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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
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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#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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using namespace llvm;
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using namespace llvm::codeview;
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using namespace llvm::pdb;
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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 S;
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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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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 S;
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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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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 S;
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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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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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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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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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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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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 += 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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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 += 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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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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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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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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std::string llvm::pdb::formatSegmentOffset(uint16_t Segment, uint32_t Offset) {
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return formatv("{0:4}:{1:4}", Segment, Offset);
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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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#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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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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