1 //===-- llvm-size.cpp - Print the size of each object section -------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This program is a utility that works like traditional Unix "size",
11 // that is, it prints out the size of each section, and the total size of all
14 //===----------------------------------------------------------------------===//
16 #include "llvm/ADT/APInt.h"
17 #include "llvm/Object/Archive.h"
18 #include "llvm/Object/ObjectFile.h"
19 #include "llvm/Object/MachO.h"
20 #include "llvm/Object/MachOUniversal.h"
21 #include "llvm/Support/Casting.h"
22 #include "llvm/Support/CommandLine.h"
23 #include "llvm/Support/FileSystem.h"
24 #include "llvm/Support/Format.h"
25 #include "llvm/Support/ManagedStatic.h"
26 #include "llvm/Support/MemoryBuffer.h"
27 #include "llvm/Support/PrettyStackTrace.h"
28 #include "llvm/Support/Signals.h"
29 #include "llvm/Support/raw_ostream.h"
32 #include <system_error>
34 using namespace object;
36 enum OutputFormatTy { berkeley, sysv, darwin };
37 static cl::opt<OutputFormatTy>
38 OutputFormat("format", cl::desc("Specify output format"),
39 cl::values(clEnumVal(sysv, "System V format"),
40 clEnumVal(berkeley, "Berkeley format"),
41 clEnumVal(darwin, "Darwin -m format"), clEnumValEnd),
44 static cl::opt<OutputFormatTy> OutputFormatShort(
45 cl::desc("Specify output format"),
46 cl::values(clEnumValN(sysv, "A", "System V format"),
47 clEnumValN(berkeley, "B", "Berkeley format"),
48 clEnumValN(darwin, "m", "Darwin -m format"), clEnumValEnd),
51 static bool berkeleyHeaderPrinted = false;
52 static bool moreThanOneFile = false;
55 DarwinLongFormat("l", cl::desc("When format is darwin, use long format "
56 "to include addresses and offsets."));
58 static cl::list<std::string>
59 ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
63 enum RadixTy { octal = 8, decimal = 10, hexadecimal = 16 };
64 static cl::opt<unsigned int>
65 Radix("-radix", cl::desc("Print size in radix. Only 8, 10, and 16 are valid"),
68 static cl::opt<RadixTy>
69 RadixShort(cl::desc("Print size in radix:"),
70 cl::values(clEnumValN(octal, "o", "Print size in octal"),
71 clEnumValN(decimal, "d", "Print size in decimal"),
72 clEnumValN(hexadecimal, "x", "Print size in hexadecimal"),
76 static cl::list<std::string>
77 InputFilenames(cl::Positional, cl::desc("<input files>"), cl::ZeroOrMore);
79 static std::string ToolName;
81 /// @brief If ec is not success, print the error and return true.
82 static bool error(std::error_code ec) {
86 outs() << ToolName << ": error reading file: " << ec.message() << ".\n";
91 /// @brief Get the length of the string that represents @p num in Radix
92 /// including the leading 0x or 0 for hexadecimal and octal respectively.
93 static size_t getNumLengthAsString(uint64_t num) {
95 SmallString<32> result;
96 conv.toString(result, Radix, false, true);
100 /// @brief Return the the printing format for the Radix.
101 static const char *getRadixFmt(void) {
113 /// @brief Print the size of each Mach-O segment and section in @p MachO.
115 /// This is when used when @c OutputFormat is darwin and produces the same
116 /// output as darwin's size(1) -m output.
