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ptrace.h

#ifndef _PARISC_PTRACE_H
#define _PARISC_PTRACE_H

/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
*/

#include <linux/types.h>

/* This struct defines the way the registers are stored on the 
 * stack during a system call.
 *
 * N.B. gdb/strace care about the size and offsets within this
 * structure. If you change things, you may break object compatibility
 * for those applications.
 */

struct pt_regs {
      unsigned long gr[32];   /* PSW is in gr[0] */
      __u64 fr[32];
      unsigned long sr[ 8];
      unsigned long iasq[2];
      unsigned long iaoq[2];
      unsigned long cr27;
      unsigned long pad0;     /* available for other uses */
      unsigned long orig_r28;
      unsigned long ksp;
      unsigned long kpc;
      unsigned long sar;      /* CR11 */
      unsigned long iir;      /* CR19 */
      unsigned long isr;      /* CR20 */
      unsigned long ior;      /* CR21 */
      unsigned long ipsw;     /* CR22 */
};

#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
/*
 * The numbers chosen here are somewhat arbitrary but absolutely MUST
 * not overlap with any of the number assigned in <linux/ptrace.h>.
 *
 * These ones are taken from IA-64 on the assumption that theirs are
 * the most correct (and we also want to support PTRACE_SINGLEBLOCK
 * since we have taken branch traps too)
 */
#define PTRACE_SINGLEBLOCK    12    /* resume execution until next branch */
#define PTRACE_GETSIGINFO     13    /* get child's siginfo structure */
#define PTRACE_SETSIGINFO     14    /* set child's siginfo structure */

#ifdef __KERNEL__

/* XXX should we use iaoq[1] or iaoq[0] ? */
#define user_mode(regs)             (((regs)->iaoq[0] &  3) ? 1 : 0)
#define instruction_pointer(regs)   ((regs)->iaoq[0] & ~3)
extern void show_regs(struct pt_regs *);
#endif

#endif

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