| /* Parameters for execution on a Sony/NEWS, for GDB, the GNU debugger. |
| Copyright 1987, 1989, 1991, 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., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* See following cpu type determination macro to get the machine type. |
| |
| Here is an m-news.h file for gdb. It supports the 68881 registers. |
| by hikichi@srava.sra.junet |
| |
| * Ptrace for handling floating register has a bug(before NEWS OS version 2.2), |
| * After NEWS OS version 3.2, some of ptrace's bug is fixed. |
| But we cannot change the floating register(see adb(1) in OS 3.2) yet. */ |
| |
| /* Extract from an array REGBUF containing the (raw) register state |
| a function return value of type TYPE, and copy that, in virtual format, |
| into VALBUF. */ |
| |
| /* when it return the floating value, use the FP0 in NEWS. */ |
| #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ |
| { if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ |
| { \ |
| REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE, \ |
| ®BUF[REGISTER_BYTE (FP0_REGNUM)], \ |
| VALBUF); \ |
| } \ |
| else \ |
| memcpy (VALBUF, REGBUF, TYPE_LENGTH (TYPE)); } |
| |
| /* Write into appropriate registers a function return value |
| of type TYPE, given in virtual format. */ |
| |
| /* when it return the floating value, use the FP0 in NEWS. */ |
| #define STORE_RETURN_VALUE(TYPE,VALBUF) \ |
| { if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ |
| { \ |
| char raw_buf[REGISTER_RAW_SIZE (FP0_REGNUM)]; \ |
| REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buf); \ |
| write_register_bytes (REGISTER_BYTE (FP0_REGNUM), \ |
| raw_buf, REGISTER_RAW_SIZE (FP0_REGNUM)); \ |
| } \ |
| else \ |
| write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)); } |
| |
| /* Return number of args passed to a frame. |
| Can return -1, meaning no way to tell. */ |
| |
| extern int news_frame_num_args PARAMS ((struct frame_info * fi)); |
| #define FRAME_NUM_ARGS(fi) (news_frame_num_args ((fi))) |
| |
| #include "m68k/tm-m68k.h" |