Function init [src]

Prototype

pub fn init(first_address: ?usize, fp: ?usize) StackIterator

Parameters

first_address: ?usizefp: ?usize

Source

  pub fn init(first_address: ?usize, fp: ?usize) StackIterator {
    if (native_arch.isSPARC()) {
        // Flush all the register windows on stack.
        asm volatile (if (std.Target.sparc.featureSetHas(builtin.cpu.features, .v9))
                "flushw"
            else
                "ta 3" // ST_FLUSH_WINDOWS
            ::: "memory");
    }

    return StackIterator{
        .first_address = first_address,
        // TODO: this is a workaround for #16876
        //.fp = fp orelse @frameAddress(),
        .fp = fp orelse blk: {
            const fa = @frameAddress();
            break :blk fa;
        },
    };
}  