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Richard Henderson <rth@twiddle.net> writes: > On Wed, Sep 01, 2004 at 11:32:21AM +0200, Andreas Schwab wrote: >> * sysdeps/unix/sysv/linux/ia64/sys/ucontext.h [g++ >= 3.5]: Use >> __builtin_offsetof. > > Perhaps include stddef.h and use offsetof properly? If it's ok to include that here, sure. 2004-09-01 Andreas Schwab <schwab@suse.de> * sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Repace _SC_GR0_OFFSET by offsetof. --- sysdeps/unix/sysv/linux/ia64/sys/ucontext.h 16 Jan 2003 11:33:48 +0100 1.7 +++ sysdeps/unix/sysv/linux/ia64/sys/ucontext.h 01 Sep 2004 22:41:55 +0200 @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 2000, 2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1998, 2000, 2001, 2002, 2004 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 @@ -21,6 +21,7 @@ #include <features.h> #include <signal.h> +#include <stddef.h> #include <bits/sigcontext.h> @@ -32,13 +33,6 @@ typedef struct sigcontext mcontext_t; -#ifdef __GNUC__ -# define _SC_GR0_OFFSET \ - (((char *) &((struct sigcontext *) 0)->sc_gr[0]) - (char *) 0) -#else -# define _SC_GR0_OFFSET 0xc8 /* pray that this is correct... */ -#endif - typedef struct ucontext { union @@ -46,7 +40,7 @@ typedef struct ucontext mcontext_t _mc; struct { - unsigned long _pad[_SC_GR0_OFFSET/8]; + unsigned long _pad[offsetof (struct sigcontext, sc_gr[0]) / 8]; struct ucontext *_link; /* this should overlay sc_gr[0] */ } _uc; Andreas. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
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