src/ld/parsers/archive_file.cpp

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  24
  25 #include <stdint.h>
  26 #include <math.h>
  27 #include <unistd.h>
  28 #include <sys/param.h>
  29 #include <mach-o/ranlib.h>
  30 #include <ar.h>
  31
  32 #include <vector>
  33 #include <set>
  34 #include <map>
  35 #include <algorithm>
  36 #include <unordered_map>
  37
  38 #include "MachOFileAbstraction.hpp"
  39 #include "Architectures.hpp"
  40
  41 #include "macho_relocatable_file.h"
  42 #include "lto_file.h"
  43 #include "archive_file.h"
  44
  45
  46 namespace archive {
  47
  48 typedef const struct ranlib* ConstRanLibPtr;
  49
  50 // forward reference
  51 template <typename A> class File;
  52
  53
  54 template <typename A>
  55 class Parser
  56 {
  57 public:
  58         typedef typename A::P                                   P;
  59
  60         static bool                                                                             validFile(const uint8_t* fileContent, uint64_t fileLength,
  61                                                                                                                                 const mach_o::relocatable::ParserOptions& opts) {
  62                                                                                                                 return File<A>::validFile(fileContent, fileLength, opts); }
  63         static File<A>*                                                                 parse(const uint8_t* fileContent, uint64_t fileLength,
  64                                                                                                                         const char* path, time_t mTime,
  65                                                                                                                         ld::File::Ordinal ordinal, const ParserOptions& opts) {
  66                                                                                                                          return new File<A>(fileContent, fileLength, path, mTime,
  67                                                                                                                                                         ordinal, opts);
  68                                                                                                                 }
  69
  70 };
  71
  72 template <typename A>
  73 class File : public ld::archive::File
  74 {
  75 public:
  76         static bool                                                                             validFile(const uint8_t* fileContent, uint64_t fileLength,
  77                                                                                                                                 const mach_o::relocatable::ParserOptions& opts);
  78                                                                                                         File(const uint8_t* fileContent, uint64_t fileLength,
  79                                                                                                                         const char* pth, time_t modTime,
  80                                                                                                                         ld::File::Ordinal ord, const ParserOptions& opts);
  81         virtual                                                                                 ~File() {}
  82
  83         // overrides of ld::File
  84         virtual bool                                                                            forEachAtom(ld::File::AtomHandler&) const;
  85         virtual bool                                                                            justInTimeforEachAtom(const char* name, ld::File::AtomHandler&) const;
  86         virtual uint32_t                                                                        subFileCount() const  { return _archiveFilelength/sizeof(ar_hdr); }
  87
  88         // overrides of ld::archive::File
  89         virtual bool                                                                            justInTimeDataOnlyforEachAtom(const char* name, ld::File::AtomHandler& handler) const;
  90
  91 private:
  92         static bool                                                                             validMachOFile(const uint8_t* fileContent, uint64_t fileLength,
  93                                                                                                                                         const mach_o::relocatable::ParserOptions& opts);
  94         static bool                                                                             validLTOFile(const uint8_t* fileContent, uint64_t fileLength,
  95                                                                                                                                         const mach_o::relocatable::ParserOptions& opts);
  96         static cpu_type_t                                                               architecture();
  97
  98         class Entry : ar_hdr
  99         {
 100         public:
 101                 void                            getName(char *, int) const;
 102                 time_t                          modificationTime() const;
 103                 const uint8_t*          content() const;
