1 files changed, 0 insertions, 379 deletions
diff --git a/gnu/llvm/lib/ObjectYAML/DWARFEmitter.cpp b/gnu/llvm/lib/ObjectYAML/DWARFEmitter.cpp
deleted file mode 100644
index f23fa123760..00000000000
--- a/gnu/llvm/lib/ObjectYAML/DWARFEmitter.cpp
+++ /dev/null
@@ -1,379 +0,0 @@
-//===- DWARFEmitter - Convert YAML to DWARF binary data -------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// The DWARF component of yaml2obj. Provided as library code for tests.
-///
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ObjectYAML/DWARFEmitter.h"
-#include "DWARFVisitor.h"
-#include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ObjectYAML/DWARFYAML.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/LEB128.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/SwapByteOrder.h"
-#include "llvm/Support/YAMLTraits.h"
-#include "llvm/Support/raw_ostream.h"
-#include <algorithm>
-#include <cassert>
-#include <cstddef>
-#include <cstdint>
-#include <memory>
-#include <string>
-#include <vector>
-
-using namespace llvm;
-
-template <typename T>
-static void writeInteger(T Integer, raw_ostream &OS, bool IsLittleEndian) {
-  if (IsLittleEndian != sys::IsLittleEndianHost)
-    sys::swapByteOrder(Integer);
-  OS.write(reinterpret_cast<char *>(&Integer), sizeof(T));
-}
-
-static void writeVariableSizedInteger(uint64_t Integer, size_t Size,
-                                      raw_ostream &OS, bool IsLittleEndian) {
-  if (8 == Size)
-    writeInteger((uint64_t)Integer, OS, IsLittleEndian);
-  else if (4 == Size)
-    writeInteger((uint32_t)Integer, OS, IsLittleEndian);
-  else if (2 == Size)
-    writeInteger((uint16_t)Integer, OS, IsLittleEndian);
-  else if (1 == Size)
-    writeInteger((uint8_t)Integer, OS, IsLittleEndian);
-  else
-    assert(false && "Invalid integer write size.");
-}
-
-static void ZeroFillBytes(raw_ostream &OS, size_t Size) {
-  std::vector<uint8_t> FillData;
-  FillData.insert(FillData.begin(), Size, 0);
-  OS.write(reinterpret_cast<char *>(FillData.data()), Size);
-}
-
-static void writeInitialLength(const DWARFYAML::InitialLength &Length,
-                               raw_ostream &OS, bool IsLittleEndian) {
-  writeInteger((uint32_t)Length.TotalLength, OS, IsLittleEndian);
-  if (Length.isDWARF64())
-    writeInteger((uint64_t)Length.TotalLength64, OS, IsLittleEndian);
-}
-
-void DWARFYAML::EmitDebugStr(raw_ostream &OS, const DWARFYAML::Data &DI) {
-  for (auto Str : DI.DebugStrings) {
-    OS.write(Str.data(), Str.size());
-    OS.write('\0');
-  }
-}
-
-void DWARFYAML::EmitDebugAbbrev(raw_ostream &OS, const DWARFYAML::Data &DI) {
-  for (auto AbbrevDecl : DI.AbbrevDecls) {
-    encodeULEB128(AbbrevDecl.Code, OS);
-    encodeULEB128(AbbrevDecl.Tag, OS);
-    OS.write(AbbrevDecl.Children);
-    for (auto Attr : AbbrevDecl.Attributes) {
-      encodeULEB128(Attr.Attribute, OS);
-      encodeULEB128(Attr.Form, OS);
-      if (Attr.Form == dwarf::DW_FORM_implicit_const)
-        encodeSLEB128(Attr.Value, OS);
-    }
-    encodeULEB128(0, OS);
-    encodeULEB128(0, OS);
-  }
-}
-
-void DWARFYAML::EmitDebugAranges(raw_ostream &OS, const DWARFYAML::Data &DI) {
-  for (auto Range : DI.ARanges) {
-    auto HeaderStart = OS.tell();
-    writeInitialLength(Range.Length, OS, DI.IsLittleEndian);
