glibc/sysdeps/generic/sysdep.h

/* Generic asm macros used on many machines.
   Copyright (C) 1991, 92, 93, 96 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 C_LABEL

/* Define a macro we can use to construct the asm name for a C symbol.  */
#ifdef	NO_UNDERSCORES
#ifdef	__STDC__
#define C_LABEL(name)		name##:
#else
#define C_LABEL(name)		name/**/:
#endif
#else
#ifdef	__STDC__
#define C_LABEL(name)		_##name##:
#else
#define C_LABEL(name)		_/**/name/**/:
#endif
#endif

#endif

/* Mark the end of function named SYM.  This is used on some platforms
   to generate correct debugging information.  */
#ifndef END
#define END(sym)
#endif