Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/riscv/include/asm/syscall.h
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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2008-2009 Red Hat, Inc. All rights reserved. * Copyright 2010 Tilera Corporation. All Rights Reserved. * Copyright 2015 Regents of the University of California, Berkeley * * See asm-generic/syscall.h for descriptions of what we must do here. */ #ifndef _ASM_RISCV_SYSCALL_H #define _ASM_RISCV_SYSCALL_H #include <uapi/linux/audit.h> #include <linux/sched.h> #include <linux/err.h> /* The array of function pointers for syscalls. */ extern void *sys_call_table[]; /* * Only the low 32 bits of orig_r0 are meaningful, so we return int. * This importantly ignores the high bits on 64-bit, so comparisons * sign-extend the low 32 bits. */ static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { return regs->a7; } static inline void syscall_set_nr(struct task_struct *task, struct pt_regs *regs, int sysno) { regs->a7 = sysno; } static inline void syscall_rollback(struct task_struct *task, struct pt_regs *regs) { regs->a0 = regs->orig_a0; } static inline long syscall_get_error(struct task_struct *task, struct pt_regs *regs) { unsigned long error = regs->a0; return IS_ERR_VALUE(error) ? error : 0; } static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { return regs->a0; } static inline void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, int error, long val) { regs->a0 = (long) error ?: val; } static inline void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, unsigned long *args) { args[0] = regs->orig_a0; args++; memcpy(args, ®s->a1, 5 * sizeof(args[0])); } static inline void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, const unsigned long *args) { regs->orig_a0 = args[0]; args++; memcpy(®s->a1, args, 5 * sizeof(regs->a1)); } static inline int syscall_get_arch(struct task_struct *task) { #ifdef CONFIG_64BIT return AUDIT_ARCH_RISCV64; #else return AUDIT_ARCH_RISCV32; #endif } #endif /* _ASM_RISCV_SYSCALL_H */
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