 104                 uint32_t                        contentSize() const;
 105                 const Entry*            next() const;
 106         private:
 107                 bool                            hasLongName() const;
 108                 unsigned int            getLongNameSpace() const;
 109
 110         };
 111
 112         struct MemberState { ld::relocatable::File* file; const Entry *entry; bool logged; bool loaded; uint16_t index;};
 113         bool                                                                                    loadMember(MemberState& state, ld::File::AtomHandler& handler, const char *format, ...) const;
 114
 115         typedef std::unordered_map<const char*, const struct ranlib*, ld::CStringHash, ld::CStringEquals> NameToEntryMap;
 116
 117         typedef typename A::P                                                   P;
 118         typedef typename A::P::E                                                E;
 119
 120         typedef std::map<const class Entry*, MemberState> MemberToStateMap;
 121
 122         const struct ranlib*                                                    ranlibHashSearch(const char* name) const;
 123         MemberState&                                                                    makeObjectFileForMember(const Entry* member) const;
 124         bool                                                                                    memberHasObjCCategories(const Entry* member) const;
 125         void                                                                                    dumpTableOfContents();
 126         void                                                                                    buildHashTable();
 127
 128         const uint8_t*                                                                  _archiveFileContent;
 129         uint64_t                                                                                _archiveFilelength;
 130         const struct ranlib*                                                    _tableOfContents;
 131         uint32_t                                                                                _tableOfContentCount;
 132         const char*                                                                             _tableOfContentStrings;
 133         mutable MemberToStateMap                                                _instantiatedEntries;
 134         NameToEntryMap                                                                  _hashTable;
 135         const bool                                                                              _forceLoadAll;
 136         const bool                                                                              _forceLoadObjC;
 137         const bool                                                                              _forceLoadThis;
 138         const bool                                                                              _objc2ABI;
 139         const bool                                                                              _verboseLoad;
 140         const bool                                                                              _logAllFiles;
 141         const mach_o::relocatable::ParserOptions                _objOpts;
 142 };
 143
 144
 145 template <typename A>
 146 bool File<A>::Entry::hasLongName() const
 147 {
 148         return ( strncmp(this->ar_name, AR_EFMT1, strlen(AR_EFMT1)) == 0 );
 149 }
 150
 151 template <typename A>
 152 unsigned int File<A>::Entry::getLongNameSpace() const
 153 {
 154         char* endptr;
 155         long result = strtol(&this->ar_name[strlen(AR_EFMT1)], &endptr, 10);
 156         return result;
 157 }
 158
 159 template <typename A>
 160 void File<A>::Entry::getName(char *buf, int bufsz) const
 161 {
 162         if ( this->hasLongName() ) {
 163                 int len = this->getLongNameSpace();
 164                 assert(bufsz >= len+1);
 165                 strncpy(buf, ((char*)this)+sizeof(ar_hdr), len);
 166                 buf[len] = '\0';
 167         }
 168         else {
 169                 assert(bufsz >= 16+1);
 170                 strncpy(buf, this->ar_name, 16);
 171                 buf[16] = '\0';
 172                 char* space = strchr(buf, ' ');
 173                 if ( space != NULL )
 174                         *space = '\0';
 175         }
 176 }
 177
 178 template <typename A>
 179 time_t  File<A>::Entry::modificationTime() const
 180 {
 181         char temp[14];
 182         strncpy(temp, this->ar_date, 12);
 183         temp[12] = '\0';
 184         char* endptr;
 185         return (time_t)strtol(temp, &endptr, 10);
 186 }
 187
 188
 189 template <typename A>
 190 const uint8_t* File<A>::Entry::content() const
 191 {
 192         if ( this->hasLongName() )
 193                 return ((uint8_t*)this) + sizeof(ar_hdr) + this->getLongNameSpace();
 194         else
 195                 return ((uint8_t*)this) + sizeof(ar_hdr);
 196 }
 197
 198
 199 template <typename A>
 200 uint32_t File<A>::Entry::contentSize() const
 201 {
 202         char temp[12];
 203         strncpy(temp, this->ar_size, 10);
 204         temp[10] = '\0';
 205         char* endptr;
 206         long size = strtol(temp, &endptr, 10);
