1 /* $Id: ptrace.h,v 1.7 1999/09/28 22:27:17 ralf Exp $
2 *
3 * This file is subject to the terms and conditions of the GNU General Public
4 * License. See the file "COPYING" in the main directory of this archive
5 * for more details.
6 *
7 * Copyright (C) 1994, 1995, 1996, 1997, 1998 by Ralf Baechle
8 *
9 * Machine dependent structs and defines to help the user use
10 * the ptrace system call.
11 */
12 #ifndef __ASM_MIPS_PTRACE_H
13 #define __ASM_MIPS_PTRACE_H
14
15 #include <asm/isadep.h>
16 #include <linux/types.h>
17
18 /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
19 #define FPR_BASE 32
20 #define PC 64
21 #define CAUSE 65
22 #define BADVADDR 66
23 #define MMHI 67
24 #define MMLO 68
25 #define FPC_CSR 69
26 #define FPC_EIR 70
27
28 #ifndef _LANGUAGE_ASSEMBLY
29 /*
30 * This struct defines the way the registers are stored on the stack during a
31 * system call/exception. As usual the registers k0/k1 aren't being saved.
32 */
33 struct pt_regs {
34 /* Pad bytes for argument save space on the stack. */
35 unsigned long pad0[6];
36
37 /* Saved main processor registers. */
38 unsigned long regs[32];
39
40 /* Other saved registers. */
41 unsigned long lo;
42 unsigned long hi;
43
44 /*
45 * saved cp0 registers
46 */
47 unsigned long cp0_epc;
48 unsigned long cp0_badvaddr;
49 unsigned long cp0_status;
50 unsigned long cp0_cause;
51 };
52
53 #endif /* !(_LANGUAGE_ASSEMBLY) */
54
55 #ifdef _LANGUAGE_ASSEMBLY
56 #include <asm/offset.h>
57 #endif
58
59 #ifdef __KERNEL__
60
61 #ifndef _LANGUAGE_ASSEMBLY
62 /*
63 * Does the process account for user or for system time?
64 */
65 #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
66
67 #define instruction_pointer(regs) ((regs)->cp0_epc)
68
69 extern void show_regs(struct pt_regs *);
70 #endif /* !(_LANGUAGE_ASSEMBLY) */
71
72 #endif
73
74 #endif /* __ASM_MIPS_PTRACE_H */
75
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