4 files changed, 149 insertions, 0 deletions
diff --git a/sysdeps/i386/bits/endian.h b/sysdeps/i386/bits/endian.h
new file mode 100644
index 0000000000..a5d6c5ea92
--- /dev/null
+++ b/sysdeps/i386/bits/endian.h
@@ -0,0 +1,3 @@
+/* i386 is little-endian.  */
+
+#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/sysdeps/i386/bits/huge_val.h b/sysdeps/i386/bits/huge_val.h
new file mode 100644
index 0000000000..65a06d8f3c
--- /dev/null
+++ b/sysdeps/i386/bits/huge_val.h
@@ -0,0 +1,70 @@
+/* `HUGE_VAL' constants for ix86 (where it is infinity).
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   Copyright (C) 1992, 1995, 1996, 1997 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _MATH_H
+#error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+
+#include <features.h>
+#include <sys/cdefs.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity).  */
+
+#define	__HUGE_VAL_bytes	{ 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
+
+#define __huge_val_t	union { unsigned char __c[8]; double __d; }
+#ifdef	__GNUC__
+#define	HUGE_VAL	(__extension__ \
+			 ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
+#else	/* Not GCC.  */
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+#define	HUGE_VAL	(__huge_val.__d)
+#endif	/* GCC.  */
+
+
+/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL.  */
+
+#ifdef __USE_ISOC9X
+
+#define	__HUGE_VALF_bytes	{ 0, 0, 0x80, 0x7f }
+
+#define __huge_valf_t	union { unsigned char __c[4]; float __f; }
+#ifdef	__GNUC__
+#define	HUGE_VALF	(__extension__ \
+			 ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
+#else	/* Not GCC.  */
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+#define	HUGE_VALF	(__huge_valf.__f)
+#endif	/* GCC.  */
+
+
+#define	__HUGE_VALL_bytes	{ 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0 }
+
+#define __huge_vall_t	union { unsigned char __c[12]; long double __ld; }
+#ifdef	__GNUC__
+#define	HUGE_VALL	(__extension__ \
+			 ((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
+#else	/* Not GCC.  */
+static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
+#define	HUGE_VALL	(__huge_vall.__ld)
+#endif	/* GCC.  */
+
+#endif	/* __USE_ISOC9X.  */
diff --git a/sysdeps/i386/bits/select.h b/sysdeps/i386/bits/select.h
new file mode 100644
index 0000000000..3912515a7f
--- /dev/null
+++ b/sysdeps/i386/bits/select.h
@@ -0,0 +1,57 @@
+/* Copyright (C) 1997 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _SYS_SELECT_H
+#error "Never use <bits/select.h> directly; include <sys/select.h> instead."
+#endif
+
+
+#if defined __GNUC__ && __GNUC__ >= 2
+
+#define __FD_ZERO(fdsetp) \
+  __asm__ __volatile__ ("cld ; rep ; stosl"				      \
+			: "=m" (*(__fd_set *) (fdsetp))			      \
+			: "a" (0), "c" (sizeof (__fd_set)		      \
+					/ sizeof (__fd_mask)),		      \
+			  "D" ((__fd_set *) (fdsetp))			      \
+			:"cx","di")
+#define __FD_SET(fd, fdsetp) \
+  __asm__ __volatile__ ("btsl %1,%0"					      \
+			: "=m" (*(__fd_set *) (fdsetp))			      \
+			: "r" ((int) (fd)))
+#define __FD_CLR(fd, fdsetp) \
+  __asm__ __volatile__ ("btrl %1,%0"					      \
+			: "=m" (*(__fd_set *) (fdsetp))			      \
+			: "r" ((int) (fd)))
+#define __FD_ISSET(fd, fdsetp) \
+  (__extension__							      \
+   ({unsigned char __result;						      \
+     __asm__ __volatile__ ("btl %1,%2 ; setb %0"			      \
+			   : "=q" (__result)				      \
+			   : "r" ((int) (fd)), "m" (*(__fd_set *) (fdsetp))); \
+     __result; }))
+
+#else	/* ! GNU CC */
+
+#define __FD_ZERO(set)  \
+  ((void) memset ((__ptr_t) (set), 0, sizeof (fd_set)))
+#define __FD_SET(d, set)	((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+#define __FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+#define __FD_ISSET(d, set)	((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
+
+#endif	/* GNU CC */
diff --git a/sysdeps/i386/bits/setjmp.h b/sysdeps/i386/bits/setjmp.h
new file mode 100644
index 0000000000..0c03073b36
--- /dev/null
+++ b/sysdeps/i386/bits/setjmp.h
@@ -0,0 +1,19 @@
+/* Define the machine-dependent type `jmp_buf'.  Intel 386 version.  */
+
+#if	defined (__USE_MISC) || defined (_ASM)
+#define	JB_BX	0
+#define	JB_SI	1
+#define	JB_DI	2
+#define	JB_BP	3
+#define	JB_SP	4
+#define	JB_PC	5
+#endif
+
+#ifndef	_ASM
+typedef int __jmp_buf[6];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((int) (address) < (jmpbuf)[JB_SP])