 207         // long name is included in ar_size
 208         if ( this->hasLongName() )
 209                 size -= this->getLongNameSpace();
 210         return size;
 211 }
 212
 213
 214 template <typename A>
 215 const class File<A>::Entry* File<A>::Entry::next() const
 216 {
 217         const uint8_t* p = this->content() + contentSize();
 218         p = (const uint8_t*)(((uintptr_t)p+3) & (-4));  // 4-byte align
 219         return (class File<A>::Entry*)p;
 220 }
 221
 222
 223 template <> cpu_type_t File<x86>::architecture()    { return CPU_TYPE_I386; }
 224 template <> cpu_type_t File<x86_64>::architecture() { return CPU_TYPE_X86_64; }
 225 template <> cpu_type_t File<arm>::architecture()    { return CPU_TYPE_ARM; }
 226
 227
 228 template <typename A>
 229 bool File<A>::validMachOFile(const uint8_t* fileContent, uint64_t fileLength, const mach_o::relocatable::ParserOptions& opts)
 230 {
 231         return mach_o::relocatable::isObjectFile(fileContent, fileLength, opts);
 232 }
 233
 234 template <typename A>
 235 bool File<A>::validLTOFile(const uint8_t* fileContent, uint64_t fileLength, const mach_o::relocatable::ParserOptions& opts)
 236 {
 237         return lto::isObjectFile(fileContent, fileLength, opts.architecture, opts.subType);
 238 }
 239
 240
 241
 242 template <typename A>
 243 bool File<A>::validFile(const uint8_t* fileContent, uint64_t fileLength, const mach_o::relocatable::ParserOptions& opts)
 244 {
 245         // must have valid archive header
 246         if ( strncmp((const char*)fileContent, "!<arch>\n", 8) != 0 )
 247                 return false;
 248
 249         // peak at first .o file and verify it is correct architecture
 250         const Entry* const start = (Entry*)&fileContent[8];
 251         const Entry* const end = (Entry*)&fileContent[fileLength];
 252         for (const Entry* p=start; p < end; p = p->next()) {
 253                 char memberName[256];
 254                 p->getName(memberName, sizeof(memberName));
 255                 // skip option table-of-content member
 256                 if ( (p==start) && ((strcmp(memberName, SYMDEF_SORTED) == 0) || (strcmp(memberName, SYMDEF) == 0)) )
 257                         continue;
 258                 // archive is valid if first .o file is valid
 259                 return (validMachOFile(p->content(), p->contentSize(), opts) || validLTOFile(p->content(), p->contentSize(), opts));
 260         }
 261         // empty archive
 262         return true;
 263 }
 264
 265
 266 template <typename A>
 267 File<A>::File(const uint8_t fileContent[], uint64_t fileLength, const char* pth, time_t modTime,
 268                                         ld::File::Ordinal ord, const ParserOptions& opts)
 269  : ld::archive::File(strdup(pth), modTime, ord),
 270         _archiveFileContent(fileContent), _archiveFilelength(fileLength),
 271         _tableOfContents(NULL), _tableOfContentCount(0), _tableOfContentStrings(NULL),
 272         _forceLoadAll(opts.forceLoadAll), _forceLoadObjC(opts.forceLoadObjC),
 273         _forceLoadThis(opts.forceLoadThisArchive), _objc2ABI(opts.objcABI2), _verboseLoad(opts.verboseLoad),
 274         _logAllFiles(opts.logAllFiles), _objOpts(opts.objOpts)
 275 {
 276         if ( strncmp((const char*)fileContent, "!<arch>\n", 8) != 0 )
 277                 throw "not an archive";
 278
 279         if ( !_forceLoadAll ) {
 280                 const Entry* const firstMember = (Entry*)&_archiveFileContent[8];
 281                 char memberName[256];
 282                 firstMember->getName(memberName, sizeof(memberName));
 283                 if ( (strcmp(memberName, SYMDEF_SORTED) == 0) || (strcmp(memberName, SYMDEF) == 0) ) {
 284                         const uint8_t* contents = firstMember->content();
 285                         uint32_t ranlibArrayLen = E::get32(*((uint32_t*)contents));
 286                         _tableOfContents = (const struct ranlib*)&contents[4];
 287                         _tableOfContentCount = ranlibArrayLen / sizeof(struct ranlib);
 288                         _tableOfContentStrings = (const char*)&contents[ranlibArrayLen+8];
 289                         if ( ((uint8_t*)(&_tableOfContents[_tableOfContentCount]) > &fileContent[fileLength])
 290                                 || ((uint8_t*)_tableOfContentStrings > &fileContent[fileLength]) )
 291                                 throw "malformed archive, perhaps wrong architecture";
 292                         this->buildHashTable();
 293                 }
 294                 else
 295                         throw "archive has no table of contents";
 296         }
 297 }
 298
 299 template <>
 300 bool File<x86>::memberHasObjCCategories(const Entry* member) const
 301 {
 302         if ( _objc2ABI ) {
 303                 // i386 for iOS simulator uses ObjC2 which has no global symbol for categories
 304                 return mach_o::relocatable::hasObjC2Categories(member->content());
 305         }
 306         else {
 307                 // i386 uses ObjC1 ABI which has .objc_category* global symbols
 308     // <rdar://problem/11342022> strip -S on i386 pulls out .objc_category_name symbols from static frameworks
 309                 return mach_o::relocatable::hasObjC1Categories(member->content());
