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110 lines
3.3 KiB
110 lines
3.3 KiB
4 years ago
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// AsmJit - Machine code generation for C++
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//
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// * Official AsmJit Home Page: https://asmjit.com
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// * Official Github Repository: https://github.com/asmjit/asmjit
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//
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// Copyright (c) 2008-2020 The AsmJit Authors
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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#ifndef ASMJIT_CORE_EMITTERUTILS_P_H_INCLUDED
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#define ASMJIT_CORE_EMITTERUTILS_P_H_INCLUDED
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#include "../core/emitter.h"
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#include "../core/operand.h"
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ASMJIT_BEGIN_NAMESPACE
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class BaseAssembler;
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//! \cond INTERNAL
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//! \addtogroup asmjit_core
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//! \{
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// ============================================================================
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// [asmjit::EmitterUtils]
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// ============================================================================
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namespace EmitterUtils {
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static const Operand_ noExt[3] {};
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enum kOpIndex {
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kOp3 = 0,
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kOp4 = 1,
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kOp5 = 2
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};
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static ASMJIT_INLINE uint32_t opCountFromEmitArgs(const Operand_& o0, const Operand_& o1, const Operand_& o2, const Operand_* opExt) noexcept {
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uint32_t opCount = 0;
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if (opExt[kOp3].isNone()) {
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if (!o0.isNone()) opCount = 1;
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if (!o1.isNone()) opCount = 2;
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if (!o2.isNone()) opCount = 3;
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}
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else {
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opCount = 4;
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if (!opExt[kOp4].isNone()) {
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opCount = 5 + uint32_t(!opExt[kOp5].isNone());
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}
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}
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return opCount;
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}
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static ASMJIT_INLINE void opArrayFromEmitArgs(Operand_ dst[Globals::kMaxOpCount], const Operand_& o0, const Operand_& o1, const Operand_& o2, const Operand_* opExt) noexcept {
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dst[0].copyFrom(o0);
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dst[1].copyFrom(o1);
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dst[2].copyFrom(o2);
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dst[3].copyFrom(opExt[kOp3]);
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dst[4].copyFrom(opExt[kOp4]);
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dst[5].copyFrom(opExt[kOp5]);
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}
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#ifndef ASMJIT_NO_LOGGING
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enum : uint32_t {
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// Has to be big to be able to hold all metadata compiler can assign to a
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// single instruction.
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kMaxInstLineSize = 44,
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kMaxBinarySize = 26
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};
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Error formatLine(String& sb, const uint8_t* binData, size_t binSize, size_t dispSize, size_t immSize, const char* comment) noexcept;
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void logLabelBound(BaseAssembler* self, const Label& label) noexcept;
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void logInstructionEmitted(
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BaseAssembler* self,
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uint32_t instId, uint32_t options, const Operand_& o0, const Operand_& o1, const Operand_& o2, const Operand_* opExt,
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uint32_t relSize, uint32_t immSize, uint8_t* afterCursor);
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Error logInstructionFailed(
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BaseAssembler* self,
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Error err, uint32_t instId, uint32_t options, const Operand_& o0, const Operand_& o1, const Operand_& o2, const Operand_* opExt);
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#endif
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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_EMITTERUTILS_P_H_INCLUDED
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