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Theodosius/dependencies/asmjit/core/emitterutils_p.h

110 lines
3.3 KiB

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