117 static void PrintDarwinSectionSizes(MachOObjectFile *MachO) {
119 raw_string_ostream fmt(fmtbuf);
120 const char *radix_fmt = getRadixFmt();
121 if (Radix == hexadecimal)
123 fmt << "%" << radix_fmt;
125 uint32_t LoadCommandCount = MachO->getHeader().ncmds;
126 uint32_t Filetype = MachO->getHeader().filetype;
127 MachOObjectFile::LoadCommandInfo Load = MachO->getFirstLoadCommandInfo();
130 for (unsigned I = 0;; ++I) {
131 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
132 MachO::segment_command_64 Seg = MachO->getSegment64LoadCommand(Load);
133 outs() << "Segment " << Seg.segname << ": "
134 << format(fmt.str().c_str(), Seg.vmsize);
135 if (DarwinLongFormat)
136 outs() << " (vmaddr 0x" << format("%" PRIx64, Seg.vmaddr) << " fileoff "
137 << Seg.fileoff << ")";
140 uint64_t sec_total = 0;
141 for (unsigned J = 0; J < Seg.nsects; ++J) {
142 MachO::section_64 Sec = MachO->getSection64(Load, J);
143 if (Filetype == MachO::MH_OBJECT)
144 outs() << "\tSection (" << format("%.16s", &Sec.segname) << ", "
145 << format("%.16s", &Sec.sectname) << "): ";
147 outs() << "\tSection " << format("%.16s", &Sec.sectname) << ": ";
148 outs() << format(fmt.str().c_str(), Sec.size);
149 if (DarwinLongFormat)
150 outs() << " (addr 0x" << format("%" PRIx64, Sec.addr) << " offset "
151 << Sec.offset << ")";
153 sec_total += Sec.size;
156 outs() << "\ttotal " << format(fmt.str().c_str(), sec_total) << "\n";
157 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
158 MachO::segment_command Seg = MachO->getSegmentLoadCommand(Load);
159 outs() << "Segment " << Seg.segname << ": "
160 << format(fmt.str().c_str(), Seg.vmsize);
161 if (DarwinLongFormat)
162 outs() << " (vmaddr 0x" << format("%" PRIx64, Seg.vmaddr) << " fileoff "
163 << Seg.fileoff << ")";
166 uint64_t sec_total = 0;
167 for (unsigned J = 0; J < Seg.nsects; ++J) {
168 MachO::section Sec = MachO->getSection(Load, J);
169 if (Filetype == MachO::MH_OBJECT)
170 outs() << "\tSection (" << format("%.16s", &Sec.segname) << ", "
171 << format("%.16s", &Sec.sectname) << "): ";
173 outs() << "\tSection " << format("%.16s", &Sec.sectname) << ": ";
174 outs() << format(fmt.str().c_str(), Sec.size);
175 if (DarwinLongFormat)
176 outs() << " (addr 0x" << format("%" PRIx64, Sec.addr) << " offset "
177 << Sec.offset << ")";
179 sec_total += Sec.size;
182 outs() << "\ttotal " << format(fmt.str().c_str(), sec_total) << "\n";
184 if (I == LoadCommandCount - 1)
187 Load = MachO->getNextLoadCommandInfo(Load);
189 outs() << "total " << format(fmt.str().c_str(), total) << "\n";
192 /// @brief Print the summary sizes of the standard Mach-O segments in @p MachO.
194 /// This is when used when @c OutputFormat is berkeley with a Mach-O file and
195 /// produces the same output as darwin's size(1) default output.
