/* SPDX-License-Identifier: GPL-2.0-only */ /* * vsyscall_emu_64.S: Vsyscall emulation page * * Copyright (c) 2011 Andy Lutomirski */ #include <linux/linkage.h> #include <asm/irq_vectors.h> #include <asm/page_types.h> #include <asm/unistd_64.h> __PAGE_ALIGNED_DATA .globl __vsyscall_page .balign PAGE_SIZE, 0xcc .type __vsyscall_page, @object __vsyscall_page: mov $__NR_gettimeofday, %rax syscall ret int3 .balign 1024, 0xcc mov $__NR_time, %rax syscall ret int3 .balign 1024, 0xcc mov $__NR_getcpu, %rax syscall ret int3 .balign 4096, 0xcc .size __vsyscall_page, 4096