1 #ifndef _PARISC_PTRACE_H
2 #define _PARISC_PTRACE_H
4 /* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
5 ** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
8 #include <linux/types.h>
10 /* This struct defines the way the registers are stored on the
11 * stack during a system call.
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.
19 unsigned long gr[32]; /* PSW is in gr[0] */
22 unsigned long iasq[2];
23 unsigned long iaoq[2];
25 unsigned long pad0; /* available for other uses */
26 unsigned long orig_r28;
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 */
37 * The numbers chosen here are somewhat arbitrary but absolutely MUST
38 * not overlap with any of the number assigned in <linux/ptrace.h>.
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)
44 #define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */
48 #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
50 #define __ARCH_WANT_COMPAT_SYS_PTRACE
53 #define arch_has_single_step() 1
54 void user_disable_single_step(struct task_struct *task);
55 void user_enable_single_step(struct task_struct *task);
57 #define arch_has_block_step() 1
58 void user_enable_block_step(struct task_struct *task);
60 /* XXX should we use iaoq[1] or iaoq[0] ? */
61 #define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0)
62 #define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0)
63 #define instruction_pointer(regs) ((regs)->iaoq[0] & ~3)
64 unsigned long profile_pc(struct pt_regs *);
65 extern void show_regs(struct pt_regs *);