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- /* Target machine description for MIPS running SVR4, for GDB.
- Copyright 1994 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-bigmips.h"
- #include "tm-sysv4.h"
-
- /* When calling functions on a 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
-
- /* The signal handler trampoline is called _sigtramp. */
- #undef IN_SIGTRAMP
- #define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigtramp", name))
-
- /* On entry to the signal handler trampoline, an ucontext is already
- pushed on the stack. We can get at the saved registers via the
- mcontext which is contained within the ucontext. */
- #define SIGFRAME_BASE 0
- #define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 40)
- #define SIGFRAME_PC_OFF (SIGFRAME_BASE + 40 + 35 * 4)
-
- /* Use the alternate method of determining valid frame chains. */
- #define FRAME_CHAIN_VALID_ALTERNATE
-
- /* Convert a DWARF register number to a gdb REGNUM. */
- #define DWARF_REG_TO_REGNUM(num) ((num) < 32 ? (num) : (num)+FP0_REGNUM-32)
-