asm/intel64/add.cpp


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#include "add.h"

#include "codes.h"

#include <asm/assembler.h>
#include <asm/operators.h>

using namespace std::string_literals;

Op_add::Op_add(AsmArgs& args)
{
 if (args[0].type() == typeid(AsmArgs::Register32) &&
     std::any_cast<AsmArgs::Register32>(args[0]).name() == "eax" &&
     args[1].type() == typeid(AsmArgs::Immediate32))
 { // add eax, imm32
  machine_code = std::vector<uint8_t>{ 0x05 } + std::any_cast<AsmArgs::Immediate32>(args[1]).getCode();
 } else if (args[0].type() == typeid(AsmArgs::Register64) &&
            std::any_cast<AsmArgs::Register64>(args[0]).name() == "rax"  &&
            args[1].type() == typeid(AsmArgs::Immediate32))
 { // add rax, imm32
  machine_code = REX("W") + std::vector<uint8_t>{ 0x05 } + std::any_cast<AsmArgs::Immediate32>(args[1]).getCode();
 } else {
  throw std::runtime_error("Unimplemented: add "s + args[0].type().name() + " "s + args[1].type().name());
 }
}

namespace {

bool registered {
 registerOp(mangleName<AsmArgs::Register32, AsmArgs::Immediate32>("add"), [](AsmArgs& args) -> std::shared_ptr<Op>{
                             return std::make_shared<Op_add>(args);
                             }) &&
 registerOp(mangleName<AsmArgs::Register64, AsmArgs::Immediate32>("add"), [](AsmArgs& args) -> std::shared_ptr<Op>{
                             return std::make_shared<Op_add>(args);
                             })
};

}