/*
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 1996, 1997, 1998, 2001 by Ralf Baechle
   */
  #ifndef _ASM_BRANCH_H
  #define _ASM_BRANCH_H
  
  #include <asm/ptrace.h>
  
  static inline int delay_slot(struct pt_regs *regs)
  {
  	return regs->cp0_cause & CAUSEF_BD;
  }
  
  static inline unsigned long exception_epc(struct pt_regs *regs)
  {
  	if (!delay_slot(regs))
  		return regs->cp0_epc;
  
  	return regs->cp0_epc + 4;
  }
  
  extern int __compute_return_epc(struct pt_regs *regs);
  
  static inline int compute_return_epc(struct pt_regs *regs)
  {
  	if (!delay_slot(regs)) {
  		regs->cp0_epc += 4;
  		return 0;
  	}
  
  	return __compute_return_epc(regs);
  }
  
  #endif /* _ASM_BRANCH_H */