196 static void PrintDarwinSegmentSizes(MachOObjectFile *MachO) {
197 uint32_t LoadCommandCount = MachO->getHeader().ncmds;
198 MachOObjectFile::LoadCommandInfo Load = MachO->getFirstLoadCommandInfo();
200 uint64_t total_text = 0;
201 uint64_t total_data = 0;
202 uint64_t total_objc = 0;
203 uint64_t total_others = 0;
204 for (unsigned I = 0;; ++I) {
205 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
206 MachO::segment_command_64 Seg = MachO->getSegment64LoadCommand(Load);
207 if (MachO->getHeader().filetype == MachO::MH_OBJECT) {
208 for (unsigned J = 0; J < Seg.nsects; ++J) {
209 MachO::section_64 Sec = MachO->getSection64(Load, J);
210 StringRef SegmentName = StringRef(Sec.segname);
211 if (SegmentName == "__TEXT")
212 total_text += Sec.size;
213 else if (SegmentName == "__DATA")
214 total_data += Sec.size;
215 else if (SegmentName == "__OBJC")
216 total_objc += Sec.size;
218 total_others += Sec.size;
221 StringRef SegmentName = StringRef(Seg.segname);
222 if (SegmentName == "__TEXT")
223 total_text += Seg.vmsize;
224 else if (SegmentName == "__DATA")
225 total_data += Seg.vmsize;
226 else if (SegmentName == "__OBJC")
227 total_objc += Seg.vmsize;
229 total_others += Seg.vmsize;
231 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
232 MachO::segment_command Seg = MachO->getSegmentLoadCommand(Load);
233 if (MachO->getHeader().filetype == MachO::MH_OBJECT) {
234 for (unsigned J = 0; J < Seg.nsects; ++J) {
235 MachO::section Sec = MachO->getSection(Load, J);
236 StringRef SegmentName = StringRef(Sec.segname);
237 if (SegmentName == "__TEXT")
238 total_text += Sec.size;
239 else if (SegmentName == "__DATA")
240 total_data += Sec.size;
241 else if (SegmentName == "__OBJC")
242 total_objc += Sec.size;
244 total_others += Sec.size;
247 StringRef SegmentName = StringRef(Seg.segname);
248 if (SegmentName == "__TEXT")
249 total_text += Seg.vmsize;
250 else if (SegmentName == "__DATA")
251 total_data += Seg.vmsize;
252 else if (SegmentName == "__OBJC")
253 total_objc += Seg.vmsize;
255 total_others += Seg.vmsize;
258 if (I == LoadCommandCount - 1)
261 Load = MachO->getNextLoadCommandInfo(Load);
263 uint64_t total = total_text + total_data + total_objc + total_others;
265 if (!berkeleyHeaderPrinted) {
266 outs() << "__TEXT\t__DATA\t__OBJC\tothers\tdec\thex\n";
267 berkeleyHeaderPrinted = true;
269 outs() << total_text << "\t" << total_data << "\t" << total_objc << "\t"
270 << total_others << "\t" << total << "\t" << format("%" PRIx64, total)
274 /// @brief Print the size of each section in @p Obj.
276 /// The format used is determined by @c OutputFormat and @c Radix.
277 static void PrintObjectSectionSizes(ObjectFile *Obj) {
280 raw_string_ostream fmt(fmtbuf);
281 const char *radix_fmt = getRadixFmt();
283 // If OutputFormat is darwin and we have a MachOObjectFile print as darwin's
284 // size(1) -m output, else if OutputFormat is darwin and not a Mach-O object
285 // let it fall through to OutputFormat berkeley.
286 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Obj);
287 if (OutputFormat == darwin && MachO)
288 PrintDarwinSectionSizes(MachO);
289 // If we have a MachOObjectFile and the OutputFormat is berkeley print as
290 // darwin's default berkeley format for Mach-O files.
291 else if (MachO && OutputFormat == berkeley)
292 PrintDarwinSegmentSizes(MachO);
293 else if (OutputFormat == sysv) {
294 // Run two passes over all sections. The first gets the lengths needed for
295 // formatting the output. The second actually does the output.
296 std::size_t max_name_len = strlen("section");
297 std::size_t max_size_len = strlen("size");
298 std::size_t max_addr_len = strlen("addr");
299 for (const SectionRef &Section : Obj->sections()) {
301 if (error(Section.getSize(size)))
307 if (error(Section.getName(name)))
309 if (error(Section.getAddress(addr)))
311 max_name_len = std::max(max_name_len, name.size());
312 max_size_len = std::max(max_size_len, getNumLengthAsString(size));
313 max_addr_len = std::max(max_addr_len, getNumLengthAsString(addr));
316 // Add extra padding.
321 // Setup header format.
322 fmt << "%-" << max_name_len << "s "
323 << "%" << max_size_len << "s "
324 << "%" << max_addr_len << "s\n";
327 outs() << format(fmt.str().c_str(), static_cast<const char *>("section"),
328 static_cast<const char *>("size"),
329 static_cast<const char *>("addr"));
332 // Setup per section format.
