| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 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 */ |