Re: c/2751

Re: c/2751

[Mirsad Todorovac]

The following reply was made to PR c/2751; it has been noted by GNATS.

From: Mirsad Todorovac <mtodorov@alu.hr>
To: Bruce Korb <bkorb@pacbell.net>
Cc: <gcc-gnats@gcc.gnu.org>
Subject: Re: c/2751
Date: Fri, 25 May 2001 15:45:34 +0200 (MET DST)

 On Tue, 22 May 2001, Bruce Korb wrote:
 
 > Thanks for trying.  It turns out that all the mechanisms
 > for producing va-alpha.h in the gcc-lib tree have become
 > obsolete.  GCC-3 will come before any 2.95.4 does, so I'm
 > afraid this issue is dead.  Sorry.
 >
 > Regards,
 > 	Bruce
 
 Bruce,
 
 Please tell me do you have any ideas about when this version will
 be out?
 
 I've seen from header files that the two definitions of va_list
 are identical in those two header files, so the warning can be
 considered just irritating, not as producing wrong code ...
 
 Thanks you anyway for your time.
 
 Best regards,
 Mirsad
 
 

Re: c/2751

[Mirsad Todorovac]

The following reply was made to PR c/2751; it has been noted by GNATS.

From: Mirsad Todorovac <mtodorov@alu.hr>
To: Bruce Korb <bkorb@pacbell.net>
Cc:  
Subject: Re: c/2751
Date: Mon, 21 May 2001 16:53:50 +0200 (MET DST)

 Hi, Bruce and the Gang,
 
 Here are include files, again, since GNATS doesn't seem to like MIME
 attachments, my apology for any confusion created. I repeat that I
 couldn't seem to find /usr/include/va-alpha.h, it appears to have come
 with GCC distribution ...
 
 Here are the files, non-MIME included (hope this helps, good luck!!!):
 
 ____file:/usr/local/lib/gcc-lib/alpha-dec-osf4.0b/2.95.3/include/va-alpha.h__
 /* GNU C varargs and stdargs support for the DEC Alpha.  */
 
 /* Note:  We must use the name __builtin_savregs.  GCC attaches special
    significance to that name.  In particular, regardless of where in a
    function __builtin_saveregs is called, GCC moves the call up to the
    very start of the function.  */
 
 /* Define __gnuc_va_list.  */
 
 #ifndef __GNUC_VA_LIST
 #define __GNUC_VA_LIST
 
 /* In VMS, __gnuc_va_list is simply char *; on OSF, it's a structure.  */
 
 #ifdef __VMS__
 typedef char *__gnuc_va_list;
 #else
 
 typedef struct {
   char *__base;			/* Pointer to first integer register. */
   int __offset;			/* Byte offset of args so far. */
 } __gnuc_va_list;
 #endif
 
 #endif /* __GNUC_VA_LIST */
 
 /* If this is for internal libc use, don't define anything but
    __gnuc_va_list.  */
 
 #if !defined(__GNUC_VA_LIST_1) && (defined (_STDARG_H) || defined (_VARARGS_H))
 #define __GNUC_VA_LIST_1
 
 #define _VA_LIST
 #define _VA_LIST_
 
 typedef __gnuc_va_list va_list;
 
 #if !defined(_STDARG_H)
 
 /* varargs support */
 #define va_alist __builtin_va_alist
 #define va_dcl	 int __builtin_va_alist;...
 #ifdef __VMS__
 #define va_start(pvar) ((pvar) = __builtin_saveregs ())
 #else
 #define va_start(pvar) ((pvar) = * (__gnuc_va_list *) __builtin_saveregs ())
 #endif
 
 #else /* STDARG.H */
 
 /* ANSI alternative.  */
 
 /* Call __builtin_next_arg even though we aren't using its value, so that
    we can verify that firstarg is correct.  */
 
 #ifdef __VMS__
 #define va_start(pvar, firstarg)				\
   (__builtin_next_arg (firstarg),				\
    (pvar) = __builtin_saveregs ())
 #else
 #define va_start(pvar, firstarg)				\
   (__builtin_next_arg (firstarg),				\
    (pvar) = *(__gnuc_va_list *) __builtin_saveregs ())
 #endif
 
 #endif /* _STDARG_H */
 
 #define va_end(__va)	((void) 0)
 
