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kernel/linux-rt-4.4.41/arch/arm64/include/asm/vdso.h 1.09 KB
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  /*
   * Copyright (C) 2012 ARM Limited
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * This program 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 General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  #ifndef __ASM_VDSO_H
  #define __ASM_VDSO_H
  
  #ifdef __KERNEL__
  
  /*
   * Default link address for the vDSO.
   * Since we randomise the VDSO mapping, there's little point in trying
   * to prelink this.
   */
  #define VDSO_LBASE	0x0
  
  #ifndef __ASSEMBLY__
  
  #include <generated/vdso-offsets.h>
  
  #define VDSO_SYMBOL(base, name)						   \
  ({									   \
  	(void *)(vdso_offset_##name - VDSO_LBASE + (unsigned long)(base)); \
  })
  
  #endif /* !__ASSEMBLY__ */
  
  #endif /* __KERNEL__ */
  
  #endif /* __ASM_VDSO_H */