| //===-- llvm-size.cpp - Print the size of each object section ---*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This program is a utility that works like traditional Unix "size", |
| // that is, it prints out the size of each section, and the total size of all |
| // sections. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ADT/APInt.h" |
| #include "llvm/Object/Archive.h" |
| #include "llvm/Object/MachO.h" |
| #include "llvm/Object/MachOUniversal.h" |
| #include "llvm/Object/ObjectFile.h" |
| #include "llvm/Support/Casting.h" |
| #include "llvm/Support/CommandLine.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/Format.h" |
| #include "llvm/Support/ManagedStatic.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/Support/PrettyStackTrace.h" |
| #include "llvm/Support/Signals.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <algorithm> |
| #include <string> |
| #include <system_error> |
| |
| using namespace llvm; |
| using namespace object; |
| |
| enum OutputFormatTy { berkeley, sysv, darwin }; |
| static cl::opt<OutputFormatTy> |
| OutputFormat("format", cl::desc("Specify output format"), |
| cl::values(clEnumVal(sysv, "System V format"), |
| clEnumVal(berkeley, "Berkeley format"), |
| clEnumVal(darwin, "Darwin -m format"), clEnumValEnd), |
| cl::init(berkeley)); |
| |
| static cl::opt<OutputFormatTy> OutputFormatShort( |
| cl::desc("Specify output format"), |
| cl::values(clEnumValN(sysv, "A", "System V format"), |
| clEnumValN(berkeley, "B", "Berkeley format"), |
| clEnumValN(darwin, "m", "Darwin -m format"), clEnumValEnd), |
| cl::init(berkeley)); |
| |
| static bool berkeleyHeaderPrinted = false; |
| static bool moreThanOneFile = false; |
| |
| cl::opt<bool> |
| DarwinLongFormat("l", cl::desc("When format is darwin, use long format " |
| "to include addresses and offsets.")); |
| |
| static cl::list<std::string> |
| ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"), |
| cl::ZeroOrMore); |
| bool ArchAll = false; |
| |
| enum RadixTy { octal = 8, decimal = 10, hexadecimal = 16 }; |
| static cl::opt<unsigned int> |
| Radix("-radix", cl::desc("Print size in radix. Only 8, 10, and 16 are valid"), |
| cl::init(decimal)); |
| |
| static cl::opt<RadixTy> |
| RadixShort(cl::desc("Print size in radix:"), |
| cl::values(clEnumValN(octal, "o", "Print size in octal"), |
| clEnumValN(decimal, "d", "Print size in decimal"), |
| clEnumValN(hexadecimal, "x", "Print size in hexadecimal"), |
| clEnumValEnd), |
| cl::init(decimal)); |
| |
| static cl::list<std::string> |
| InputFilenames(cl::Positional, cl::desc("<input files>"), cl::ZeroOrMore); |
| |
| static std::string ToolName; |
| |
| /// @brief If ec is not success, print the error and return true. |
| static bool error(std::error_code ec) { |
| if (!ec) |
| return false; |
| |
| outs() << ToolName << ": error reading file: " << ec.message() << ".\n"; |
| outs().flush(); |
| return true; |
| } |
| |
| /// @brief Get the length of the string that represents @p num in Radix |
| /// including the leading 0x or 0 for hexadecimal and octal respectively. |
| static size_t getNumLengthAsString(uint64_t num) { |
| APInt conv(64, num); |
| SmallString<32> result; |
| conv.toString(result, Radix, false, true); |
| return result.size(); |
| } |
| |
| /// @brief Return the printing format for the Radix. |
| static const char *getRadixFmt() { |
| switch (Radix) { |
| case octal: |
| return PRIo64; |
| case decimal: |
| return PRIu64; |
| case hexadecimal: |
| return PRIx64; |
| } |
| return nullptr; |
| } |
| |
| /// @brief Print the size of each Mach-O segment and section in @p MachO. |
