258 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			258 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===- FormatUtil.cpp ----------------------------------------- *- C++ --*-===//
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| //
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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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| // See https://llvm.org/LICENSE.txt for license information.
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| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "FormatUtil.h"
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| #include "llvm/ADT/STLExtras.h"
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| #include "llvm/ADT/StringExtras.h"
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| #include "llvm/BinaryFormat/COFF.h"
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| #include "llvm/DebugInfo/CodeView/CodeView.h"
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| #include "llvm/Support/FormatAdapters.h"
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| #include "llvm/Support/FormatVariadic.h"
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| 
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| using namespace llvm;
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| using namespace llvm::codeview;
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| using namespace llvm::pdb;
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| 
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| std::string llvm::pdb::truncateStringBack(StringRef S, uint32_t MaxLen) {
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|   if (MaxLen == 0 || S.size() <= MaxLen || S.size() <= 3)
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|     return std::string(S);
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| 
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|   assert(MaxLen >= 3);
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|   uint32_t FinalLen = std::min<size_t>(S.size(), MaxLen - 3);
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|   S = S.take_front(FinalLen);
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|   return std::string(S) + std::string("...");
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| }
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| 
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| std::string llvm::pdb::truncateStringMiddle(StringRef S, uint32_t MaxLen) {
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|   if (MaxLen == 0 || S.size() <= MaxLen || S.size() <= 3)
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|     return std::string(S);
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| 
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|   assert(MaxLen >= 3);
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|   uint32_t FinalLen = std::min<size_t>(S.size(), MaxLen - 3);
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|   StringRef Front = S.take_front(FinalLen / 2);
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|   StringRef Back = S.take_back(Front.size());
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|   return std::string(Front) + std::string("...") + std::string(Back);
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| }
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| 
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| std::string llvm::pdb::truncateStringFront(StringRef S, uint32_t MaxLen) {
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|   if (MaxLen == 0 || S.size() <= MaxLen || S.size() <= 3)
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|     return std::string(S);
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| 
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|   assert(MaxLen >= 3);
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|   S = S.take_back(MaxLen - 3);
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|   return std::string("...") + std::string(S);
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| }
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| 
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| std::string llvm::pdb::truncateQuotedNameFront(StringRef Label, StringRef Name,
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|                                                uint32_t MaxLen) {
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|   uint32_t RequiredExtraChars = Label.size() + 1 + 2;
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|   if (MaxLen == 0 || RequiredExtraChars + Name.size() <= MaxLen)
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|     return formatv("{0} \"{1}\"", Label, Name).str();
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| 
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|   assert(MaxLen >= RequiredExtraChars);
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|   std::string TN = truncateStringFront(Name, MaxLen - RequiredExtraChars);
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|   return formatv("{0} \"{1}\"", Label, TN).str();
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| }
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| 
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| std::string llvm::pdb::truncateQuotedNameBack(StringRef Label, StringRef Name,
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|                                               uint32_t MaxLen) {
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|   uint32_t RequiredExtraChars = Label.size() + 1 + 2;
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|   if (MaxLen == 0 || RequiredExtraChars + Name.size() <= MaxLen)
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|     return formatv("{0} \"{1}\"", Label, Name).str();
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| 
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|   assert(MaxLen >= RequiredExtraChars);
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|   std::string TN = truncateStringBack(Name, MaxLen - RequiredExtraChars);
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|   return formatv("{0} \"{1}\"", Label, TN).str();
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| }
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| 
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| std::string llvm::pdb::typesetItemList(ArrayRef<std::string> Opts,
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|                                        uint32_t IndentLevel, uint32_t GroupSize,
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|                                        StringRef Sep) {
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|   std::string Result;
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|   while (!Opts.empty()) {
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|     ArrayRef<std::string> ThisGroup;
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|     ThisGroup = Opts.take_front(GroupSize);
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|     Opts = Opts.drop_front(ThisGroup.size());
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|     Result += join(ThisGroup, Sep);
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|     if (!Opts.empty()) {
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|       Result += Sep;
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|       Result += "\n";
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|       Result += std::string(formatv("{0}", fmt_repeat(' ', IndentLevel)));
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|     }
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|   }
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|   return Result;
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| }
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| 
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| std::string llvm::pdb::typesetStringList(uint32_t IndentLevel,
