projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_VDSO_H |
| 2 | #define _ASM_X86_VDSO_H | |
| 7f3646aa | 3 | |
| 9e6f450f AL |
4 | #include <asm/page_types.h> |
| 5 | #include <linux/linkage.h> | |
| 6f121e54 | 6 | #include <linux/init.h> |
| 9e6f450f | 7 | |
| 6f121e54 | 8 | #ifndef __ASSEMBLER__ |
| 9e6f450f | 9 | |
| a62c34bd AL |
10 | #include <linux/mm_types.h> |
| 11 | ||
| 6f121e54 AL |
12 | struct vdso_image { |
| 13 | void *data; | |
| 14 | unsigned long size; /* Always a multiple of PAGE_SIZE */ | |
| a62c34bd AL |
15 | |
| 16 | /* text_mapping.pages is big enough for data/size page pointers */ | |
| 17 | struct vm_special_mapping text_mapping; | |
| 9e6f450f | 18 | |
| 6f121e54 | 19 | unsigned long alt, alt_len; |
| 9e6f450f | 20 | |
| e6577a7c AL |
21 | long sym_vvar_start; /* Negative offset to the vvar area */ |
| 22 | ||
| 23 | long sym_vvar_page; | |
| 24 | long sym_hpet_page; | |
| 25 | long sym_VDSO32_NOTE_MASK; | |
| 26 | long sym___kernel_sigreturn; | |
| 27 | long sym___kernel_rt_sigreturn; | |
| 28 | long sym___kernel_vsyscall; | |
| 29 | long sym_VDSO32_SYSENTER_RETURN; | |
| 6f121e54 | 30 | }; |
| 9e6f450f | 31 | |
| 6f121e54 AL |
32 | #ifdef CONFIG_X86_64 |
| 33 | extern const struct vdso_image vdso_image_64; | |
| 34 | #endif | |
| 7a59ed41 | 35 | |
| 6f121e54 AL |
36 | #ifdef CONFIG_X86_X32 |
| 37 | extern const struct vdso_image vdso_image_x32; | |
| 38 | #endif | |
| 7a59ed41 | 39 | |
| 6f121e54 AL |
40 | #if defined CONFIG_X86_32 || defined CONFIG_COMPAT |
| 41 | extern const struct vdso_image vdso_image_32_int80; | |
| 9e6f450f | 42 | #ifdef CONFIG_COMPAT |
| 6f121e54 | 43 | extern const struct vdso_image vdso_image_32_syscall; |
| 9e6f450f | 44 | #endif |
| 6f121e54 | 45 | extern const struct vdso_image vdso_image_32_sysenter; |
| 9e6f450f | 46 | |
| 6f121e54 | 47 | extern const struct vdso_image *selected_vdso32; |
| 6c3652ef | 48 | #endif |
| 7f3646aa | 49 | |
| 6f121e54 | 50 | extern void __init init_vdso_image(const struct vdso_image *image); |
| b4b541a6 | 51 | |
| 9e6f450f AL |
52 | #endif /* __ASSEMBLER__ */ |
| 53 | ||
| 1965aae3 | 54 | #endif /* _ASM_X86_VDSO_H */ |