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Diffstat (limited to 'client/asmjit/core/assembler.cpp')
| -rw-r--r-- | client/asmjit/core/assembler.cpp | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/client/asmjit/core/assembler.cpp b/client/asmjit/core/assembler.cpp deleted file mode 100644 index 08ca973..0000000 --- a/client/asmjit/core/assembler.cpp +++ /dev/null @@ -1,403 +0,0 @@ -// 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. - -#include "../core/api-build_p.h" -#include "../core/assembler.h" -#include "../core/codebufferwriter_p.h" -#include "../core/constpool.h" -#include "../core/emitterutils_p.h" -#include "../core/formatter.h" -#include "../core/logger.h" -#include "../core/support.h" - -ASMJIT_BEGIN_NAMESPACE - -// ============================================================================ -// [asmjit::BaseAssembler - Construction / Destruction] -// ============================================================================ - -BaseAssembler::BaseAssembler() noexcept - : BaseEmitter(kTypeAssembler), - _section(nullptr), - _bufferData(nullptr), - _bufferEnd(nullptr), - _bufferPtr(nullptr) {} -BaseAssembler::~BaseAssembler() noexcept {} - -// ============================================================================ -// [asmjit::BaseAssembler - Buffer Management] -// ============================================================================ - -Error BaseAssembler::setOffset(size_t offset) { - if (ASMJIT_UNLIKELY(!_code)) - return reportError(DebugUtils::errored(kErrorNotInitialized)); - - size_t size = Support::max<size_t>(_section->bufferSize(), this->offset()); - if (ASMJIT_UNLIKELY(offset > size)) - return reportError(DebugUtils::errored(kErrorInvalidArgument)); - - _bufferPtr = _bufferData + offset; - return kErrorOk; -} - -// ============================================================================ -// [asmjit::BaseAssembler - Section Management] -// ============================================================================ - -static void BaseAssembler_initSection(BaseAssembler* self, Section* section) noexcept { - uint8_t* p = section->_buffer._data; - - self->_section = section; - self->_bufferData = p; - self->_bufferPtr = p + section->_buffer._size; - self->_bufferEnd = p + section->_buffer._capacity; -} - -Error BaseAssembler::section(Section* section) { - if (ASMJIT_UNLIKELY(!_code)) - return reportError(DebugUtils::errored(kErrorNotInitialized)); - - if (!_code->isSectionValid(section->id()) || _code->_sections[section->id()] != section) - return reportError(DebugUtils::errored(kErrorInvalidSection)); - -#ifndef ASMJIT_NO_LOGGING - if (_logger) - _logger->logf(".section %s {#%u}\n", section->name(), section->id()); -#endif - - BaseAssembler_initSection(this, section); - return kErrorOk; -} - -// ============================================================================ -// [asmjit::BaseAssembler - Label Management] -// ============================================================================ - -Label BaseAssembler::newLabel() { - uint32_t labelId = Globals::kInvalidId; - if (ASMJIT_LIKELY(_code)) { - LabelEntry* le; - Error err = _code->newLabelEntry(&le); - if (ASMJIT_UNLIKELY(err)) - reportError(err); - else - labelId = le->id(); - } - return Label(labelId); -} - -Label BaseAssembler::newNamedLabel(const char* name, size_t nameSize, uint32_t type, uint32_t parentId) { - uint32_t labelId = Globals::kInvalidId; - if (ASMJIT_LIKELY(_code)) { - LabelEntry* le; - Error err = _code->newNamedLabelEntry(&le, name, nameSize, type, parentId); - if (ASMJIT_UNLIKELY(err)) - reportError(err); - else - labelId = le->id(); - } - return Label(labelId); -} - -Error BaseAssembler::bind(const Label& label) { - if (ASMJIT_UNLIKELY(!