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-rw-r--r--llvm/tools/llvm-size/llvm-size.cpp910
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diff --git a/llvm/tools/llvm-size/llvm-size.cpp b/llvm/tools/llvm-size/llvm-size.cpp
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+//===-- 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>
+ 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
+ errs() << "(" << NameOrErr.get() << ")";
+
+ 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";
+}
+
+// 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:
+ return false;
+ case ELF::SHT_STRTAB:
+ case ELF::SHT_REL:
+ case ELF::SHT_RELA:
+ return static_cast<ELFSectionRef>(Section).getFlags() & ELF::SHF_ALLOC;
+ }
+ return true;
+}
+
+/// Total size of all ELF common symbols
+static Expected<uint64_t> getCommonSize(ObjectFile *Obj) {
+ uint64_t TotalCommons = 0;
+ for (auto &Sym : Obj->symbols()) {
+ Expected<uint32_t> SymFlagsOrErr =
+ Obj->getSymbolFlags(Sym.getRawDataRefImpl());
+ if (!SymFlagsOrErr)
+ return SymFlagsOrErr.takeError();
+ if (*SymFlagsOrErr & SymbolRef::SF_Common)
+ 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) {
+ 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);
+ 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)
+ 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) {
+ if (Expected<uint64_t> CommonSizeOrErr = getCommonSize(Obj)) {
+ total += *CommonSizeOrErr;
+ outs() << format(fmt.str().c_str(), std::string("*COM*").c_str(),
+ *CommonSizeOrErr, static_cast<uint64_t>(0));
+ } else {
+ error(CommonSizeOrErr.takeError(), Obj->getFileName());
+ return;
+ }
+ }
+
+ // 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) {
+ if (Expected<uint64_t> CommonSizeOrErr = getCommonSize(Obj))
+ total_bss += *CommonSizeOrErr;
+ else {
+ error(CommonSizeOrErr.takeError(), Obj->getFileName());
+ return;
+ }
+ }
+
+ 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;
+}
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