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|                                          ArrayRef<StringRef> Strings) {
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|   std::string Result = "[";
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|   for (const auto &S : Strings) {
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|     Result += std::string(formatv("\n{0}{1}", fmt_repeat(' ', IndentLevel), S));
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|   }
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|   Result += "]";
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|   return Result;
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| }
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| 
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| std::string llvm::pdb::formatChunkKind(DebugSubsectionKind Kind,
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|                                        bool Friendly) {
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|   if (Friendly) {
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|     switch (Kind) {
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|       RETURN_CASE(DebugSubsectionKind, None, "none");
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|       RETURN_CASE(DebugSubsectionKind, Symbols, "symbols");
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|       RETURN_CASE(DebugSubsectionKind, Lines, "lines");
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|       RETURN_CASE(DebugSubsectionKind, StringTable, "strings");
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|       RETURN_CASE(DebugSubsectionKind, FileChecksums, "checksums");
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|       RETURN_CASE(DebugSubsectionKind, FrameData, "frames");
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|       RETURN_CASE(DebugSubsectionKind, InlineeLines, "inlinee lines");
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|       RETURN_CASE(DebugSubsectionKind, CrossScopeImports, "xmi");
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|       RETURN_CASE(DebugSubsectionKind, CrossScopeExports, "xme");
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|       RETURN_CASE(DebugSubsectionKind, ILLines, "il lines");
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|       RETURN_CASE(DebugSubsectionKind, FuncMDTokenMap, "func md token map");
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|       RETURN_CASE(DebugSubsectionKind, TypeMDTokenMap, "type md token map");
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|       RETURN_CASE(DebugSubsectionKind, MergedAssemblyInput,
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|                   "merged assembly input");
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|       RETURN_CASE(DebugSubsectionKind, CoffSymbolRVA, "coff symbol rva");
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|     }
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|   } else {
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|     switch (Kind) {
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|       RETURN_CASE(DebugSubsectionKind, None, "none");
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|       RETURN_CASE(DebugSubsectionKind, Symbols, "DEBUG_S_SYMBOLS");
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|       RETURN_CASE(DebugSubsectionKind, Lines, "DEBUG_S_LINES");
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|       RETURN_CASE(DebugSubsectionKind, StringTable, "DEBUG_S_STRINGTABLE");
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|       RETURN_CASE(DebugSubsectionKind, FileChecksums, "DEBUG_S_FILECHKSMS");
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|       RETURN_CASE(DebugSubsectionKind, FrameData, "DEBUG_S_FRAMEDATA");
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|       RETURN_CASE(DebugSubsectionKind, InlineeLines, "DEBUG_S_INLINEELINES");
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|       RETURN_CASE(DebugSubsectionKind, CrossScopeImports,
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|                   "DEBUG_S_CROSSSCOPEIMPORTS");
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|       RETURN_CASE(DebugSubsectionKind, CrossScopeExports,
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|                   "DEBUG_S_CROSSSCOPEEXPORTS");
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|       RETURN_CASE(DebugSubsectionKind, ILLines, "DEBUG_S_IL_LINES");
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|       RETURN_CASE(DebugSubsectionKind, FuncMDTokenMap,
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|                   "DEBUG_S_FUNC_MDTOKEN_MAP");
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|       RETURN_CASE(DebugSubsectionKind, TypeMDTokenMap,
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|                   "DEBUG_S_TYPE_MDTOKEN_MAP");
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|       RETURN_CASE(DebugSubsectionKind, MergedAssemblyInput,
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|                   "DEBUG_S_MERGED_ASSEMBLYINPUT");
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|       RETURN_CASE(DebugSubsectionKind, CoffSymbolRVA,
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|                   "DEBUG_S_COFF_SYMBOL_RVA");
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|     }
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|   }
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|   return formatUnknownEnum(Kind);
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| }
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| 
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| std::string llvm::pdb::formatSymbolKind(SymbolKind K) {
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|   switch (uint32_t(K)) {
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| #define SYMBOL_RECORD(EnumName, value, name)                                   \
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|   case EnumName:                                                               \
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|     return #EnumName;
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| #define CV_SYMBOL(EnumName, value) SYMBOL_RECORD(EnumName, value, EnumName)
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| #include "llvm/DebugInfo/CodeView/CodeViewSymbols.def"
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|   }
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|   return formatUnknownEnum(K);
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| }
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| 
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| StringRef llvm::pdb::formatTypeLeafKind(TypeLeafKind K) {
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|   switch (K) {
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| #define TYPE_RECORD(EnumName, value, name)                                     \
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|   case EnumName:                                                               \
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|     return #EnumName;
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| #include "llvm/DebugInfo/CodeView/CodeViewTypes.def"
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|   default:
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|     llvm_unreachable("Unknown type leaf kind!");
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|   }
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|   return "";
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| }
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| 
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| std::string llvm::pdb::formatSegmentOffset(uint16_t Segment, uint32_t Offset) {
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|   return std::string(formatv("{0:4}:{1:4}", Segment, Offset));
