mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
1965aae3c9
Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#ifndef _ASM_X86_VDSO_H
|
|
#define _ASM_X86_VDSO_H
|
|
|
|
#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
|
|
|
|
/*
|
|
* 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;
|
|
|
|
/*
|
|
* These symbols are defined by vdso32.S to mark the bounds
|
|
* of the ELF DSO images included therein.
|
|
*/
|
|
extern const char vdso32_int80_start, vdso32_int80_end;
|
|
extern const char vdso32_syscall_start, vdso32_syscall_end;
|
|
extern const char vdso32_sysenter_start, vdso32_sysenter_end;
|
|
|
|
#endif /* _ASM_X86_VDSO_H */
|