LXR linux/arch/parisc/include/asm/ptrace.h

   1/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
   2** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
   3*/
   4#ifndef _PARISC_PTRACE_H
   5#define _PARISC_PTRACE_H
   6
   7#include <uapi/asm/ptrace.h>
   8
   9
  10#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
  11
  12#define arch_has_single_step()  1
  13#define arch_has_block_step()   1
  14
  15/* XXX should we use iaoq[1] or iaoq[0] ? */
  16#define user_mode(regs)                 (((regs)->iaoq[0] & 3) ? 1 : 0)
  17#define user_space(regs)                (((regs)->iasq[1] != 0) ? 1 : 0)
  18#define instruction_pointer(regs)       ((regs)->iaoq[0] & ~3)
  19#define user_stack_pointer(regs)        ((regs)->gr[30])
  20unsigned long profile_pc(struct pt_regs *);
  21
  22static inline unsigned long regs_return_value(struct pt_regs *regs)
  23{
  24        return regs->gr[20];
  25}
  26
  27#endif
  28