diff options
Diffstat (limited to 'gdb/config/mips/tm-irix5.h')
| -rw-r--r-- | gdb/config/mips/tm-irix5.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gdb/config/mips/tm-irix5.h b/gdb/config/mips/tm-irix5.h new file mode 100644 index 0000000..12aa753 --- /dev/null +++ b/gdb/config/mips/tm-irix5.h @@ -0,0 +1,42 @@ +/* Target machine description for SGI Iris under Irix 5, for GDB. + Copyright 1990, 1991, 1992, 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "mips/tm-irix3.h" + +/* A function call in Irix 5 will sometimes skip the three initial + instructions which set the GP. */ +#define AT_FUNCTION_START(pc,func_name,func_addr) ((pc) == (func_addr) + 12) + +/* When calling functions on Irix 5 (or any MIPS SVR4 ABI compliant + platform) $25 must hold the function address. Dest_Reg is a macro + used in CALL_DUMMY in tm-mips.h. */ +#undef Dest_Reg +#define Dest_Reg 25 + +/* 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) +#define SIGFRAME_REG_SIZE 8 |