asm.h

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/*
 *  NOTE: The spacing in the use of these macros
 *        is critical to them working as advertised.
 *
 *  COPYRIGHT:
 *
 *  This file is based on similar code found in newlib available
 *  from ftp.cygnus.com.  The file which was used had no copyright
 *  notice.  This file is freely distributable as long as the source
 *  of the file is noted.  This file is:
 *
 *  COPYRIGHT (c) 1994-2006.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  $Id: asm.h,v 1.16 2006/01/16 15:12:12 joel Exp $
 */

#ifndef _RTEMS_ASM_H
#define _RTEMS_ASM_H

/*
 *  Indicate we are in an assembly file and get the basic CPU definitions.
 */

#ifndef ASM
#define ASM
#endif
#include <rtems/score/cpuopts.h>
#include <rtems/score/no_cpu.h>

#ifndef __USER_LABEL_PREFIX__

#define __USER_LABEL_PREFIX__ _
#endif

#ifndef __REGISTER_PREFIX__

#define __REGISTER_PREFIX__
#endif

#include <rtems/concat.h>

#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)

#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)

/*
 *  define macros for all of the registers on this CPU
 *
 *  EXAMPLE:     #define d0 REG (d0)
 */

/*
 *  Define macros to handle section beginning and ends.
 */


#define BEGIN_CODE_DCL .text

#define END_CODE_DCL

#define BEGIN_DATA_DCL .data

#define END_DATA_DCL

#define BEGIN_CODE .text

#define END_CODE

#define BEGIN_DATA

#define END_DATA

#define BEGIN_BSS

#define END_BSS

#define END

#define PUBLIC(sym) .globl SYM (sym)

#define EXTERN(sym) .globl SYM (sym)

#endif

---