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Benjamin Kramer054f4222013-08-09 10:31:14 +00001//===- llvm-readobj.cpp - Dump contents of an Object File -----------------===//
David Meyer2fc34c52012-03-01 01:36:50 +00002//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
Michael J. Spencerd7e70032013-02-05 20:27:22 +000010// This is a tool similar to readelf, except it works on multiple object file
11// formats. The main purpose of this tool is to provide detailed output suitable
12// for FileCheck.
David Meyerae11a782012-03-02 23:43:51 +000013//
Michael J. Spencerd7e70032013-02-05 20:27:22 +000014// Flags should be similar to readelf where supported, but the output format
15// does not need to be identical. The point is to not make users learn yet
16// another set of flags.
David Meyerae11a782012-03-02 23:43:51 +000017//
Michael J. Spencerd7e70032013-02-05 20:27:22 +000018// Output should be specialized for each format where appropriate.
David Meyerae11a782012-03-02 23:43:51 +000019//
20//===----------------------------------------------------------------------===//
David Meyer2fc34c52012-03-01 01:36:50 +000021
Michael J. Spencer6a8746b2013-02-20 02:37:12 +000022#include "llvm-readobj.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000023#include "Error.h"
24#include "ObjDumper.h"
25#include "StreamWriter.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000026#include "llvm/Object/Archive.h"
Rui Ueyama71ba9bd2015-08-28 07:40:30 +000027#include "llvm/Object/COFFImportFile.h"
Rafael Espindola67622312014-08-08 16:39:22 +000028#include "llvm/Object/ELFObjectFile.h"
Rafael Espindola8448a242015-03-24 20:26:55 +000029#include "llvm/Object/MachOUniversal.h"
Chandler Carruth4d88a1c2012-12-04 10:44:52 +000030#include "llvm/Object/ObjectFile.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000031#include "llvm/Support/Casting.h"
David Meyer2fc34c52012-03-01 01:36:50 +000032#include "llvm/Support/CommandLine.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000033#include "llvm/Support/DataTypes.h"
David Meyer2fc34c52012-03-01 01:36:50 +000034#include "llvm/Support/Debug.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000035#include "llvm/Support/FileSystem.h"
36#include "llvm/Support/ManagedStatic.h"
Chandler Carruth4d88a1c2012-12-04 10:44:52 +000037#include "llvm/Support/PrettyStackTrace.h"
38#include "llvm/Support/Signals.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000039#include "llvm/Support/TargetRegistry.h"
40#include "llvm/Support/TargetSelect.h"
Eric Christopher9cad53c2013-04-03 18:31:38 +000041#include <string>
Rafael Espindolaa6e9c3e2014-06-12 17:38:55 +000042#include <system_error>
Eric Christopher9cad53c2013-04-03 18:31:38 +000043
David Meyer2fc34c52012-03-01 01:36:50 +000044using namespace llvm;
45using namespace llvm::object;
46
Eric Christopher9cad53c2013-04-03 18:31:38 +000047namespace opts {
48 cl::list<std::string> InputFilenames(cl::Positional,
49 cl::desc("<input object files>"),
50 cl::ZeroOrMore);
David Meyer2fc34c52012-03-01 01:36:50 +000051
Eric Christopher9cad53c2013-04-03 18:31:38 +000052 // -file-headers, -h
53 cl::opt<bool> FileHeaders("file-headers",
54 cl::desc("Display file headers "));
55 cl::alias FileHeadersShort("h",
56 cl::desc("Alias for --file-headers"),
57 cl::aliasopt(FileHeaders));
