nfsd4: typo logical vs bitwise negate for want_mask
[linux-btrfs-devel.git] / arch / x86 / include / asm / vdso.h
blobbb0522850b74c2ae780b6c81981efde9f76f2aa3
1 #ifndef _ASM_X86_VDSO_H
2 #define _ASM_X86_VDSO_H
4 #if defined CONFIG_X86_32 || defined CONFIG_COMPAT
5 extern const char VDSO32_PRELINK[];
7 /*
8 * Given a pointer to the vDSO image, find the pointer to VDSO32_name
9 * as that symbol is defined in the vDSO sources or linker script.
11 #define VDSO32_SYMBOL(base, name) \
12 ({ \
13 extern const char VDSO32_##name[]; \
14 (void *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \
16 #endif
19 * These symbols are defined with the addresses in the vsyscall page.
20 * See vsyscall-sigreturn.S.
22 extern void __user __kernel_sigreturn;
23 extern void __user __kernel_rt_sigreturn;
26 * These symbols are defined by vdso32.S to mark the bounds
27 * of the ELF DSO images included therein.
29 extern const char vdso32_int80_start, vdso32_int80_end;
30 extern const char vdso32_syscall_start, vdso32_syscall_end;
31 extern const char vdso32_sysenter_start, vdso32_sysenter_end;
33 #endif /* _ASM_X86_VDSO_H */