forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			895 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			895 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- llvm-size.cpp - Print the size of each object section ---*- 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
 | |
| //
 | |
| //===----------------------------------------------------------------------===//
 | |
| //
 | |
| // 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/ELFObjectFile.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/InitLLVM.h"
 | |
| #include "llvm/Support/MemoryBuffer.h"
 | |
| #include "llvm/Support/WithColor.h"
 | |
| #include "llvm/Support/raw_ostream.h"
 | |
| #include <algorithm>
 | |
| #include <string>
 | |
| #include <system_error>
 | |
| 
 | |
| using namespace llvm;
 | |
| using namespace object;
 | |
| 
 | |
| cl::OptionCategory SizeCat("llvm-size Options");
 | |
| 
 | |
| 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")),
 | |
|                  cl::init(berkeley), cl::cat(SizeCat));
 | |
| 
 | |
| 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")),
 | |
|                       cl::init(berkeley), cl::cat(SizeCat));
 | |
| 
 | |
| static bool BerkeleyHeaderPrinted = false;
 | |
| static bool MoreThanOneFile = false;
 | |
| static uint64_t TotalObjectText = 0;
 | |
| static uint64_t TotalObjectData = 0;
 | |
| static uint64_t TotalObjectBss = 0;
 | |
| static uint64_t TotalObjectTotal = 0;
 | |
| 
 | |
| cl::opt<bool>
 | |
|     DarwinLongFormat("l",
 | |
|                      cl::desc("When format is darwin, use long format "
 | |
|                               "to include addresses and offsets."),
 | |
|                      cl::cat(SizeCat));
 | |
| 
 | |
| cl::opt<bool>
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|     ELFCommons("common",
 | |
|                cl::desc("Print common symbols in the ELF file.  When using "
 | |
|                         "Berkeley format, this is added to bss."),
 | |
|                cl::init(false), cl::cat(SizeCat));
 | |
| 
 | |
| static cl::list<std::string>
 | |
|     ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
 | |
|               cl::ZeroOrMore, cl::cat(SizeCat));
 | |
| static bool ArchAll = false;
 | |
| 
 | |
| enum RadixTy { octal = 8, decimal = 10, hexadecimal = 16 };
 | |
| static cl::opt<RadixTy> Radix(
 | |
|     "radix", cl::desc("Print size in radix"), cl::init(decimal),
 | |
|     cl::values(clEnumValN(octal, "8", "Print size in octal"),
 | |
|                clEnumValN(decimal, "10", "Print size in decimal"),
 | |
|                clEnumValN(hexadecimal, "16", "Print size in hexadecimal")),
 | |
|     cl::cat(SizeCat));
 | |
| 
 | |
| 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")),
 | |
|     cl::init(decimal), cl::cat(SizeCat));
 | |
| 
 | |
| static cl::opt<bool>
 | |
|     TotalSizes("totals",
 | |
|                cl::desc("Print totals of all objects - Berkeley format only"),
 | |
|                cl::init(false), cl::cat(SizeCat));
 | |
| 
 | |
| static cl::alias TotalSizesShort("t", cl::desc("Short for --totals"),
 | |
|                                  cl::aliasopt(TotalSizes));
 | |
| 
 | |
| static cl::list<std::string>
 | |
|     InputFilenames(cl::Positional, cl::desc("<input files>"), cl::ZeroOrMore);
 | |
| 
 | |
| static cl::extrahelp
 | |
|     HelpResponse("\nPass @FILE as argument to read options from FILE.\n");
 | |
| 
 | |
| static bool HadError = false;
 | |
| 
 | |
| static std::string ToolName;
 | |
| 
 | |
| static void error(const Twine &Message, StringRef File) {
 | |
|   HadError = true;
 | |
|   WithColor::error(errs(), ToolName) << "'" << File << "': " << Message << "\n";
 | |
| }
 | |
| 
 | |
| // This version of error() prints the archive name and member name, for example:
 | |
| // "libx.a(foo.o)" after the ToolName before the error message.  It sets
 | |
| // HadError but returns allowing the code to move on to other archive members.