| /// |
| /// This is when used when @c OutputFormat is darwin and produces the same |
| /// output as darwin's size(1) -m output. |
| static void PrintDarwinSectionSizes(MachOObjectFile *MachO) { |
| std::string fmtbuf; |
| raw_string_ostream fmt(fmtbuf); |
| const char *radix_fmt = getRadixFmt(); |
| if (Radix == hexadecimal) |
| fmt << "0x"; |
| fmt << "%" << radix_fmt; |
| |
| uint32_t Filetype = MachO->getHeader().filetype; |
| |
| uint64_t total = 0; |
| for (const auto &Load : MachO->load_commands()) { |
| if (Load.C.cmd == MachO::LC_SEGMENT_64) { |
| MachO::segment_command_64 Seg = MachO->getSegment64LoadCommand(Load); |
| outs() << "Segment " << Seg.segname << ": " |
| << format(fmt.str().c_str(), Seg.vmsize); |
| if (DarwinLongFormat) |
| outs() << " (vmaddr 0x" << format("%" PRIx64, Seg.vmaddr) << " fileoff " |
| << Seg.fileoff << ")"; |
| outs() << "\n"; |
| total += Seg.vmsize; |
| uint64_t sec_total = 0; |
| for (unsigned J = 0; J < Seg.nsects; ++J) { |
| MachO::section_64 Sec = MachO->getSection64(Load, J); |
| if (Filetype == MachO::MH_OBJECT) |
| outs() << "\tSection (" << format("%.16s", &Sec.segname) << ", " |
| << format("%.16s", &Sec.sectname) << "): "; |
| else |
| outs() << "\tSection " << format("%.16s", &Sec.sectname) << ": "; |
| outs() << format(fmt.str().c_str(), Sec.size); |
| if (DarwinLongFormat) |
| outs() << " (addr 0x" << format("%" PRIx64, Sec.addr) << " offset " |
| << Sec.offset << ")"; |
| outs() << "\n"; |
| sec_total += Sec.size; |
| } |
| if (Seg.nsects != 0) |
| outs() << "\ttotal " << format(fmt.str().c_str(), sec_total) << "\n"; |
| } else if (Load.C.cmd == MachO::LC_SEGMENT) { |
| MachO::segment_command Seg = MachO->getSegmentLoadCommand(Load); |
| outs() << "Segment " << Seg.segname << ": " |
| << format(fmt.str().c_str(), Seg.vmsize); |
| if (DarwinLongFormat) |
| outs() << " (vmaddr 0x" << format("%" PRIx64, Seg.vmaddr) << " fileoff " |
| << Seg.fileoff << ")"; |
| outs() << "\n"; |
| total += Seg.vmsize; |
| uint64_t sec_total = 0; |
| for (unsigned J = 0; J < Seg.nsects; ++J) { |
| MachO::section Sec = MachO->getSection(Load, J); |
| if (Filetype == MachO::MH_OBJECT) |
| outs() << "\tSection (" << format("%.16s", &Sec.segname) << ", " |
| << format("%.16s", &Sec.sectname) << "): "; |
| else |
| outs() << "\tSection " << format("%.16s", &Sec.sectname) << ": "; |
| outs() << format(fmt.str().c_str(), Sec.size); |
| if (DarwinLongFormat) |
| outs() << " (addr 0x" << format("%" PRIx64, Sec.addr) << " offset " |
| << Sec.offset << ")"; |
| outs() << "\n"; |
| sec_total += Sec.size; |
| } |
| if (Seg.nsects != 0) |
| outs() << "\ttotal " << format(fmt.str().c_str(), sec_total) << "\n"; |
| } |
| } |
| outs() << "total " << format(fmt.str().c_str(), total) << "\n"; |
| } |
| |
| /// @brief Print the summary sizes of the standard Mach-O segments in @p MachO. |
| /// |
| /// This is when used when @c OutputFormat is berkeley with a Mach-O file and |
| /// produces the same output as darwin's size(1) default output. |
| static void PrintDarwinSegmentSizes(MachOObjectFile *MachO) { |
| uint64_t total_text = 0; |
| uint64_t total_data = 0; |
| uint64_t total_objc = 0; |
| uint64_t total_others = 0; |
| for (const auto &Load : MachO->load_commands()) { |
| if (Load.C.cmd == MachO::LC_SEGMENT_64) { |
| MachO::segment_command_64 Seg = MachO->getSegment64LoadCommand(Load); |
| if (MachO->getHeader().filetype == MachO::MH_OBJECT) { |
| for (unsigned J = 0; J < Seg.nsects; ++J) { |
| MachO::section_64 Sec = MachO->getSection64(Load, J); |
| StringRef SegmentName = StringRef(Sec.segname); |
| if (SegmentName == "__TEXT") |
