| /* Target machine description for SGI Iris under Irix 5, for GDB. |
| Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 2000 |
| Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "mips/tm-irix3.h" |
| |
| /* FIXME: cagney/2000-04-04: Testing the _MIPS_SIM_NABI32 and |
| _MIPS_SIM in a tm-*.h file is simply wrong! Those are |
| host-dependant macros (provided by /usr/include) and stop any |
| chance of the target being cross compiled */ |
| #if defined (_MIPS_SIM_NABI32) && _MIPS_SIM == _MIPS_SIM_NABI32 |
| /* |
| * Irix 6 (n32 ABI) has 32-bit GP regs and 64-bit FP regs |
| */ |
| |
| #undef REGISTER_BYTES |
| #define REGISTER_BYTES (MIPS_NUMREGS * 8 + (NUM_REGS - MIPS_NUMREGS) * MIPS_REGSIZE) |
| |
| #undef REGISTER_BYTE |
| #define REGISTER_BYTE(N) \ |
| (((N) < FP0_REGNUM) ? (N) * MIPS_REGSIZE : \ |
| ((N) < FP0_REGNUM + 32) ? \ |
| FP0_REGNUM * MIPS_REGSIZE + \ |
| ((N) - FP0_REGNUM) * sizeof(double) : \ |
| 32 * sizeof(double) + ((N) - 32) * MIPS_REGSIZE) |
| |
| #undef REGISTER_VIRTUAL_TYPE |
| #define REGISTER_VIRTUAL_TYPE(N) \ |
| (((N) >= FP0_REGNUM && (N) < FP0_REGNUM+32) ? builtin_type_double \ |
| : ((N) == 32 /*SR*/) ? builtin_type_uint32 \ |
| : ((N) >= 70 && (N) <= 89) ? builtin_type_uint32 \ |
| : builtin_type_int) |
| |
| #endif /* N32 */ |
| |
| |
| /* The signal handler trampoline is called _sigtramp. */ |
| #undef IN_SIGTRAMP |
| #define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigtramp", name)) |
| |
| /* Irix 5 saves a full 64 bits for each register. We skip 2 * 4 to |
| get to the saved PC (the register mask and status register are both |
| 32 bits) and then another 4 to get to the lower 32 bits. We skip |
| the same 4 bytes, plus the 8 bytes for the PC to get to the |
| registers, and add another 4 to get to the lower 32 bits. We skip |
| 8 bytes per register. */ |
| #undef SIGFRAME_PC_OFF |
| #define SIGFRAME_PC_OFF (SIGFRAME_BASE + 2 * 4 + 4) |
| #undef SIGFRAME_REGSAVE_OFF |
| #define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 2 * 4 + 8 + 4) |
| #undef SIGFRAME_FPREGSAVE_OFF |
| #define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 2 * 4 + 8 + 32 * 8 + 4) |
| #define SIGFRAME_REG_SIZE 8 |