C++ (Cpp) symbol_iterator::getName示例

示例#1

文件： llvm-cxxdump.cpp 项目： 8l/SPIRV-LLVM

static bool collectRelocatedSymbols(const ObjectFile *Obj,
                                    const SectionRef &Sec, uint64_t SecAddress,
                                    uint64_t SymAddress, uint64_t SymSize,
                                    StringRef *I, StringRef *E) {
  uint64_t SymOffset = SymAddress - SecAddress;
  uint64_t SymEnd = SymOffset + SymSize;
  for (const SectionRef &SR : getRelocSections(Obj, Sec)) {
    for (const object::RelocationRef &Reloc : SR.relocations()) {
      if (I == E)
        break;
      const object::symbol_iterator RelocSymI = Reloc.getSymbol();
      if (RelocSymI == Obj->symbol_end())
        continue;
      StringRef RelocSymName;
      if (error(RelocSymI->getName(RelocSymName)))
        return true;
      uint64_t Offset;
      if (error(Reloc.getOffset(Offset)))
        return true;
      if (Offset >= SymOffset && Offset < SymEnd) {
        *I = RelocSymName;
        ++I;
      }
    }
  }
  return false;
}

示例#2

文件： llvm-vtabledump.cpp 项目： cmlasu/cml-cgra

static bool collectRelocationOffsets(
    const ObjectFile *Obj, object::section_iterator SecI, StringRef SymName,
    std::map<std::pair<StringRef, uint64_t>, StringRef> &Collection) {
    for (const object::RelocationRef &Reloc : SecI->relocations()) {
        const object::symbol_iterator RelocSymI = Reloc.getSymbol();
        if (RelocSymI == Obj->symbol_end())
            continue;
        StringRef RelocSymName;
        if (error(RelocSymI->getName(RelocSymName)))
            return true;
        uint64_t Offset;
        if (error(Reloc.getOffset(Offset)))
            return true;
        Collection[std::make_pair(SymName, Offset)] = RelocSymName;
    }
    return false;
}

示例#3

文件： llvm-vtabledump.cpp 项目： cmlasu/cml-cgra

static bool collectRelocatedSymbols(const ObjectFile *Obj,
                                    object::section_iterator SecI, StringRef *I,
                                    StringRef *E) {
    for (const object::RelocationRef &Reloc : SecI->relocations()) {
        if (I == E)
            break;
        const object::symbol_iterator RelocSymI = Reloc.getSymbol();
        if (RelocSymI == Obj->symbol_end())
            continue;
        StringRef RelocSymName;
        if (error(RelocSymI->getName(RelocSymName)))
            return true;
        *I = RelocSymName;
        ++I;
    }
    return false;
}

示例#4

文件： llvm-cxxdump.cpp 项目： 2asoft/freebsd

static void collectRelocationOffsets(
    const ObjectFile *Obj, const SectionRef &Sec, uint64_t SecAddress,
    uint64_t SymAddress, uint64_t SymSize, StringRef SymName,
    std::map<std::pair<StringRef, uint64_t>, StringRef> &Collection) {
  uint64_t SymOffset = SymAddress - SecAddress;
  uint64_t SymEnd = SymOffset + SymSize;
  for (const SectionRef &SR : SectionRelocMap[Sec]) {
    for (const object::RelocationRef &Reloc : SR.relocations()) {
      const object::symbol_iterator RelocSymI = Reloc.getSymbol();
      if (RelocSymI == Obj->symbol_end())
        continue;
      ErrorOr<StringRef> RelocSymName = RelocSymI->getName();
      error(RelocSymName.getError());
      uint64_t Offset = Reloc.getOffset();
      if (Offset >= SymOffset && Offset < SymEnd)
        Collection[std::make_pair(SymName, Offset - SymOffset)] = *RelocSymName;
    }
  }
}

示例#5

文件： llvm-cxxdump.cpp 项目： 2asoft/freebsd

static void collectRelocatedSymbols(const ObjectFile *Obj,
                                    const SectionRef &Sec, uint64_t SecAddress,
                                    uint64_t SymAddress, uint64_t SymSize,
                                    StringRef *I, StringRef *E) {
  uint64_t SymOffset = SymAddress - SecAddress;
  uint64_t SymEnd = SymOffset + SymSize;
  for (const SectionRef &SR : SectionRelocMap[Sec]) {
    for (const object::RelocationRef &Reloc : SR.relocations()) {
      if (I == E)
        break;
      const object::symbol_iterator RelocSymI = Reloc.getSymbol();
      if (RelocSymI == Obj->symbol_end())
        continue;
      ErrorOr<StringRef> RelocSymName = RelocSymI->getName();
      error(RelocSymName.getError());
      uint64_t Offset = Reloc.getOffset();
      if (Offset >= SymOffset && Offset < SymEnd) {
        *I = *RelocSymName;
        ++I;
      }
    }
  }
}

