devela/sys/os/linux/fns/syscalls/
x86_64.rs

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// devela::io::linux::fns::syscalls:x86_64
//
//!
//
// - https://arm64.syscall.sh/

use super::shared_docs::*;
use crate::{asm, c_int, c_uint, c_ulong, LinuxSigaction, LinuxTimespec, LINUX_SYS_X86_64 as SYS};

#[doc = SYS_EXIT!()]
pub unsafe fn linux_sys_exit(status: c_int) -> ! {
    unsafe {
        asm!(
            "mov rax, {EXIT}",
            "syscall",
            EXIT = const SYS::EXIT,
            in("rdi") status,
            options(noreturn)
        );
    }
}

#[doc = SYS_READ!()]
#[must_use]
pub unsafe fn linux_sys_read(fd: c_int, buf: *mut u8, count: usize) -> isize {
    let result;
    unsafe {
        asm!(
            "mov rax, {READ}",
            "syscall",
            READ = const SYS::READ,
            in("rdi") fd,
            in("rsi") buf,
            in("rdx") count,
            lateout("rax") result,
            lateout("rcx") _,
            lateout("r11") _,
            options(nostack)
        );
    }
    result
}

#[doc = SYS_WRITE!()]
#[must_use]
pub unsafe fn linux_sys_write(fd: c_int, buf: *const u8, count: usize) -> isize {
    let result;
    unsafe {
        asm!(
            "mov rax, {WRITE}",
            "syscall",
            WRITE = const SYS::WRITE,
            in("rdi") fd,
            in("rsi") buf,
            in("rdx") count,
            lateout("rax") result,
            lateout("rcx") _,
            lateout("r11") _,
            options(nostack)
        );
    }
    result
}

#[doc = SYS_NANOSLEEP!()]
#[must_use]
pub unsafe fn linux_sys_nanosleep(req: *const LinuxTimespec, rem: *mut LinuxTimespec) -> isize {
    let result;
    unsafe {
        asm!(
            "mov rax, {NANOSLEEP}",
            "syscall",
            NANOSLEEP = const SYS::NANOSLEEP,
            in("rdi") req,
            in("rsi") rem,
            lateout("rax") result,
            lateout("rcx") _,
            lateout("r11") _,
            options(nostack)
        );
    }
    result
}

#[doc = SYS_IOCTL!()]
#[must_use]
pub unsafe fn linux_sys_ioctl(fd: c_int, request: c_ulong, argp: *mut u8) -> isize {
    let result;
    unsafe {
        asm!(
            "mov rax, {IOCTL}",
            "syscall",
            IOCTL = const SYS::IOCTL,
            in("rdi") fd,
            in("rsi") request,
            in("rdx") argp,
            lateout("rax") result,
            lateout("rcx") _,
            lateout("r11") _,
            options(nostack)
        );
    }
    result
}

#[doc = SYS_GETRANDOM!()]
#[must_use]
pub unsafe fn linux_sys_getrandom(buffer: *mut u8, size: usize, flags: c_uint) -> isize {
    let result;
    unsafe {
        asm!(
            "mov rax, {GETRANDOM}",
            "syscall",
            GETRANDOM = const SYS::GETRANDOM,
            in("rdi") buffer,
            in("rsi") size,
            in("rdx") flags,
            lateout("rax") result,
            lateout("rcx") _,
            lateout("r11") _,
            options(nostack)
        );
    }
    result
}

#[doc = SYS_GETPID!()]
#[must_use]
pub unsafe fn linux_sys_getpid() -> i32 {
    let result: isize;
    unsafe {
        asm!(
            "mov rax, {GETPID}",
            "syscall",
            GETPID = const SYS::GETPID,
            lateout("rax") result,
            options(nostack)
        );
    }
    result as i32
}

#[doc = SYS_RT_SIGACTION!()]
#[must_use]
pub unsafe fn linux_sys_rt_sigaction(
    sig: c_int,
    act: *const LinuxSigaction,
    oact: *mut LinuxSigaction,
    sigsetsize: usize,
) -> isize {
    let result;
    unsafe {
        asm!(
            "mov rax, {RT_SIGACTION}",
            "syscall",
            RT_SIGACTION = const SYS::RT_SIGACTION,
            in("rdi") sig,
            in("rsi") act,
            in("rdx") oact,
            in("r10") sigsetsize,
            lateout("rax") result,
            lateout("rcx") _,
            lateout("r11") _,
            options(nostack)
        );
    }
    result
}