xref: /openbmc/linux/arch/parisc/include/uapi/asm/ptrace.h (revision 0c6dfa75)
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 
24 struct 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  */
51 struct 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  */
76 struct 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