Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...

[pandora-kernel.git] / include / asm-i386 / unwind.h

diff --git a/include/asm-i386/unwind.h b/include/asm-i386/unwind.h
index 69f0f1d..43c70c3 100644 (file)
--- a/include/asm-i386/unwind.h
+++ b/include/asm-i386/unwind.h
@@ -1,98 +1,13 @@
 #ifndef _ASM_I386_UNWIND_H
 #define _ASM_I386_UNWIND_H
 
-/*
- * Copyright (C) 2002-2006 Novell, Inc.
- *     Jan Beulich <jbeulich@novell.com>
- * This code is released under version 2 of the GNU GPL.
- */
-
-#ifdef CONFIG_STACK_UNWIND
-
-#include <linux/sched.h>
-#include <asm/fixmap.h>
-#include <asm/ptrace.h>
-#include <asm/uaccess.h>
-
-struct unwind_frame_info
-{
-       struct pt_regs regs;
-       struct task_struct *task;
-};
-
-#define UNW_PC(frame)        (frame)->regs.eip
-#define UNW_SP(frame)        (frame)->regs.esp
-#ifdef CONFIG_FRAME_POINTER
-#define UNW_FP(frame)        (frame)->regs.ebp
-#define FRAME_RETADDR_OFFSET 4
-#define FRAME_LINK_OFFSET    0
-#define STACK_BOTTOM(tsk)    STACK_LIMIT((tsk)->thread.esp0)
-#define STACK_TOP(tsk)       ((tsk)->thread.esp0)
-#endif
-#define STACK_LIMIT(ptr)     (((ptr) - 1) & ~(THREAD_SIZE - 1))
-
-#define UNW_REGISTER_INFO \
-       PTREGS_INFO(eax), \
-       PTREGS_INFO(ecx), \
-       PTREGS_INFO(edx), \
-       PTREGS_INFO(ebx), \
-       PTREGS_INFO(esp), \
-       PTREGS_INFO(ebp), \
-       PTREGS_INFO(esi), \
-       PTREGS_INFO(edi), \
-       PTREGS_INFO(eip)
-
-static inline void arch_unw_init_frame_info(struct unwind_frame_info *info,
-                                            /*const*/ struct pt_regs *regs)
-{
-       if (user_mode_vm(regs))
-               info->regs = *regs;
-       else {
-               memcpy(&info->regs, regs, offsetof(struct pt_regs, esp));
-               info->regs.esp = (unsigned long)&regs->esp;
-               info->regs.xss = __KERNEL_DS;
-       }
-}
-
-static inline void arch_unw_init_blocked(struct unwind_frame_info *info)
-{
-       memset(&info->regs, 0, sizeof(info->regs));
-       info->regs.eip = info->task->thread.eip;
-       info->regs.xcs = __KERNEL_CS;
-       __get_user(info->regs.ebp, (long *)info->task->thread.esp);
-       info->regs.esp = info->task->thread.esp;
-       info->regs.xss = __KERNEL_DS;
-       info->regs.xds = __USER_DS;
-       info->regs.xes = __USER_DS;
-}
-
-extern asmlinkage int arch_unwind_init_running(struct unwind_frame_info *,
-                                               asmlinkage int (*callback)(struct unwind_frame_info *,
-                                                                          void *arg),
-                                               void *arg);
-
-static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
-{
-#if 0 /* This can only work when selector register and EFLAGS saves/restores
-         are properly annotated (and tracked in UNW_REGISTER_INFO). */
-       return user_mode_vm(&info->regs);
-#else
-       return info->regs.eip < PAGE_OFFSET
-              || (info->regs.eip >= __fix_to_virt(FIX_VDSO)
-                   && info->regs.eip < __fix_to_virt(FIX_VDSO) + PAGE_SIZE)
-              || info->regs.esp < PAGE_OFFSET;
-#endif
-}
-
-#else
-
 #define UNW_PC(frame) ((void)(frame), 0)
+#define UNW_SP(frame) ((void)(frame), 0)
+#define UNW_FP(frame) ((void)(frame), 0)
 
 static inline int arch_unw_user_mode(const void *info)
 {
        return 0;
 }
 
-#endif
-
 #endif /* _ASM_I386_UNWIND_H */