1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
3** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
4*/
5#ifndef _UAPI_PARISC_PTRACE_H
6#define _UAPI_PARISC_PTRACE_H
7
8
9#include <linux/types.h>
10
11/* This struct defines the way the registers are stored on the
12 * stack during a system call.
13 *
14 * N.B. gdb/strace care about the size and offsets within this
15 * structure. If you change things, you may break object compatibility
16 * for those applications.
17 *
18 * Please do NOT use this structure for future programs, but use
19 * user_regs_struct (see below) instead.
20 *
21 * It can be accessed through PTRACE_PEEKUSR/PTRACE_POKEUSR only.
22 */
23
24struct pt_regs {
25	unsigned long gr[32];	/* PSW is in gr[0] */
26	__u64 fr[32];
27	unsigned long sr[ 8];
28	unsigned long iasq[2];
29	unsigned long iaoq[2];
30	unsigned long cr27;
31	unsigned long pad0;     /* available for other uses */
32	unsigned long orig_r28;
33	unsigned long ksp;
34	unsigned long kpc;
35	unsigned long sar;	/* CR11 */
36	unsigned long iir;	/* CR19 */
37	unsigned long isr;	/* CR20 */
38	unsigned long ior;	/* CR21 */
39	unsigned long ipsw;	/* CR22 */
40};
41
42/**
43 * struct user_regs_struct - User general purpose registers
44 *
45 * This is the user-visible general purpose register state structure
46 * which is used to define the elf_gregset_t.
47 *
48 * It can be accessed through PTRACE_GETREGSET with NT_PRSTATUS
49 * and through PTRACE_GETREGS.
50 */
51struct user_regs_struct {
52	unsigned long gr[32];	/* PSW is in gr[0] */
53	unsigned long sr[8];
54	unsigned long iaoq[2];
55	unsigned long iasq[2];
56	unsigned long sar;	/* CR11 */
57	unsigned long iir;	/* CR19 */
58	unsigned long isr;	/* CR20 */
59	unsigned long ior;	/* CR21 */
60	unsigned long ipsw;	/* CR22 */
61	unsigned long cr0;
62	unsigned long cr24, cr25, cr26, cr27, cr28, cr29, cr30, cr31;
63	unsigned long cr8, cr9, cr12, cr13, cr10, cr15;
64	unsigned long _pad[80-64];	/* pad to ELF_NGREG (80) */
65};
66
67/**
68 * struct user_fp_struct - User floating point registers
69 *
70 * This is the user-visible floating point register state structure.
71 * It uses the same layout and size as elf_fpregset_t.
72 *
73 * It can be accessed through PTRACE_GETREGSET with NT_PRFPREG
74 * and through PTRACE_GETFPREGS.
75 */
76struct user_fp_struct {
77	__u64 fr[32];
78};
79
80
81/*
82 * The numbers chosen here are somewhat arbitrary but absolutely MUST
83 * not overlap with any of the number assigned in <linux/ptrace.h>.
84 *
85 * These ones are taken from IA-64 on the assumption that theirs are
86 * the most correct (and we also want to support PTRACE_SINGLEBLOCK
87 * since we have taken branch traps too)
88 */
89#define PTRACE_SINGLEBLOCK	12	/* resume execution until next branch */
90
91#define PTRACE_GETREGS		18
92#define PTRACE_SETREGS		19
93#define PTRACE_GETFPREGS	14
94#define PTRACE_SETFPREGS	15
95
96#endif /* _UAPI_PARISC_PTRACE_H */
97