[net-next-2.6.git] / arch / parisc / include / asm / 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 */
};

/*
 * 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 */

#ifdef __KERNEL__

#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))

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

#endif
Commit	Line	Data
1da177e4 LT	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	* N.B. gdb/strace care about the size and offsets within this
	14	* structure. If you change things, you may break object compatibility
	15	* for those applications.
	16	*/
	17
	18	struct pt_regs {
	19	unsigned long gr[32]; /* PSW is in gr[0] */
	20	__u64 fr[32];
	21	unsigned long sr[ 8];
	22	unsigned long iasq[2];
	23	unsigned long iaoq[2];
	24	unsigned long cr27;
	25	unsigned long pad0; /* available for other uses */
	26	unsigned long orig_r28;
	27	unsigned long ksp;
	28	unsigned long kpc;
	29	unsigned long sar; /* CR11 */
	30	unsigned long iir; /* CR19 */
	31	unsigned long isr; /* CR20 */
	32	unsigned long ior; /* CR21 */
	33	unsigned long ipsw; /* CR22 */
	34	};
	35
1da177e4 LT	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 */
f22ab814	45
1da177e4 LT	46	#ifdef __KERNEL__
1da177e4 LT	47
f22ab814 AB	48	#define task_regs(task) ((struct pt_regs ) ((char )(task) + TASK_REGS))
f22ab814 AB	49
1da177e4 LT	50	/* XXX should we use iaoq[1] or iaoq[0] ? */
	51	#define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0)
	52	#define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0)
	53	#define instruction_pointer(regs) ((regs)->iaoq[0] & ~3)
5cd55b0e	54	unsigned long profile_pc(struct pt_regs *);
1da177e4 LT	55	extern void show_regs(struct pt_regs *);
	56	#endif
	57
	58	#endif