11965aae3SH. Peter Anvin #ifndef _ASM_X86_VDSO_H 21965aae3SH. Peter Anvin #define _ASM_X86_VDSO_H 3bb898558SAl Viro 49e6f450fSAndy Lutomirski #include <asm/page_types.h> 59e6f450fSAndy Lutomirski #include <linux/linkage.h> 66f121e54SAndy Lutomirski #include <linux/init.h> 79e6f450fSAndy Lutomirski 86f121e54SAndy Lutomirski #ifndef __ASSEMBLER__ 99e6f450fSAndy Lutomirski 106f121e54SAndy Lutomirski struct vdso_image { 116f121e54SAndy Lutomirski void *data; 126f121e54SAndy Lutomirski unsigned long size; /* Always a multiple of PAGE_SIZE */ 136f121e54SAndy Lutomirski struct page **pages; /* Big enough for data/size page pointers */ 149e6f450fSAndy Lutomirski 156f121e54SAndy Lutomirski unsigned long alt, alt_len; 169e6f450fSAndy Lutomirski 17*18d0a6fdSAndy Lutomirski unsigned long sym_end_mapping; /* Total size of the mapping */ 18*18d0a6fdSAndy Lutomirski 19*18d0a6fdSAndy Lutomirski unsigned long sym_vvar_page; 20*18d0a6fdSAndy Lutomirski unsigned long sym_hpet_page; 216f121e54SAndy Lutomirski unsigned long sym_VDSO32_NOTE_MASK; 226f121e54SAndy Lutomirski unsigned long sym___kernel_sigreturn; 236f121e54SAndy Lutomirski unsigned long sym___kernel_rt_sigreturn; 246f121e54SAndy Lutomirski unsigned long sym___kernel_vsyscall; 256f121e54SAndy Lutomirski unsigned long sym_VDSO32_SYSENTER_RETURN; 266f121e54SAndy Lutomirski }; 276f121e54SAndy Lutomirski 286f121e54SAndy Lutomirski #ifdef CONFIG_X86_64 296f121e54SAndy Lutomirski extern const struct vdso_image vdso_image_64; 306f121e54SAndy Lutomirski #endif 316f121e54SAndy Lutomirski 326f121e54SAndy Lutomirski #ifdef CONFIG_X86_X32 336f121e54SAndy Lutomirski extern const struct vdso_image vdso_image_x32; 346f121e54SAndy Lutomirski #endif 359e6f450fSAndy Lutomirski 36bb898558SAl Viro #if defined CONFIG_X86_32 || defined CONFIG_COMPAT 376f121e54SAndy Lutomirski extern const struct vdso_image vdso_image_32_int80; 389e6f450fSAndy Lutomirski #ifdef CONFIG_COMPAT 396f121e54SAndy Lutomirski extern const struct vdso_image vdso_image_32_syscall; 409e6f450fSAndy Lutomirski #endif 416f121e54SAndy Lutomirski extern const struct vdso_image vdso_image_32_sysenter; 429e6f450fSAndy Lutomirski 436f121e54SAndy Lutomirski extern const struct vdso_image *selected_vdso32; 44bb898558SAl Viro #endif 45bb898558SAl Viro 466f121e54SAndy Lutomirski extern void __init init_vdso_image(const struct vdso_image *image); 47b4b541a6SAndy Lutomirski 489e6f450fSAndy Lutomirski #endif /* __ASSEMBLER__ */ 499e6f450fSAndy Lutomirski 501965aae3SH. Peter Anvin #endif /* _ASM_X86_VDSO_H */ 51