_code)) - return reportError(DebugUtils::errored(kErrorNotInitialized)); - - Error err = _code->bindLabel(label, _section->id(), offset()); - -#ifndef ASMJIT_NO_LOGGING - if (_logger) - EmitterUtils::logLabelBound(this, label); -#endif - - resetInlineComment(); - if (err) - return reportError(err); - - return kErrorOk; -} - -// ============================================================================ -// [asmjit::BaseAssembler - Embed] -// ============================================================================ - -#ifndef ASMJIT_NO_LOGGING -struct DataSizeByPower { - char str[4]; -}; - -static const DataSizeByPower dataSizeByPowerTable[] = { - { "db" }, - { "dw" }, - { "dd" }, - { "dq" } -}; -#endif - -Error BaseAssembler::embed(const void* data, size_t dataSize) { - if (ASMJIT_UNLIKELY(!_code)) - return reportError(DebugUtils::errored(kErrorNotInitialized)); - - if (dataSize == 0) - return kErrorOk; - - CodeBufferWriter writer(this); - ASMJIT_PROPAGATE(writer.ensureSpace(this, dataSize)); - - writer.emitData(data, dataSize); - -#ifndef ASMJIT_NO_LOGGING - if (_logger) - _logger->logBinary(data, dataSize); -#endif - - writer.done(this); - return kErrorOk; -} - -Error BaseAssembler::embedDataArray(uint32_t typeId, const void* data, size_t itemCcount, size_t repeatCount) { - uint32_t deabstractDelta = Type::deabstractDeltaOfSize(registerSize()); - uint32_t finalTypeId = Type::deabstract(typeId, deabstractDelta); - - if (ASMJIT_UNLIKELY(!Type::isValid(finalTypeId))) - return reportError(DebugUtils::errored(kErrorInvalidArgument)); - - if (itemCcount == 0 || repeatCount == 0) - return kErrorOk; - - uint32_t typeSize = Type::sizeOf(finalTypeId); - Support::FastUInt8 of = 0; - - size_t dataSize = Support::mulOverflow(itemCcount, size_t(typeSize), &of); - size_t totalSize = Support::mulOverflow(dataSize, repeatCount, &of); - - if (ASMJIT_UNLIKELY(of)) - return reportError(DebugUtils::errored(kErrorOutOfMemory)); - - CodeBufferWriter writer(this); - ASMJIT_PROPAGATE(writer.ensureSpace(this, totalSize)); - -#ifndef ASMJIT_NO_LOGGING - const uint8_t* start = writer.cursor(); -#endif - - for (size_t i = 0; i < repeatCount; i++) { - writer.emitData(data, dataSize); - } - -#ifndef ASMJIT_NO_LOGGING - if (_logger) - _logger->logBinary(start, totalSize); -#endif - - writer.done(this); - return kErrorOk; -} - -Error BaseAssembler::embedConstPool(const Label& label, const ConstPool& pool) { - if (ASMJIT_UNLIKELY(!_code)) - return reportError(DebugUtils::errored(kErrorNotInitialized)); - - if (ASMJIT_UNLIKELY(!isLabelValid(label))) - return reportError(DebugUtils::errored(kErrorInvalidLabel)); - - ASMJIT_PROPAGATE(align(kAlignData, uint32_t(pool.alignment()))); - ASMJIT_PROPAGATE(bind(label)); - - size_t size = pool.size(); - CodeBufferWriter writer(this); - ASMJIT_PROPAGATE(writer.ensureSpace(this, size)); - - pool.fill(writer.cursor()); - -#ifndef ASMJIT_NO_LOGGING - if (_logger) - _logger->logBinary(writer.cursor(), size); -#endif - - writer.advance(size); - writer.done(this); - - return kErrorOk; -} - -Error BaseAssembler::embedLabel(const Label& label, size_t dataSize) { - if (ASMJIT_UNLIKELY(!_code)) - return reportError(DebugUtils::errored(kErrorNotInitialized)); - - ASMJIT_ASSERT(_code != nullptr); - RelocEntry* re; - LabelEntry* le = _code->labelEntry(label); - - if (ASMJIT_UNLIKELY(!le)) - return reportError(DebugUtils::errored(kErrorInvalidLabel)); - - if (dataSize == 0) - dataSize = registerSize(); - - if (ASMJIT_UNLIKELY(!Support::isPowerOf2(dataSize) || dataSize > 8)) - return reportError(DebugUtils::errored(kErrorInvalidOperandSize)); - - CodeBufferWriter writer(this); - ASMJIT_PROPAGATE(writer.ensureSpace(this, dataSize)); - -#ifndef ASMJIT_NO_LOGGING - if (_logger) { - StringTmp<256> sb; - sb.appendFormat("%s ", dataSizeByPowerTable[Support::ctz(dataSize)].str); - Formatter::formatLabel(sb, 0, this, label.id()); - sb.append('\n'); - _logger->log(sb); - } -#endif - - Error err = _code->newRelocEntry(&re, RelocEntry::kTypeRelToAbs, uint32_t(dataSize)); - if (ASMJIT_UNLIKELY(err)) - return reportError(err); - - re->_sourceSectionId = _section->id(); - re->_sourceOffset = offset(); - - if (le->isBound()) { - re->_targetSectionId = le->section()->id(); - re->_payload = le->offset(); - } - else { - LabelLink* link = _code->newLabelLink(le, _section->id(), offset(), 0); - if (ASMJIT_UNLIKELY(!link)) - return reportError(DebugUtils::errored(kErrorOutOfMemory)); - link->relocId = re->id(); - } - - // Emit dummy DWORD/QWORD depending on the data size. - writer.emitZeros(dataSize); - writer.done(this); - - return kErrorOk; -} - -Error BaseAssembler::embedLabelDelta(const Label& label, const Label& base, size_t dataSize) { - if (ASMJIT_UNLIKELY(!_code)) - return reportError(DebugUtils::errored(kErrorNotInitialized)); - - LabelEntry* labelEntry = _code->labelEntry(label); - LabelEntry* baseEntry = _code->labelEntry(base); - - if (ASMJIT_UNLIKELY(!labelEntry || !baseEntry)) - return reportError(DebugUtils::errored(kErrorInvalidLabel)); - - if (dataSize == 0) - dataSize = registerSize(); - - if (ASMJIT_UNLIKELY(!Support::isPowerOf2(dataSize) || dataSize > 8)) - return reportError(DebugUtils::errored(kErrorInvalidOperandSize)); - - CodeBufferWriter writer(this); - ASMJIT_PROPAGATE(writer.ensureSpace(this, dataSize)); - -#ifndef ASMJIT_NO_LOGGING - if (_logger) { - StringTmp<256> sb; - sb.appendFormat(".%s (", dataSizeByPowerTable[Support::ctz(dataSize)].str); - Formatter::formatLabel(sb, 0, this, label.id()); - sb.append(" - "); - Formatter::formatLabel(sb, 0, this, base.id()); - sb.append(")\n"); - _logger->log(sb); - } -#endif - - // If both labels are bound within the same section it means the delta can be calculated now. - if (labelEntry->isBound() && baseEntry->isBound() && labelEntry->section() == baseEntry->section()) { - uint64_t delta = labelEntry->offset() - baseEntry->offset(); - writer.emitValueLE(delta, dataSize); - } - else { - RelocEntry* re; - Error err = _code->newRelocEntry(&re, RelocEntry::kTypeExpression, uint32_t(dataSize)); - if (ASMJIT_UNLIKELY(err)) - return reportError(err); - - Expression* exp = _code->_zone.newT<Expression>(); - if (ASMJIT_UNLIKELY(!exp)) - return reportError(DebugUtils::errored(kErrorOutOfMemory)); - - exp->reset(); - exp->opType = Expression::kOpSub; - exp->setValueAsLabel(0, labelEntry); - exp->setValueAsLabel(1, baseEntry); - - re->_sourceSectionId = _section->id(); - re->_sourceOffset = offset(); - re->_payload = (uint64_t)(uintptr_t)exp; - - writer.emitZeros(dataSize); - } - - writer.done(this); - return kErrorOk; -} - -// ============================================================================ -// [asmjit::BaseAssembler - Comment] -// ============================================================================ - -Error BaseAssembler::comment(const char* data, size_t size) { - if (ASMJIT_UNLIKELY(!_code)) - return reportError(DebugUtils::errored(kErrorNotInitialized)); - -#ifndef ASMJIT_NO_LOGGING - if (_logger) { - _logger->log(data, size); - _logger->log("\n", 1); - return kErrorOk; - } -#else - DebugUtils::unused(data, size); -#endif - - return kErrorOk; -} - -// ============================================================================ -// [asmjit::BaseAssembler - Events] -// ============================================================================ - -Error BaseAssembler::onAttach(CodeHolder* code) noexcept { - ASMJIT_PROPAGATE(Base::onAttach(code)); - - // Attach to the end of the .text section. - BaseAssembler_initSection(this, code->_sections[0]); - - return kErrorOk; -} - -Error BaseAssembler::onDetach(CodeHolder* code) noexcept { - _section = nullptr; - _bufferData = nullptr; - _bufferEnd = nullptr; - _bufferPtr = nullptr; - return Base::onDetach(code); -} - -ASMJIT_END_NAMESPACE |