| total_text += Sec.size; |
| else if (SegmentName == "__DATA") |
| total_data += Sec.size; |
| else if (SegmentName == "__OBJC") |
| total_objc += Sec.size; |
| else |
| total_others += Sec.size; |
| } |
| } else { |
| StringRef SegmentName = StringRef(Seg.segname); |
| if (SegmentName == "__TEXT") |
| total_text += Seg.vmsize; |
| else if (SegmentName == "__DATA") |
| total_data += Seg.vmsize; |
| else if (SegmentName == "__OBJC") |
| total_objc += Seg.vmsize; |
| else |
| total_others += Seg.vmsize; |
| } |
| } else if (Load.C.cmd == MachO::LC_SEGMENT) { |
| MachO::segment_command Seg = MachO->getSegmentLoadCommand(Load); |
| if (MachO->getHeader().filetype == MachO::MH_OBJECT) { |
| for (unsigned J = 0; J < Seg.nsects; ++J) { |
| MachO::section Sec = MachO->getSection(Load, J); |
| StringRef SegmentName = StringRef(Sec.segname); |
| if (SegmentName == "__TEXT") |
| total_text += Sec.size; |
| else if (SegmentName == "__DATA") |
| total_data += Sec.size; |
| else if (SegmentName == "__OBJC") |
| total_objc += Sec.size; |
| else |
| total_others += Sec.size; |
| } |
| } else { |
| StringRef SegmentName = StringRef(Seg.segname); |
| if (SegmentName == "__TEXT") |
| total_text += Seg.vmsize; |
| else if (SegmentName == "__DATA") |
| total_data += Seg.vmsize; |
| else if (SegmentName == "__OBJC") |
| total_objc += Seg.vmsize; |
| else |
| total_others += Seg.vmsize; |
| } |
| } |
| } |
| uint64_t total = total_text + total_data + total_objc + total_others; |
| |
| if (!berkeleyHeaderPrinted) { |
| outs() << "__TEXT\t__DATA\t__OBJC\tothers\tdec\thex\n"; |
| berkeleyHeaderPrinted = true; |
| } |
| outs() << total_text << "\t" << total_data << "\t" << total_objc << "\t" |
| << total_others << "\t" << total << "\t" << format("%" PRIx64, total) |
| << "\t"; |
| } |
| |
| /// @brief Print the size of each section in @p Obj. |
| /// |
| /// The format used is determined by @c OutputFormat and @c Radix. |
| static void PrintObjectSectionSizes(ObjectFile *Obj) { |
| uint64_t total = 0; |
| std::string fmtbuf; |
| raw_string_ostream fmt(fmtbuf); |
| const char *radix_fmt = getRadixFmt(); |
| |
| // If OutputFormat is darwin and we have a MachOObjectFile print as darwin's |
| // size(1) -m output, else if OutputFormat is darwin and not a Mach-O object |
| // let it fall through to OutputFormat berkeley. |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Obj); |
| if (OutputFormat == darwin && MachO) |
| PrintDarwinSectionSizes(MachO); |
| // If we have a MachOObjectFile and the OutputFormat is berkeley print as |
| // darwin's default berkeley format for Mach-O files. |
| else if (MachO && OutputFormat == berkeley) |
| PrintDarwinSegmentSizes(MachO); |
| else if (OutputFormat == sysv) { |
| // Run two passes over all sections. The first gets the lengths needed for |
| // formatting the output. The second actually does the output. |
| std::size_t max_name_len = strlen("section"); |
| std::size_t max_size_len = strlen("size"); |
| std::size_t max_addr_len = strlen("addr"); |
| for (const SectionRef &Section : Obj->sections()) { |
| uint64_t size = Section.getSize(); |
| total += size; |
| |
| StringRef name; |
| if (error(Section.getName(name))) |
| return; |
| uint64_t addr = Section.getAddress(); |
| max_name_len = std::max(max_name_len, name.size()); |
| max_size_len = std::max(max_size_len, getNumLengthAsString(size)); |
| max_addr_len = std::max(max_addr_len, getNumLengthAsString(addr)); |
| } |
| |
| // Add extra padding. |
| max_name_len += 2; |
| max_size_len += 2; |
| max_addr_len += 2; |
| |
| // Setup header format. |
| fmt << "%-" << max_name_len << "s " |
