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5a73fdc5ea
During tracking down a PAE compile failure, I found that config.h was being included in a bunch of places in i386 code. It is no longer necessary, so drop it. Signed-off-by: Zachary Amsden <zach@vmware.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Jeremy Fitzhardinge <jeremy@xensource.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
#ifndef _LINUX_UNWIND_H
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#define _LINUX_UNWIND_H
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/*
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* Copyright (C) 2002-2006 Novell, Inc.
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* Jan Beulich <jbeulich@novell.com>
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* This code is released under version 2 of the GNU GPL.
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*
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* A simple API for unwinding kernel stacks. This is used for
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* debugging and error reporting purposes. The kernel doesn't need
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* full-blown stack unwinding with all the bells and whistles, so there
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* is not much point in implementing the full Dwarf2 unwind API.
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*/
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struct module;
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#ifdef CONFIG_STACK_UNWIND
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#include <asm/unwind.h>
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#ifndef ARCH_UNWIND_SECTION_NAME
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#define ARCH_UNWIND_SECTION_NAME ".eh_frame"
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#endif
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/*
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* Initialize unwind support.
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*/
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extern void unwind_init(void);
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#ifdef CONFIG_MODULES
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extern void *unwind_add_table(struct module *,
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const void *table_start,
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unsigned long table_size);
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extern void unwind_remove_table(void *handle, int init_only);
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#endif
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extern int unwind_init_frame_info(struct unwind_frame_info *,
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struct task_struct *,
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/*const*/ struct pt_regs *);
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/*
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* Prepare to unwind a blocked task.
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*/
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extern int unwind_init_blocked(struct unwind_frame_info *,
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struct task_struct *);
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/*
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* Prepare to unwind the currently running thread.
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*/
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extern int unwind_init_running(struct unwind_frame_info *,
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asmlinkage int (*callback)(struct unwind_frame_info *,
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void *arg),
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void *arg);
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/*
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* Unwind to previous to frame. Returns 0 if successful, negative
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* number in case of an error.
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*/
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extern int unwind(struct unwind_frame_info *);
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/*
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* Unwind until the return pointer is in user-land (or until an error
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* occurs). Returns 0 if successful, negative number in case of
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* error.
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*/
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extern int unwind_to_user(struct unwind_frame_info *);
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#else
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struct unwind_frame_info {};
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static inline void unwind_init(void) {}
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#ifdef CONFIG_MODULES
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static inline void *unwind_add_table(struct module *mod,
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const void *table_start,
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unsigned long table_size)
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{
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return NULL;
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}
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#endif
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static inline void unwind_remove_table(void *handle, int init_only)
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{
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}
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static inline int unwind_init_frame_info(struct unwind_frame_info *info,
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struct task_struct *tsk,
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const struct pt_regs *regs)
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{
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return -ENOSYS;
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}
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static inline int unwind_init_blocked(struct unwind_frame_info *info,
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struct task_struct *tsk)
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{
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return -ENOSYS;
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}
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static inline int unwind_init_running(struct unwind_frame_info *info,
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asmlinkage int (*cb)(struct unwind_frame_info *,
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void *arg),
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void *arg)
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{
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return -ENOSYS;
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}
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static inline int unwind(struct unwind_frame_info *info)
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{
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return -ENOSYS;
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}
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static inline int unwind_to_user(struct unwind_frame_info *info)
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{
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return -ENOSYS;
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}
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#endif
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#endif /* _LINUX_UNWIND_H */
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