Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/sh/include/asm/syscall_32.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SH_SYSCALL_32_H #define __ASM_SH_SYSCALL_32_H #include <uapi/linux/audit.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/err.h> #include <asm/ptrace.h> /* The system call number is given by the user in R3 */ static inline long syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { return (regs->tra >= 0) ? regs->regs[3] : -1L; } static inline void syscall_rollback(struct task_struct *task, struct pt_regs *regs) { /* * XXX: This needs some thought. On SH we don't * save away the original r0 value anywhere. */ } static inline long syscall_get_error(struct task_struct *task, struct pt_regs *regs) { return IS_ERR_VALUE(regs->regs[0]) ? regs->regs[0] : 0; } static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { return regs->regs[0]; } static inline void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, int error, long val) { if (error) regs->regs[0] = -error; else regs->regs[0] = val; } static inline void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, unsigned long *args) { /* Argument pattern is: R4, R5, R6, R7, R0, R1 */ args[5] = regs->regs[1]; args[4] = regs->regs[0]; args[3] = regs->regs[7]; args[2] = regs->regs[6]; args[1] = regs->regs[5]; args[0] = regs->regs[4]; } static inline void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, const unsigned long *args) { regs->regs[1] = args[5]; regs->regs[0] = args[4]; regs->regs[7] = args[3]; regs->regs[6] = args[2]; regs->regs[5] = args[1]; regs->regs[4] = args[0]; } static inline int syscall_get_arch(struct task_struct *task) { int arch = AUDIT_ARCH_SH; #ifdef CONFIG_CPU_LITTLE_ENDIAN arch |= __AUDIT_ARCH_LE; #endif return arch; } #endif /* __ASM_SH_SYSCALL_32_H */
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