1 /* GNU/Linux/m68k specific low level interface, for the remote server for GDB. 2 Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003 3 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place - Suite 330, 20 Boston, MA 02111-1307, USA. */ 21 22 #include "server.h" 23 #include "linux-low.h" 24 25 #ifdef HAVE_SYS_REG_H 26 #include <sys/reg.h> 27 #endif 28 29 #define m68k_num_regs 29 30 31 /* This table must line up with REGISTER_NAMES in tm-m68k.h */ 32 static int m68k_regmap[] = 33 { 34 #ifdef PT_D0 35 PT_D0 * 4, PT_D1 * 4, PT_D2 * 4, PT_D3 * 4, 36 PT_D4 * 4, PT_D5 * 4, PT_D6 * 4, PT_D7 * 4, 37 PT_A0 * 4, PT_A1 * 4, PT_A2 * 4, PT_A3 * 4, 38 PT_A4 * 4, PT_A5 * 4, PT_A6 * 4, PT_USP * 4, 39 PT_SR * 4, PT_PC * 4, 40 #else 41 14 * 4, 0 * 4, 1 * 4, 2 * 4, 3 * 4, 4 * 4, 5 * 4, 6 * 4, 42 7 * 4, 8 * 4, 9 * 4, 10 * 4, 11 * 4, 12 * 4, 13 * 4, 15 * 4, 43 17 * 4, 18 * 4, 44 #endif 45 #ifdef PT_FP0 46 PT_FP0 * 4, PT_FP1 * 4, PT_FP2 * 4, PT_FP3 * 4, 47 PT_FP4 * 4, PT_FP5 * 4, PT_FP6 * 4, PT_FP7 * 4, 48 PT_FPCR * 4, PT_FPSR * 4, PT_FPIAR * 4 49 #else 50 21 * 4, 24 * 4, 27 * 4, 30 * 4, 33 * 4, 36 * 4, 51 39 * 4, 42 * 4, 45 * 4, 46 * 4, 47 * 4 52 #endif 53 }; 54 55 static int 56 m68k_cannot_store_register (int regno) 57 { 58 return (regno >= m68k_num_regs); 59 } 60 61 static int 62 m68k_cannot_fetch_register (int regno) 63 { 64 return (regno >= m68k_num_regs); 65 } 66 67 struct linux_target_ops the_low_target = { 68 m68k_num_regs, 69 m68k_regmap, 70 m68k_cannot_fetch_register, 71 m68k_cannot_store_register, 72 }; 73