 310         }
 311 }
 312
 313
 314
 315 template <typename A>
 316 bool File<A>::memberHasObjCCategories(const Entry* member) const
 317 {
 318         // x86_64 and ARM use ObjC2 which has no global symbol for categories
 319         return mach_o::relocatable::hasObjC2Categories(member->content());
 320 }
 321
 322
 323 template <typename A>
 324 typename File<A>::MemberState& File<A>::makeObjectFileForMember(const Entry* member) const
 325 {
 326         uint16_t memberIndex = 0;
 327         // in case member was instantiated earlier but not needed yet
 328         typename MemberToStateMap::iterator pos = _instantiatedEntries.find(member);
 329         if ( pos == _instantiatedEntries.end() ) {
 330                 // Have to find the index of this member
 331                 const Entry* start;
 332                 uint16_t index;
 333                 if (_instantiatedEntries.size() == 0) {
 334                         start = (Entry*)&_archiveFileContent[8];
 335                         index = 1;
 336                 } else {
 337                         MemberState &lastKnown = _instantiatedEntries.rbegin()->second;
 338                         start = lastKnown.entry->next();
 339                         index = lastKnown.index+1;
 340                 }
 341                 for (const Entry* p=start; p <= member; p = p->next(), index++) {
 342                         MemberState state = {NULL, p, false, false, index};
 343                         _instantiatedEntries[p] = state;
 344                         if (member == p) {
 345                                 memberIndex = index;
 346                         }
 347                 }
 348         } else {
 349                 MemberState& state = pos->second;
 350                 if (state.file)
 351                         return state;
 352                 memberIndex = state.index;
 353         }
 354         assert(memberIndex != 0);
 355         char memberName[256];
 356         member->getName(memberName, sizeof(memberName));
 357         char memberPath[strlen(this->path()) + strlen(memberName)+4];
 358         strcpy(memberPath, this->path());
 359         strcat(memberPath, "(");
 360         strcat(memberPath, memberName);
 361         strcat(memberPath, ")");
 362         //fprintf(stderr, "using %s from %s\n", memberName, this->path());
 363         try {
 364                 // range check
 365                 if ( member > (Entry*)(_archiveFileContent+_archiveFilelength) )
 366                         throwf("corrupt archive, member starts past end of file");
 367                 if ( (member->content() + member->contentSize()) > (_archiveFileContent+_archiveFilelength) )
 368                         throwf("corrupt archive, member contents extends past end of file");
 369                 const char* mPath = strdup(memberPath);
 370                 // see if member is mach-o file
 371                 ld::File::Ordinal ordinal = this->ordinal().archiveOrdinalWithMemberIndex(memberIndex);
 372                 ld::relocatable::File* result = mach_o::relocatable::parse(member->content(), member->contentSize(),
 373                                                                                                                                         mPath, member->modificationTime(),
 374                                                                                                                                         ordinal, _objOpts);
 375                 if ( result != NULL ) {
 376                         MemberState state = {result, member, false, false, memberIndex};
 377                         _instantiatedEntries[member] = state;
 378                         return _instantiatedEntries[member];
 379                 }
 380                 // see if member is llvm bitcode file
 381                 result = lto::parse(member->content(), member->contentSize(),
 382                                                                 mPath, member->modificationTime(), ordinal,
 383                                                                 _objOpts.architecture, _objOpts.subType, _logAllFiles);
 384                 if ( result != NULL ) {
 385                         MemberState state = {result, member, false, false, memberIndex};
 386                         _instantiatedEntries[member] = state;
 387                         return _instantiatedEntries[member];
 388                 }
 389
 390                 throwf("archive member '%s' with length %d is not mach-o or llvm bitcode", memberName, member->contentSize());
 391         }
 392         catch (const char* msg) {
 393                 throwf("in %s, %s", memberPath, msg);
 394         }
 395 }
 396
 397
 398 template <typename A>
 399 bool File<A>::loadMember(MemberState& state, ld::File::AtomHandler& handler, const char *format, ...) const
 400 {
 401         bool didSomething = false;
 402         if (!state.loaded) {
 403                 if ( _verboseLoad && !state.logged ) {
 404                         va_list list;
 405                         va_start(list, format);
 406                         vprintf(format, list);
 407                         va_end(list);
 408                         state.logged = true;
