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 <ext/hash_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         class CStringEquals
 116         {
 117         public:
 118                 bool operator()(const char* left, const char* right) const { return (strcmp(left, right) == 0); }
 119         };
 120         typedef __gnu_cxx::hash_map<const char*, const struct ranlib*, __gnu_cxx::hash<const char*>, CStringEquals> NameToEntryMap;
 121
 122         typedef typename A::P                                                   P;
 123         typedef typename A::P::E                                                E;
 124
 125         typedef std::map<const class Entry*, MemberState> MemberToStateMap;
 126
 127         const struct ranlib*                                                    ranlibHashSearch(const char* name) const;
 128         MemberState&                                                                    makeObjectFileForMember(const Entry* member) const;
 129         bool                                                                                    memberHasObjCCategories(const Entry* member) const;
 130         void                                                                                    dumpTableOfContents();
 131         void                                                                                    buildHashTable();
 132
 133         const uint8_t*                                                                  _archiveFileContent;
 134         uint64_t                                                                                _archiveFilelength;
 135         const struct ranlib*                                                    _tableOfContents;
 136         uint32_t                                                                                _tableOfContentCount;
 137         const char*                                                                             _tableOfContentStrings;
 138         mutable MemberToStateMap                                                _instantiatedEntries;
 139         NameToEntryMap                                                                  _hashTable;
 140         const bool                                                                              _forceLoadAll;
 141         const bool                                                                              _forceLoadObjC;
 142         const bool                                                                              _forceLoadThis;
 143         const bool                                                                              _objc2ABI;
 144         const bool                                                                              _verboseLoad;
 145         const bool                                                                              _logAllFiles;
 146         const mach_o::relocatable::ParserOptions                _objOpts;
 147 };
 148
 149
 150 template <typename A>
 151 bool File<A>::Entry::hasLongName() const
 152 {
 153         return ( strncmp(this->ar_name, AR_EFMT1, strlen(AR_EFMT1)) == 0 );
 154 }
 155
 156 template <typename A>
 157 unsigned int File<A>::Entry::getLongNameSpace() const
 158 {
 159         char* endptr;
 160         long result = strtol(&this->ar_name[strlen(AR_EFMT1)], &endptr, 10);
 161         return result;
 162 }
 163
 164 template <typename A>
 165 void File<A>::Entry::getName(char *buf, int bufsz) const
 166 {
 167         if ( this->hasLongName() ) {
 168                 int len = this->getLongNameSpace();
 169                 assert(bufsz >= len+1);
 170                 strncpy(buf, ((char*)this)+sizeof(ar_hdr), len);
 171                 buf[len] = '\0';
 172         }
 173         else {
 174                 assert(bufsz >= 16+1);
 175                 strncpy(buf, this->ar_name, 16);
 176                 buf[16] = '\0';
 177                 char* space = strchr(buf, ' ');
 178                 if ( space != NULL )
 179                         *space = '\0';
 180         }
 181 }
 182
 183 template <typename A>
 184 time_t  File<A>::Entry::modificationTime() const
 185 {
 186         char temp[14];
 187         strncpy(temp, this->ar_date, 12);
 188         temp[12] = '\0';
 189         char* endptr;
 190         return (time_t)strtol(temp, &endptr, 10);
 191 }
 192
 193
 194 template <typename A>
 195 const uint8_t* File<A>::Entry::content() const
 196 {
 197         if ( this->hasLongName() )
 198                 return ((uint8_t*)this) + sizeof(ar_hdr) + this->getLongNameSpace();
 199         else
 200                 return ((uint8_t*)this) + sizeof(ar_hdr);
 201 }
 202
 203
 204 template <typename A>
 205 uint32_t File<A>::Entry::contentSize() const
 206 {
 207         char temp[12];
 208         strncpy(temp, this->ar_size, 10);
 209         temp[10] = '\0';
 210         char* endptr;
 211         long size = strtol(temp, &endptr, 10);
 212         // long name is included in ar_size
 213         if ( this->hasLongName() )
 214                 size -= this->getLongNameSpace();
 215         return size;
 216 }
 217
 218
 219 template <typename A>
 220 const class File<A>::Entry* File<A>::Entry::next() const
 221 {
 222         const uint8_t* p = this->content() + contentSize();
 223         p = (const uint8_t*)(((uintptr_t)p+3) & (-4));  // 4-byte align
 224         return (class File<A>::Entry*)p;
 225 }
 226
 227
 228 template <> cpu_type_t File<x86>::architecture()    { return CPU_TYPE_I386; }
 229 template <> cpu_type_t File<x86_64>::architecture() { return CPU_TYPE_X86_64; }
 230 template <> cpu_type_t File<arm>::architecture()    { return CPU_TYPE_ARM; }
 231
 232
 233 template <typename A>
 234 bool File<A>::validMachOFile(const uint8_t* fileContent, uint64_t fileLength, const mach_o::relocatable::ParserOptions& opts)
 235 {
 236         return mach_o::relocatable::isObjectFile(fileContent, fileLength, opts);
 237 }
 238
 239 template <typename A>
 240 bool File<A>::validLTOFile(const uint8_t* fileContent, uint64_t fileLength, const mach_o::relocatable::ParserOptions& opts)
 241 {