-    writeInteger((uint16_t)Range.Version, OS, DI.IsLittleEndian);
-    writeInteger((uint32_t)Range.CuOffset, OS, DI.IsLittleEndian);
-    writeInteger((uint8_t)Range.AddrSize, OS, DI.IsLittleEndian);
-    writeInteger((uint8_t)Range.SegSize, OS, DI.IsLittleEndian);
-
-    auto HeaderSize = OS.tell() - HeaderStart;
-    auto FirstDescriptor = alignTo(HeaderSize, Range.AddrSize * 2);
-    ZeroFillBytes(OS, FirstDescriptor - HeaderSize);
-
-    for (auto Descriptor : Range.Descriptors) {
-      writeVariableSizedInteger(Descriptor.Address, Range.AddrSize, OS,
-                                DI.IsLittleEndian);
-      writeVariableSizedInteger(Descriptor.Length, Range.AddrSize, OS,
-                                DI.IsLittleEndian);
-    }
-    ZeroFillBytes(OS, Range.AddrSize * 2);
-  }
-}
-
-void DWARFYAML::EmitPubSection(raw_ostream &OS,
-                               const DWARFYAML::PubSection &Sect,
-                               bool IsLittleEndian) {
-  writeInitialLength(Sect.Length, OS, IsLittleEndian);
-  writeInteger((uint16_t)Sect.Version, OS, IsLittleEndian);
-  writeInteger((uint32_t)Sect.UnitOffset, OS, IsLittleEndian);
-  writeInteger((uint32_t)Sect.UnitSize, OS, IsLittleEndian);
-  for (auto Entry : Sect.Entries) {
-    writeInteger((uint32_t)Entry.DieOffset, OS, IsLittleEndian);
-    if (Sect.IsGNUStyle)
-      writeInteger((uint32_t)Entry.Descriptor, OS, IsLittleEndian);
-    OS.write(Entry.Name.data(), Entry.Name.size());
-    OS.write('\0');
-  }
-}
-
-namespace {
-/// An extension of the DWARFYAML::ConstVisitor which writes compile
-/// units and DIEs to a stream.
-class DumpVisitor : public DWARFYAML::ConstVisitor {
-  raw_ostream &OS;
-
-protected:
-  void onStartCompileUnit(const DWARFYAML::Unit &CU) override {
-    writeInitialLength(CU.Length, OS, DebugInfo.IsLittleEndian);
-    writeInteger((uint16_t)CU.Version, OS, DebugInfo.IsLittleEndian);
-    if(CU.Version >= 5) {
-      writeInteger((uint8_t)CU.Type, OS, DebugInfo.IsLittleEndian);
-      writeInteger((uint8_t)CU.AddrSize, OS, DebugInfo.IsLittleEndian);
-      writeInteger((uint32_t)CU.AbbrOffset, OS, DebugInfo.IsLittleEndian);
-    }else {
-      writeInteger((uint32_t)CU.AbbrOffset, OS, DebugInfo.IsLittleEndian);
-      writeInteger((uint8_t)CU.AddrSize, OS, DebugInfo.IsLittleEndian);
-    }
-  }
-
-  void onStartDIE(const DWARFYAML::Unit &CU,
-                  const DWARFYAML::Entry &DIE) override {
-    encodeULEB128(DIE.AbbrCode, OS);
-  }
-
-  void onValue(const uint8_t U) override {
-    writeInteger(U, OS, DebugInfo.IsLittleEndian);
-  }
-
-  void onValue(const uint16_t U) override {
-    writeInteger(U, OS, DebugInfo.IsLittleEndian);
-  }
-
-  void onValue(const uint32_t U) override {
-    writeInteger(U, OS, DebugInfo.IsLittleEndian);
-  }
-
-  void onValue(const uint64_t U, const bool LEB = false) override {
-    if (LEB)
-      encodeULEB128(U, OS);
-    else
-      writeInteger(U, OS, DebugInfo.IsLittleEndian);
-  }
-
-  void onValue(const int64_t S, const bool LEB = false) override {
-    if (LEB)
-      encodeSLEB128(S, OS);
-    else
-      writeInteger(S, OS, DebugInfo.IsLittleEndian);
-  }
-
-  void onValue(const StringRef String) override {
-    OS.write(String.data(), String.size());
-    OS.write('\0');
-  }
-