 /* Values returned by __builtin_classify_type.  */
 
 enum {
   __no_type_class = -1,
   __void_type_class,
   __integer_type_class,
   __char_type_class,
   __enumeral_type_class,
   __boolean_type_class,
   __pointer_type_class,
   __reference_type_class,
   __offset_type_class,
   __real_type_class,
   __complex_type_class,
   __function_type_class,
   __method_type_class,
   __record_type_class,
   __union_type_class,
   __array_type_class,
   __string_type_class,
   __set_type_class,
   __file_type_class,
   __lang_type_class
 };
 
 /* Note that parameters are always aligned at least to a word boundary
    (when passed) regardless of what GCC's __alignof__ operator says.  */
 
 /* Avoid errors if compiling GCC v2 with GCC v1.  */
 #if __GNUC__ == 1
 #define __extension__
 #endif
 
 /* Get the size of a type in bytes, rounded up to an integral number
    of words.  */
 
 #define __va_tsize(__type)  \
   (((sizeof (__type) + __extension__ sizeof (long long) - 1)   \
     / __extension__ sizeof (long long)) * __extension__ sizeof (long long))
 
 #ifdef __VMS__
 #define va_arg(__va, __type)						\
 (*(((__va) += __va_tsize (__type)),					\
    (__type *)(void *)((__va) - __va_tsize (__type))))
 
 #else
 
 #define va_arg(__va, __type)						\
 (*(((__va).__offset += __va_tsize (__type)),				\
    (__type *)(void *)((__va).__base + (__va).__offset			\
 	      - (((__builtin_classify_type (* (__type *) 0)		\
 		   == __real_type_class) && (__va).__offset <= (6 * 8))	\
 		 ? (6 * 8) + 8 : __va_tsize (__type)))))
 #endif
 
 /* Copy __gnuc_va_list into another variable of this type.  */
 #define __va_copy(dest, src) (dest) = (src)
 
 #endif /* __GNUC_VA_LIST_1 */
 _________end_of_file:/usr/local/lib/gcc-lib/.../include/va-alpha.h____________
 
 _________file:/usr/include/va_list.h__________________________________________
 /*
  * *****************************************************************
  * *                                                               *
  * *    Copyright (c) Digital Equipment Corporation, 1991, 1996    *
  * *                                                               *
  * *   All Rights Reserved.  Unpublished rights  reserved  under   *
  * *   the copyright laws of the United States.                    *
  * *                                                               *
  * *   The software contained on this media  is  proprietary  to   *
  * *   and  embodies  the  confidential  technology  of  Digital   *
  * *   Equipment Corporation.  Possession, use,  duplication  or   *
  * *   dissemination of the software and media is authorized only  *
  * *   pursuant to a valid written license from Digital Equipment  *
  * *   Corporation.                                                *
  * *                                                               *
  * *   RESTRICTED RIGHTS LEGEND   Use, duplication, or disclosure  *
  * *   by the U.S. Government is subject to restrictions  as  set  *
  * *   forth in Subparagraph (c)(1)(ii)  of  DFARS  252.227-7013,  *
  * *   or  in  FAR 52.227-19, as applicable.                       *
  * *                                                               *
  * *****************************************************************
  */
 /*
  * HISTORY
  */
 /*
  * @(#)$RCSfile: va_list.h,v $ $Revision: 1.1.7.2 $ (DEC) $Date: 1994/04/07 19:46:03 $
  */
 /*
  * (c) Copyright 1990, 1991, 1992, 1993 OPEN SOFTWARE FOUNDATION, INC.
  * ALL RIGHTS RESERVED
  */
 /*
  * OSF/1 1.2
  */
 /*
  * HISTORY
  * $OSF_Log:	va_list.h,v $
  * Revision 1.1.1.1  92/03/07  00:45:00  devrcs
  * *** OSF1_1B23 version ***
  * 
  * Revision 1.1.2.2  1991/11/14  13:10:39  tom
  * 	Initial version.
  * 	[91/11/14  13:02:50  tom]
  *
  * $OSF_EndLog$
  */
 /* @(#)$RCSfile: va_list.h,v $ $Revision: 1.1.7.2 $ (OSF) $Date: 1994/04/07 19:46:03 $ */
 
