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: /lib/modules/5.15.0-1075-aws/build/arch/mips/include/asm/ [ drwxr-xr-x ]
name : vdso.h /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2015 Imagination Technologies * Author: Alex Smith <alex.smith@imgtec.com> */ #ifndef __ASM_VDSO_H #define __ASM_VDSO_H #include <linux/mm_types.h> #include <vdso/datapage.h> #include <asm/barrier.h> /** * struct mips_vdso_image - Details of a VDSO image. * @data: Pointer to VDSO image data (page-aligned). * @size: Size of the VDSO image data (page-aligned). * @off_sigreturn: Offset of the sigreturn() trampoline. * @off_rt_sigreturn: Offset of the rt_sigreturn() trampoline. * @mapping: Special mapping structure. * * This structure contains details of a VDSO image, including the image data * and offsets of certain symbols required by the kernel. It is generated as * part of the VDSO build process, aside from the mapping page array, which is * populated at runtime. */ struct mips_vdso_image { void *data; unsigned long size; unsigned long off_sigreturn; unsigned long off_rt_sigreturn; struct vm_special_mapping mapping; }; /* * The following structures are auto-generated as part of the build for each * ABI by genvdso, see arch/mips/vdso/Makefile. */ extern struct mips_vdso_image vdso_image; #ifdef CONFIG_MIPS32_O32 extern struct mips_vdso_image vdso_image_o32; #endif #ifdef CONFIG_MIPS32_N32 extern struct mips_vdso_image vdso_image_n32; #endif union mips_vdso_data { struct vdso_data data[CS_BASES]; u8 page[PAGE_SIZE]; }; #endif /* __ASM_VDSO_H */