Zig 0.17.0-dev (Split by item)

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syscall7

mips.syscall7

pub fn syscall7(
    number: SYS,
    arg1: syscall_arg_t,
    arg2: syscall_arg_t,
    arg3: syscall_arg_t,
    arg4: syscall_arg_t,
    arg5: syscall_arg_t,
    arg6: syscall_arg_t,
    arg7: syscall_arg_t,
) u32

File

lib/std/os/linux/mips.zig:157

Code

pub fn syscall7(
    number: SYS,
    arg1: syscall_arg_t,
    arg2: syscall_arg_t,
    arg3: syscall_arg_t,
    arg4: syscall_arg_t,
    arg5: syscall_arg_t,
    arg6: syscall_arg_t,
    arg7: syscall_arg_t,
) u32 {
    return asm volatile (
        \\ subu $sp, $sp, 32
        \\ sw %[arg5], 16($sp)
        \\ sw %[arg6], 20($sp)
        \\ sw %[arg7], 24($sp)
        \\ syscall
        \\ addu $sp, $sp, 32
        \\ beq $a3, $zero, 1f
        \\ blez $v0, 1f
        \\ subu $v0, $zero, $v0
        \\1:
        : [ret] "={$2}" (-> u32),
        : [number] "{$2}" (@backingInt(number)),
          [arg1] "{$4}" (arg1),
          [arg2] "{$5}" (arg2),
          [arg3] "{$6}" (arg3),
          [arg4] "{$7}" (arg4),
          [arg5] "r" (arg5),
          [arg6] "r" (arg6),
          [arg7] "r" (arg7),
        : .{ .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 });
}