 | |
| static void error(llvm::Error E, StringRef FileName, const Archive::Child &C,
 | |
|                   StringRef ArchitectureName = StringRef()) {
 | |
|   HadError = true;
 | |
|   WithColor::error(errs(), ToolName) << "'" << FileName << "'";
 | |
| 
 | |
|   Expected<StringRef> NameOrErr = C.getName();
 | |
|   // TODO: if we have a error getting the name then it would be nice to print
 | |
|   // the index of which archive member this is and or its offset in the
 | |
|   // archive instead of "???" as the name.
 | |
|   if (!NameOrErr) {
 | |
|     consumeError(NameOrErr.takeError());
 | |
|     errs() << "(" << "???" << ")";
 | |
|   } else
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|     errs() << "(" << NameOrErr.get() << ")";
 | |
| 
 | |
|   if (!ArchitectureName.empty())
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|     errs() << " (for architecture " << ArchitectureName << ") ";
 | |
| 
 | |
|   std::string Buf;
 | |
|   raw_string_ostream OS(Buf);
 | |
|   logAllUnhandledErrors(std::move(E), OS);
 | |
|   OS.flush();
 | |
|   errs() << ": " << Buf << "\n";
 | |
| }
 | |
| 
 | |
| // This version of error() prints the file name and which architecture slice it // is from, for example: "foo.o (for architecture i386)" after the ToolName
 | |
| // before the error message.  It sets HadError but returns allowing the code to
 | |
| // move on to other architecture slices.
 | |
| static void error(llvm::Error E, StringRef FileName,
 | |
|                   StringRef ArchitectureName = StringRef()) {
 | |
|   HadError = true;
 | |
|   WithColor::error(errs(), ToolName) << "'" << FileName << "'";
 | |
| 
 | |
|   if (!ArchitectureName.empty())
 | |
|     errs() << " (for architecture " << ArchitectureName << ") ";
 | |
| 
 | |
|   std::string Buf;
 | |
|   raw_string_ostream OS(Buf);
 | |
|   logAllUnhandledErrors(std::move(E), OS);
 | |
|   OS.flush();
 | |
|   errs() << ": " << Buf << "\n";
 | |
| }
 | |
| 
 | |
| /// 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();
 | |
| }
 | |
| 
 | |
| /// 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;
 | |
| }
 | |
| 
 | |
| /// Remove unneeded ELF sections from calculation
 | |
| static bool considerForSize(ObjectFile *Obj, SectionRef Section) {
 | |
|   if (!Obj->isELF())
 | |
|     return true;
 | |
|   switch (static_cast<ELFSectionRef>(Section).getType()) {
 | |
|   case ELF::SHT_NULL:
 | |
|   case ELF::SHT_SYMTAB:
 | |
|   case ELF::SHT_STRTAB:
 | |
|   case ELF::SHT_REL:
 | |
|   case ELF::SHT_RELA:
 | |
|     return false;
 | |
|   }
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| /// Total size of all ELF common symbols
 | |
| static uint64_t getCommonSize(ObjectFile *Obj) {
 | |
|   uint64_t TotalCommons = 0;
 | |
|   for (auto &Sym : Obj->symbols())
 | |
|     if (Obj->getSymbolFlags(Sym.getRawDataRefImpl()) & SymbolRef::SF_Common)
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|       TotalCommons += Obj->getCommonSymbolSize(Sym.getRawDataRefImpl());
 | |
|   return TotalCommons;
 | |
| }
 | |
| 
 | |
| /// 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) {
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|       MachO::segment_command_64 Seg = MachO->getSegment64LoadCommand(Load);
 | |
|       outs() << "Segment " << Seg.segname << ": "
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|              << 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)
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|           outs() << " (addr 0x" << format("%" PRIx64, Sec.addr) << " offset "
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|                  << 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);
