xref: /openbmc/linux/arch/parisc/include/uapi/asm/ptrace.h (revision 4f205687)
1 /* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
2 ** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
3 */
4 #ifndef _UAPI_PARISC_PTRACE_H
5 #define _UAPI_PARISC_PTRACE_H
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  * Please do NOT use this structure for future programs, but use
18  * user_regs_struct (see below) instead.
19  *
20  * It can be accessed through PTRACE_PEEKUSR/PTRACE_POKEUSR only.
21  */
22 
23 struct pt_regs {
24 	unsigned long gr[32];	/* PSW is in gr[0] */
25 	__u64 fr[32];
26 	unsigned long sr[ 8];
27 	unsigned long iasq[2];
28 	unsigned long iaoq[2];
29 	unsigned long cr27;
30 	unsigned long pad0;     /* available for other uses */
31 	unsigned long orig_r28;
32 	unsigned long ksp;
33 	unsigned long kpc;
34 	unsigned long sar;	/* CR11 */
35 	unsigned long iir;	/* CR19 */
36 	unsigned long isr;	/* CR20 */
37 	unsigned long ior;	/* CR21 */
38 	unsigned long ipsw;	/* CR22 */
39 };
40 
41 /**
42  * struct user_regs_struct - User general purpose registers
43  *
44  * This is the user-visible general purpose register state structure
45  * which is used to define the elf_gregset_t.
46  *
47  * It can be accessed through PTRACE_GETREGSET with NT_PRSTATUS
48  * and through PTRACE_GETREGS.
49  */
50 struct user_regs_struct {
51 	unsigned long gr[32];	/* PSW is in gr[0] */
52 	unsigned long sr[8];
53 	unsigned long iaoq[2];
54 	unsigned long iasq[2];
55 	unsigned long sar;	/* CR11 */
56 	unsigned long iir;	/* CR19 */
57 	unsigned long isr;	/* CR20 */
58 	unsigned long ior;	/* CR21 */
59 	unsigned long ipsw;	/* CR22 */
60 	unsigned long cr0;
61 	unsigned long cr24, cr25, cr26, cr27, cr28, cr29, cr30, cr31;
62 	unsigned long cr8, cr9, cr12, cr13, cr10, cr15;
63 	unsigned long _pad[80-64];	/* pad to ELF_NGREG (80) */
64 };
65 
66 /**
67  * struct user_fp_struct - User floating point registers
68  *
69  * This is the user-visible floating point register state structure.
70  * It uses the same layout and size as elf_fpregset_t.
71  *
72  * It can be accessed through PTRACE_GETREGSET with NT_PRFPREG
73  * and through PTRACE_GETFPREGS.
74  */
75 struct user_fp_struct {
76 	__u64 fr[32];
77 };
78 
79 
80 /*
81  * The numbers chosen here are somewhat arbitrary but absolutely MUST
82  * not overlap with any of the number assigned in <linux/ptrace.h>.
83  *
84  * These ones are taken from IA-64 on the assumption that theirs are
85  * the most correct (and we also want to support PTRACE_SINGLEBLOCK
86  * since we have taken branch traps too)
87  */
88 #define PTRACE_SINGLEBLOCK	12	/* resume execution until next branch */
89 
90 #define PTRACE_GETREGS		18
91 #define PTRACE_SETREGS		19
92 #define PTRACE_GETFPREGS	14
93 #define PTRACE_SETFPREGS	15
94 
95 #endif /* _UAPI_PARISC_PTRACE_H */
96