old-cross-binutils/gdb/config/m68k/tm-delta68.h
1995-08-02 03:41:12 +00:00

64 lines
2.2 KiB
C

/* Target definitions for delta68.
Copyright 1993, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Define BPT_VECTOR if it is different than the default.
This is the vector number used by traps to indicate a breakpoint. */
#define BPT_VECTOR 0x1
#undef CPLUS_MARKER
#define CPLUS_MARKER '%'
#define GCC_COMPILED_FLAG_SYMBOL "gcc_compiled%"
#define GCC2_COMPILED_FLAG_SYMBOL "gcc2_compiled%"
/* Amount PC must be decremented by after a breakpoint.
On the Delta, the kernel decrements it for us. */
#define DECR_PC_AFTER_BREAK 0
/* Not sure what happens if we try to store this register, but
phdm@info.ucl.ac.be says we need this define. */
#define CANNOT_STORE_REGISTER(regno) (regno == FPI_REGNUM)
/* 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 returns a pointer value, use a0 in sysV68. */
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
memcpy ((VALBUF), \
(char *) ((REGBUF) + \
(TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 : \
(TYPE_LENGTH(TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH(TYPE)))), \
TYPE_LENGTH(TYPE))
/* Write into appropriate registers a function return value
of type TYPE, given in virtual format. */
/* When it returns a pointer value, use a0 in sysV68. */
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
write_register_bytes ((TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 : 0), \
VALBUF, TYPE_LENGTH (TYPE))
#include "m68k/tm-m68k.h"