 409                 }
 410                 state.loaded = true;
 411                 didSomething = state.file->forEachAtom(handler);
 412         }
 413         return didSomething;
 414 }
 415
 416
 417 template <typename A>
 418 bool File<A>::forEachAtom(ld::File::AtomHandler& handler) const
 419 {
 420         bool didSome = false;
 421         if ( _forceLoadAll || _forceLoadThis ) {
 422                 // call handler on all .o files in this archive
 423                 const Entry* const start = (Entry*)&_archiveFileContent[8];
 424                 const Entry* const end = (Entry*)&_archiveFileContent[_archiveFilelength];
 425                 for (const Entry* p=start; p < end; p = p->next()) {
 426                         char memberName[256];
 427                         p->getName(memberName, sizeof(memberName));
 428                         if ( (p==start) && ((strcmp(memberName, SYMDEF_SORTED) == 0) || (strcmp(memberName, SYMDEF) == 0)) )
 429                                 continue;
 430                         MemberState& state = this->makeObjectFileForMember(p);
 431                         didSome |= loadMember(state, handler, "%s forced load of %s(%s)\n", _forceLoadThis ? "-force_load" : "-all_load", this->path(), memberName);
 432                 }
 433         }
 434         else if ( _forceLoadObjC ) {
 435                 // call handler on all .o files in this archive containing objc classes
 436                 for(typename NameToEntryMap::const_iterator it = _hashTable.begin(); it != _hashTable.end(); ++it) {
 437                         if ( (strncmp(it->first, ".objc_c", 7) == 0) || (strncmp(it->first, "_OBJC_CLASS_$_", 14) == 0) ) {
 438                                 const Entry* member = (Entry*)&_archiveFileContent[E::get32(it->second->ran_off)];
 439                                 MemberState& state = this->makeObjectFileForMember(member);
 440                                 char memberName[256];
 441                                 member->getName(memberName, sizeof(memberName));
 442                                 didSome |= loadMember(state, handler, "-ObjC forced load of %s(%s)\n", this->path(), memberName);
 443                         }
 444                 }
 445                 // ObjC2 has no symbols in .o files with categories but not classes, look deeper for those
 446                 const Entry* const start = (Entry*)&_archiveFileContent[8];
 447                 const Entry* const end = (Entry*)&_archiveFileContent[_archiveFilelength];
 448                 for (const Entry* member=start; member < end; member = member->next()) {
 449                         char mname[256];
 450                         member->getName(mname, sizeof(mname));
 451                         // skip table-of-content member
 452                         if ( (member==start) && ((strcmp(mname, SYMDEF_SORTED) == 0) || (strcmp(mname, SYMDEF) == 0)) )
 453                                 continue;
 454                         MemberState& state = this->makeObjectFileForMember(member);
 455                         // only look at files not already loaded
 456                         if ( ! state.loaded ) {
 457                                 if ( this->memberHasObjCCategories(member) ) {
 458                                         MemberState& state = this->makeObjectFileForMember(member);
 459                                         char memberName[256];
 460                                         member->getName(memberName, sizeof(memberName));
 461                                         didSome |= loadMember(state, handler, "-ObjC forced load of %s(%s)\n", this->path(), memberName);
 462                                 }
 463                         }
 464                 }
 465         }
 466         return didSome;
 467 }
 468
 469 template <typename A>
 470 bool File<A>::justInTimeforEachAtom(const char* name, ld::File::AtomHandler& handler) const
 471 {
 472         // in force load case, all members already loaded
 473         if ( _forceLoadAll || _forceLoadThis )
 474                 return false;
 475
 476         // do a hash search of table of contents looking for requested symbol
 477         const struct ranlib* result = ranlibHashSearch(name);
 478         if ( result != NULL ) {
 479                 const Entry* member = (Entry*)&_archiveFileContent[E::get32(result->ran_off)];
 480                 MemberState& state = this->makeObjectFileForMember(member);
 481                 char memberName[256];
 482                 member->getName(memberName, sizeof(memberName));
 483                 return loadMember(state, handler, "%s forced load of %s(%s)\n", name, this->path(), memberName);
 484         }
 485         //fprintf(stderr, "%s NOT found in archive %s\n", name, this->path());
 486         return false;
 487 }
 488
 489 class CheckIsDataSymbolHandler : public ld::File::AtomHandler
 490 {
 491 public:
 492                                         CheckIsDataSymbolHandler(const char* n) : _name(n), _isData(false) {}
 493         virtual void    doAtom(const class ld::Atom& atom) {
 494                                                 if ( strcmp(atom.name(), _name) == 0 ) {
 495                                                         if ( atom.section().type() != ld::Section::typeCode )
