static void PrintSection()

in MachODump.cpp [4550:4680]
131 lines of code
48 McCabe index (conditional complexity)

static void PrintSection(const char *sectname, const char *segname,
                         uint64_t addr, uint64_t size, uint32_t offset,
                         uint32_t align, uint32_t reloff, uint32_t nreloc,
                         uint32_t flags, uint32_t reserved1, uint32_t reserved2,
                         uint32_t cmd, const char *sg_segname,
                         uint32_t filetype, uint32_t object_size,
                         bool verbose) {
  outs() << "Section\n";
  outs() << "  sectname " << format("%.16s\n", sectname);
  outs() << "   segname " << format("%.16s", segname);
  if (filetype != MachO::MH_OBJECT && strncmp(sg_segname, segname, 16) != 0)
    outs() << " (does not match segment)\n";
  else
    outs() << "\n";
  if (cmd == MachO::LC_SEGMENT_64) {
    outs() << "      addr " << format("0x%016" PRIx64, addr) << "\n";
    outs() << "      size " << format("0x%016" PRIx64, size);
  } else {
    outs() << "      addr " << format("0x%08" PRIx64, addr) << "\n";
    outs() << "      size " << format("0x%08" PRIx64, size);
  }
  if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size)
    outs() << " (past end of file)\n";
  else
    outs() << "\n";
  outs() << "    offset " << offset;
  if (offset > object_size)
    outs() << " (past end of file)\n";
  else
    outs() << "\n";
  uint32_t align_shifted = 1 << align;
  outs() << "     align 2^" << align << " (" << align_shifted << ")\n";
  outs() << "    reloff " << reloff;
  if (reloff > object_size)
    outs() << " (past end of file)\n";
  else
    outs() << "\n";
  outs() << "    nreloc " << nreloc;
  if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size)
    outs() << " (past end of file)\n";
  else
    outs() << "\n";
  uint32_t section_type = flags & MachO::SECTION_TYPE;
  if (verbose) {
    outs() << "      type";
    if (section_type == MachO::S_REGULAR)
      outs() << " S_REGULAR\n";
    else if (section_type == MachO::S_ZEROFILL)
      outs() << " S_ZEROFILL\n";
    else if (section_type == MachO::S_CSTRING_LITERALS)
      outs() << " S_CSTRING_LITERALS\n";
    else if (section_type == MachO::S_4BYTE_LITERALS)
      outs() << " S_4BYTE_LITERALS\n";
    else if (section_type == MachO::S_8BYTE_LITERALS)
      outs() << " S_8BYTE_LITERALS\n";
    else if (section_type == MachO::S_16BYTE_LITERALS)
      outs() << " S_16BYTE_LITERALS\n";
    else if (section_type == MachO::S_LITERAL_POINTERS)
      outs() << " S_LITERAL_POINTERS\n";
    else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS)
      outs() << " S_NON_LAZY_SYMBOL_POINTERS\n";
    else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS)
      outs() << " S_LAZY_SYMBOL_POINTERS\n";
    else if (section_type == MachO::S_SYMBOL_STUBS)
      outs() << " S_SYMBOL_STUBS\n";
    else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS)
      outs() << " S_MOD_INIT_FUNC_POINTERS\n";
    else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS)
      outs() << " S_MOD_TERM_FUNC_POINTERS\n";
    else if (section_type == MachO::S_COALESCED)
      outs() << " S_COALESCED\n";
    else if (section_type == MachO::S_INTERPOSING)
      outs() << " S_INTERPOSING\n";
    else if (section_type == MachO::S_DTRACE_DOF)
      outs() << " S_DTRACE_DOF\n";
    else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS)
      outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n";
    else if (section_type == MachO::S_THREAD_LOCAL_REGULAR)
      outs() << " S_THREAD_LOCAL_REGULAR\n";
    else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL)
      outs() << " S_THREAD_LOCAL_ZEROFILL\n";
    else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES)
      outs() << " S_THREAD_LOCAL_VARIABLES\n";
    else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
      outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n";
    else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS)
      outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n";
    else
      outs() << format("0x%08" PRIx32, section_type) << "\n";
    outs() << "attributes";
    uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES;
    if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS)
      outs() << " PURE_INSTRUCTIONS";
    if (section_attributes & MachO::S_ATTR_NO_TOC)
      outs() << " NO_TOC";
    if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS)
      outs() << " STRIP_STATIC_SYMS";
    if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP)
      outs() << " NO_DEAD_STRIP";
    if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT)
      outs() << " LIVE_SUPPORT";
    if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE)
      outs() << " SELF_MODIFYING_CODE";
    if (section_attributes & MachO::S_ATTR_DEBUG)
      outs() << " DEBUG";
    if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS)
      outs() << " SOME_INSTRUCTIONS";
    if (section_attributes & MachO::S_ATTR_EXT_RELOC)
      outs() << " EXT_RELOC";
    if (section_attributes & MachO::S_ATTR_LOC_RELOC)
      outs() << " LOC_RELOC";
    if (section_attributes == 0)
      outs() << " (none)";
    outs() << "\n";
  } else
    outs() << "     flags " << format("0x%08" PRIx32, flags) << "\n";
  outs() << " reserved1 " << reserved1;
  if (section_type == MachO::S_SYMBOL_STUBS ||
      section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
      section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
      section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
      section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
    outs() << " (index into indirect symbol table)\n";
  else
    outs() << "\n";
  outs() << " reserved2 " << reserved2;
  if (section_type == MachO::S_SYMBOL_STUBS)
    outs() << " (size of stubs)\n";
  else
    outs() << "\n";
}