mirror of
https://github.com/luau-lang/luau.git
synced 2025-01-20 17:58:07 +00:00
38 lines
925 B
C++
38 lines
925 B
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
|
|
#pragma once
|
|
|
|
#include "Luau/Label.h"
|
|
|
|
namespace Luau
|
|
{
|
|
namespace CodeGen
|
|
{
|
|
|
|
constexpr unsigned kTValueSizeLog2 = 4;
|
|
constexpr unsigned kLuaNodeSizeLog2 = 5;
|
|
|
|
// TKey.tt and TKey.next are packed together in a bitfield
|
|
constexpr unsigned kOffsetOfTKeyTagNext = 12; // offsetof cannot be used on a bit field
|
|
constexpr unsigned kTKeyTagBits = 4;
|
|
constexpr unsigned kTKeyTagMask = (1 << kTKeyTagBits) - 1;
|
|
|
|
constexpr unsigned kOffsetOfInstructionC = 3;
|
|
|
|
// Leaf functions that are placed in every module to perform common instruction sequences
|
|
struct ModuleHelpers
|
|
{
|
|
// A64/X64
|
|
Label exitContinueVm;
|
|
Label exitNoContinueVm;
|
|
Label return_;
|
|
Label interrupt;
|
|
|
|
// X64
|
|
Label continueCallInVm;
|
|
|
|
// A64
|
|
Label reentry; // x0: closure
|
|
};
|
|
|
|
} // namespace CodeGen
|
|
} // namespace Luau
|