333 fmt << "%-" << max_name_len << "s "
334 << "%#" << max_size_len << radix_fmt << " "
335 << "%#" << max_addr_len << radix_fmt << "\n";
337 // Print each section.
338 for (const SectionRef &Section : Obj->sections()) {
342 if (error(Section.getName(name)))
344 if (error(Section.getSize(size)))
346 if (error(Section.getAddress(addr)))
348 std::string namestr = name;
350 outs() << format(fmt.str().c_str(), namestr.c_str(), size, addr);
355 fmt << "%-" << max_name_len << "s "
356 << "%#" << max_size_len << radix_fmt << "\n";
357 outs() << format(fmt.str().c_str(), static_cast<const char *>("Total"),
360 // The Berkeley format does not display individual section sizes. It
361 // displays the cumulative size for each section type.
362 uint64_t total_text = 0;
363 uint64_t total_data = 0;
364 uint64_t total_bss = 0;
366 // Make one pass over the section table to calculate sizes.
367 for (const SectionRef &Section : Obj->sections()) {
372 if (error(Section.getSize(size)))
374 if (error(Section.isText(isText)))
376 if (error(Section.isData(isData)))
378 if (error(Section.isBSS(isBSS)))
388 total = total_text + total_data + total_bss;
390 if (!berkeleyHeaderPrinted) {
391 outs() << " text data bss "
392 << (Radix == octal ? "oct" : "dec") << " hex filename\n";
393 berkeleyHeaderPrinted = true;
397 fmt << "%#7" << radix_fmt << " "
398 << "%#7" << radix_fmt << " "
399 << "%#7" << radix_fmt << " ";
400 outs() << format(fmt.str().c_str(), total_text, total_data, total_bss);
402 fmt << "%7" << (Radix == octal ? PRIo64 : PRIu64) << " "
404 outs() << format(fmt.str().c_str(), total, total);
408 /// @brief Checks to see if the @p o ObjectFile is a Mach-O file and if it is
409 /// and there is a list of architecture flags specified then check to
410 /// make sure this Mach-O file is one of those architectures or all
411 /// architectures was specificed. If not then an error is generated and
412 /// this routine returns false. Else it returns true.
413 static bool checkMachOAndArchFlags(ObjectFile *o, StringRef file) {
414 if (isa<MachOObjectFile>(o) && !ArchAll && ArchFlags.size() != 0) {
415 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
416 bool ArchFound = false;
417 MachO::mach_header H;
418 MachO::mach_header_64 H_64;
420 if (MachO->is64Bit()) {
421 H_64 = MachO->MachOObjectFile::getHeader64();
422 T = MachOObjectFile::getArch(H_64.cputype, H_64.cpusubtype);
424 H = MachO->MachOObjectFile::getHeader();
425 T = MachOObjectFile::getArch(H.cputype, H.cpusubtype);
428 for (i = 0; i < ArchFlags.size(); ++i) {
429 if (ArchFlags[i] == T.getArchName())
434 errs() << ToolName << ": file: " << file
435 << " does not contain architecture: " << ArchFlags[i] << ".\n";
442 /// @brief Print the section sizes for @p file. If @p file is an archive, print
443 /// the section sizes for each archive member.
444 static void PrintFileSectionSizes(StringRef file) {
445 // If file is not stdin, check that it exists.
447 if (!sys::fs::exists(file)) {
448 errs() << ToolName << ": '" << file << "': "
454 // Attempt to open the binary.
455 ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(file);
456 if (std::error_code EC = BinaryOrErr.getError()) {
457 errs() << ToolName << ": " << file << ": " << EC.message() << ".\n";
460 Binary &Bin = *BinaryOrErr.get().getBinary();
462 if (Archive *a = dyn_cast<Archive>(&Bin)) {
463 // This is an archive. Iterate over each member and display its sizes.