| << "%" << max_size_len << "s " |
| << "%" << max_addr_len << "s\n"; |
| |
| // Print header |
| outs() << format(fmt.str().c_str(), static_cast<const char *>("section"), |
| static_cast<const char *>("size"), |
| static_cast<const char *>("addr")); |
| fmtbuf.clear(); |
| |
| // Setup per section format. |
| fmt << "%-" << max_name_len << "s " |
| << "%#" << max_size_len << radix_fmt << " " |
| << "%#" << max_addr_len << radix_fmt << "\n"; |
| |
| // Print each section. |
| for (const SectionRef &Section : Obj->sections()) { |
| StringRef name; |
| if (error(Section.getName(name))) |
| return; |
| uint64_t size = Section.getSize(); |
| uint64_t addr = Section.getAddress(); |
| std::string namestr = name; |
| |
| outs() << format(fmt.str().c_str(), namestr.c_str(), size, addr); |
| } |
| |
| // Print total. |
| fmtbuf.clear(); |
| fmt << "%-" << max_name_len << "s " |
| << "%#" << max_size_len << radix_fmt << "\n"; |
| outs() << format(fmt.str().c_str(), static_cast<const char *>("Total"), |
| total); |
| } else { |
| // The Berkeley format does not display individual section sizes. It |
| // displays the cumulative size for each section type. |
| uint64_t total_text = 0; |
| uint64_t total_data = 0; |
| uint64_t total_bss = 0; |
| |
| // Make one pass over the section table to calculate sizes. |
| for (const SectionRef &Section : Obj->sections()) { |
| uint64_t size = Section.getSize(); |
| bool isText = Section.isText(); |
| bool isData = Section.isData(); |
| bool isBSS = Section.isBSS(); |
| if (isText) |
| total_text += size; |
| else if (isData) |
| total_data += size; |
| else if (isBSS) |
| total_bss += size; |
| } |
| |
| total = total_text + total_data + total_bss; |
| |
| if (!berkeleyHeaderPrinted) { |
| outs() << " text data bss " |
| << (Radix == octal ? "oct" : "dec") << " hex filename\n"; |
| berkeleyHeaderPrinted = true; |
| } |
| |
| // Print result. |
| fmt << "%#7" << radix_fmt << " " |
| << "%#7" << radix_fmt << " " |
| << "%#7" << radix_fmt << " "; |
| outs() << format(fmt.str().c_str(), total_text, total_data, total_bss); |
| fmtbuf.clear(); |
| fmt << "%7" << (Radix == octal ? PRIo64 : PRIu64) << " " |
| << "%7" PRIx64 " "; |
| outs() << format(fmt.str().c_str(), total, total); |
| } |
| } |
| |
| /// @brief Checks to see if the @p o ObjectFile is a Mach-O file and if it is |
| /// and there is a list of architecture flags specified then check to |
| /// make sure this Mach-O file is one of those architectures or all |
| /// architectures was specificed. If not then an error is generated and |
| /// this routine returns false. Else it returns true. |
| static bool checkMachOAndArchFlags(ObjectFile *o, StringRef file) { |
| if (isa<MachOObjectFile>(o) && !ArchAll && ArchFlags.size() != 0) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| bool ArchFound = false; |
| MachO::mach_header H; |
| MachO::mach_header_64 H_64; |
| Triple T; |
| if (MachO->is64Bit()) { |
| H_64 = MachO->MachOObjectFile::getHeader64(); |
| T = MachOObjectFile::getArch(H_64.cputype, H_64.cpusubtype); |
| } else { |
| H = MachO->MachOObjectFile::getHeader(); |
| T = MachOObjectFile::getArch(H.cputype, H.cpusubtype); |
| } |
| unsigned i; |
| for (i = 0; i < ArchFlags.size(); ++i) { |
| if (ArchFlags[i] == T.getArchName()) |
| ArchFound = true; |
| break; |
| } |
| if (!ArchFound) { |
| errs() << ToolName << ": file: " << file |
| << " does not contain architecture: " << ArchFlags[i] << ".\n"; |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /// @brief Print the section sizes for @p file. If @p file is an archive, print |
