Gou Ngai 2b771e32f5
Add dup,dup2 (#224)
* dup,dup2

* fix: sys_dup2语义与posix不一致的问题

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Co-authored-by: longjin <longjin@RinGoTek.cn>
2023-04-02 15:43:53 +08:00

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C
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#pragma once
#include <stdint.h>
// 系统调用号
#define SYS_NOT_EXISTS 0
#define SYS_PUT_STRING 1
#define SYS_OPEN 2
#define SYS_CLOSE 3
#define SYS_READ 4
#define SYS_WRITE 5
#define SYS_LSEEK 6
#define SYS_FORK 7
#define SYS_VFORK 8
#define SYS_BRK 9
#define SYS_SBRK 10
#define SYS_REBOOT 11 // 重启
#define SYS_CHDIR 12 // 切换工作目录
#define SYS_GET_DENTS 13 // 获取目录中的数据
#define SYS_EXECVE 14 // 执行新的应用程序
#define SYS_WAIT4 15 // 等待进程退出
#define SYS_EXIT 16 // 进程退出
#define SYS_MKDIR 17 // 创建文件夹
#define SYS_NANOSLEEP 18 // 纳秒级休眠
#define SYS_CLOCK 19 // 获取当前cpu时间
#define SYS_PIPE 20
#define SYS_MSTAT 21 // 获取系统的内存状态信息
#define SYS_UNLINK_AT 22 // 删除文件夹/删除文件链接
#define SYS_KILL 23 // kill一个进程(向这个进程发出信号)
#define SYS_SIGACTION 24 // 设置进程的信号处理动作
#define SYS_RT_SIGRETURN 25 // 从信号处理函数返回
#define SYS_GETPID 26 // 获取当前进程的pid进程标识符
#define SYS_DUP 28
#define SYS_DUP2 29
/**
* @brief 用户态系统调用函数
*
* @param syscall_id
* @param arg0
* @param arg1
* @param arg2
* @param arg3
* @param arg4
* @param arg5
* @param arg6
* @param arg7
* @return long
*/
long syscall_invoke(uint64_t syscall_id, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4,
uint64_t arg5, uint64_t arg6, uint64_t arg7);