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|       uint64_t Seg_vmsize = Seg.vmsize;
 | |
|       outs() << "Segment " << Seg.segname << ": "
 | |
|              << format(fmt.str().c_str(), Seg_vmsize);
 | |
|       if (DarwinLongFormat)
 | |
|         outs() << " (vmaddr 0x" << format("%" PRIx32, 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)
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|           outs() << "\tSection (" << format("%.16s", &Sec.segname) << ", "
 | |
|                  << format("%.16s", &Sec.sectname) << "): ";
 | |
|         else
 | |
|           outs() << "\tSection " << format("%.16s", &Sec.sectname) << ": ";
 | |
|         uint64_t Sec_size = Sec.size;
 | |
|         outs() << format(fmt.str().c_str(), Sec_size);
 | |
|         if (DarwinLongFormat)
 | |
|           outs() << " (addr 0x" << format("%" PRIx32, 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";
 | |
| }
 | |
| 
 | |
| /// 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";
 | |
| }
 | |
| 
 | |
| /// 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()) {
 | |
|       if (!considerForSize(Obj, Section))
 | |
|         continue;
 | |
|       uint64_t size = Section.getSize();
 | |
|       total += size;
 | |
| 
 | |
|       Expected<StringRef> name_or_err = Section.getName();
 | |
|       if (!name_or_err) {
 | |
|         error(name_or_err.takeError(), Obj->getFileName());
 | |
|         return;
 | |
|       }
 | |
| 
 | |
|       uint64_t addr = Section.getAddress();
 | |
|       max_name_len = std::max(max_name_len, name_or_err->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()) {
 | |
|       if (!considerForSize(Obj, Section))
 | |
|         continue;
 | |
| 
 | |
|       Expected<StringRef> name_or_err = Section.getName();
 | |
|       if (!name_or_err) {
 | |
|         error(name_or_err.takeError(), Obj->getFileName());
 | |
|         return;
 | |
|       }
 | |
| 
 | |
|       uint64_t size = Section.getSize();
 | |
|       uint64_t addr = Section.getAddress();
 | |
|       outs() << format(fmt.str().c_str(), name_or_err->str().c_str(), size, addr);
 | |
|     }
 | |
| 
 | |
|     if (ELFCommons) {
 | |
|       uint64_t CommonSize = getCommonSize(Obj);
 | |
|       total += CommonSize;
 | |
|       outs() << format(fmt.str().c_str(), std::string("*COM*").c_str(),
 | |
|                        CommonSize, static_cast<uint64_t>(0));
 | |
|     }
 | |
| 
 | |
|     // 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)
 | |
|            << "\n\n";
 | |
|   } 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.isBerkeleyText();
 | |
|       bool isData = Section.isBerkeleyData();
 | |
|       bool isBSS = Section.isBSS();
 | |
|       if (isText)
 | |
|         total_text += size;
 | |
|       else if (isData)
 | |
|         total_data += size;
 | |
|       else if (isBSS)
 | |
|         total_bss += size;
 | |
|     }
 | |
| 
 | |
|     if (ELFCommons)
 | |
|       total_bss += getCommonSize(Obj);
 | |
| 
 | |
|     total = total_text + total_data + total_bss;
 | |
| 
 | |
|     if (TotalSizes) {
 | |
|       TotalObjectText += total_text;
 | |
|       TotalObjectData += total_data;
 | |
|       TotalObjectBss += total_bss;
 | |
|       TotalObjectTotal += total;
 | |
|     }
 | |
| 
 | |
|     if (!BerkeleyHeaderPrinted) {
 | |
|       outs() << "   text\t"
 | |
|                 "   data\t"
 | |
|                 "    bss\t"
 | |
|                 "    "
 | |
|              << (Radix == octal ? "oct" : "dec")
 | |
|              << "\t"
 | |
|                 "    hex\t"
 | |
|                 "filename\n";
 | |
|       BerkeleyHeaderPrinted = true;
 | |
|     }
 | |
| 
 | |
|     // Print result.
