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1da177e4 LT |
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 | ||
1da177e4 | 12 | |
1da177e4 LT |
13 | /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ |
14 | #define FPR_BASE 32 | |
15 | #define PC 64 | |
16 | #define CAUSE 65 | |
17 | #define BADVADDR 66 | |
18 | #define MMHI 67 | |
19 | #define MMLO 68 | |
20 | #define FPC_CSR 69 | |
21 | #define FPC_EIR 70 | |
e50c0a8f RB |
22 | #define DSP_BASE 71 /* 3 more hi / lo register pairs */ |
23 | #define DSP_CONTROL 77 | |
9693a853 | 24 | #define ACX 78 |
1da177e4 LT |
25 | |
26 | /* | |
27 | * This struct defines the way the registers are stored on the stack during a | |
28 | * system call/exception. As usual the registers k0/k1 aren't being saved. | |
29 | */ | |
30 | struct pt_regs { | |
875d43e7 | 31 | #ifdef CONFIG_32BIT |
1da177e4 LT |
32 | /* Pad bytes for argument save space on the stack. */ |
33 | unsigned long pad0[6]; | |
34 | #endif | |
35 | ||
36 | /* Saved main processor registers. */ | |
37 | unsigned long regs[32]; | |
38 | ||
39 | /* Saved special registers. */ | |
40 | unsigned long cp0_status; | |
1da177e4 | 41 | unsigned long hi; |
e50c0a8f | 42 | unsigned long lo; |
9693a853 FBH |
43 | #ifdef CONFIG_CPU_HAS_SMARTMIPS |
44 | unsigned long acx; | |
45 | #endif | |
1da177e4 LT |
46 | unsigned long cp0_badvaddr; |
47 | unsigned long cp0_cause; | |
48 | unsigned long cp0_epc; | |
41c594ab RB |
49 | #ifdef CONFIG_MIPS_MT_SMTC |
50 | unsigned long cp0_tcstatus; | |
41c594ab | 51 | #endif /* CONFIG_MIPS_MT_SMTC */ |
0e90f49b | 52 | } __attribute__ ((aligned (8))); |
1da177e4 LT |
53 | |
54 | /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ | |
ea3d710f DJ |
55 | #define PTRACE_GETREGS 12 |
56 | #define PTRACE_SETREGS 13 | |
57 | #define PTRACE_GETFPREGS 14 | |
58 | #define PTRACE_SETFPREGS 15 | |
1da177e4 LT |
59 | /* #define PTRACE_GETFPXREGS 18 */ |
60 | /* #define PTRACE_SETFPXREGS 19 */ | |
61 | ||
62 | #define PTRACE_OLDSETOPTIONS 21 | |
63 | ||
64 | #define PTRACE_GET_THREAD_AREA 25 | |
65 | #define PTRACE_SET_THREAD_AREA 26 | |
66 | ||
ea3d710f DJ |
67 | /* Calls to trace a 64bit program from a 32bit program. */ |
68 | #define PTRACE_PEEKTEXT_3264 0xc0 | |
69 | #define PTRACE_PEEKDATA_3264 0xc1 | |
70 | #define PTRACE_POKETEXT_3264 0xc2 | |
71 | #define PTRACE_POKEDATA_3264 0xc3 | |
72 | #define PTRACE_GET_THREAD_AREA_3264 0xc4 | |
73 | ||
1da177e4 LT |
74 | #ifdef __KERNEL__ |
75 | ||
76 | #include <linux/linkage.h> | |
8f9a2b32 | 77 | #include <asm/isadep.h> |
1da177e4 LT |
78 | |
79 | /* | |
80 | * Does the process account for user or for system time? | |
81 | */ | |
82 | #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER) | |
83 | ||
84 | #define instruction_pointer(regs) ((regs)->cp0_epc) | |
85 | #define profile_pc(regs) instruction_pointer(regs) | |
86 | ||
1da177e4 LT |
87 | extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit); |
88 | ||
eae23f2c | 89 | extern NORET_TYPE void die(const char *, const struct pt_regs *) ATTRIB_NORET; |
2d911e9a | 90 | |
eae23f2c | 91 | static inline void die_if_kernel(const char *str, const struct pt_regs *regs) |
2d911e9a RB |
92 | { |
93 | if (unlikely(!user_mode(regs))) | |
94 | die(str, regs); | |
95 | } | |
96 | ||
1da177e4 LT |
97 | #endif |
98 | ||
99 | #endif /* _ASM_PTRACE_H */ |