-  void onValue(const MemoryBufferRef MBR) override {
-    OS.write(MBR.getBufferStart(), MBR.getBufferSize());
-  }
-
-public:
-  DumpVisitor(const DWARFYAML::Data &DI, raw_ostream &Out)
-      : DWARFYAML::ConstVisitor(DI), OS(Out) {}
-};
-} // namespace
-
-void DWARFYAML::EmitDebugInfo(raw_ostream &OS, const DWARFYAML::Data &DI) {
-  DumpVisitor Visitor(DI, OS);
-  Visitor.traverseDebugInfo();
-}
-
-static void EmitFileEntry(raw_ostream &OS, const DWARFYAML::File &File) {
-  OS.write(File.Name.data(), File.Name.size());
-  OS.write('\0');
-  encodeULEB128(File.DirIdx, OS);
-  encodeULEB128(File.ModTime, OS);
-  encodeULEB128(File.Length, OS);
-}
-
-void DWARFYAML::EmitDebugLine(raw_ostream &OS, const DWARFYAML::Data &DI) {
-  for (const auto &LineTable : DI.DebugLines) {
-    writeInitialLength(LineTable.Length, OS, DI.IsLittleEndian);
-    uint64_t SizeOfPrologueLength = LineTable.Length.isDWARF64() ? 8 : 4;
-    writeInteger((uint16_t)LineTable.Version, OS, DI.IsLittleEndian);
-    writeVariableSizedInteger(LineTable.PrologueLength, SizeOfPrologueLength,
-                              OS, DI.IsLittleEndian);
-    writeInteger((uint8_t)LineTable.MinInstLength, OS, DI.IsLittleEndian);
-    if (LineTable.Version >= 4)
-      writeInteger((uint8_t)LineTable.MaxOpsPerInst, OS, DI.IsLittleEndian);
-    writeInteger((uint8_t)LineTable.DefaultIsStmt, OS, DI.IsLittleEndian);
-    writeInteger((uint8_t)LineTable.LineBase, OS, DI.IsLittleEndian);
-    writeInteger((uint8_t)LineTable.LineRange, OS, DI.IsLittleEndian);
-    writeInteger((uint8_t)LineTable.OpcodeBase, OS, DI.IsLittleEndian);
-
-    for (auto OpcodeLength : LineTable.StandardOpcodeLengths)
-      writeInteger((uint8_t)OpcodeLength, OS, DI.IsLittleEndian);
-
-    for (auto IncludeDir : LineTable.IncludeDirs) {
-      OS.write(IncludeDir.data(), IncludeDir.size());
-      OS.write('\0');
-    }
-    OS.write('\0');
-
-    for (auto File : LineTable.Files)
-      EmitFileEntry(OS, File);
-    OS.write('\0');
-
-    for (auto Op : LineTable.Opcodes) {
-      writeInteger((uint8_t)Op.Opcode, OS, DI.IsLittleEndian);
-      if (Op.Opcode == 0) {
-        encodeULEB128(Op.ExtLen, OS);
-        writeInteger((uint8_t)Op.SubOpcode, OS, DI.IsLittleEndian);
-        switch (Op.SubOpcode) {
-        case dwarf::DW_LNE_set_address:
-        case dwarf::DW_LNE_set_discriminator:
-          writeVariableSizedInteger(Op.Data, DI.CompileUnits[0].AddrSize, OS,
-                                    DI.IsLittleEndian);
-          break;
-        case dwarf::DW_LNE_define_file:
-          EmitFileEntry(OS, Op.FileEntry);
-          break;
-        case dwarf::DW_LNE_end_sequence:
-          break;
-        default:
-          for (auto OpByte : Op.UnknownOpcodeData)
-            writeInteger((uint8_t)OpByte, OS, DI.IsLittleEndian);
-        }
-      } else if (Op.Opcode < LineTable.OpcodeBase) {
-        switch (Op.Opcode) {
-        case dwarf::DW_LNS_copy:
-        case dwarf::DW_LNS_negate_stmt:
-        case dwarf::DW_LNS_set_basic_block:
-        case dwarf::DW_LNS_const_add_pc:
-        case dwarf::DW_LNS_set_prologue_end:
-        case dwarf::DW_LNS_set_epilogue_begin:
-          break;
-
-        case dwarf::DW_LNS_advance_pc:
-        case dwarf::DW_LNS_set_file:
-        case dwarf::DW_LNS_set_column:
