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Assembler.cpp
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Assembler.cpp
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#include "Assembler.hpp"
namespace as {
void push(std::ostream& out, int num) {
out << "pushl\t$" << patch::to_string(num) << std::endl;
}
void push(std::ostream& out, Pointer ptr) {
out << "pushl\t" << Register.at(ptr) << std::endl;
}
void push(std::ostream& out, Accu accu) {
out << "pushl\t" << Register.at(accu) << std::endl;
}
void push(std::ostream& out, Pointer ptr, int offset) {
out << "pushl\t" << addrOf(ptr, offset) << std::endl;
}
void push(std::ostream& out, const std::string& label) {
out << "pushl\t" << label << std::endl;
}
void pop(std::ostream& out, Accu accu) {
out << "popl\t" << Register.at(accu) << std::endl;
}
void pop(std::ostream& out, Pointer ptr) {
out << "popl\t" << Register.at(ptr) << std::endl;
}
void move(std::ostream& out, int num, Accu accu) {
out << "movl\t$" << patch::to_string(num) << ", " << Register.at(accu) << std::endl;
}
void move(std::ostream& out, int num, Pointer ptr, int offset) {
out << "movl\t$" << patch::to_string(num) << ", " << addrOf(ptr, offset) << std::endl;
}
void move(std::ostream& out, Accu a1, Accu a2) {
out << "movl\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void move(std::ostream& out, Pointer ptr1, Pointer ptr2) {
out << "movl\t" << Register.at(ptr1) << ", " << Register.at(ptr2) << std::endl;
}
void move(std::ostream& out, Accu accu, Pointer ptr, int offset) {
out << "movl\t" << Register.at(accu) << ", " << addrOf(ptr, offset) << std::endl;
}
void move(std::ostream& out, Pointer ptr, int offset, Accu accu) {
out << "movl\t" << addrOf(ptr, offset) << ", " << Register.at(accu) << std::endl;
}
void add(std::ostream& out, int num, Pointer ptr) {
out << "addl\t$" << patch::to_string(num) << ", " << Register.at(ptr) << std::endl;
}
void add(std::ostream& out, int num, Pointer ptr, int offset) {
out << "addl\t$" << patch::to_string(num) << ", " << addrOf(ptr, offset) << std::endl;
}
void add(std::ostream& out, Pointer ptr, int offset, Accu accu) {
out << "addl\t" << addrOf(ptr, offset) << ", " << Register.at(accu) << std::endl;
}
void add(std::ostream& out, Accu accu, Pointer ptr, int offset) {
out << "addl\t" << Register.at(accu) << ", " << addrOf(ptr, offset) << std::endl;
}
void add(std::ostream& out, Accu a1, Accu a2) {
out << "addl\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void add(std::ostream& out, Pointer ptr, int offset) {
out << "addl\t$" << patch::to_string(offset) << ", " << Register.at(ptr) << std::endl;
}
void sub(std::ostream& out, int num, Pointer ptr) {
out << "subl\t$" << patch::to_string(num) << ", " << Register.at(ptr) << std::endl;
}
void sub(std::ostream& out, int num, Pointer ptr, int offset) {
out << "subl\t$" << patch::to_string(num) << ", " << addrOf(ptr, offset) << std::endl;
}
void sub(std::ostream& out, Pointer ptr, int offset, Accu accu) {
out << "subl\t" << addrOf(ptr, offset) << ", " << Register.at(accu) << std::endl;
}
void sub(std::ostream& out, Accu accu, Pointer ptr, int offset) {
out << "subl\t" << Register.at(accu) << ", " << addrOf(ptr, offset) << std::endl;
}
void sub(std::ostream& out, Accu a1, Accu a2) {
out << "subl\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void sub(std::ostream& out, Pointer ptr, int offset) {
out << "subl\t$" << patch::to_string(offset) << ", " << Register.at(ptr) << std::endl;
}
void mul(std::ostream& out, int num, Accu accu) {
out << "imull\t" << patch::to_string(num) << ", " << Register.at(accu) << std::endl;
}
void mul(std::ostream& out, int num, Pointer ptr, int offset) {
out << "imull\t" << patch::to_string(num) << ", " << addrOf(ptr, offset) << std::endl;