464 for (object::Archive::child_iterator i = a->child_begin(),
467 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
468 if (std::error_code EC = ChildOrErr.getError()) {
469 errs() << ToolName << ": " << file << ": " << EC.message() << ".\n";
472 if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) {
473 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
474 if (!checkMachOAndArchFlags(o, file))
476 if (OutputFormat == sysv)
477 outs() << o->getFileName() << " (ex " << a->getFileName() << "):\n";
478 else if (MachO && OutputFormat == darwin)
479 outs() << a->getFileName() << "(" << o->getFileName() << "):\n";
480 PrintObjectSectionSizes(o);
481 if (OutputFormat == berkeley) {
483 outs() << a->getFileName() << "(" << o->getFileName() << ")\n";
485 outs() << o->getFileName() << " (ex " << a->getFileName() << ")\n";
489 } else if (MachOUniversalBinary *UB =
490 dyn_cast<MachOUniversalBinary>(&Bin)) {
491 // If we have a list of architecture flags specified dump only those.
492 if (!ArchAll && ArchFlags.size() != 0) {
493 // Look for a slice in the universal binary that matches each ArchFlag.
495 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
497 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
498 E = UB->end_objects();
500 if (ArchFlags[i] == I->getArchTypeName()) {
502 ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile();
503 std::unique_ptr<Archive> UA;
505 if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) {
506 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
507 if (OutputFormat == sysv)
508 outs() << o->getFileName() << " :\n";
509 else if (MachO && OutputFormat == darwin) {
510 if (moreThanOneFile || ArchFlags.size() > 1)
511 outs() << o->getFileName() << " (for architecture "
512 << I->getArchTypeName() << "): \n";
514 PrintObjectSectionSizes(o);
515 if (OutputFormat == berkeley) {
516 if (!MachO || moreThanOneFile || ArchFlags.size() > 1)
517 outs() << o->getFileName() << " (for architecture "
518 << I->getArchTypeName() << ")";
522 } else if (!I->getAsArchive(UA)) {
523 // This is an archive. Iterate over each member and display its
525 for (object::Archive::child_iterator i = UA->child_begin(),
528 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
529 if (std::error_code EC = ChildOrErr.getError()) {
530 errs() << ToolName << ": " << file << ": " << EC.message()
534 if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) {
535 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
536 if (OutputFormat == sysv)
537 outs() << o->getFileName() << " (ex " << UA->getFileName()
539 else if (MachO && OutputFormat == darwin)
540 outs() << UA->getFileName() << "(" << o->getFileName()
542 << " (for architecture " << I->getArchTypeName()
544 PrintObjectSectionSizes(o);
545 if (OutputFormat == berkeley) {
547 outs() << UA->getFileName() << "(" << o->getFileName()
549 if (ArchFlags.size() > 1)
550 outs() << " (for architecture " << I->getArchTypeName()
554 outs() << o->getFileName() << " (ex " << UA->getFileName()
563 errs() << ToolName << ": file: " << file
564 << " does not contain architecture" << ArchFlags[i] << ".\n";
570 // No architecture flags were specified so if this contains a slice that
571 // matches the host architecture dump only that.
573 StringRef HostArchName = MachOObjectFile::getHostArch().getArchName();
574 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
575 E = UB->end_objects();
577 if (HostArchName == I->getArchTypeName()) {
578 ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile();
579 std::unique_ptr<Archive> UA;
581 if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) {
582 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
583 if (OutputFormat == sysv)
584 outs() << o->getFileName() << " :\n";
585 else if (MachO && OutputFormat == darwin) {
587 outs() << o->getFileName() << " (for architecture "
588 << I->getArchTypeName() << "):\n";
590 PrintObjectSectionSizes(o);
591 if (OutputFormat == berkeley) {
592 if (!MachO || moreThanOneFile)
593 outs() << o->getFileName() << " (for architecture "
594 << I->getArchTypeName() << ")";
598 } else if (!I->getAsArchive(UA)) {
599 // This is an archive. Iterate over each member and display its
601 for (object::Archive::child_iterator i = UA->child_begin(),
604 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
605 if (std::error_code EC = ChildOrErr.getError()) {
606 errs() << ToolName << ": " << file << ": " << EC.message()
610 if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) {
611 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
612 if (OutputFormat == sysv)
613 outs() << o->getFileName() << " (ex " << UA->getFileName()
615 else if (MachO && OutputFormat == darwin)
616 outs() << UA->getFileName() << "(" << o->getFileName() << ")"
617 << " (for architecture " << I->getArchTypeName()
619 PrintObjectSectionSizes(o);
620 if (OutputFormat == berkeley) {
622 outs() << UA->getFileName() << "(" << o->getFileName()
625 outs() << o->getFileName() << " (ex " << UA->getFileName()
635 // Either all architectures have been specified or none have been specified
636 // and this does not contain the host architecture so dump all the slices.
