initial import

1 files changed, 55 insertions, 0 deletions

diff --git a/sysdeps/unix/i386/sysdep.h b/sysdeps/unix/i386/sysdep.h
new file mode 100644
index 0000000000..38dd2378b5
--- /dev/null
+++ b/sysdeps/unix/i386/sysdep.h
@@ -0,0 +1,55 @@
+/* Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdeps/unix/sysdep.h>
+
+#ifdef	ASSEMBLER
+
+#define	ENTRY(name)							      \
+  .globl C_SYMBOL_NAME(name);						      \
+  .align 4;								      \
+  C_LABEL(name)
+
+#ifdef	NO_UNDERSCORES
+/* Since C identifiers are not normally prefixed with an underscore
+   on this system, the asm identifier `syscall_error' intrudes on the
+   C name space.  Make sure we use an innocuous name.  */
+#define	syscall_error	__syscall_error
+#endif
+
+#define	PSEUDO(name, syscall_name, args)				      \
+  .globl syscall_error;							      \
+  ENTRY (name)								      \
+  DO_CALL (syscall_name, args);						      \
+  jb syscall_error
+
+/* This is defined as a separate macro so that other sysdep.h files
+   can include this one and then redefine DO_CALL.  */
+
+#define DO_CALL(syscall_name, args)					      \
+  lea SYS_ify (syscall_name), %eax;					      \
+  /* lcall $7, $0; */							      \
+  /* Above loses; GAS bug.  */						      \
+  .byte 0x9a, 0, 0, 0, 0, 7, 0
+
+#define	r0		%eax	/* Normal return-value register.  */
+#define	r1		%edx	/* Secondary return-value register.  */
+#define scratch 	%ecx	/* Call-clobbered register for random use.  */
+#define MOVE(x,y)	movl x, y
+
+#endif	/* ASSEMBLER */