2024-09-09 08:52:07 +00:00
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#ifndef _ASM_X86_VDSO_H
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#define _ASM_X86_VDSO_H
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2024-09-09 08:57:42 +00:00
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#include <asm/page_types.h>
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#include <linux/linkage.h>
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#include <linux/init.h>
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#ifndef __ASSEMBLER__
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#include <linux/mm_types.h>
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struct vdso_image {
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void *data;
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unsigned long size; /* Always a multiple of PAGE_SIZE */
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/* text_mapping.pages is big enough for data/size page pointers */
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struct vm_special_mapping text_mapping;
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unsigned long alt, alt_len;
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long sym_vvar_start; /* Negative offset to the vvar area */
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long sym_vvar_page;
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long sym_hpet_page;
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long sym_VDSO32_NOTE_MASK;
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long sym___kernel_sigreturn;
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long sym___kernel_rt_sigreturn;
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long sym___kernel_vsyscall;
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long sym_VDSO32_SYSENTER_RETURN;
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};
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#ifdef CONFIG_X86_64
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extern const struct vdso_image vdso_image_64;
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#endif
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#ifdef CONFIG_X86_X32
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extern const struct vdso_image vdso_image_x32;
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#endif
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2024-09-09 08:52:07 +00:00
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#if defined CONFIG_X86_32 || defined CONFIG_COMPAT
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2024-09-09 08:57:42 +00:00
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extern const struct vdso_image vdso_image_32_int80;
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#ifdef CONFIG_COMPAT
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extern const struct vdso_image vdso_image_32_syscall;
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2024-09-09 08:52:07 +00:00
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#endif
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2024-09-09 08:57:42 +00:00
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extern const struct vdso_image vdso_image_32_sysenter;
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extern const struct vdso_image *selected_vdso32;
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#endif
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extern void __init init_vdso_image(const struct vdso_image *image);
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2024-09-09 08:52:07 +00:00
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2024-09-09 08:57:42 +00:00
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#endif /* __ASSEMBLER__ */
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2024-09-09 08:52:07 +00:00
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#endif /* _ASM_X86_VDSO_H */
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