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
  13 struct 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)
  53 extern void show_regs(struct pt_regs *);
  54 #endif
  55
  56 #endif