| /// the section sizes for each archive member. |
| static void PrintFileSectionSizes(StringRef file) { |
| |
| // Attempt to open the binary. |
| ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(file); |
| if (std::error_code EC = BinaryOrErr.getError()) { |
| errs() << ToolName << ": " << file << ": " << EC.message() << ".\n"; |
| return; |
| } |
| Binary &Bin = *BinaryOrErr.get().getBinary(); |
| |
| if (Archive *a = dyn_cast<Archive>(&Bin)) { |
| // This is an archive. Iterate over each member and display its sizes. |
| for (object::Archive::child_iterator i = a->child_begin(), |
| e = a->child_end(); |
| i != e; ++i) { |
| if (i->getError()) { |
| errs() << ToolName << ": " << file << ": " << i->getError().message() |
| << ".\n"; |
| exit(1); |
| } |
| auto &c = i->get(); |
| ErrorOr<std::unique_ptr<Binary>> ChildOrErr = c.getAsBinary(); |
| if (std::error_code EC = ChildOrErr.getError()) { |
| errs() << ToolName << ": " << file << ": " << EC.message() << ".\n"; |
| continue; |
| } |
| if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| if (!checkMachOAndArchFlags(o, file)) |
| return; |
| if (OutputFormat == sysv) |
| outs() << o->getFileName() << " (ex " << a->getFileName() << "):\n"; |
| else if (MachO && OutputFormat == darwin) |
| outs() << a->getFileName() << "(" << o->getFileName() << "):\n"; |
| PrintObjectSectionSizes(o); |
| if (OutputFormat == berkeley) { |
| if (MachO) |
| outs() << a->getFileName() << "(" << o->getFileName() << ")\n"; |
| else |
| outs() << o->getFileName() << " (ex " << a->getFileName() << ")\n"; |
| } |
| } |
| } |
| } else if (MachOUniversalBinary *UB = |
| dyn_cast<MachOUniversalBinary>(&Bin)) { |
| // If we have a list of architecture flags specified dump only those. |
| if (!ArchAll && ArchFlags.size() != 0) { |
| // Look for a slice in the universal binary that matches each ArchFlag. |
| bool ArchFound; |
| for (unsigned i = 0; i < ArchFlags.size(); ++i) { |
| ArchFound = false; |
| for (MachOUniversalBinary::object_iterator I = UB->begin_objects(), |
| E = UB->end_objects(); |
| I != E; ++I) { |
| if (ArchFlags[i] == I->getArchTypeName()) { |
| ArchFound = true; |
| ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile(); |
| if (UO) { |
| if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| if (OutputFormat == sysv) |
| outs() << o->getFileName() << " :\n"; |
| else if (MachO && OutputFormat == darwin) { |
| if (moreThanOneFile || ArchFlags.size() > 1) |
| outs() << o->getFileName() << " (for architecture " |
| << I->getArchTypeName() << "): \n"; |
| } |
| PrintObjectSectionSizes(o); |
| if (OutputFormat == berkeley) { |
| if (!MachO || moreThanOneFile || ArchFlags.size() > 1) |
| outs() << o->getFileName() << " (for architecture " |
| << I->getArchTypeName() << ")"; |
| outs() << "\n"; |
| } |
| } |
| } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = |
| I->getAsArchive()) { |
| std::unique_ptr<Archive> &UA = *AOrErr; |
| // This is an archive. Iterate over each member and display its |
| // sizes. |
| for (object::Archive::child_iterator i = UA->child_begin(), |
| e = UA->child_end(); |
| i != e; ++i) { |
| if (std::error_code EC = i->getError()) { |
| errs() << ToolName << ": " << file << ": " << EC.message() |
| << ".\n"; |
| exit(1); |
| } |
| auto &c = i->get(); |
| ErrorOr<std::unique_ptr<Binary>> ChildOrErr = c.getAsBinary(); |
| if (std::error_code EC = ChildOrErr.getError()) { |
| errs() << ToolName << ": " << file << ": " << EC.message() |
| << ".\n"; |
| continue; |
| } |
| if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| if (OutputFormat == sysv) |