 | |
|     fmt << "%#7" << radix_fmt << "\t"
 | |
|         << "%#7" << radix_fmt << "\t"
 | |
|         << "%#7" << radix_fmt << "\t";
 | |
|     outs() << format(fmt.str().c_str(), total_text, total_data, total_bss);
 | |
|     fmtbuf.clear();
 | |
|     fmt << "%7" << (Radix == octal ? PRIo64 : PRIu64) << "\t"
 | |
|         << "%7" PRIx64 "\t";
 | |
|     outs() << format(fmt.str().c_str(), total, total);
 | |
|   }
 | |
| }
 | |
| 
 | |
| /// 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 Filename) {
 | |
|   auto *MachO = dyn_cast<MachOObjectFile>(O);
 | |
| 
 | |
|   if (!MachO || ArchAll || ArchFlags.empty())
 | |
|     return true;
 | |
| 
 | |
|   MachO::mach_header H;
 | |
|   MachO::mach_header_64 H_64;
 | |
|   Triple T;
 | |
|   if (MachO->is64Bit()) {
 | |
|     H_64 = MachO->MachOObjectFile::getHeader64();
 | |
|     T = MachOObjectFile::getArchTriple(H_64.cputype, H_64.cpusubtype);
 | |
|   } else {
 | |
|     H = MachO->MachOObjectFile::getHeader();
 | |
|     T = MachOObjectFile::getArchTriple(H.cputype, H.cpusubtype);
 | |
|   }
 | |
|   if (none_of(ArchFlags, [&](const std::string &Name) {
 | |
|         return Name == T.getArchName();
 | |
|       })) {
 | |
|     error("no architecture specified", Filename);
 | |
|     return false;
 | |
|   }
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| /// 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.
 | |
|   Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(file);
 | |
|   if (!BinaryOrErr) {
 | |
|     error(BinaryOrErr.takeError(), file);
 | |
|     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.
 | |
|     Error Err = Error::success();
 | |
|     for (auto &C : a->children(Err)) {
 | |
|       Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
 | |
|       if (!ChildOrErr) {
 | |
|         if (auto E = isNotObjectErrorInvalidFileType(ChildOrErr.takeError()))
 | |
|           error(std::move(E), a->getFileName(), C);
 | |
|         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";
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     if (Err)
 | |
|       error(std::move(Err), a->getFileName());
 | |
|   } else if (MachOUniversalBinary *UB =
 | |
|                  dyn_cast<MachOUniversalBinary>(&Bin)) {
 | |
|     // If we have a list of architecture flags specified dump only those.
 | |
|     if (!ArchAll && !ArchFlags.empty()) {
 | |
|       // 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->getArchFlagName()) {
 | |
|             ArchFound = true;
 | |
|             Expected<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->getArchFlagName() << "): \n";
 | |
|                 }
 | |
|                 printObjectSectionSizes(o);
 | |
|                 if (OutputFormat == berkeley) {
 | |
|                   if (!MachO || MoreThanOneFile || ArchFlags.size() > 1)
 | |
|                     outs() << o->getFileName() << " (for architecture "
 | |
|                            << I->getArchFlagName() << ")";
 | |
|                   outs() << "\n";
 | |
|                 }
 | |
|               }
 | |
|             } else if (auto E = isNotObjectErrorInvalidFileType(
 | |
|                        UO.takeError())) {
 | |
|               error(std::move(E), file, ArchFlags.size() > 1 ?
 | |
|                     StringRef(I->getArchFlagName()) : StringRef());
 | |
|               return;
 | |
|             } else if (Expected<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.
 | |
|               Error Err = Error::success();
 | |
|               for (auto &C : UA->children(Err)) {
 | |
|                 Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
 | |
|                 if (!ChildOrErr) {
 | |
|                   if (auto E = isNotObjectErrorInvalidFileType(
 | |
|                                     ChildOrErr.takeError()))
 | |
|                     error(std::move(E), UA->getFileName(), C,
 | |
|                           ArchFlags.size() > 1 ?