58
59 // -sections, -s
60 cl::opt<bool> Sections("sections",
61 cl::desc("Display all sections."));
62 cl::alias SectionsShort("s",
63 cl::desc("Alias for --sections"),
64 cl::aliasopt(Sections));
65
66 // -section-relocations, -sr
67 cl::opt<bool> SectionRelocations("section-relocations",
68 cl::desc("Display relocations for each section shown."));
69 cl::alias SectionRelocationsShort("sr",
70 cl::desc("Alias for --section-relocations"),
71 cl::aliasopt(SectionRelocations));
72
73 // -section-symbols, -st
74 cl::opt<bool> SectionSymbols("section-symbols",
75 cl::desc("Display symbols for each section shown."));
76 cl::alias SectionSymbolsShort("st",
77 cl::desc("Alias for --section-symbols"),
78 cl::aliasopt(SectionSymbols));
79
80 // -section-data, -sd
81 cl::opt<bool> SectionData("section-data",
82 cl::desc("Display section data for each section shown."));
83 cl::alias SectionDataShort("sd",
84 cl::desc("Alias for --section-data"),
85 cl::aliasopt(SectionData));
86
87 // -relocations, -r
88 cl::opt<bool> Relocations("relocations",
89 cl::desc("Display the relocation entries in the file"));
90 cl::alias RelocationsShort("r",
91 cl::desc("Alias for --relocations"),
92 cl::aliasopt(Relocations));
93
Michael J. Spencer594c0282015-06-25 21:47:32 +000094 // -dyn-relocations
95 cl::opt<bool> DynRelocs("dyn-relocations",
96 cl::desc("Display the dynamic relocation entries in the file"));
97
Eric Christopher9cad53c2013-04-03 18:31:38 +000098 // -symbols, -t
99 cl::opt<bool> Symbols("symbols",
100 cl::desc("Display the symbol table"));
101 cl::alias SymbolsShort("t",
102 cl::desc("Alias for --symbols"),
103 cl::aliasopt(Symbols));
104
105 // -dyn-symbols, -dt
106 cl::opt<bool> DynamicSymbols("dyn-symbols",
107 cl::desc("Display the dynamic symbol table"));
108 cl::alias DynamicSymbolsShort("dt",
109 cl::desc("Alias for --dyn-symbols"),
110 cl::aliasopt(DynamicSymbols));
111
112 // -unwind, -u
113 cl::opt<bool> UnwindInfo("unwind",
114 cl::desc("Display unwind information"));
115 cl::alias UnwindInfoShort("u",
116 cl::desc("Alias for --unwind"),
117 cl::aliasopt(UnwindInfo));
118
119 // -dynamic-table
120 cl::opt<bool> DynamicTable("dynamic-table",
121 cl::desc("Display the ELF .dynamic section table"));
122
123 // -needed-libs
124 cl::opt<bool> NeededLibraries("needed-libs",
125 cl::desc("Display the needed libraries"));
Nico Rieckf3f0b792013-04-12 04:01:52 +0000126
Nico Rieckd6df0542013-04-12 04:07:39 +0000127 // -program-headers
128 cl::opt<bool> ProgramHeaders("program-headers",
129 cl::desc("Display ELF program headers"));
130
Michael J. Spencer20546ff2015-07-09 22:32:24 +0000131 // -hash-table
132 cl::opt<bool> HashTable("hash-table",
133 cl::desc("Display ELF hash table"));
134
Igor Kudrin496fb2f2015-10-14 12:11:50 +0000135 // -gnu-hash-table
136 cl::opt<bool> GnuHashTable("gnu-hash-table",
137 cl::desc("Display ELF .gnu.hash section"));
138
Nico Rieckf3f0b792013-04-12 04:01:52 +0000139 // -expand-relocs
140 cl::opt<bool> ExpandRelocs("expand-relocs",
141 cl::desc("Expand each shown relocation to multiple lines"));
Timur Iskhodzhanov48703be2013-12-19 11:37:14 +0000142
Zachary Turner99f02152015-02-18 19:32:05 +0000143 // -codeview
144 cl::opt<bool> CodeView("codeview",
145 cl::desc("Display CodeView debug information"));
146