-        case dwarf::DW_LNS_set_isa:
-          encodeULEB128(Op.Data, OS);
-          break;
-
-        case dwarf::DW_LNS_advance_line:
-          encodeSLEB128(Op.SData, OS);
-          break;
-
-        case dwarf::DW_LNS_fixed_advance_pc:
-          writeInteger((uint16_t)Op.Data, OS, DI.IsLittleEndian);
-          break;
-
-        default:
-          for (auto OpData : Op.StandardOpcodeData) {
-            encodeULEB128(OpData, OS);
-          }
-        }
-      }
-    }
-  }
-}
-
-using EmitFuncType = void (*)(raw_ostream &, const DWARFYAML::Data &);
-
-static void
-EmitDebugSectionImpl(const DWARFYAML::Data &DI, EmitFuncType EmitFunc,
-                     StringRef Sec,
-                     StringMap<std::unique_ptr<MemoryBuffer>> &OutputBuffers) {
-  std::string Data;
-  raw_string_ostream DebugInfoStream(Data);
-  EmitFunc(DebugInfoStream, DI);
-  DebugInfoStream.flush();
-  if (!Data.empty())
-    OutputBuffers[Sec] = MemoryBuffer::getMemBufferCopy(Data);
-}
-
-namespace {
-class DIEFixupVisitor : public DWARFYAML::Visitor {
-  uint64_t Length;
-
-public:
-  DIEFixupVisitor(DWARFYAML::Data &DI) : DWARFYAML::Visitor(DI){};
-
-private:
-  virtual void onStartCompileUnit(DWARFYAML::Unit &CU) { Length = 7; }
-
-  virtual void onEndCompileUnit(DWARFYAML::Unit &CU) {
-    CU.Length.setLength(Length);
-  }
-
-  virtual void onStartDIE(DWARFYAML::Unit &CU, DWARFYAML::Entry &DIE) {
-    Length += getULEB128Size(DIE.AbbrCode);
-  }
-
-  virtual void onValue(const uint8_t U) { Length += 1; }
-  virtual void onValue(const uint16_t U) { Length += 2; }
-  virtual void onValue(const uint32_t U) { Length += 4; }
-  virtual void onValue(const uint64_t U, const bool LEB = false) {
-    if (LEB)
-      Length += getULEB128Size(U);
-    else
-      Length += 8;
-  }
-  virtual void onValue(const int64_t S, const bool LEB = false) {
-    if (LEB)
-      Length += getSLEB128Size(S);
-    else
-      Length += 8;
-  }
-  virtual void onValue(const StringRef String) { Length += String.size() + 1; }
-
-  virtual void onValue(const MemoryBufferRef MBR) {
-    Length += MBR.getBufferSize();
-  }
-};
-} // namespace
-
-Expected<StringMap<std::unique_ptr<MemoryBuffer>>>
-DWARFYAML::EmitDebugSections(StringRef YAMLString, bool ApplyFixups,
-                             bool IsLittleEndian) {
-  yaml::Input YIn(YAMLString);
-
-  DWARFYAML::Data DI;
-  DI.IsLittleEndian = IsLittleEndian;
-  YIn >> DI;
-  if (YIn.error())
-    return errorCodeToError(YIn.error());
-
-  if (ApplyFixups) {
-    DIEFixupVisitor DIFixer(DI);
-    DIFixer.traverseDebugInfo();
-  }
-
-  StringMap<std::unique_ptr<MemoryBuffer>> DebugSections;
-  EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugInfo, "debug_info",
-                       DebugSections);
-  EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugLine, "debug_line",
-                       DebugSections);
-  EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugStr, "debug_str",
-                       DebugSections);
-  EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugAbbrev, "debug_abbrev",
-                       DebugSections);
-  EmitDebugSectionImpl(DI, &DWARFYAML::EmitDebugAranges, "debug_aranges",
-                       DebugSections);
-  return std::move(DebugSections);
-}