 | |
|                           StringRef(I->getArchFlagName()) : StringRef());
 | |
|                   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->getArchFlagName()
 | |
|                            << "):\n";
 | |
|                   printObjectSectionSizes(o);
 | |
|                   if (OutputFormat == berkeley) {
 | |
|                     if (MachO) {
 | |
|                       outs() << UA->getFileName() << "(" << o->getFileName()
 | |
|                              << ")";
 | |
|                       if (ArchFlags.size() > 1)
 | |
|                         outs() << " (for architecture " << I->getArchFlagName()
 | |
|                                << ")";
 | |
|                       outs() << "\n";
 | |
|                     } else
 | |
|                       outs() << o->getFileName() << " (ex " << UA->getFileName()
 | |
|                              << ")\n";
 | |
|                   }
 | |
|                 }
 | |
|               }
 | |
|               if (Err)
 | |
|                 error(std::move(Err), UA->getFileName());
 | |
|             } else {
 | |
|               consumeError(AOrErr.takeError());
 | |
|               error("mach-o universal file for architecture " +
 | |
|                         StringRef(I->getArchFlagName()) +
 | |
|                         " is not a mach-o file or an archive file",
 | |
|                     file);
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|         if (!ArchFound) {
 | |
|           error("file does not contain architecture " + ArchFlags[i], file);
 | |
|           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->getArchFlagName()) {
 | |
|           Expected<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->getArchFlagName() << "):\n";
 | |
|               }
 | |
|               printObjectSectionSizes(o);
 | |
|               if (OutputFormat == berkeley) {
 | |
|                 if (!MachO || MoreThanOneFile)
 | |
|                   outs() << o->getFileName() << " (for architecture "
 | |
|                          << I->getArchFlagName() << ")";
 | |
|                 outs() << "\n";
 | |
|               }
 | |
|             }
 | |
|           } else if (auto E = isNotObjectErrorInvalidFileType(UO.takeError())) {
 | |
|             error(std::move(E), file);
 | |
|             return;
 | |
|           } else if (Expected<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.
 | |
|             Error Err = Error::success();
 | |
|             for (auto &C : UA->children(Err)) {
 | |
|               Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
 | |
|               if (!ChildOrErr) {
 | |
|                 if (auto E = isNotObjectErrorInvalidFileType(
 | |
|                                 ChildOrErr.takeError()))
 | |
|                   error(std::move(E), UA->getFileName(), C);
 | |
|                 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->getArchFlagName()
 | |
|                          << "):\n";
 | |
|                 printObjectSectionSizes(o);
 | |
|                 if (OutputFormat == berkeley) {
 | |
|                   if (MachO)
 | |
|                     outs() << UA->getFileName() << "(" << o->getFileName()
 | |
|                            << ")\n";
 | |
|                   else
 | |
|                     outs() << o->getFileName() << " (ex " << UA->getFileName()
 | |
|                            << ")\n";
 | |
|                 }
 | |
|               }
 | |
|             }
 | |
|             if (Err)
 | |
|               error(std::move(Err), UA->getFileName());
 | |
|           } else {
 | |
|             consumeError(AOrErr.takeError());
 | |
|             error("mach-o universal file for architecture " +
 | |
|                       StringRef(I->getArchFlagName()) +
 | |
|                       " is not a mach-o file or an archive file",
 | |
|                   file);
 | |
|           }
 | |
|           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) {
 | |
|       Expected<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->getArchFlagName() << "):";
 | |
|             outs() << "\n";
 | |
|           }
 | |
|           printObjectSectionSizes(o);
 | |
|           if (OutputFormat == berkeley) {
 | |
|             if (!MachO || MoreThanOneFile || MoreThanOneArch)
 | |
|               outs() << o->getFileName() << " (for architecture "
 | |
|                      << I->getArchFlagName() << ")";
 | |
|             outs() << "\n";
 | |
|           }
 | |
|         }
 | |
|       } else if (auto E = isNotObjectErrorInvalidFileType(UO.takeError())) {
 | |
|         error(std::move(E), file, MoreThanOneArch ?
 | |
|               StringRef(I->getArchFlagName()) : StringRef());
 | |
|         return;
 | |
|       } else if (Expected<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.
 | |
|         Error Err = Error::success();
 | |
|         for (auto &C : UA->children(Err)) {
 | |
|           Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
 | |
|           if (!ChildOrErr) {
 | |
|             if (auto E = isNotObjectErrorInvalidFileType(
 | |
|                               ChildOrErr.takeError()))
 | |
|               error(std::move(E), UA->getFileName(), C, MoreThanOneArch ?
