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File: [Development] / linux-2.6-xfs / include / asm-x86 / vdso.h (download)

Revision 1.1, Tue Feb 26 16:44:40 2008 UTC (9 years, 7 months ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN 

Merge up to 2.6.25-rc3
Merge of 2.6.x-xfs-melb:linux:30555a by kenmcd.

#ifndef _ASM_X86_VDSO_H
#define _ASM_X86_VDSO_H	1

#ifdef CONFIG_X86_64
extern const char VDSO64_PRELINK[];

/*
 * Given a pointer to the vDSO image, find the pointer to VDSO64_name
 * as that symbol is defined in the vDSO sources or linker script.
 */
#define VDSO64_SYMBOL(base, name) ({		\
	extern const char VDSO64_##name[];	\
	(void *) (VDSO64_##name - VDSO64_PRELINK + (unsigned long) (base)); })
#endif

#if defined CONFIG_X86_32 || defined CONFIG_COMPAT
extern const char VDSO32_PRELINK[];

/*
 * Given a pointer to the vDSO image, find the pointer to VDSO32_name
 * as that symbol is defined in the vDSO sources or linker script.
 */
#define VDSO32_SYMBOL(base, name) ({		\
	extern const char VDSO32_##name[];	\
	(void *) (VDSO32_##name - VDSO32_PRELINK + (unsigned long) (base)); })
#endif

#endif	/* asm-x86/vdso.h */