示例#6

文件： llvm-cxxdump.cpp 项目： 8l/SPIRV-LLVM

static bool collectRelocationOffsets(
    const ObjectFile *Obj, const SectionRef &Sec, uint64_t SecAddress,
    uint64_t SymAddress, uint64_t SymSize, StringRef SymName,
    std::map<std::pair<StringRef, uint64_t>, StringRef> &Collection) {
  uint64_t SymOffset = SymAddress - SecAddress;
  uint64_t SymEnd = SymOffset + SymSize;
  for (const SectionRef &SR : getRelocSections(Obj, Sec)) {
    for (const object::RelocationRef &Reloc : SR.relocations()) {
      const object::symbol_iterator RelocSymI = Reloc.getSymbol();
      if (RelocSymI == Obj->symbol_end())
        continue;
      StringRef RelocSymName;
      if (error(RelocSymI->getName(RelocSymName)))
        return true;
      uint64_t Offset;
      if (error(Reloc.getOffset(Offset)))
        return true;
      if (Offset >= SymOffset && Offset < SymEnd)
        Collection[std::make_pair(SymName, Offset - SymOffset)] = RelocSymName;
    }
  }
  return false;
}

示例#7

文件： llvm-vtabledump.cpp 项目： NextGenIntelligence/llvm

static void dumpVTables(const ObjectFile *Obj) {
  std::map<std::pair<StringRef, uint64_t>, StringRef> VFTableEntries;
  std::map<StringRef, ArrayRef<aligned_little32_t>> VBTables;
  for (const object::SymbolRef &Sym : Obj->symbols()) {
    StringRef SymName;
    if (error(Sym.getName(SymName)))
      return;
    // VFTables in the MS-ABI start with '??_7' and are contained within their
    // own COMDAT section.  We then determine the contents of the VFTable by
    // looking at each relocation in the section.
    if (SymName.startswith("??_7")) {
      object::section_iterator SecI(Obj->section_begin());
      if (error(Sym.getSection(SecI)))
        return;
      if (SecI == Obj->section_end())
        continue;
      // Each relocation either names a virtual method or a thunk.  We note the
      // offset into the section and the symbol used for the relocation.
      for (const object::RelocationRef &Reloc : SecI->relocations()) {
        const object::symbol_iterator RelocSymI = Reloc.getSymbol();
        if (RelocSymI == Obj->symbol_end())
          continue;
        StringRef RelocSymName;
        if (error(RelocSymI->getName(RelocSymName)))
          return;
        uint64_t Offset;
        if (error(Reloc.getOffset(Offset)))
          return;
        VFTableEntries[std::make_pair(SymName, Offset)] = RelocSymName;
      }
    }
    // VBTables in the MS-ABI start with '??_8' and are filled with 32-bit
    // offsets of virtual bases.
    else if (SymName.startswith("??_8")) {
      object::section_iterator SecI(Obj->section_begin());
      if (error(Sym.getSection(SecI)))
        return;
      if (SecI == Obj->section_end())
        continue;
      StringRef SecContents;
      if (error(SecI->getContents(SecContents)))
        return;

      ArrayRef<aligned_little32_t> VBTableData(
          reinterpret_cast<const aligned_little32_t *>(SecContents.data()),
          SecContents.size() / sizeof(aligned_little32_t));
      VBTables[SymName] = VBTableData;
    }
  }
  for (
      const std::pair<std::pair<StringRef, uint64_t>, StringRef> &VFTableEntry :
      VFTableEntries) {
    StringRef VFTableName = VFTableEntry.first.first;
    uint64_t Offset = VFTableEntry.first.second;
    StringRef SymName = VFTableEntry.second;
    outs() << VFTableName << '[' << Offset << "]: " << SymName << '\n';
  }
  for (const std::pair<StringRef, ArrayRef<aligned_little32_t>> &VBTable :
       VBTables) {
    StringRef VBTableName = VBTable.first;
    uint32_t Idx = 0;
    for (aligned_little32_t Offset : VBTable.second) {
      outs() << VBTableName << '[' << Idx << "]: " << Offset << '\n';
      Idx += sizeof(Offset);
    }
  }
}