}
void mul(std::ostream& out, Accu a1, Accu a2) {
out << "imull\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void mul(std::ostream& out, Accu accu, Pointer ptr, int offset) {
out << "imull\t" << Register.at(accu) << ", " << addrOf(ptr, offset) << std::endl;
}
void mul(std::ostream& out, Pointer ptr, int offset, Accu accu) {
out << "imull\t" << addrOf(ptr, offset) << ", " << Register.at(accu) << std::endl;
}
void mul(std::ostream& out, Pointer ptr1, int offset1, Pointer ptr2, int offset2) {
out << "imull\t" << addrOf(ptr1, offset1) << ", " << addrOf(ptr2, offset2) << std::endl;
}
void div(std::ostream& out, Accu accu) {
out << "idiv\t" << Register.at(accu) << std::endl;
}
void neg(std::ostream& out, Accu accu) {
out << "negl\t" << Register.at(accu) << std::endl;
}
void neg(std::ostream& out, Pointer ptr, int offset) {
out << "negl\t" << addrOf(ptr, offset) << std::endl;
}
void call(std::ostream& out, const std::string& label) {
out << "call\t" << label << std::endl;
}
void ret(std::ostream& out) {
out << "ret" << std::endl;
}
void jump(std::ostream& out, const std::string& label) {
out << "jmp\t" << label << std::endl;
}
void jump(std::ostream& out, Flag flag, const std::string& label) {
std::string op = "j";
switch (flag) {
case Flag::Zero:
op += "z";
break;
case Flag::Equal:
op += "e";
break;
case Flag::NotEqual:
op += "ne";
break;
case Flag::Above:
op += "a";
break;
case Flag::AboveEq:
op += "ae";
break;
case Flag::Below:
op += "b";
break;
case Flag::BelowEq:
op += "be";
break;
case Flag::Overflow:
op += "o";
break;
case Flag::Carry:
op += "c";
break;
case Flag::NotCarry:
op += "nc";
break;
}
out << op << "\t\t" << label << std::endl;
}
void set(std::ostream& out, Flag flag, Accu accu) {
std::string op = "set";
switch (flag) {
case Flag::Zero:
op += "z";
break;
case Flag::Equal:
op += "e";
break;
case Flag::NotEqual:
op += "ne";
break;
case Flag::Above:
op += "a";
break;
case Flag::AboveEq:
op += "ae";
break;
case Flag::Below:
op += "b";
break;
case Flag::BelowEq:
op += "be";
break;
case Flag::Overflow:
op += "o";
break;
case Flag::Carry:
op += "c";
break;
case Flag::NotCarry:
op += "nc";
break;
}
out << op << " \t" << Register.at(accu) << std::endl;
}
void cmp(std::ostream& out, Accu a1, Accu a2) {
out << "cmpl\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void cmp(std::ostream& out, Accu accu, Pointer ptr, int offset) {
out << "cmpl\t" << Register.at(accu) << ", " << addrOf(ptr, offset) << std::endl;
}
void op_and(std::ostream& out, Accu a1, Accu a2) {
out << "and\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void op_and(std::ostream& out, Accu accu, Pointer ptr, int offset) {
out << "and\t" << Register.at(accu) << ", " << addrOf(ptr, offset) << std::endl;
}
void op_or(std::ostream& out, Accu a1, Accu a2) {
out << "or\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void op_or(std::ostream& out, Accu accu, Pointer ptr, int offset) {
out << "and\t" << Register.at(accu) << ", " << addrOf(ptr, offset) << std::endl;
}
void op_xor(std::ostream& out, Accu a1, Accu a2) {
out << "xor\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void op_xor(std::ostream& out, Accu accu, Pointer ptr, int offset) {
out << "and\t" << Register.at(accu) << ", " << addrOf(ptr, offset) << std::endl;
}
void op_not(std::ostream& out, Accu accu) {
out << "notl\t" << Register.at(accu) << std::endl;
}
void test(std::ostream& out, Accu a1, Accu a2) {
out << "testl\t" << Register.at(a1) << ", " << Register.at(a2) << std::endl;
}
void start(std::ostream& out) {
out << ".text\n"
<< ".globl _prog\n"
<< "_prog:\n" << std::endl;
push(out, EBP);
move(out, ESP, EBP);
out << std::endl;
}
void end(std::ostream& out) {
out << std::endl;
pop(out, EBP);
ret(out);
out << "\n\n.data" << std::endl;
}
}