59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
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// This file is part of AsmJit project <https://asmjit.com>
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//
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// See asmjit.h or LICENSE.md for license and copyright information
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// SPDX-License-Identifier: Zlib
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#ifndef ASMJIT_CORE_EMITHELPER_P_H_INCLUDED
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#define ASMJIT_CORE_EMITHELPER_P_H_INCLUDED
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#include "../core/emitter.h"
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#include "../core/operand.h"
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#include "../core/type.h"
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ASMJIT_BEGIN_NAMESPACE
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//! \cond INTERNAL
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//! \addtogroup asmjit_core
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//! \{
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//! Helper class that provides utilities for each supported architecture.
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class BaseEmitHelper {
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public:
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BaseEmitter* _emitter;
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inline explicit BaseEmitHelper(BaseEmitter* emitter = nullptr) noexcept
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: _emitter(emitter) {}
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inline BaseEmitter* emitter() const noexcept { return _emitter; }
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inline void setEmitter(BaseEmitter* emitter) noexcept { _emitter = emitter; }
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//! Emits a pure move operation between two registers or the same type or between a register and its home
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//! slot. This function does not handle register conversion.
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virtual Error emitRegMove(
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const Operand_& dst_,
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const Operand_& src_, TypeId typeId, const char* comment = nullptr) = 0;
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//! Emits swap between two registers.
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virtual Error emitRegSwap(
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const BaseReg& a,
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const BaseReg& b, const char* comment = nullptr) = 0;
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//! Emits move from a function argument (either register or stack) to a register.
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//!
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//! This function can handle the necessary conversion from one argument to another, and from one register type
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//! to another, if it's possible. Any attempt of conversion that requires third register of a different group
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//! (for example conversion from K to MMX on X86/X64) will fail.
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virtual Error emitArgMove(
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const BaseReg& dst_, TypeId dstTypeId,
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const Operand_& src_, TypeId srcTypeId, const char* comment = nullptr) = 0;
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Error emitArgsAssignment(const FuncFrame& frame, const FuncArgsAssignment& args);
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};
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//! \}
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//! \endcond
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ASMJIT_END_NAMESPACE
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#endif // ASMJIT_CORE_EMITHELPER_P_H_INCLUDED
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