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#include <vmprofiler.hpp>
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namespace vm
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{
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namespace calc_jmp
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{
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bool get( const zydis_routine_t &vm_entry, zydis_routine_t &calc_jmp )
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{
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auto result =
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std::find_if( vm_entry.begin(), vm_entry.end(), []( const zydis_instr_t &instr_data ) -> bool {
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// mov/movsx/movzx rax/eax/ax/al, [rsi]
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if ( instr_data.instr.operand_count > 1 &&
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( instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOV ||
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instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVSX ||
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instr_data.instr.mnemonic == ZYDIS_MNEMONIC_MOVZX ) &&
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instr_data.instr.operands[ 0 ].type == ZYDIS_OPERAND_TYPE_REGISTER &&
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util::reg::to64( instr_data.instr.operands[ 0 ].reg.value ) == ZYDIS_REGISTER_RAX &&
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instr_data.instr.operands[ 1 ].type == ZYDIS_OPERAND_TYPE_MEMORY &&
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instr_data.instr.operands[ 1 ].mem.base == ZYDIS_REGISTER_RSI )
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return true;
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return false;
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} );
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if ( result == vm_entry.end() )
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return false;
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calc_jmp.insert( calc_jmp.end(), result, vm_entry.end() );
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return true;
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}
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} // namespace calc_jmp
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} // namespace vm
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