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/arch/parisc/include/asm/ptrace.h

https://github.com/aicjofs/android_kernel_lge_v500_20d
C Header | 63 lines | 32 code | 12 blank | 19 comment | 1 complexity | 120accedc59274b716c4bdc471dad468 MD5 | raw file
 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
18struct 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
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
46#ifdef __KERNEL__
47
48#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
49
50#define arch_has_single_step()	1
51#define arch_has_block_step()	1
52
53/* XXX should we use iaoq[1] or iaoq[0] ? */
54#define user_mode(regs)			(((regs)->iaoq[0] & 3) ? 1 : 0)
55#define user_space(regs)		(((regs)->iasq[1] != 0) ? 1 : 0)
56#define instruction_pointer(regs)	((regs)->iaoq[0] & ~3)
57#define user_stack_pointer(regs)	((regs)->gr[30])
58unsigned long profile_pc(struct pt_regs *);
59
60
61#endif /* __KERNEL__ */
62
63#endif