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1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public | |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
5 | * | |
6 | * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle | |
7 | * Copyright (C) 1999, 2000 Silicon Graphics, Inc. | |
8 | */ | |
9 | #ifndef _ASM_PTRACE_H | |
10 | #define _ASM_PTRACE_H | |
11 | ||
12 | #include <linux/config.h> | |
13 | ||
14 | #include <asm/isadep.h> | |
15 | ||
16 | /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ | |
17 | #define FPR_BASE 32 | |
18 | #define PC 64 | |
19 | #define CAUSE 65 | |
20 | #define BADVADDR 66 | |
21 | #define MMHI 67 | |
22 | #define MMLO 68 | |
23 | #define FPC_CSR 69 | |
24 | #define FPC_EIR 70 | |
e50c0a8f RB |
25 | #define DSP_BASE 71 /* 3 more hi / lo register pairs */ |
26 | #define DSP_CONTROL 77 | |
1da177e4 LT |
27 | |
28 | /* | |
29 | * This struct defines the way the registers are stored on the stack during a | |
30 | * system call/exception. As usual the registers k0/k1 aren't being saved. | |
31 | */ | |
32 | struct pt_regs { | |
875d43e7 | 33 | #ifdef CONFIG_32BIT |
1da177e4 LT |
34 | /* Pad bytes for argument save space on the stack. */ |
35 | unsigned long pad0[6]; | |
36 | #endif | |
37 | ||
38 | /* Saved main processor registers. */ | |
39 | unsigned long regs[32]; | |
40 | ||
41 | /* Saved special registers. */ | |
42 | unsigned long cp0_status; | |
1da177e4 | 43 | unsigned long hi; |
e50c0a8f | 44 | unsigned long lo; |
1da177e4 LT |
45 | unsigned long cp0_badvaddr; |
46 | unsigned long cp0_cause; | |
47 | unsigned long cp0_epc; | |
48 | }; | |
49 | ||
50 | /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ | |
51 | /* #define PTRACE_GETREGS 12 */ | |
52 | /* #define PTRACE_SETREGS 13 */ | |
53 | /* #define PTRACE_GETFPREGS 14 */ | |
54 | /* #define PTRACE_SETFPREGS 15 */ | |
55 | /* #define PTRACE_GETFPXREGS 18 */ | |
56 | /* #define PTRACE_SETFPXREGS 19 */ | |
57 | ||
58 | #define PTRACE_OLDSETOPTIONS 21 | |
59 | ||
60 | #define PTRACE_GET_THREAD_AREA 25 | |
61 | #define PTRACE_SET_THREAD_AREA 26 | |
62 | ||
63 | #ifdef __KERNEL__ | |
64 | ||
65 | #include <linux/linkage.h> | |
66 | ||
67 | /* | |
68 | * Does the process account for user or for system time? | |
69 | */ | |
70 | #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER) | |
71 | ||
72 | #define instruction_pointer(regs) ((regs)->cp0_epc) | |
73 | #define profile_pc(regs) instruction_pointer(regs) | |
74 | ||
75 | extern void show_regs(struct pt_regs *); | |
76 | ||
77 | extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit); | |
78 | ||
79 | #endif | |
80 | ||
81 | #endif /* _ASM_PTRACE_H */ |