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b920de1b DH |
1 | /* MN10300 Exception frame layout and ptrace constants |
2 | * | |
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public Licence | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the Licence, or (at your option) any later version. | |
10 | */ | |
11 | #ifndef _ASM_PTRACE_H | |
12 | #define _ASM_PTRACE_H | |
13 | ||
14 | #define PT_A3 0 | |
15 | #define PT_A2 1 | |
16 | #define PT_D3 2 | |
17 | #define PT_D2 3 | |
18 | #define PT_MCVF 4 | |
19 | #define PT_MCRL 5 | |
20 | #define PT_MCRH 6 | |
21 | #define PT_MDRQ 7 | |
22 | #define PT_E1 8 | |
23 | #define PT_E0 9 | |
24 | #define PT_E7 10 | |
25 | #define PT_E6 11 | |
26 | #define PT_E5 12 | |
27 | #define PT_E4 13 | |
28 | #define PT_E3 14 | |
29 | #define PT_E2 15 | |
30 | #define PT_SP 16 | |
31 | #define PT_LAR 17 | |
32 | #define PT_LIR 18 | |
33 | #define PT_MDR 19 | |
34 | #define PT_A1 20 | |
35 | #define PT_A0 21 | |
36 | #define PT_D1 22 | |
37 | #define PT_D0 23 | |
38 | #define PT_ORIG_D0 24 | |
39 | #define PT_EPSW 25 | |
40 | #define PT_PC 26 | |
41 | #define NR_PTREGS 27 | |
42 | ||
43 | #ifndef __ASSEMBLY__ | |
44 | /* | |
45 | * This defines the way registers are stored in the event of an exception | |
46 | * - the strange order is due to the MOVM instruction | |
47 | */ | |
48 | struct pt_regs { | |
49 | unsigned long a3; /* syscall arg 3 */ | |
50 | unsigned long a2; /* syscall arg 4 */ | |
51 | unsigned long d3; /* syscall arg 5 */ | |
52 | unsigned long d2; /* syscall arg 6 */ | |
53 | unsigned long mcvf; | |
54 | unsigned long mcrl; | |
55 | unsigned long mcrh; | |
56 | unsigned long mdrq; | |
57 | unsigned long e1; | |
58 | unsigned long e0; | |
59 | unsigned long e7; | |
60 | unsigned long e6; | |
61 | unsigned long e5; | |
62 | unsigned long e4; | |
63 | unsigned long e3; | |
64 | unsigned long e2; | |
65 | unsigned long sp; | |
66 | unsigned long lar; | |
67 | unsigned long lir; | |
68 | unsigned long mdr; | |
69 | unsigned long a1; | |
70 | unsigned long a0; /* syscall arg 1 */ | |
71 | unsigned long d1; /* syscall arg 2 */ | |
72 | unsigned long d0; /* syscall ret */ | |
73 | struct pt_regs *next; /* next frame pointer */ | |
74 | unsigned long orig_d0; /* syscall number */ | |
75 | unsigned long epsw; | |
76 | unsigned long pc; | |
77 | }; | |
78 | #endif | |
79 | ||
80 | extern struct pt_regs *__frame; /* current frame pointer */ | |
81 | ||
82 | /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ | |
83 | #define PTRACE_GETREGS 12 | |
84 | #define PTRACE_SETREGS 13 | |
85 | #define PTRACE_GETFPREGS 14 | |
86 | #define PTRACE_SETFPREGS 15 | |
87 | ||
88 | /* options set using PTRACE_SETOPTIONS */ | |
89 | #define PTRACE_O_TRACESYSGOOD 0x00000001 | |
90 | ||
91 | #if defined(__KERNEL__) && !defined(__ASSEMBLY__) | |
92 | #define user_mode(regs) (((regs)->epsw & EPSW_nSL) == EPSW_nSL) | |
93 | #define instruction_pointer(regs) ((regs)->pc) | |
94 | extern void show_regs(struct pt_regs *); | |
95 | #endif | |
96 | ||
97 | #define profile_pc(regs) ((regs)->pc) | |
98 | ||
99 | #endif /* _ASM_PTRACE_H */ |