jak-project/decompiler/util/StackSpillMap.h

40 lines
1.0 KiB
C++

#pragma once
#include <string>
#include <unordered_map>
#include <vector>
namespace decompiler {
/*!
* Memory on the stack used to spill a register.
* This just has a size/is_signed? and doesn't know anything about types.
*/
struct StackSpillSlot {
int offset = -1; // relative to sp
int size = -1; // bytes
bool is_signed = false; // set to false for quadwords/doublewords
bool operator==(const StackSpillSlot& other) const {
return offset == other.offset && size == other.size && is_signed == other.is_signed;
}
bool operator!=(const StackSpillSlot& other) const { return !((*this) == other); }
std::string print() const;
};
/*!
* Map of StackSpillSlots for a function.
*/
class StackSpillMap {
public:
void add_access(const StackSpillSlot& access);
void finalize();
const StackSpillSlot& lookup(int offset) const;
int size() const;
const std::unordered_map<int, StackSpillSlot>& map() const { return m_slot_map; }
private:
std::unordered_map<int, StackSpillSlot> m_slot_map;
};
} // namespace decompiler