 /*
  * Four possible situations:
  * 	- We are being included by {var,std}args.h (or anyone) before stdio.h.
  * 	  define real type.
  *
  * 	- We are being included by stdio.h before {var,std}args.h.
  * 	  define hidden type for prototypes in stdio, don't pollute namespace.
  * 
  * 	- We are being included by {var,std}args.h after stdio.h.
  * 	  define real type to match hidden type.  no longer use hidden type.
  * 
  * 	- We are being included again after defining the real va_list.
  * 	  do nothing.
  * 
  */
 
 #if	!defined(_HIDDEN_VA_LIST) && !defined(_VA_LIST)
 #define _VA_LIST
 typedef struct {
 	char	**_a0;		/* pointer to first homed integer arg */
 	int	_offset;		/* byte offset of next param */
 } va_list;
 
 #elif	defined(_HIDDEN_VA_LIST) && !defined(_VA_LIST)
 #define _VA_LIST
 typedef struct {
 	char	**_a0;		/* pointer to first homed integer arg */
 	int	_offset;		/* byte offset of next param */
 } __va_list;
 
 #elif	defined(_HIDDEN_VA_LIST) && defined(_VA_LIST)
 #undef _HIDDEN_VA_LIST
 typedef __va_list va_list;
 
 #endif
 ________end_of_file:/usr/include/va_list.h__________________________________
 
 ________file:/usr/local/lib/gcc-lib/.../include/va_list.h___________________
 /* A replacement for Digital Unix's <va_list.h>.  */
 
 #include <va-alpha.h>
 
 #if !defined(_VA_LIST) && !defined(_HIDDEN_VA_LIST)
 #define _VA_LIST
 typedef __gnuc_va_list va_list;
 
 #elif defined(_HIDDEN_VA_LIST) && !defined(_HIDDEN_VA_LIST_DONE)
 #define _HIDDEN_VA_LIST_DONE
 typedef __gnuc_va_list __va_list;
 
 #elif defined(_HIDDEN_VA_LIST) && defined(_VA_LIST)
 #undef _HIDDEN_VA_LIST
 
 #endif
 ________end_of_file:/usr/local/lib/gcc-lib/.../include/va_list.h____________
 
 

Re: c/2751

[Mirsad Todorovac]

The following reply was made to PR c/2751; it has been noted by GNATS.

From: Mirsad Todorovac <mtodorov@alu.hr>
To: Bruce Korb <bkorb@pacbell.net>
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: c/2751
Date: Mon, 21 May 2001 16:17:18 +0200 (MET DST)

   This message is in MIME format.  The first part should be readable text,
   while the remaining parts are likely unreadable without MIME-aware tools.
   Send mail to mime@docserver.cac.washington.edu for more info.
 
 --0-910694160-990454638=:22329
 Content-Type: TEXT/PLAIN; charset=US-ASCII
 
 
 
 On Sat, 19 May 2001, Bruce Korb wrote:
 
 > http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2751&database=gcc
 > 
 > It would seem to me that either va-alpha.h or va_list.h should be
 > defining the thing, not both.  Please send me four files for
 > analysis:
 > 
 >   /usr/include/va-alpha.h
 >   /usr/local/lib/gcc-lib/alpha-dec-osf4.0b/2.95.3/include/va-alpha.h
 >   /usr/include/va_list.h
 >   /usr/local/lib/gcc-lib/alpha-dec-osf4.0b/2.95.3/include/va_list.h
 > 
 > then we can try to see the best way to obliterate one of the defs.
 > 
 
 Hi,
 
 The file /usr/include/va-alpha.h doesn't seem to exist on the system.
 The other three files are in the attachment. Good luck!
 
 Mirsad
 
 
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Re: c/2751

[Bruce Korb]

The following reply was made to PR c/2751; it has been noted by GNATS.

From: Bruce Korb <bkorb@pacbell.net>
To: gcc-gnats@gcc.gnu.org, mtodorov@alu.hr
Cc:  
Subject: Re: c/2751
Date: Sat, 19 May 2001 16:33:37 -0700

 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2751&database=gcc
 
 It would seem to me that either va-alpha.h or va_list.h should be
 defining the thing, not both.  Please send me four files for
 analysis:
 
   /usr/include/va-alpha.h
   /usr/local/lib/gcc-lib/alpha-dec-osf4.0b/2.95.3/include/va-alpha.h
   /usr/include/va_list.h
   /usr/local/lib/gcc-lib/alpha-dec-osf4.0b/2.95.3/include/va_list.h
 
 then we can try to see the best way to obliterate one of the defs.