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33 lines
704 B
C++
33 lines
704 B
C++
#pragma once
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#include "../arm.h"
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#include <optional>
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namespace ARM {
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struct DecodedThumbInstr {
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// Equivalent ARM instruction, if any
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std::optional<ARM::ARMInstr> arm_equivalent;
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bool may_read_pc = false;
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bool may_modify_pc = false;
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DecodedThumbInstr& SetMayReadPC() {
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may_read_pc = true;
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return *this;
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}
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DecodedThumbInstr& SetMayModifyPC() {
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may_modify_pc = true;
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return *this;
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}
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};
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/**
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* Translates the given THUMB instruction to an equivalent ARM encoding.
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* If this is not possible, the caller is responsible for interpreting
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* the instruction manually.
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*/
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DecodedThumbInstr DecodeThumb(ARM::ThumbInstr);
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} // namespace ARM
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