libmwemu 0.25.4

x86 32/64bits and system internals emulator, for securely emulating malware and other stuff.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

use crate::color;
use crate::emu::Emu;
use crate::engine::instructions::avx;
use iced_x86::Instruction;
// VINSERTI128 dest(ymm), src1(ymm), src2(xmm/m128), imm8[0]: replace one 128-bit lane.
pub fn execute(emu: &mut Emu, ins: &Instruction, _s: usize, _r: bool) -> bool {
    emu.show_instruction(
        color!("Cyan"),
        &crate::emu::decoded_instruction::DecodedInstruction::X86(*ins),
    );
    let (lo, hi) = avx::to_pair(
        emu.get_operand_ymm_value_256(ins, 1, true)
            .unwrap_or(crate::arch::x86::regs::U256::from(0)),
    );
    let ins128 = emu.get_operand_xmm_value_128(ins, 2, true).unwrap_or(0);
    let imm = emu.get_operand_value(ins, 3, true).unwrap_or(0);
    let (nlo, nhi) = if imm & 1 != 0 {
        (lo, ins128)
    } else {
        (ins128, hi)
    };
    emu.set_operand_ymm_value_256(ins, 0, avx::from_pair(nlo, nhi));
    true
}