2008-10-22 23:26:29 -06:00
|
|
|
#ifndef _ASM_X86_VDSO_H
|
|
|
|
|
#define _ASM_X86_VDSO_H
|
2008-01-30 05:30:41 -07:00
|
|
|
|
2008-01-30 05:30:42 -07:00
|
|
|
#if defined CONFIG_X86_32 || defined CONFIG_COMPAT
|
2014-03-17 16:22:09 -06:00
|
|
|
|
|
|
|
|
#include <asm/vdso32.h>
|
|
|
|
|
|
|
|
|
|
extern const char VDSO32_PRELINK[];
|
|
|
|
|
|
2008-01-30 05:30:42 -07:00
|
|
|
/*
|
|
|
|
|
* 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.
|
|
|
|
|
*/
|
2008-03-23 02:03:56 -06:00
|
|
|
#define VDSO32_SYMBOL(base, name) \
|
|
|
|
|
({ \
|
|
|
|
|
extern const char VDSO32_##name[]; \
|
2014-03-13 17:01:26 -06:00
|
|
|
(void __user *)(VDSO32_##name + (unsigned long)(base)); \
|
2008-03-23 02:03:56 -06:00
|
|
|
})
|
2008-01-30 05:30:42 -07:00
|
|
|
#endif
|
2008-01-30 05:30:41 -07:00
|
|
|
|
2008-03-06 02:39:07 -07:00
|
|
|
/*
|
|
|
|
|
* These symbols are defined with the addresses in the vsyscall page.
|
|
|
|
|
* See vsyscall-sigreturn.S.
|
|
|
|
|
*/
|
|
|
|
|
extern void __user __kernel_sigreturn;
|
|
|
|
|
extern void __user __kernel_rt_sigreturn;
|
|
|
|
|
|
2014-03-17 16:22:08 -06:00
|
|
|
void __init patch_vdso32(void *vdso, size_t len);
|
|
|
|
|
|
2008-10-22 23:26:29 -06:00
|
|
|
#endif /* _ASM_X86_VDSO_H */
|
