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