 496                                                                 _isData = true;
 497                                                 }
 498                                         }
 499         virtual void    doFile(const class ld::File&) {}
 500         bool                    symbolIsDataDefinition() { return _isData; }
 501
 502 private:
 503         const char*             _name;
 504         bool                    _isData;
 505
 506 };
 507
 508 template <typename A>
 509 bool File<A>::justInTimeDataOnlyforEachAtom(const char* name, ld::File::AtomHandler& handler) const
 510 {
 511         // in force load case, all members already loaded
 512         if ( _forceLoadAll || _forceLoadThis )
 513                 return false;
 514
 515         // do a hash search of table of contents looking for requested symbol
 516         const struct ranlib* result = ranlibHashSearch(name);
 517         if ( result != NULL ) {
 518                 const Entry* member = (Entry*)&_archiveFileContent[E::get32(result->ran_off)];
 519                 MemberState& state = this->makeObjectFileForMember(member);
 520                 // only call handler for each member once
 521                 if ( ! state.loaded ) {
 522                         CheckIsDataSymbolHandler checker(name);
 523                         state.file->forEachAtom(checker);
 524                         if ( checker.symbolIsDataDefinition() ) {
 525                                 char memberName[256];
 526                                 member->getName(memberName, sizeof(memberName));
 527                                 return loadMember(state, handler, "%s forced load of %s(%s)\n", name, this->path(), memberName);
 528                         }
 529                 }
 530         }
 531         //fprintf(stderr, "%s NOT found in archive %s\n", name, this->path());
 532         return false;
 533 }
 534
 535
 536 typedef const struct ranlib* ConstRanLibPtr;
 537
 538 template <typename A>
 539 ConstRanLibPtr  File<A>::ranlibHashSearch(const char* name) const
 540 {
 541         typename NameToEntryMap::const_iterator pos = _hashTable.find(name);
 542         if ( pos != _hashTable.end() )
 543                 return pos->second;
 544         else
 545                 return NULL;
 546 }
 547
 548 template <typename A>
 549 void File<A>::buildHashTable()
 550 {
 551         // walk through list backwards, adding/overwriting entries
 552         // this assures that with duplicates those earliest in the list will be found
 553         for (int i = _tableOfContentCount-1; i >= 0; --i) {
 554                 const struct ranlib* entry = &_tableOfContents[i];
 555                 const char* entryName = &_tableOfContentStrings[E::get32(entry->ran_un.ran_strx)];
 556                 if ( E::get32(entry->ran_off) > _archiveFilelength ) {
 557                         throwf("malformed archive TOC entry for %s, offset %d is beyond end of file %lld\n",
 558                                 entryName, entry->ran_off, _archiveFilelength);
 559                 }
 560
 561                 //const Entry* member = (Entry*)&_archiveFileContent[E::get32(entry->ran_off)];
 562                 //fprintf(stderr, "adding hash %d, %s -> %p\n", i, entryName, entry);
 563                 _hashTable[entryName] = entry;
 564         }
 565 }
 566
 567 template <typename A>
 568 void File<A>::dumpTableOfContents()
 569 {
 570         for (unsigned int i=0; i < _tableOfContentCount; ++i) {
 571                 const struct ranlib* e = &_tableOfContents[i];
 572                 printf("%s in %s\n", &_tableOfContentStrings[E::get32(e->ran_un.ran_strx)], ((Entry*)&_archiveFileContent[E::get32(e->ran_off)])->name());
 573         }
 574 }
 575
 576
 577 //
 578 // main function used by linker to instantiate archive files
 579 //
 580 ld::archive::File* parse(const uint8_t* fileContent, uint64_t fileLength,
 581                                 const char* path, time_t modTime, ld::File::Ordinal ordinal, const ParserOptions& opts)
 582 {
 583         switch ( opts.objOpts.architecture ) {
 584 #if SUPPORT_ARCH_x86_64
 585                 case CPU_TYPE_X86_64:
 586                         if ( archive::Parser<x86_64>::validFile(fileContent, fileLength, opts.objOpts) )
 587                                 return archive::Parser<x86_64>::parse(fileContent, fileLength, path, modTime, ordinal, opts);
 588                         break;
 589 #endif
 590 #if SUPPORT_ARCH_i386
 591                 case CPU_TYPE_I386:
 592                         if ( archive::Parser<x86>::validFile(fileContent, fileLength, opts.objOpts) )
 593                                 return archive::Parser<x86>::parse(fileContent, fileLength, path, modTime, ordinal, opts);
 594                         break;
 595 #endif
 596 #if SUPPORT_ARCH_arm_any
 597                 case CPU_TYPE_ARM:
 598                         if ( archive::Parser<arm>::validFile(fileContent, fileLength, opts.objOpts) )
 599                                 return archive::Parser<arm>::parse(fileContent, fileLength, path, modTime, ordinal, opts);
 600                         break;
 601 #endif
 602         }
 603         return NULL;
 604 }
 605
 606
 607
 608 }; // namespace archive
 609
 610