Zig 0.17.0-dev (Split by item)

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syscall4

mips64.syscall4

pub fn syscall4(
    number: SYS,
    arg1: syscall_arg_t,
    arg2: syscall_arg_t,
    arg3: syscall_arg_t,
    arg4: syscall_arg_t,
) u64

File

lib/std/os/linux/mips64.zig:75

Code

pub fn syscall4(
    number: SYS,
    arg1: syscall_arg_t,
    arg2: syscall_arg_t,
    arg3: syscall_arg_t,
    arg4: syscall_arg_t,
) u64 {
    return asm volatile (
        \\ syscall
        \\ beq $a3, $zero, 1f
        \\ blez $v0, 1f
        \\ dsubu $v0, $zero, $v0
        \\1:
        : [ret] "={$2}" (-> u64),
        : [number] "{$2}" (@backingInt(number)),
          [arg1] "{$4}" (arg1),
          [arg2] "{$5}" (arg2),
          [arg3] "{$6}" (arg3),
          [arg4] "{$7}" (arg4),
        : .{ .r1 = true, .r3 = true, .r8 = true, .r9 = true, .r10 = true, .r11 = true, .r12 = true, .r13 = true, .r14 = true, .r15 = true, .r24 = true, .r25 = true, .hi = true, .lo = true, .memory = true });
}