Zig 0.17.0-dev (Split by item)

This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig library itself.

clone

x32.clone

pub fn clone() callconv(.naked) u32

File

lib/std/os/linux/x32.zig:126

Code

pub fn clone() callconv(.naked) u32 {
    asm volatile (
        \\      movl $0x40000038,%%eax // SYS_clone
        \\      mov %%rdi,%%r11
        \\      mov %%rdx,%%rdi
        \\      mov %%r8,%%rdx
        \\      mov %%r9,%%r8
        \\      mov 8(%%rsp),%%r10d
        \\      mov %%r11,%%r9
        \\      and $-16,%%rsi
        \\      sub $8,%%rsi
        \\      mov %%rcx,(%%rsi)
        \\      syscall
        \\      test %%eax,%%eax
        \\      jz 1f
        \\      ret
        \\
        \\1:
    );
    if (builtin.unwind_tables != .none or !builtin.strip_debug_info) asm volatile (
        \\      .cfi_undefined %%rip
    );
    asm volatile (
        \\      xor %%ebp,%%ebp
        \\
        \\      pop %%rdi
        \\      call *%%r9
        \\      mov %%eax,%%edi
        \\      movl $0x4000003c,%%eax // SYS_exit
        \\      syscall
        \\
    );
}