637 bool moreThanOneArch = UB->getNumberOfObjects() > 1;
638 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
639 E = UB->end_objects();
641 ErrorOr<std::unique_ptr<ObjectFile>> UO = I->getAsObjectFile();
642 std::unique_ptr<Archive> UA;
644 if (ObjectFile *o = dyn_cast<ObjectFile>(&*UO.get())) {
645 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
646 if (OutputFormat == sysv)
647 outs() << o->getFileName() << " :\n";
648 else if (MachO && OutputFormat == darwin) {
649 if (moreThanOneFile || moreThanOneArch)
650 outs() << o->getFileName() << " (for architecture "
651 << I->getArchTypeName() << "):";
654 PrintObjectSectionSizes(o);
655 if (OutputFormat == berkeley) {
656 if (!MachO || moreThanOneFile || moreThanOneArch)
657 outs() << o->getFileName() << " (for architecture "
658 << I->getArchTypeName() << ")";
662 } else if (!I->getAsArchive(UA)) {
663 // This is an archive. Iterate over each member and display its sizes.
664 for (object::Archive::child_iterator i = UA->child_begin(),
667 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
668 if (std::error_code EC = ChildOrErr.getError()) {
669 errs() << ToolName << ": " << file << ": " << EC.message() << ".\n";
672 if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get())) {
673 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
674 if (OutputFormat == sysv)
675 outs() << o->getFileName() << " (ex " << UA->getFileName()
677 else if (MachO && OutputFormat == darwin)
678 outs() << UA->getFileName() << "(" << o->getFileName() << ")"
679 << " (for architecture " << I->getArchTypeName() << "):\n";
680 PrintObjectSectionSizes(o);
681 if (OutputFormat == berkeley) {
683 outs() << UA->getFileName() << "(" << o->getFileName() << ")"
684 << " (for architecture " << I->getArchTypeName()
687 outs() << o->getFileName() << " (ex " << UA->getFileName()
694 } else if (ObjectFile *o = dyn_cast<ObjectFile>(&Bin)) {
695 if (!checkMachOAndArchFlags(o, file))
697 if (OutputFormat == sysv)
698 outs() << o->getFileName() << " :\n";
699 PrintObjectSectionSizes(o);
700 if (OutputFormat == berkeley) {
701 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o);
702 if (!MachO || moreThanOneFile)
703 outs() << o->getFileName();
707 errs() << ToolName << ": " << file << ": "
708 << "Unrecognized file type.\n";
710 // System V adds an extra newline at the end of each file.
711 if (OutputFormat == sysv)
715 int main(int argc, char **argv) {
716 // Print a stack trace if we signal out.
717 sys::PrintStackTraceOnErrorSignal();
718 PrettyStackTraceProgram X(argc, argv);
720 llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
721 cl::ParseCommandLineOptions(argc, argv, "llvm object size dumper\n");
724 if (OutputFormatShort.getNumOccurrences())
725 OutputFormat = OutputFormatShort;
726 if (RadixShort.getNumOccurrences())
729 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
730 if (ArchFlags[i] == "all") {
733 if (!MachOObjectFile::isValidArch(ArchFlags[i])) {
734 outs() << ToolName << ": for the -arch option: Unknown architecture "
735 << "named '" << ArchFlags[i] << "'";
741 if (InputFilenames.size() == 0)
742 InputFilenames.push_back("a.out");
744 moreThanOneFile = InputFilenames.size() > 1;
745 std::for_each(InputFilenames.begin(), InputFilenames.end(),
746 PrintFileSectionSizes);