#ifdef CONFIG_STACK_UNWIND
-
-#include <asm/unwind.h>
-
-#ifndef ARCH_UNWIND_SECTION_NAME
-#define ARCH_UNWIND_SECTION_NAME ".eh_frame"
-#endif
-
-/*
- * Initialize unwind support.
- */
-extern void unwind_init(void);
-extern void unwind_setup(void);
-
-#ifdef CONFIG_MODULES
-
-extern void *unwind_add_table(struct module *,
- const void *table_start,
- unsigned long table_size);
-
-extern void unwind_remove_table(void *handle, int init_only);
-
-#endif
-
-extern int unwind_init_frame_info(struct unwind_frame_info *,
- struct task_struct *,
- /*const*/ struct pt_regs *);
-
-/*
- * Prepare to unwind a blocked task.
- */
-extern int unwind_init_blocked(struct unwind_frame_info *,
- struct task_struct *);
-
-/*
- * Prepare to unwind the currently running thread.
- */
-extern int unwind_init_running(struct unwind_frame_info *,
- asmlinkage int (*callback)(struct unwind_frame_info *,
- void *arg),
- void *arg);
-
-/*
- * Unwind to previous to frame. Returns 0 if successful, negative
- * number in case of an error.
- */
-extern int unwind(struct unwind_frame_info *);
-
-/*
- * Unwind until the return pointer is in user-land (or until an error
- * occurs). Returns 0 if successful, negative number in case of
- * error.
- */
-extern int unwind_to_user(struct unwind_frame_info *);
-
-#else
-
struct unwind_frame_info {};
static inline void unwind_init(void) {}
@@ -85,12 +28,12 @@ static inline void *unwind_add_table(struct module *mod,
return NULL;
}
-#endif
-
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)
@@ -122,6 +65,4 @@ static inline int unwind_to_user(struct unwind_frame_info *info)
return -ENOSYS;
}
-#endif
-
#endif /* _LINUX_UNWIND_H */