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| }
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| 
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| #define PUSH_CHARACTERISTIC_FLAG(Enum, TheOpt, Value, Style, Descriptive)      \
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|   PUSH_FLAG(Enum, TheOpt, Value,                                               \
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|             ((Style == CharacteristicStyle::HeaderDefinition) ? #TheOpt        \
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|                                                               : Descriptive))
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| 
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| #define PUSH_MASKED_CHARACTERISTIC_FLAG(Enum, Mask, TheOpt, Value, Style,      \
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|                                         Descriptive)                           \
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|   PUSH_MASKED_FLAG(Enum, Mask, TheOpt, Value,                                  \
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|                    ((Style == CharacteristicStyle::HeaderDefinition)           \
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|                         ? #TheOpt                                              \
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|                         : Descriptive))
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| 
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| std::string llvm::pdb::formatSectionCharacteristics(uint32_t IndentLevel,
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|                                                     uint32_t C,
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|                                                     uint32_t FlagsPerLine,
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|                                                     StringRef Separator,
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|                                                     CharacteristicStyle Style) {
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|   using SC = COFF::SectionCharacteristics;
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|   std::vector<std::string> Opts;
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|   if (C == COFF::SC_Invalid)
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|     return "invalid";
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|   if (C == 0)
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|     return "none";
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_TYPE_NOLOAD, C, Style, "noload");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_TYPE_NO_PAD, C, Style, "no padding");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_CNT_CODE, C, Style, "code");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_CNT_INITIALIZED_DATA, C, Style,
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|                            "initialized data");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_CNT_UNINITIALIZED_DATA, C, Style,
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|                            "uninitialized data");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_OTHER, C, Style, "other");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_INFO, C, Style, "info");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_REMOVE, C, Style, "remove");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_COMDAT, C, Style, "comdat");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_GPREL, C, Style, "gp rel");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_PURGEABLE, C, Style, "purgeable");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_16BIT, C, Style, "16-bit");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_LOCKED, C, Style, "locked");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_PRELOAD, C, Style, "preload");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_1BYTES, C,
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|                                   Style, "1 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_2BYTES, C,
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|                                   Style, "2 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_4BYTES, C,
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|                                   Style, "4 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_8BYTES, C,
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|                                   Style, "8 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_16BYTES, C,
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|                                   Style, "16 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_32BYTES, C,
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|                                   Style, "32 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_64BYTES, C,
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|                                   Style, "64 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_128BYTES, C,
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|                                   Style, "128 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_256BYTES, C,
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|                                   Style, "256 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_512BYTES, C,
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|                                   Style, "512 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_1024BYTES, C,
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|                                   Style, "1024 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_2048BYTES, C,
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|                                   Style, "2048 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_4096BYTES, C,
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|                                   Style, "4096 byte align");
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|   PUSH_MASKED_CHARACTERISTIC_FLAG(SC, 0xF00000, IMAGE_SCN_ALIGN_8192BYTES, C,
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|                                   Style, "8192 byte align");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_LNK_NRELOC_OVFL, C, Style,
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|                            "noreloc overflow");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_DISCARDABLE, C, Style,
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|                            "discardable");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_NOT_CACHED, C, Style,
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|                            "not cached");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_NOT_PAGED, C, Style, "not paged");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_SHARED, C, Style, "shared");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_EXECUTE, C, Style,
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|                            "execute permissions");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_READ, C, Style,
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|                            "read permissions");
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|   PUSH_CHARACTERISTIC_FLAG(SC, IMAGE_SCN_MEM_WRITE, C, Style,
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|                            "write permissions");
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|   return typesetItemList(Opts, IndentLevel, FlagsPerLine, Separator);
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| }
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