libmwemu 0.24.5

x86 32/64bits and system internals emulator, for securely emulating malware and other stuff.
Documentation 
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use crate::emu;

pub fn FlsGetValue(emu: &mut emu::Emu) {
    let idx = emu
        .maps
        .read_dword(emu.regs().get_esp())
        .expect("kernel32!FlsGetValue cannot read idx");

    emu.stack_pop32(false);

    if idx as usize > emu.fls().len() {
        emu.regs_mut().rax = 0;
    } else {
        emu.regs_mut().rax = emu.fls_mut()[idx as usize] as u64;
    }

    log_red!(
        emu,
        "kernel32!FlsGetValue idx: {} =0x{:x}",
        idx,
        emu.regs().get_eax() as u32
    );
}