147 // -codeview-subsection-bytes
148 cl::opt<bool> CodeViewSubsectionBytes(
149 "codeview-subsection-bytes",
150 cl::desc("Dump raw contents of codeview debug sections and records"));
Saleem Abdulrasool15d16d82014-01-30 04:46:33 +0000151
152 // -arm-attributes, -a
153 cl::opt<bool> ARMAttributes("arm-attributes",
154 cl::desc("Display the ARM attributes section"));
155 cl::alias ARMAttributesShort("-a", cl::desc("Alias for --arm-attributes"),
156 cl::aliasopt(ARMAttributes));
Simon Atanasyan80433902014-06-18 08:47:09 +0000157
158 // -mips-plt-got
159 cl::opt<bool>
160 MipsPLTGOT("mips-plt-got",
161 cl::desc("Display the MIPS GOT and PLT GOT sections"));
Rui Ueyama1e152d52014-10-02 17:02:18 +0000162
Simon Atanasyanc914de22015-05-07 15:40:35 +0000163 // -mips-abi-flags
164 cl::opt<bool> MipsABIFlags("mips-abi-flags",
165 cl::desc("Display the MIPS.abiflags section"));
166
Simon Atanasyan6e07e932015-06-16 21:47:43 +0000167 // -mips-reginfo
168 cl::opt<bool> MipsReginfo("mips-reginfo",
169 cl::desc("Display the MIPS .reginfo section"));
170
Rui Ueyama1e152d52014-10-02 17:02:18 +0000171 // -coff-imports
172 cl::opt<bool>
173 COFFImports("coff-imports", cl::desc("Display the PE/COFF import table"));
Saleem Abdulrasoolf9578632014-10-07 19:37:52 +0000174
Saleem Abdulrasoolddd92642015-01-03 21:35:09 +0000175 // -coff-exports
176 cl::opt<bool>
177 COFFExports("coff-exports", cl::desc("Display the PE/COFF export table"));
178
Saleem Abdulrasoolf9578632014-10-07 19:37:52 +0000179 // -coff-directives
180 cl::opt<bool>
181 COFFDirectives("coff-directives",
Rui Ueyama74e85132014-11-19 00:18:07 +0000182 cl::desc("Display the PE/COFF .drectve section"));
183
184 // -coff-basereloc
185 cl::opt<bool>
186 COFFBaseRelocs("coff-basereloc",
187 cl::desc("Display the PE/COFF .reloc section"));
Lang Hames0000afd2015-06-26 23:56:53 +0000188
Davide Italiano07e7acb2015-08-21 20:28:30 +0000189 // -macho-data-in-code
190 cl::opt<bool>
191 MachODataInCode("macho-data-in-code",
192 cl::desc("Display MachO Data in Code command"));
193
Davide Italiano4410b222015-09-03 18:10:28 +0000194 // -macho-indirect-symbols
195 cl::opt<bool>
196 MachOIndirectSymbols("macho-indirect-symbols",
197 cl::desc("Display MachO indirect symbols"));
198
Davide Italiano9a429b72015-09-09 00:21:18 +0000199 // -macho-linker-options
200 cl::opt<bool>
201 MachOLinkerOptions("macho-linker-options",
202 cl::desc("Display MachO linker options"));
203
Davide Italianod1f09962015-09-02 16:24:24 +0000204 // -macho-segment
205 cl::opt<bool>
206 MachOSegment("macho-segment",
207 cl::desc("Display MachO Segment command"));
208
Davide Italiano976f4da2015-08-27 15:11:32 +0000209 // -macho-version-min
210 cl::opt<bool>
211 MachOVersionMin("macho-version-min",
212 cl::desc("Display MachO version min command"));
Davide Italiano35eebe12015-08-31 19:32:31 +0000213
214 // -macho-dysymtab
215 cl::opt<bool>
216 MachODysymtab("macho-dysymtab",
217 cl::desc("Display MachO Dysymtab command"));
218
Lang Hames0000afd2015-06-26 23:56:53 +0000219 // -stackmap
220 cl::opt<bool>
221 PrintStackMap("stackmap",
222 cl::desc("Display contents of stackmap section"));
223
Davide Italiano4f05f322015-10-16 23:19:01 +0000224 // -version-info
225 cl::opt<bool>
226 VersionInfo("version-info",
227 cl::desc("Display ELF version sections (if present)"));
