vmlifters.hpp

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#include <vmp2.hpp>
#include <vmprofiles.hpp>
#include <vtil/vtil>
 
namespace vm::lifters
{
    using lifter_callback_t = std::function< void( vtil::basic_block *, vm::instrs::virt_instr_t *, vmp2::v3::code_block_t* ) >;
    using lifter_t = std::pair< vm::handler::mnemonic_t, lifter_callback_t >;
 
    // taken from
    // https://github.com/can1357/NoVmp/blob/6c23c9a335f70e8d5ed6299668fd802f2314c896/NoVmp/vmprotect/il2vtil.cpp#L66
    inline constexpr vtil::register_desc make_virtual_register( uint8_t context_offset, uint8_t size )
    {
        fassert( ( ( context_offset & 7 ) + size ) <= 8 && size );
 
        return { vtil::register_virtual, ( size_t )context_offset / 8, size * 8, ( context_offset % 8 ) * 8 };
    }
 
    extern vm::lifters::lifter_t lregq, lregdw;
    extern vm::lifters::lifter_t addq, adddw, addw;
    extern vm::lifters::lifter_t sregq, sregdw, sregw;
    extern vm::lifters::lifter_t lconstq, lconstdw, lconstw, lconstbzxw, lconstbsxdw, lconstbsxq, lconstdwsxq,
        lconstwsxq, lconstwsxdw;
    extern vm::lifters::lifter_t nandq, nanddw, nandw;
    extern vm::lifters::lifter_t readq, readdw, readw;
    extern vm::lifters::lifter_t shrq, shrw;
 
    extern vm::lifters::lifter_t jmp;
    extern vm::lifters::lifter_t vmexit;
    extern vm::lifters::lifter_t pushvsp;
    extern vm::lifters::lifter_t lrflags;
    extern vm::lifters::lifter_t lvsp;
 
    inline std::vector< vm::lifters::lifter_t * > all = {
        // lreg lifters...
        &lregq, &lregdw,
 
        // add lifters...
        &addq, &adddw, &addw,
 
        // sreg lifters...
        &sregq, &sregdw, &sregw,
 
        // lconst lifters...
        &lconstq, &lconstdw, &lconstw, &lconstbzxw, &lconstbsxdw, &lconstbsxq, &lconstdwsxq, &lconstwsxq, &lconstwsxdw,
 
        // nand lifters...
        &nandq, &nanddw, &nandw,
 
        // read lifters....
        &readq, &readdw, &readw,
 
        // shr lifters...
        &shrq, &shrw,
 
        // pushvsp lifter...
        &pushvsp,
 
        // jmp lifter...
        &jmp,
 
        // lflags lifter...
        &lrflags,
 
        // lvsp lifter...
        &lvsp,
 
        // vmexit lifter...
        &vmexit };
} // namespace vm::lifters