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1829419bc3
If CONFIG_32BIT is set, it should return AUDIT_ARCH_LOONGARCH32 instead of AUDIT_ARCH_LOONGARCH64 in syscall_get_arch(). Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
94 lines
2.0 KiB
C
94 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Author: Hanlu Li <lihanlu@loongson.cn>
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* Huacai Chen <chenhuacai@loongson.cn>
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*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef __ASM_LOONGARCH_SYSCALL_H
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#define __ASM_LOONGARCH_SYSCALL_H
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#include <linux/compiler.h>
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#include <uapi/linux/audit.h>
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#include <linux/elf-em.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/uaccess.h>
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#include <asm/ptrace.h>
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#include <asm/unistd.h>
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extern void *sys_call_table[];
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static inline long syscall_get_nr(struct task_struct *task,
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struct pt_regs *regs)
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{
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return regs->regs[11];
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}
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static inline void syscall_set_nr(struct task_struct *task,
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struct pt_regs *regs,
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int nr)
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{
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regs->regs[11] = nr;
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}
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static inline void syscall_rollback(struct task_struct *task,
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struct pt_regs *regs)
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{
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regs->regs[4] = regs->orig_a0;
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}
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static inline long syscall_get_error(struct task_struct *task,
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struct pt_regs *regs)
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{
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unsigned long error = regs->regs[4];
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return IS_ERR_VALUE(error) ? error : 0;
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}
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static inline long syscall_get_return_value(struct task_struct *task,
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struct pt_regs *regs)
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{
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return regs->regs[4];
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}
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static inline void syscall_set_return_value(struct task_struct *task,
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struct pt_regs *regs,
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int error, long val)
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{
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regs->regs[4] = (long) error ? error : val;
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}
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static inline void syscall_get_arguments(struct task_struct *task,
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struct pt_regs *regs,
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unsigned long *args)
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{
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args[0] = regs->orig_a0;
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memcpy(&args[1], ®s->regs[5], 5 * sizeof(long));
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}
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static inline void syscall_set_arguments(struct task_struct *task,
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struct pt_regs *regs,
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unsigned long *args)
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{
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regs->orig_a0 = args[0];
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memcpy(®s->regs[5], &args[1], 5 * sizeof(long));
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}
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static inline int syscall_get_arch(struct task_struct *task)
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{
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#ifdef CONFIG_32BIT
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return AUDIT_ARCH_LOONGARCH32;
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#else
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return AUDIT_ARCH_LOONGARCH64;
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#endif
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}
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static inline bool arch_syscall_is_vdso_sigreturn(struct pt_regs *regs)
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{
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return false;
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}
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#endif /* __ASM_LOONGARCH_SYSCALL_H */
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