228 cl::alias VersionInfoShort("V", cl::desc("Alias for -version-info"),
229 cl::aliasopt(VersionInfo));
Hemant Kulkarniab4a46f2016-01-26 19:46:39 +0000230
231 cl::opt<bool> SectionGroups("elf-section-groups",
232 cl::desc("Display ELF section group contents"));
233 cl::alias SectionGroupsShort("g", cl::desc("Alias for -elf-sections-groups"),
234 cl::aliasopt(SectionGroups));
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +0000235 cl::opt<bool> HashHistogram(
236 "elf-hash-histogram",
237 cl::desc("Display bucket list histogram for hash sections"));
238 cl::alias HashHistogramShort("I", cl::desc("Alias for -elf-hash-histogram"),
239 cl::aliasopt(HashHistogram));
Hemant Kulkarniab4a46f2016-01-26 19:46:39 +0000240
Tim Northoverd59b23a2016-03-01 21:45:22 +0000241 cl::opt<OutputStyleTy>
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000242 Output("elf-output-style", cl::desc("Specify ELF dump style"),
243 cl::values(clEnumVal(LLVM, "LLVM default style"),
244 clEnumVal(GNU, "GNU readelf style"), clEnumValEnd),
245 cl::init(LLVM));
Eric Christopher9cad53c2013-04-03 18:31:38 +0000246} // namespace opts
247
Rafael Espindola00ddb142015-07-20 03:38:17 +0000248namespace llvm {
249
Davide Italiano1eb92342015-12-04 19:29:49 +0000250LLVM_ATTRIBUTE_NORETURN void reportError(Twine Msg) {
Davide Italiano0a07a822015-12-23 19:29:34 +0000251 errs() << "\nError reading file: " << Msg << ".\n";
252 errs().flush();
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000253 exit(1);
Rafael Espindola724d4b42015-07-20 03:01:49 +0000254}
255
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000256void error(std::error_code EC) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000257 if (!EC)
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000258 return;
Eric Christopher9cad53c2013-04-03 18:31:38 +0000259
Rafael Espindola8b3b09f2015-08-06 21:54:37 +0000260 reportError(EC.message());
Rafael Espindola144af2c2012-12-31 16:05:21 +0000261}
262
Eric Christopher9cad53c2013-04-03 18:31:38 +0000263bool relocAddressLess(RelocationRef a, RelocationRef b) {
Rafael Espindolac7689302015-07-06 15:53:43 +0000264 return a.getOffset() < b.getOffset();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000265}
266
267} // namespace llvm
268
Rafael Espindola4453e42942014-06-13 03:07:50 +0000269static void reportError(StringRef Input, std::error_code EC) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000270 if (Input == "-")
271 Input = "<stdin>";
272
Rafael Espindola724d4b42015-07-20 03:01:49 +0000273 reportError(Twine(Input) + ": " + EC.message());
Eric Christopher9cad53c2013-04-03 18:31:38 +0000274}
275
276static void reportError(StringRef Input, StringRef Message) {
277 if (Input == "-")
278 Input = "<stdin>";
279
Rafael Espindola724d4b42015-07-20 03:01:49 +0000280 reportError(Twine(Input) + ": " + Message);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000281}
282
Simon Atanasyan80433902014-06-18 08:47:09 +0000283static bool isMipsArch(unsigned Arch) {
284 switch (Arch) {
285 case llvm::Triple::mips:
286 case llvm::Triple::mipsel:
287 case llvm::Triple::mips64:
288 case llvm::Triple::mips64el:
289 return true;
290 default:
291 return false;
292 }
293}
294
Eric Christopher9cad53c2013-04-03 18:31:38 +0000295/// @brief Creates an format-specific object file dumper.