| outs() << o->getFileName() << " (ex " << UA->getFileName() |
| << "):\n"; |
| else if (MachO && OutputFormat == darwin) |
| outs() << UA->getFileName() << "(" << o->getFileName() |
| << ")" |
| << " (for architecture " << I->getArchTypeName() |
| << "):\n"; |
| PrintObjectSectionSizes(o); |
| if (OutputFormat == berkeley) { |
| if (MachO) { |
| outs() << UA->getFileName() << "(" << o->getFileName() |
| << ")"; |
| if (ArchFlags.size() > 1) |
| outs() << " (for architecture " << I->getArchTypeName() |
| << ")"; |
| outs() << "\n"; |
| } else |
| outs() << o->getFileName() << " (ex " << UA->getFileName() |
| << ")\n"; |
| } |
| } |
| } |
| } |
| } |
| } |
| if (!ArchFound) { |
| errs() << ToolName << ": file: " << file |
| << " does not contain architecture" << ArchFlags[i] << ".\n"; |
| return; |
| } |
| } |
| return; |
| } |
| // No architecture flags were specified so if this contains a slice that |
| // matches the host architecture dump only that. |
| if (!ArchAll) { |
| StringRef HostArchName = MachOObjectFile::getHostArch().getArchName(); |
| for (MachOUniversalBinary::object_iterator I = UB->begin_objects(), |
| E = UB->end_objects(); |
| I != E; ++I) { |
| if (HostArchName == I->getArchTypeName()) { |
| ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile(); |
| if (UO) { |
| if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| if (OutputFormat == sysv) |
| outs() << o->getFileName() << " :\n"; |
| else if (MachO && OutputFormat == darwin) { |
| if (moreThanOneFile) |
| outs() << o->getFileName() << " (for architecture " |
| << I->getArchTypeName() << "):\n"; |
| } |
| PrintObjectSectionSizes(o); |
| if (OutputFormat == berkeley) { |
| if (!MachO || moreThanOneFile) |
| outs() << o->getFileName() << " (for architecture " |
| << I->getArchTypeName() << ")"; |
| outs() << "\n"; |
| } |
| } |
| } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = |
| I->getAsArchive()) { |
| std::unique_ptr<Archive> &UA = *AOrErr; |
| // This is an archive. Iterate over each member and display its |
| // sizes. |
| for (object::Archive::child_iterator i = UA->child_begin(), |
| e = UA->child_end(); |
| i != e; ++i) { |
| if (std::error_code EC = i->getError()) { |
| errs() << ToolName << ": " << file << ": " << EC.message() |
| << ".\n"; |
| exit(1); |
| } |
| auto &c = i->get(); |
| ErrorOr<std::unique_ptr<Binary>> ChildOrErr = c.getAsBinary(); |
| if (std::error_code EC = ChildOrErr.getError()) { |
| errs() << ToolName << ": " << file << ": " << EC.message() |
| << ".\n"; |
| continue; |
| } |
| if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| if (OutputFormat == sysv) |
| outs() << o->getFileName() << " (ex " << UA->getFileName() |
| << "):\n"; |
| else if (MachO && OutputFormat == darwin) |
| outs() << UA->getFileName() << "(" << o->getFileName() << ")" |
| << " (for architecture " << I->getArchTypeName() |
| << "):\n"; |
| PrintObjectSectionSizes(o); |
| if (OutputFormat == berkeley) { |
| if (MachO) |
| outs() << UA->getFileName() << "(" << o->getFileName() |
| << ")\n"; |
| else |
| outs() << o->getFileName() << " (ex " << UA->getFileName() |
| << ")\n"; |
| } |
| } |
| } |
| } |
| return; |
| } |
| } |
| } |
| // Either all architectures have been specified or none have been specified |
| // and this does not contain the host architecture so dump all the slices. |
| bool moreThanOneArch = UB->getNumberOfObjects() > 1; |
| for (MachOUniversalBinary::object_iterator I = UB->begin_objects(), |
| E = UB->end_objects(); |
| I != E; ++I) { |
| ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile(); |
| if (UO) { |
| if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| if (OutputFormat == sysv) |
