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
57
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