Rafael Espindola4453e42942014-06-13 03:07:50 +0000296static std::error_code createDumper(const ObjectFile *Obj, StreamWriter &Writer,
297 std::unique_ptr<ObjDumper> &Result) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000298 if (!Obj)
299 return readobj_error::unsupported_file_format;
300
301 if (Obj->isCOFF())
302 return createCOFFDumper(Obj, Writer, Result);
303 if (Obj->isELF())
304 return createELFDumper(Obj, Writer, Result);
305 if (Obj->isMachO())
306 return createMachODumper(Obj, Writer, Result);
307
308 return readobj_error::unsupported_obj_file_format;
309}
310
Eric Christopher9cad53c2013-04-03 18:31:38 +0000311/// @brief Dumps the specified object file.
312static void dumpObject(const ObjectFile *Obj) {
313 StreamWriter Writer(outs());
Ahmed Charles56440fd2014-03-06 05:51:42 +0000314 std::unique_ptr<ObjDumper> Dumper;
Davide Italianoe66b73f2015-12-05 23:36:52 +0000315 if (std::error_code EC = createDumper(Obj, Writer, Dumper))
Eric Christopher9cad53c2013-04-03 18:31:38 +0000316 reportError(Obj->getFileName(), EC);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000317
Hemant Kulkarnid8a985e2016-02-10 20:40:55 +0000318 if (opts::Output == opts::LLVM) {
319 outs() << '\n';
320 outs() << "File: " << Obj->getFileName() << "\n";
321 outs() << "Format: " << Obj->getFileFormatName() << "\n";
322 outs() << "Arch: " << Triple::getArchTypeName(
323 (llvm::Triple::ArchType)Obj->getArch()) << "\n";
324 outs() << "AddressSize: " << (8 * Obj->getBytesInAddress()) << "bit\n";
325 Dumper->printLoadName();
326 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000327
328 if (opts::FileHeaders)
329 Dumper->printFileHeaders();
330 if (opts::Sections)
331 Dumper->printSections();
332 if (opts::Relocations)
333 Dumper->printRelocations();
Michael J. Spencer594c0282015-06-25 21:47:32 +0000334 if (opts::DynRelocs)
335 Dumper->printDynamicRelocations();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000336 if (opts::Symbols)
337 Dumper->printSymbols();
338 if (opts::DynamicSymbols)
339 Dumper->printDynamicSymbols();
340 if (opts::UnwindInfo)
341 Dumper->printUnwindInfo();
342 if (opts::DynamicTable)
343 Dumper->printDynamicTable();
344 if (opts::NeededLibraries)
345 Dumper->printNeededLibraries();
Nico Rieckd6df0542013-04-12 04:07:39 +0000346 if (opts::ProgramHeaders)
347 Dumper->printProgramHeaders();
Michael J. Spencer20546ff2015-07-09 22:32:24 +0000348 if (opts::HashTable)
349 Dumper->printHashTable();
Igor Kudrin496fb2f2015-10-14 12:11:50 +0000350 if (opts::GnuHashTable)
351 Dumper->printGnuHashTable();
Davide Italiano4f05f322015-10-16 23:19:01 +0000352 if (opts::VersionInfo)
353 Dumper->printVersionInfo();
Hemant Kulkarniab4a46f2016-01-26 19:46:39 +0000354 if (Obj->isELF()) {
355 if (Obj->getArch() == llvm::Triple::arm)
356 if (opts::ARMAttributes)
357 Dumper->printAttributes();
358 if (isMipsArch(Obj->getArch())) {
359 if (opts::MipsPLTGOT)
360 Dumper->printMipsPLTGOT();
361 if (opts::MipsABIFlags)
362 Dumper->printMipsABIFlags();
363 if (opts::MipsReginfo)
364 Dumper->printMipsReginfo();
365 }
366 if (opts::SectionGroups)
367 Dumper->printGroupSections();
Hemant Kulkarni9b1b7f02016-04-11 17:15:30 +0000368 if (opts::HashHistogram)
369 Dumper->printHashHistogram();
Simon Atanasyanc914de22015-05-07 15:40:35 +0000370 }
Davide Italianocd1b6db2015-07-24 02:14:20 +0000371 if (Obj->isCOFF()) {
