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57 lines
1.4 KiB
57 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_X86_VDSO_H |
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#define _ASM_X86_VDSO_H |
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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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unsigned long alt, alt_len; |
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unsigned long extable_base, extable_len; |
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const void *extable; |
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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_pvclock_page; |
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long sym_hvclock_page; |
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long sym_timens_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_int80_landing_pad; |
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long sym_vdso32_sigreturn_landing_pad; |
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long sym_vdso32_rt_sigreturn_landing_pad; |
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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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#if defined CONFIG_X86_32 || defined CONFIG_COMPAT |
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extern const struct vdso_image vdso_image_32; |
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#endif |
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extern void __init init_vdso_image(const struct vdso_image *image); |
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extern int map_vdso_once(const struct vdso_image *image, unsigned long addr); |
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extern bool fixup_vdso_exception(struct pt_regs *regs, int trapnr, |
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unsigned long error_code, |
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unsigned long fault_addr); |
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#endif /* __ASSEMBLER__ */ |
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#endif /* _ASM_X86_VDSO_H */
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