LXR linux-old/include/asm-parisc/ptrace.h

   1#ifndef _PARISC_PTRACE_H
   2#define _PARISC_PTRACE_H
   3
   4/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
   5** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
   6*/
   7
   8#include <linux/types.h>
   9
  10/* This struct defines the way the registers are stored on the 
  11   stack during a system call. */
  12
  13struct pt_regs {
  14        unsigned long gr[32];   /* PSW is in gr[0] */
  15        __u64 fr[32];
  16        unsigned long sr[ 8];
  17        unsigned long iasq[2];
  18        unsigned long iaoq[2];
  19        unsigned long cr24;
  20        unsigned long cr25;
  21        unsigned long cr26;
  22        unsigned long cr27;
  23        unsigned long cr30;
  24        unsigned long orig_r28;
  25        unsigned long ksp;
  26        unsigned long kpc;
  27        unsigned long sar;      /* CR11 */
  28        unsigned long iir;      /* CR19 */
  29        unsigned long isr;      /* CR20 */
  30        unsigned long ior;      /* CR21 */
  31        unsigned long ipsw;     /* CR22 */
  32        unsigned long cr_pid[4]; /* CR8,9,12,13 */
  33};
  34
  35#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
  36/*
  37 * The numbers chosen here are somewhat arbitrary but absolutely MUST
  38 * not overlap with any of the number assigned in <linux/ptrace.h>.
  39 *
  40 * These ones are taken from IA-64 on the assumption that theirs are
  41 * the most correct (and we also want to support PTRACE_SINGLEBLOCK
  42 * since we have taken branch traps too)
  43 */
  44#define PTRACE_SINGLEBLOCK      12      /* resume execution until next branch */
  45#define PTRACE_GETSIGINFO       13      /* get child's siginfo structure */
  46#define PTRACE_SETSIGINFO       14      /* set child's siginfo structure */
  47
  48#ifdef __KERNEL__
  49
  50/* XXX should we use iaoq[1] or iaoq[0] ? */
  51#define user_mode(regs)                 (((regs)->iaoq[0] &  3) ? 1 : 0)
  52#define instruction_pointer(regs)       ((regs)->iaoq[0] & ~3)
  53extern void show_regs(struct pt_regs *);
  54#endif
  55
  56#endif
  57