372 if (opts::COFFImports)
373 Dumper->printCOFFImports();
374 if (opts::COFFExports)
375 Dumper->printCOFFExports();
376 if (opts::COFFDirectives)
377 Dumper->printCOFFDirectives();
378 if (opts::COFFBaseRelocs)
379 Dumper->printCOFFBaseReloc();
Reid Kleckner83ebad32015-12-16 18:28:12 +0000380 if (opts::CodeView)
381 Dumper->printCodeViewDebugInfo();
Davide Italianocd1b6db2015-07-24 02:14:20 +0000382 }
Davide Italiano1e12fc42015-08-31 17:12:23 +0000383 if (Obj->isMachO()) {
Davide Italiano07e7acb2015-08-21 20:28:30 +0000384 if (opts::MachODataInCode)
385 Dumper->printMachODataInCode();
Davide Italiano4410b222015-09-03 18:10:28 +0000386 if (opts::MachOIndirectSymbols)
387 Dumper->printMachOIndirectSymbols();
Davide Italiano9a429b72015-09-09 00:21:18 +0000388 if (opts::MachOLinkerOptions)
389 Dumper->printMachOLinkerOptions();
Davide Italianod1f09962015-09-02 16:24:24 +0000390 if (opts::MachOSegment)
391 Dumper->printMachOSegment();
Davide Italiano976f4da2015-08-27 15:11:32 +0000392 if (opts::MachOVersionMin)
393 Dumper->printMachOVersionMin();
Davide Italiano35eebe12015-08-31 19:32:31 +0000394 if (opts::MachODysymtab)
395 Dumper->printMachODysymtab();
Davide Italiano1e12fc42015-08-31 17:12:23 +0000396 }
Lang Hames0000afd2015-06-26 23:56:53 +0000397 if (opts::PrintStackMap)
398 Dumper->printStackMap();
Rafael Espindola21bd8412012-12-31 16:29:44 +0000399}
400
Eric Christopher9cad53c2013-04-03 18:31:38 +0000401/// @brief Dumps each object file in \a Arc;
402static void dumpArchive(const Archive *Arc) {
Kevin Enderby7a969422015-11-05 19:24:56 +0000403 for (auto &ErrorOrChild : Arc->children()) {
404 if (std::error_code EC = ErrorOrChild.getError())
405 reportError(Arc->getFileName(), EC.message());
406 const auto &Child = *ErrorOrChild;
Davide Italianodb8803b2015-08-07 00:35:28 +0000407 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = Child.getAsBinary();
Rafael Espindolaae460022014-06-16 16:08:36 +0000408 if (std::error_code EC = ChildOrErr.getError()) {
Eric Christopher9cad53c2013-04-03 18:31:38 +0000409 // Ignore non-object files.
410 if (EC != object_error::invalid_file_type)
411 reportError(Arc->getFileName(), EC.message());
412 continue;
David Meyer6c614bf2012-03-09 20:59:52 +0000413 }
Eric Christopher9cad53c2013-04-03 18:31:38 +0000414
Rafael Espindolaae460022014-06-16 16:08:36 +0000415 if (ObjectFile *Obj = dyn_cast<ObjectFile>(&*ChildOrErr.get()))
Eric Christopher9cad53c2013-04-03 18:31:38 +0000416 dumpObject(Obj);
417 else
418 reportError(Arc->getFileName(), readobj_error::unrecognized_file_format);
419 }
420}
421
Rafael Espindola8448a242015-03-24 20:26:55 +0000422/// @brief Dumps each object file in \a MachO Universal Binary;
423static void dumpMachOUniversalBinary(const MachOUniversalBinary *UBinary) {
424 for (const MachOUniversalBinary::ObjectForArch &Obj : UBinary->objects()) {
425 ErrorOr<std::unique_ptr<MachOObjectFile>> ObjOrErr = Obj.getAsObjectFile();
David Blaikie29ac43c2015-04-13 16:05:49 +0000426 if (ObjOrErr)
427 dumpObject(&*ObjOrErr.get());
428 else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = Obj.getAsArchive())
429 dumpArchive(&*AOrErr.get());
430 else
431 reportError(UBinary->getFileName(), ObjOrErr.getError().message());
Rafael Espindola8448a242015-03-24 20:26:55 +0000432 }
433}
Eric Christopher9cad53c2013-04-03 18:31:38 +0000434
435/// @brief Opens \a File and dumps it.
