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kernel/linux-rt-4.4.41/arch/powerpc/include/asm/vdso.h 1.49 KB
5113f6f70   김현기   kernel add
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  #ifndef __PPC64_VDSO_H__
  #define __PPC64_VDSO_H__
  
  #ifdef __KERNEL__
  
  /* Default link addresses for the vDSOs */
  #define VDSO32_LBASE	0x0
  #define VDSO64_LBASE	0x0
  
  /* Default map addresses for 32bit vDSO */
  #define VDSO32_MBASE	0x100000
  
  #define VDSO_VERSION_STRING	LINUX_2.6.15
  
  /* Define if 64 bits VDSO has procedure descriptors */
  #undef VDS64_HAS_DESCRIPTORS
  
  #ifndef __ASSEMBLY__
  
  /* Offsets relative to thread->vdso_base */
  extern unsigned long vdso64_rt_sigtramp;
  extern unsigned long vdso32_sigtramp;
  extern unsigned long vdso32_rt_sigtramp;
  
  int vdso_getcpu_init(void);
  
  #else /* __ASSEMBLY__ */
  
  #ifdef __VDSO64__
  #ifdef VDS64_HAS_DESCRIPTORS
  #define V_FUNCTION_BEGIN(name)		\
  	.globl name;			\
          .section ".opd","a";		\
          .align 3;			\
  	name:				\
  	.quad .name,.TOC.@tocbase,0;	\
  	.previous;			\
  	.globl .name;			\
  	.type .name,@function; 		\
  	.name:				\
  
  #define V_FUNCTION_END(name)		\
  	.size .name,.-.name;
  
  #define V_LOCAL_FUNC(name) (.name)
  
  #else /* VDS64_HAS_DESCRIPTORS */
  
  #define V_FUNCTION_BEGIN(name)		\
  	.globl name;			\
  	name:				\
  
  #define V_FUNCTION_END(name)		\
  	.size name,.-name;
  
  #define V_LOCAL_FUNC(name) (name)
  
  #endif /* VDS64_HAS_DESCRIPTORS */
  #endif /* __VDSO64__ */
  
  #ifdef __VDSO32__
  
  #define V_FUNCTION_BEGIN(name)		\
  	.globl name;			\
  	.type name,@function; 		\
  	name:				\
  
  #define V_FUNCTION_END(name)		\
  	.size name,.-name;
  
  #define V_LOCAL_FUNC(name) (name)
  
  #endif /* __VDSO32__ */
  
  #endif /* __ASSEMBLY__ */
  
  #endif /* __KERNEL__ */
  
  #endif /* __PPC64_VDSO_H__ */