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