436static void dumpInput(StringRef File) {
David Meyer2fc34c52012-03-01 01:36:50 +0000437
Eric Christopher9cad53c2013-04-03 18:31:38 +0000438 // Attempt to open the binary.
Kevin Enderby3fcdf6a2016-04-06 22:14:09 +0000439 Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(File);
440 if (!BinaryOrErr)
441 reportError(File, errorToErrorCode(BinaryOrErr.takeError()));
Rafael Espindola48af1c22014-08-19 18:44:46 +0000442 Binary &Binary = *BinaryOrErr.get().getBinary();
Eric Christopher9cad53c2013-04-03 18:31:38 +0000443
Rafael Espindola3f6481d2014-08-01 14:31:55 +0000444 if (Archive *Arc = dyn_cast<Archive>(&Binary))
Eric Christopher9cad53c2013-04-03 18:31:38 +0000445 dumpArchive(Arc);
Rafael Espindola8448a242015-03-24 20:26:55 +0000446 else if (MachOUniversalBinary *UBinary =
447 dyn_cast<MachOUniversalBinary>(&Binary))
448 dumpMachOUniversalBinary(UBinary);
Rafael Espindola3f6481d2014-08-01 14:31:55 +0000449 else if (ObjectFile *Obj = dyn_cast<ObjectFile>(&Binary))
Eric Christopher9cad53c2013-04-03 18:31:38 +0000450 dumpObject(Obj);
Rui Ueyama71ba9bd2015-08-28 07:40:30 +0000451 else if (COFFImportFile *Import = dyn_cast<COFFImportFile>(&Binary))
452 dumpCOFFImportFile(Import);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000453 else
454 reportError(File, readobj_error::unrecognized_file_format);
Rafael Espindola21bd8412012-12-31 16:29:44 +0000455}
456
Eric Christopher9cad53c2013-04-03 18:31:38 +0000457int main(int argc, const char *argv[]) {
David Meyer2fc34c52012-03-01 01:36:50 +0000458 sys::PrintStackTraceOnErrorSignal();
459 PrettyStackTraceProgram X(argc, argv);
Eric Christopher9cad53c2013-04-03 18:31:38 +0000460 llvm_shutdown_obj Y;
David Meyer2fc34c52012-03-01 01:36:50 +0000461
Eric Christopher9cad53c2013-04-03 18:31:38 +0000462 // Register the target printer for --version.
463 cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
David Meyer2fc34c52012-03-01 01:36:50 +0000464
Eric Christopher9cad53c2013-04-03 18:31:38 +0000465 cl::ParseCommandLineOptions(argc, argv, "LLVM Object Reader\n");
David Meyer2fc34c52012-03-01 01:36:50 +0000466
Eric Christopher9cad53c2013-04-03 18:31:38 +0000467 // Default to stdin if no filename is specified.
468 if (opts::InputFilenames.size() == 0)
469 opts::InputFilenames.push_back("-");
David Meyer2fc34c52012-03-01 01:36:50 +0000470
Eric Christopher9cad53c2013-04-03 18:31:38 +0000471 std::for_each(opts::InputFilenames.begin(), opts::InputFilenames.end(),
472 dumpInput);
Rafael Espindola278e8912012-12-31 16:53:01 +0000473
Rafael Espindolafb3acd62015-07-20 03:23:55 +0000474 return 0;
David Meyer2fc34c52012-03-01 01:36:50 +0000475}