1 /* Target machine description for SGI Iris under Irix 6.x, for GDB. 2 3 Copyright 2001, 2002, 2003 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 "mips/tm-mips.h" 23 #include "solib.h" 24 25 /* Offsets for register values in _sigtramp frame. 26 sigcontext is immediately above the _sigtramp frame on Irix. */ 27 #undef SIGFRAME_BASE 28 #define SIGFRAME_BASE 0 29 30 /* Irix 5 saves a full 64 bits for each register. We skip 2 * 4 to 31 get to the saved PC (the register mask and status register are both 32 32 bits) and then another 4 to get to the lower 32 bits. We skip 33 the same 4 bytes, plus the 8 bytes for the PC to get to the 34 registers, and add another 4 to get to the lower 32 bits. We skip 35 8 bytes per register. */ 36 #undef SIGFRAME_PC_OFF 37 #define SIGFRAME_PC_OFF (SIGFRAME_BASE + 2 * 4 + 4) 38 #undef SIGFRAME_REGSAVE_OFF 39 #define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 2 * 4 + 8 + 4) 40 #undef SIGFRAME_FPREGSAVE_OFF 41 #define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 2 * 4 + 8 + 32 * 8 + 4) 42