| /* Target machine description for MIPS running SVR4, for GDB. |
| Copyright 1994, 1995 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-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) |
| #define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 40 + 36 * 4) |
| |
| /* Use the alternate method of determining valid frame chains. */ |
| #define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi) |
| |
| /* Convert a DWARF register number to a gdb REGNUM. */ |
| #define DWARF_REG_TO_REGNUM(num) ((num) < 32 ? (num) : (num)+FP0_REGNUM-32) |