LXR linux/arch/frv/include/asm/sections.h

   1/* sections.h: linkage layout variables
   2 *
   3 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
   4 * Written by David Howells (dhowells@redhat.com)
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License
   8 * as published by the Free Software Foundation; either version
   9 * 2 of the License, or (at your option) any later version.
  10 */
  11
  12#ifndef _ASM_SECTIONS_H
  13#define _ASM_SECTIONS_H
  14
  15#ifndef __ASSEMBLY__
  16
  17#include <linux/types.h>
  18#include <asm-generic/sections.h>
  19
  20#ifdef __KERNEL__
  21
  22/*
  23 * we don't want to put variables in the GP-REL section if they're not used very much - that would
  24 * be waste since GP-REL addressing is limited to GP16+/-2048
  25 */
  26#define __nongpreldata  __attribute__((section(".data")))
  27#define __nongprelbss   __attribute__((section(".bss")))
  28
  29/*
  30 * linker symbols
  31 */
  32extern const void __kernel_image_start, __kernel_image_end, __page_offset;
  33
  34extern unsigned long __nongprelbss memory_start;
  35extern unsigned long __nongprelbss memory_end;
  36extern unsigned long __nongprelbss rom_length;
  37
  38/* determine if we're running from ROM */
  39static inline int is_in_rom(unsigned long addr)
  40{
  41        return 0; /* default case: not in ROM */
  42}
  43
  44#endif
  45#endif
  46#endif /* _ASM_SECTIONS_H */
  47