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Diffstat (limited to 'client/asmjit/core/emitterutils.cpp')
| -rw-r--r-- | client/asmjit/core/emitterutils.cpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/client/asmjit/core/emitterutils.cpp b/client/asmjit/core/emitterutils.cpp new file mode 100644 index 0000000..1115934 --- /dev/null +++ b/client/asmjit/core/emitterutils.cpp @@ -0,0 +1,150 @@ +// 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/emitterutils_p.h" +#include "../core/formatter.h" +#include "../core/logger.h" +#include "../core/support.h" + +ASMJIT_BEGIN_NAMESPACE + +// ============================================================================ +// [asmjit::EmitterUtils] +// ============================================================================ + +namespace EmitterUtils { + +#ifndef ASMJIT_NO_LOGGING + +Error formatLine(String& sb, const uint8_t* binData, size_t binSize, size_t dispSize, size_t immSize, const char* comment) noexcept { + size_t currentSize = sb.size(); + size_t commentSize = comment ? Support::strLen(comment, Globals::kMaxCommentSize) : 0; + + ASMJIT_ASSERT(binSize >= dispSize); + const size_t kNoBinSize = SIZE_MAX; + + if ((binSize != 0 && binSize != kNoBinSize) || commentSize) { + size_t align = kMaxInstLineSize; + char sep = ';'; + + for (size_t i = (binSize == kNoBinSize); i < 2; i++) { + size_t begin = sb.size(); + ASMJIT_PROPAGATE(sb.padEnd(align)); + + if (sep) { + ASMJIT_PROPAGATE(sb.append(sep)); + ASMJIT_PROPAGATE(sb.append(' ')); + } + + // Append binary data or comment. + if (i == 0) { + ASMJIT_PROPAGATE(sb.appendHex(binData, binSize - dispSize - immSize)); + ASMJIT_PROPAGATE(sb.appendChars('.', dispSize * 2)); + ASMJIT_PROPAGATE(sb.appendHex(binData + binSize - immSize, immSize)); + if (commentSize == 0) break; + } + else { + ASMJIT_PROPAGATE(sb.append(comment, commentSize)); + } + + currentSize += sb.size() - begin; + align += kMaxBinarySize; + sep = '|'; + } + } + + return sb.append('\n'); +} + +void logLabelBound(BaseAssembler* self, const Label& label) noexcept { + Logger* logger = self->logger(); + + StringTmp<512> sb; + size_t binSize = logger->hasFlag(FormatOptions::kFlagMachineCode) ? size_t(0) : SIZE_MAX; + + sb.appendChars(' ', logger->indentation(FormatOptions::kIndentationLabel)); + Formatter::formatLabel(sb, logger->flags(), self, label.id()); + sb.append(':'); + EmitterUtils::formatLine(sb, nullptr, binSize, 0, 0, self->_inlineComment); + logger->log(sb.data(), sb.size()); +} + +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) { + + Logger* logger = self->logger(); + ASMJIT_ASSERT(logger != nullptr); + + StringTmp<256> sb; + uint32_t flags = logger->flags(); + + uint8_t* beforeCursor = self->bufferPtr(); + intptr_t emittedSize = (intptr_t)(afterCursor - beforeCursor); + + Operand_ opArray[Globals::kMaxOpCount]; + EmitterUtils::opArrayFromEmitArgs(opArray, o0, o1, o2, opExt); + + sb.appendChars(' ', logger->indentation(FormatOptions::kIndentationCode)); + Formatter::formatInstruction(sb, flags, self, self->arch(), BaseInst(instId, options, self->extraReg()), opArray, Globals::kMaxOpCount); + + if ((flags & FormatOptions::kFlagMachineCode) != 0) + EmitterUtils::formatLine(sb, self->bufferPtr(), size_t(emittedSize), relSize, immSize, self->inlineComment()); + else + EmitterUtils::formatLine(sb, nullptr, SIZE_MAX, 0, 0, self->inlineComment()); + logger->log(sb); +} + +Error logInstructionFailed( + BaseAssembler* self, + Error err, + uint32_t instId, uint32_t options, const Operand_& o0, const Operand_& o1, const Operand_& o2, const Operand_* opExt) { + + StringTmp<256> sb; + sb.append(DebugUtils::errorAsString(err)); + sb.append(": "); + + Operand_ opArray[Globals::kMaxOpCount]; + EmitterUtils::opArrayFromEmitArgs(opArray, o0, o1, o2, opExt); + + Formatter::formatInstruction(sb, 0, self, self->arch(), BaseInst(instId, options, self->extraReg()), opArray, Globals::kMaxOpCount); + + if (self->inlineComment()) { + sb.append(" ; "); + sb.append(self->inlineComment()); + } + + self->resetInstOptions(); + self->resetExtraReg(); + self->resetInlineComment(); + return self->reportError(err, sb.data()); +} + +#endif + +} // {EmitterUtils} + +ASMJIT_END_NAMESPACE |