luau/CodeGen/include/Luau/UnwindBuilder.h

39 lines
974 B
C
Raw Normal View History

// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once
#include "Luau/RegisterX64.h"
#include <stddef.h>
#include <stdint.h>
namespace Luau
{
namespace CodeGen
{
class UnwindBuilder
{
public:
virtual ~UnwindBuilder() = default;
virtual void setBeginOffset(size_t beginOffset) = 0;
virtual size_t getBeginOffset() const = 0;
virtual void start() = 0;
virtual void spill(int espOffset, RegisterX64 reg) = 0;
virtual void save(RegisterX64 reg) = 0;
virtual void allocStack(int size) = 0;
virtual void setupFrameReg(RegisterX64 reg, int espOffset) = 0;
virtual void finish() = 0;
virtual size_t getSize() const = 0;
// This will place the unwinding data at the target address and might update values of some fields
virtual void finalize(char* target, void* funcAddress, size_t funcSize) const = 0;
};
} // namespace CodeGen
} // namespace Luau