C++ (Cpp) ObjSectionToIDMap示例

示例#1

文件： RuntimeDyldMachO.cpp 项目： 2asoft/freebsd

void RuntimeDyldMachOCRTPBase<Impl>::finalizeLoad(const ObjectFile &Obj,
                                                  ObjSectionToIDMap &SectionMap) {
  unsigned EHFrameSID = RTDYLD_INVALID_SECTION_ID;
  unsigned TextSID = RTDYLD_INVALID_SECTION_ID;
  unsigned ExceptTabSID = RTDYLD_INVALID_SECTION_ID;

  for (const auto &Section : Obj.sections()) {
    StringRef Name;
    Section.getName(Name);

    // Force emission of the __text, __eh_frame, and __gcc_except_tab sections
    // if they're present. Otherwise call down to the impl to handle other
    // sections that have already been emitted.
    if (Name == "__text")
      TextSID = findOrEmitSection(Obj, Section, true, SectionMap);
    else if (Name == "__eh_frame")
      EHFrameSID = findOrEmitSection(Obj, Section, false, SectionMap);
    else if (Name == "__gcc_except_tab")
      ExceptTabSID = findOrEmitSection(Obj, Section, true, SectionMap);
    else {
      auto I = SectionMap.find(Section);
      if (I != SectionMap.end())
        impl().finalizeSection(Obj, I->second, Section);
    }
  }
  UnregisteredEHFrameSections.push_back(
    EHFrameRelatedSections(EHFrameSID, TextSID, ExceptTabSID));
}

示例#2

文件： RuntimeDyldMachO.cpp 项目： fbukevin/llvm

void RuntimeDyldMachO::finalizeLoad(ObjectImage &ObjImg,
                                    ObjSectionToIDMap &SectionMap) {
  unsigned EHFrameSID = RTDYLD_INVALID_SECTION_ID;
  unsigned TextSID = RTDYLD_INVALID_SECTION_ID;
  unsigned ExceptTabSID = RTDYLD_INVALID_SECTION_ID;
  ObjSectionToIDMap::iterator i, e;
  for (i = SectionMap.begin(), e = SectionMap.end(); i != e; ++i) {
    const SectionRef &Section = i->first;
    StringRef Name;
    Section.getName(Name);
    if (Name == "__eh_frame")
      EHFrameSID = i->second;
    else if (Name == "__text")
      TextSID = i->second;
    else if (Name == "__gcc_except_tab")
      ExceptTabSID = i->second;
    else if (Name == "__jump_table")
      populateJumpTable(cast<MachOObjectFile>(*ObjImg.getObjectFile()),
                        Section, i->second);
    else if (Name == "__pointers")
      populatePointersSection(cast<MachOObjectFile>(*ObjImg.getObjectFile()),
                              Section, i->second);
  }
  UnregisteredEHFrameSections.push_back(
      EHFrameRelatedSections(EHFrameSID, TextSID, ExceptTabSID));
}

示例#3

文件： RuntimeDyld.cpp 项目： bluemutedwisdom/bhyve

unsigned RuntimeDyldImpl::findOrEmitSection(const SectionRef &Section,
                                            bool IsCode,
                                            ObjSectionToIDMap &LocalSections) {

  unsigned SectionID = 0;
  ObjSectionToIDMap::iterator i = LocalSections.find(Section);
  if (i != LocalSections.end())
    SectionID = i->second;
  else {
    SectionID = emitSection(Section, IsCode);
    LocalSections[Section] = SectionID;
  }
  return SectionID;
}

示例#4

文件： RuntimeDyldMachO.cpp 项目： DroidSim/platform_external_llvm

void RuntimeDyldMachO::finalizeLoad(ObjSectionToIDMap &SectionMap) {
  unsigned EHFrameSID = RTDYLD_INVALID_SECTION_ID;
  unsigned TextSID = RTDYLD_INVALID_SECTION_ID;
  unsigned ExceptTabSID = RTDYLD_INVALID_SECTION_ID;
  ObjSectionToIDMap::iterator i, e;
  for (i = SectionMap.begin(), e = SectionMap.end(); i != e; ++i) {
    const SectionRef &Section = i->first;
    StringRef Name;
    Section.getName(Name);
    if (Name == "__eh_frame")
      EHFrameSID = i->second;
    else if (Name == "__text")
      TextSID = i->second;
    else if (Name == "__gcc_except_tab")
      ExceptTabSID = i->second;
  }
  UnregisteredEHFrameSections.push_back(
      EHFrameRelatedSections(EHFrameSID, TextSID, ExceptTabSID));
}