| outs() << o->getFileName() << " :\n"; |
| else if (MachO && OutputFormat == darwin) { |
| if (moreThanOneFile || moreThanOneArch) |
| outs() << o->getFileName() << " (for architecture " |
| << I->getArchTypeName() << "):"; |
| outs() << "\n"; |
| } |
| PrintObjectSectionSizes(o); |
| if (OutputFormat == berkeley) { |
| if (!MachO || moreThanOneFile || moreThanOneArch) |
| outs() << o->getFileName() << " (for architecture " |
| << I->getArchTypeName() << ")"; |
| outs() << "\n"; |
| } |
| } |
| } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = |
| I->getAsArchive()) { |
| std::unique_ptr<Archive> &UA = *AOrErr; |
| // This is an archive. Iterate over each member and display its sizes. |
| for (object::Archive::child_iterator i = UA->child_begin(), |
| e = UA->child_end(); |
| i != e; ++i) { |
| if (std::error_code EC = i->getError()) { |
| errs() << ToolName << ": " << file << ": " << EC.message() << ".\n"; |
| exit(1); |
| } |
| auto &c = i->get(); |
| ErrorOr<std::unique_ptr<Binary>> ChildOrErr = c.getAsBinary(); |
| if (std::error_code EC = ChildOrErr.getError()) { |
| errs() << ToolName << ": " << file << ": " << EC.message() << ".\n"; |
| continue; |
| } |
| if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| if (OutputFormat == sysv) |
| outs() << o->getFileName() << " (ex " << UA->getFileName() |
| << "):\n"; |
| else if (MachO && OutputFormat == darwin) |
| outs() << UA->getFileName() << "(" << o->getFileName() << ")" |
| << " (for architecture " << I->getArchTypeName() << "):\n"; |
| PrintObjectSectionSizes(o); |
| if (OutputFormat == berkeley) { |
| if (MachO) |
| outs() << UA->getFileName() << "(" << o->getFileName() << ")" |
| << " (for architecture " << I->getArchTypeName() |
| << ")\n"; |
| else |
| outs() << o->getFileName() << " (ex " << UA->getFileName() |
| << ")\n"; |
| } |
| } |
| } |
| } |
| } |
| } else if (ObjectFile *o = dyn_cast<ObjectFile>(&Bin)) { |
| if (!checkMachOAndArchFlags(o, file)) |
| return; |
| if (OutputFormat == sysv) |
| outs() << o->getFileName() << " :\n"; |
| PrintObjectSectionSizes(o); |
| if (OutputFormat == berkeley) { |
| MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o); |
| if (!MachO || moreThanOneFile) |
| outs() << o->getFileName(); |
| outs() << "\n"; |
| } |
| } else { |
| errs() << ToolName << ": " << file << ": " |
| << "Unrecognized file type.\n"; |
| } |
| // System V adds an extra newline at the end of each file. |
| if (OutputFormat == sysv) |
| outs() << "\n"; |
| } |
| |
| int main(int argc, char **argv) { |
| // Print a stack trace if we signal out. |
| sys::PrintStackTraceOnErrorSignal(); |
| PrettyStackTraceProgram X(argc, argv); |
| |
| llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. |
| cl::ParseCommandLineOptions(argc, argv, "llvm object size dumper\n"); |
| |
| ToolName = argv[0]; |
| if (OutputFormatShort.getNumOccurrences()) |
| OutputFormat = static_cast<OutputFormatTy>(OutputFormatShort); |
| if (RadixShort.getNumOccurrences()) |
| Radix = RadixShort; |
| |
| for (unsigned i = 0; i < ArchFlags.size(); ++i) { |
| if (ArchFlags[i] == "all") { |
| ArchAll = true; |
| } else { |
| if (!MachOObjectFile::isValidArch(ArchFlags[i])) { |
| outs() << ToolName << ": for the -arch option: Unknown architecture " |
| << "named '" << ArchFlags[i] << "'"; |
| return 1; |
| } |
| } |
| } |
| |
| if (InputFilenames.size() == 0) |
| InputFilenames.push_back("a.out"); |
| |
| moreThanOneFile = InputFilenames.size() > 1; |
| std::for_each(InputFilenames.begin(), InputFilenames.end(), |
| PrintFileSectionSizes); |
| |
| return 0; |
| } |
