Initial revision

From-SVN: r11429

1 files changed, 109 insertions, 0 deletions

diff --git a/gcc/config/m68k/mot3300-crt0.S b/gcc/config/m68k/mot3300-crt0.S
new file mode 100644
index 0000000..c86e56b
--- /dev/null
+++ b/gcc/config/m68k/mot3300-crt0.S
@@ -0,0 +1,109 @@
+/* The start module crt0.s for the SysV68 Motorola 3300 Delta Series.
+   Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Manfred Hollstein (manfred@lts.sel.alcatel.de).
+
+This file is part of GNU CC.
+
+GNU CC 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, or (at your option)
+any later version.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifdef MOTOROLA
+# define COMM		comm
+# define DATA		data
+# define EVEN		even
+# define FILE(n)	file	n
+# define GLOBAL_SYM(s)	global	s
+# define LOCAL_LABEL(l)	L%##l
+# define SECTION(n)	section	n
+# define TEXT		text
+#else /* Assume we are using GNU as.  */
+# define COMM		.comm
+# define DATA		.data
+# define EVEN		.even
+# define FILE(name)	.file	name
+# define GLOBAL_SYM(s)	.globl	s
+# define LOCAL_LABEL(l)	.L.##l
+# define SECTION(n)	.section	n
+# define STRING(s)	.asciz	s
+# define TEXT		.text
+#endif
+
+	FILE ("crt0.s")
+	TEXT
+	GLOBAL_SYM (_start)
+_start:	mov.l	%d0,splimit%
+	subq.w	&8,%sp
+	mov.l	8(%sp),(%sp)
+	lea	12(%sp),%a0
+	mov.l	%a0,4(%sp)
+	mov.l	%a0,%a1
+LOCAL_LABEL(0):
+	tst.l	(%a0)+
+	bne.b	LOCAL_LABEL(0)
+#ifdef SGS_CMP_ORDER
+	cmpa.l	%a0,(%a1)
+#else
+	cmpa.l	(%a1),%a0
+#endif
+	blt.b	LOCAL_LABEL(1)
+	subq.w	&4,%a0
+LOCAL_LABEL(1):
+	mov.l	%a0,8(%sp)
+	mov.l	%a0,environ
+	jsr	initfpu
+	
+	subq.w	&8,%sp
+	clr.l	%d0		/* if (! isatty (fileno (stderr))) */
+	mov.b	_iob+27,%d0
+	mov.l	%d0,-(%sp)
+	jsr	isatty
+	addq.w	&4,%sp
+	tst.l	%d0
+	bne.b	LOCAL_LABEL(isatty)
+	clr.l	-(%sp)		/*	setbuf (stderr, NULL) */
+	pea	_iob+28
+	jsr	setbuf
+	addq.w	&8,%sp
+LOCAL_LABEL(isatty):
+	addq.w	&8,%sp
+
+	jsr	main
+	mov.l	%d0,(%sp)
+	jsr	exit
+	moveq.l	&1,%d0
+	trap	&0
+	nop
+
+	EVEN
+
+	COMM	splimit%,4
+	COMM	environ,4
+
+	COMM	mcount,4
+	COMM	mcount%,4
+	COMM	monitor,4
+
+#ifdef STRING
+	SECTION (.comment)
+	STRING ("$Id: crt0.S,v 1.6 1995/12/07 17:17:47 manfred Exp $\n")
+	STRING ("Contributed by manfred@lts.sel.alcatel.de (Manfred Hollstein, Germany)\n")
+#else
+	byte	'C,'o,'n,'t,'r,'i,'b,'u,'t,'e,'d,' ,'b,'y
+	byte	' ,'m,'a,'n,'f,'r,'e,'d,'@,'l,'t,'s,'.,'s
+	byte	'e,'l,'.,'a,'l,'c,'a,'t,'e,'l,'.,'d,'e,' 
+	byte	'(,'M,'a,'n,'f,'r,'e,'d,' ,'H,'o,'l,'l,'s
+	byte	't,'e,'i,'n,',,' ,'G,'e,'r,'m,'a,'n,'y,')
+	byte	10,0
+#endif