StdLib: Patches and updates for ARM.

Add ARMGCC and RVCT toolchain support.
Update and Add ARM specific machine headers.
Set the empty macro for __warn_references().
Make __flt_rounds() return 'Round to nearest' by default on ARM.

Signed-off-by:  Olivier Martin [olivier.martin@arm.com]
Reviewed-by:    darylm503


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12367 6f19259b-4bc3-4df7-8a09-765794883524

StdLib/Include/Arm/machine/ansi.h

@@ -1,8 +1,8 @@
-/*	$NetBSD: ansi.h,v 1.7 2006/10/04 13:51:59 tnozaki Exp $	*/
+/*  $NetBSD: ansi.h,v 1.7 2006/10/04 13:51:59 tnozaki Exp $ */
 
 /*
  * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  All rights reserved.
+ *  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
@@ -28,13 +28,13 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	from: @(#)ansi.h	8.2 (Berkeley) 1/4/94
+ *  from: @(#)ansi.h  8.2 (Berkeley) 1/4/94
  */
 
-#ifndef	_ANSI_H_
-#define	_ANSI_H_
+#ifndef _ANSI_H_
+#define _ANSI_H_
 
-#include <sys/cdefs.h>
+#include <sys/EfiCdefs.h>
 
 #include <machine/int_types.h>
 
@@ -42,33 +42,21 @@
  * Types which are fundamental to the implementation and may appear in
  * more than one standard header are defined here.  Standard headers
  * then use:
- *	#ifdef	_BSD_SIZE_T_
- *	typedef	_BSD_SIZE_T_ size_t;
- *	#undef	_BSD_SIZE_T_
- *	#endif
+ *  #ifdef  _BSD_SIZE_T_
+ *  typedef _BSD_SIZE_T_ size_t;
+ *  #undef  _BSD_SIZE_T_
+ *  #endif
  */
-#ifdef __ELF__
-#define	_BSD_CLOCK_T_		unsigned int	/* clock() */
-#define	_BSD_PTRDIFF_T_		long int	/* ptr1 - ptr2 */
-#define	_BSD_SIZE_T_		unsigned long int /* sizeof() */
-#define	_BSD_SSIZE_T_		long int	/* byte count or error */
-#define	_BSD_TIME_T_		int		/* time() */
-#else
-#define	_BSD_CLOCK_T_		unsigned long	/* clock() */
-#define	_BSD_PTRDIFF_T_		int		/* ptr1 - ptr2 */
-#define	_BSD_SIZE_T_		unsigned int	/* sizeof() */
-#define	_BSD_SSIZE_T_		int		/* byte count or error */
-#define	_BSD_TIME_T_		long		/* time() */
-#endif
-#if __GNUC_PREREQ__(2, 96)
-#define	_BSD_VA_LIST_		__builtin_va_list /* GCC built-in type */
-#else
-#define	_BSD_VA_LIST_		char *		/* va_list */
-#endif
-#define	_BSD_CLOCKID_T_		int		/* clockid_t */
-#define	_BSD_TIMER_T_		int		/* timer_t */
-#define	_BSD_SUSECONDS_T_	int		/* suseconds_t */
-#define	_BSD_USECONDS_T_	unsigned int	/* useconds_t */
+#define _BSD_CLOCK_T_     _EFI_CLOCK_T      /* clock() */
+#define _BSD_PTRDIFF_T_   _EFI_PTRDIFF_T_   /* ptr1 - ptr2 */
+#define _BSD_SIZE_T_      _EFI_SIZE_T_      /* sizeof() */
+#define _BSD_SSIZE_T_     INTN              /* byte count or error */
+#define _BSD_TIME_T_      _EFI_TIME_T       /* time() */
+#define _BSD_VA_LIST_     VA_LIST
+#define _BSD_CLOCKID_T_   INT64             /* clockid_t */
+#define _BSD_TIMER_T_     INT64             /* timer_t */
+#define _BSD_SUSECONDS_T_ INT64             /* suseconds_t */
+#define _BSD_USECONDS_T_  UINT64            /* useconds_t */
 
 /*
  * NOTE: rune_t is not covered by ANSI nor other standards, and should not
@@ -82,25 +70,25 @@
  * chosen over a long is that the is*() and to*() routines take ints (says
  * ANSI C), but they use _RUNE_T_ instead of int.  By changing it here, you
  * lose a bit of ANSI conformance, but your programs will still work.
- *    
+ *
  * Note that _WCHAR_T_ and _RUNE_T_ must be of the same type.  When wchar_t
  * and rune_t are typedef'd, _WCHAR_T_ will be undef'd, but _RUNE_T remains
  * defined for ctype.h.
  */
-#define	_BSD_WCHAR_T_		int		/* wchar_t */
-#define	_BSD_WINT_T_		int		/* wint_t */
-#define	_BSD_RUNE_T_		int		/* rune_t */
-#define _BSD_WCTRANS_T_		void *		/* wctrans_t */
-#define _BSD_WCTYPE_T_		void *		/* wctype_t */
+#define _BSD_WCHAR_T_       _EFI_WCHAR_T    /* wchar_t */
+#define _BSD_WINT_T_        _EFI_WINT_T     /* wint_t */
+#define _BSD_RUNE_T_        _EFI_WCHAR_T    /* rune_t */
+#define _BSD_WCTRANS_T_     void *          /* wctrans_t */
+#define _BSD_WCTYPE_T_      unsigned int    /* wctype_t */
 
 /*
  * mbstate_t is an opaque object to keep conversion state, during multibyte
  * stream conversions.  The content must not be referenced by user programs.
  */
 typedef union {
-	__int64_t __mbstateL;	/* for alignment */
-	char __mbstate8[128];
+  __int64_t __mbstateL; /* for alignment */
+  char __mbstate8[128];
 } __mbstate_t;
-#define	_BSD_MBSTATE_T_		__mbstate_t	/* mbstate_t */
+#define _BSD_MBSTATE_T_   __mbstate_t /* mbstate_t */
 
-#endif	/* _ANSI_H_ */
+#endif  /* _ANSI_H_ */