import winsup-2000-02-17 snapshot

4 files changed, 174 insertions, 0 deletions

diff --git a/winsup/cygwin/config/i386/longjmp.c b/winsup/cygwin/config/i386/longjmp.c
new file mode 100644
index 000000000..d663e20f7
--- /dev/null
+++ b/winsup/cygwin/config/i386/longjmp.c
@@ -0,0 +1,51 @@
+/* longjmp.c
+
+   Copyright 1996, 1998 Cygnus Solutions.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifdef __i386__
+#if 1
+asm ("	.globl	_longjmp          \n"
+"_longjmp:                        \n"
+"	pushl	%ebp              \n"
+"	movl	%esp,%ebp	  \n"
+"	movl	8(%ebp),%edi	  \n"
+"	movl	12(%ebp),%eax	  \n"
+"	testl	%eax,%eax	  \n"
+"	jne	0f		  \n"
+"	incl	%eax		  \n"
+"0:				  \n"
+"	movl	%eax,0(%edi)	  \n"
+"	movl	24(%edi),%ebp	  \n"
+"	pushfl			  \n"
+"	popl	%ebx		  \n"
+"	movw	42(%edi),%ax	  \n"
+"	movw	%ax,%ss		  \n"
+"	movl	28(%edi),%esp	  \n"
+"	pushl	32(%edi)	  \n"
+"       pushl	%ebx		  \n"
+"	movw	36(%edi),%ax	  \n"
+"	movw	%ax,%es		  \n"
+#if 0
+/* fs is a system register in windows; don't muck with it */
+"	movw	38(%edi),%ax	  \n"
+"	movw	%ax,%fs		  \n"
+#endif
+"	movw	40(%edi),%ax	  \n"
+"	movw	%ax,%gs		  \n"
+"	movl	0(%edi),%eax	  \n"
+"	movl	4(%edi),%ebx	  \n"
+"	movl	8(%edi),%ecx	  \n"
+"	movl	12(%edi),%edx	  \n"
+"	movl	16(%edi),%esi	  \n"
+"	movl	20(%edi),%edi	  \n"
+"	popfl			  \n"
+"	ret			  \n");
+#endif
+
+#endif /* __i386__ */
diff --git a/winsup/cygwin/config/i386/makefrag b/winsup/cygwin/config/i386/makefrag
new file mode 100644
index 000000000..a8b394221
--- /dev/null
+++ b/winsup/cygwin/config/i386/makefrag
@@ -0,0 +1,17 @@
+# makefrag: included by the main Cygwin Makefile.in
+
+# Copyright 1996, 1998 Cygnus Solutions.
+
+# This file is part of Cygwin.
+
+# This software is a copyrighted work licensed under the terms of the
+# Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+# details.
+
+EXTRA_DLL_OFILES=setjmp.o longjmp.o
+
+setjmp.o:config/i386/setjmp.c
+	$(CC) -c $(ALL_CFLAGS) $<
+
+longjmp.o:config/i386/longjmp.c
+	$(CC) -c $(ALL_CFLAGS) $<
diff --git a/winsup/cygwin/config/i386/profile.h b/winsup/cygwin/config/i386/profile.h
new file mode 100644
index 000000000..ad5f625d0
--- /dev/null
+++ b/winsup/cygwin/config/i386/profile.h
@@ -0,0 +1,58 @@
+/*	$NetBSD: profile.h,v 1.6 1995/03/28 18:17:08 jtc Exp $	*/
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)profile.h	8.1 (Berkeley) 6/11/93
+ */
+
+#define	_MCOUNT_DECL static inline void _mcount
+
+#define	MCOUNT \
+void									\
+mcount()								\
+{									\
+	int selfpc, frompcindex;					\
+	/*								\
+	 * find the return address for mcount,				\
+	 * and the return address for mcount's caller.			\
+	 *								\
+	 * selfpc = pc pushed by mcount call				\
+	 */								\
+	__asm("movl 4(%%ebp),%0" : "=r" (selfpc));			\
+	/*								\
+	 * frompcindex = pc pushed by call into self.			\
+	 */								\
+	__asm("movl (%%ebp),%0;movl 4(%0),%0" : "=r" (frompcindex));	\
+	_mcount(frompcindex, selfpc);					\
+}
+
diff --git a/winsup/cygwin/config/i386/setjmp.c b/winsup/cygwin/config/i386/setjmp.c
new file mode 100644
index 000000000..befd7e683
--- /dev/null
+++ b/winsup/cygwin/config/i386/setjmp.c
@@ -0,0 +1,48 @@
+/* setjmp.c
+
+   Copyright 1996, 1998 Cygnus Solutions.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifdef __i386__
+
+#if 1
+asm("	.globl	_setjmp  		\n"
+"_setjmp:				\n"
+"	pushl	%ebp			\n"
+"	movl	%esp,%ebp		\n"
+"	pushl	%edi			\n"
+"	movl	8(%ebp),%edi		\n"
+"	movl	%eax,0(%edi)		\n"
+"	movl	%ebx,4(%edi)		\n"
+"	movl	%ecx,8(%edi)		\n"
+"	movl	%edx,12(%edi)		\n"
+"	movl	%esi,16(%edi)		\n"
+"	movl	-4(%ebp),%eax		\n"
+"	movl	%eax,20(%edi)		\n"
+"	movl	0(%ebp),%eax		\n"
+"	movl	%eax,24(%edi)		\n"
+"	movl	%esp,%eax		\n"
+"	addl	$12,%eax		\n"
+"	movl	%eax,28(%edi)		\n"
+"	movl	4(%ebp),%eax		\n"
+"	movl	%eax,32(%edi)		\n"
+"	movw	%es, %ax		\n"
+"	movw	%ax, 36(%edi)		\n"
+"	movw	%fs, %ax		\n"
+"	movw	%ax, 38(%edi)		\n"
+"	movw	%gs, %ax		\n"
+"	movw	%ax, 40(%edi)		\n"
+"	movw	%ss, %ax		\n"
+"	movw	%ax, 42(%edi)		\n"
+"	popl	%edi			\n"
+"	movl	$0,%eax			\n"
+"	leave				\n"
+"	ret				\n");
+#endif
+
+#endif /* __i386__ */