 | |
|                     StringRef(I->getArchFlagName()) : StringRef());
 | |
|             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->getArchFlagName() << "):\n";
 | |
|             printObjectSectionSizes(o);
 | |
|             if (OutputFormat == berkeley) {
 | |
|               if (MachO)
 | |
|                 outs() << UA->getFileName() << "(" << o->getFileName() << ")"
 | |
|                        << " (for architecture " << I->getArchFlagName()
 | |
|                        << ")\n";
 | |
|               else
 | |
|                 outs() << o->getFileName() << " (ex " << UA->getFileName()
 | |
|                        << ")\n";
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|         if (Err)
 | |
|           error(std::move(Err), UA->getFileName());
 | |
|       } else {
 | |
|         consumeError(AOrErr.takeError());
 | |
|         error("mach-o universal file for architecture " +
 | |
|                   StringRef(I->getArchFlagName()) +
 | |
|                   " is not a mach-o file or an archive file",
 | |
|               file);
 | |
|       }
 | |
|     }
 | |
|   } else if (ObjectFile *o = dyn_cast<ObjectFile>(&Bin)) {
 | |
|     if (!checkMachOAndArchFlags(o, file))
 | |
|       return;
 | |
|     MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
 | |
|     if (OutputFormat == sysv)
 | |
|       outs() << o->getFileName() << "  :\n";
 | |
|     else if (MachO && OutputFormat == darwin && MoreThanOneFile)
 | |
|       outs() << o->getFileName() << ":\n";
 | |
|     printObjectSectionSizes(o);
 | |
|     if (OutputFormat == berkeley) {
 | |
|       if (!MachO || MoreThanOneFile)
 | |
|         outs() << o->getFileName();
 | |
|       outs() << "\n";
 | |
|     }
 | |
|   } else {
 | |
|     error("unsupported file type", file);
 | |
|   }
 | |
| }
 | |
| 
 | |
| static void printBerkeleyTotals() {
 | |
|   std::string fmtbuf;
 | |
|   raw_string_ostream fmt(fmtbuf);
 | |
|   const char *radix_fmt = getRadixFmt();
 | |
|   fmt << "%#7" << radix_fmt << "\t"
 | |
|       << "%#7" << radix_fmt << "\t"
 | |
|       << "%#7" << radix_fmt << "\t";
 | |
|   outs() << format(fmt.str().c_str(), TotalObjectText, TotalObjectData,
 | |
|                    TotalObjectBss);
 | |
|   fmtbuf.clear();
 | |
|   fmt << "%7" << (Radix == octal ? PRIo64 : PRIu64) << "\t"
 | |
|       << "%7" PRIx64 "\t";
 | |
|   outs() << format(fmt.str().c_str(), TotalObjectTotal, TotalObjectTotal)
 | |
|          << "(TOTALS)\n";
 | |
| }
 | |
| 
 | |
| int main(int argc, char **argv) {
 | |
|   InitLLVM X(argc, argv);
 | |
|   cl::HideUnrelatedOptions(SizeCat);
 | |
|   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.getValue();
 | |
| 
 | |
|   for (StringRef Arch : ArchFlags) {
 | |
|     if (Arch == "all") {
 | |
|       ArchAll = true;
 | |
|     } else {
 | |
|       if (!MachOObjectFile::isValidArch(Arch)) {
 | |
|         outs() << ToolName << ": for the -arch option: Unknown architecture "
 | |
|                << "named '" << Arch << "'";
 | |
|         return 1;
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   if (InputFilenames.empty())
 | |
|     InputFilenames.push_back("a.out");
 | |
| 
 | |
|   MoreThanOneFile = InputFilenames.size() > 1;
 | |
|   llvm::for_each(InputFilenames, printFileSectionSizes);
 | |
|   if (OutputFormat == berkeley && TotalSizes)
 | |
|     printBerkeleyTotals();
 | |
| 
 | |
|   if (HadError)
 | |
|     return 1;
 | |
| }
 |