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 FlsSetValue(emu: &mut emu::Emu) {
    let idx = emu
        .maps
        .read_dword(emu.regs().get_esp())
        .expect("kernel32!FlsSetValue cannot read index");
    let val = emu
        .maps
        .read_dword(emu.regs().get_esp() + 4)
        .expect("kernel32!FlsSetValue cannot read value");

    log_red!(emu, "kernel32!FlsSetValue idx: {} val: {}", idx, val);

    if emu.fls().len() > idx as usize {
        emu.fls_mut()[idx as usize] = val;
    } else {
        for _ in 0..=idx {
            emu.fls_mut().push(0);
        }
        emu.fls_mut()[idx as usize] = val;
    }

    emu.stack_pop32(false);
    emu.stack_pop32(false);
    emu.regs_mut().rax = 1;
}