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])
  20 unsigned long profile_pc(struct pt_regs *);
  21
  22 static inline unsigned long regs_return_value(struct pt_regs *regs)
  23 {
  24         return regs->gr[20];
  25 }
  26
  27 #endif