 242         return lto::isObjectFile(fileContent, fileLength, opts.architecture, opts.subType);
 243 }
 244
 245
 246
 247 template <typename A>
 248 bool File<A>::validFile(const uint8_t* fileContent, uint64_t fileLength, const mach_o::relocatable::ParserOptions& opts)
 249 {
 250         // must have valid archive header
 251         if ( strncmp((const char*)fileContent, "!<arch>\n", 8) != 0 )
 252                 return false;
 253
 254         // peak at first .o file and verify it is correct architecture
 255         const Entry* const start = (Entry*)&fileContent[8];
 256         const Entry* const end = (Entry*)&fileContent[fileLength];
 257         for (const Entry* p=start; p < end; p = p->next()) {
 258                 char memberName[256];
 259                 p->getName(memberName, sizeof(memberName));
 260                 // skip option table-of-content member
 261                 if ( (p==start) && ((strcmp(memberName, SYMDEF_SORTED) == 0) || (strcmp(memberName, SYMDEF) == 0)) )
 262                         continue;
 263                 // archive is valid if first .o file is valid
 264                 return (validMachOFile(p->content(), p->contentSize(), opts) || validLTOFile(p->content(), p->contentSize(), opts));
 265         }
 266         // empty archive
 267         return true;
 268 }
 269
 270
 271 template <typename A>
 272 File<A>::File(const uint8_t fileContent[], uint64_t fileLength, const char* pth, time_t modTime,
 273                                         ld::File::Ordinal ord, const ParserOptions& opts)
 274  : ld::archive::File(strdup(pth), modTime, ord),
 275         _archiveFileContent(fileContent), _archiveFilelength(fileLength),
 276         _tableOfContents(NULL), _tableOfContentCount(0), _tableOfContentStrings(NULL),
 277         _forceLoadAll(opts.forceLoadAll), _forceLoadObjC(opts.forceLoadObjC),
 278         _forceLoadThis(opts.forceLoadThisArchive), _objc2ABI(opts.objcABI2), _verboseLoad(opts.verboseLoad),
 279         _logAllFiles(opts.logAllFiles), _objOpts(opts.objOpts)
 280 {
 281         if ( strncmp((const char*)fileContent, "!<arch>\n", 8) != 0 )
 282                 throw "not an archive";
 283
 284         if ( !_forceLoadAll ) {
 285                 const Entry* const firstMember = (Entry*)&_archiveFileContent[8];
 286                 char memberName[256];
 287                 firstMember->getName(memberName, sizeof(memberName));
 288                 if ( (strcmp(memberName, SYMDEF_SORTED) == 0) || (strcmp(memberName, SYMDEF) == 0) ) {
 289                         const uint8_t* contents = firstMember->content();
 290                         uint32_t ranlibArrayLen = E::get32(*((uint32_t*)contents));
 291                         _tableOfContents = (const struct ranlib*)&contents[4];
 292                         _tableOfContentCount = ranlibArrayLen / sizeof(struct ranlib);
 293                         _tableOfContentStrings = (const char*)&contents[ranlibArrayLen+8];
 294                         if ( ((uint8_t*)(&_tableOfContents[_tableOfContentCount]) > &fileContent[fileLength])
 295                                 || ((uint8_t*)_tableOfContentStrings > &fileContent[fileLength]) )
 296                                 throw "malformed archive, perhaps wrong architecture";
 297                         this->buildHashTable();
 298                 }
 299                 else
 300                         throw "archive has no table of contents";
 301         }
 302 }
 303
 304 template <>
 305 bool File<x86>::memberHasObjCCategories(const Entry* member) const
 306 {
 307         if ( _objc2ABI ) {
 308                 // i386 for iOS simulator uses ObjC2 which has no global symbol for categories
 309                 return mach_o::relocatable::hasObjC2Categories(member->content());
 310         }
 311         else {
 312                 // i386 uses ObjC1 ABI which has .objc_category* global symbols
 313     // <rdar://problem/11342022> strip -S on i386 pulls out .objc_category_name symbols from static frameworks
 314                 return mach_o::relocatable::hasObjC1Categories(member->content());
 315         }
 316 }
 317
 318
 319
 320 template <typename A>
 321 bool File<A>::memberHasObjCCategories(const Entry* member) const
 322 {
 323         // x86_64 and ARM use ObjC2 which has no global symbol for categories
 324         return mach_o::relocatable::hasObjC2Categories(member->content());
 325 }
 326
 327
 328 template <typename A>
 329 typename File<A>::MemberState& File<A>::makeObjectFileForMember(const Entry* member) const
 330 {
 331         uint16_t memberIndex = 0;
 332         // in case member was instantiated earlier but not needed yet
 333         typename MemberToStateMap::iterator pos = _instantiatedEntries.find(member);
 334         if ( pos == _instantiatedEntries.end() ) {
 335                 // Have to find the index of this member
 336                 const Entry* start;
 337                 uint16_t index;
 338                 if (_instantiatedEntries.size() == 0) {
 339                         start = (Entry*)&_archiveFileContent[8];
 340                         index = 1;
 341                 } else {
 342                         MemberState &lastKnown = _instantiatedEntries.rbegin()->second;
 343                         start = lastKnown.entry->next();
 344                         index = lastKnown.index+1;
 345                 }
 346                 for (const Entry* p=start; p <= member; p = p->next(), index++) {
 347                         MemberState state = {NULL, p, false, false, index};
 348                         _instantiatedEntries[p] = state;
 349                         if (member == p) {
 350                                 memberIndex = index;
 351                         }
 352                 }
 353         } else {
 354                 MemberState& state = pos->second;
 355                 if (state.file)
 356                         return state;
 357                 memberIndex = state.index;
 358         }
 359         assert(memberIndex != 0);
 360         char memberName[256];
 361         member->getName(memberName, sizeof(memberName));
 362         char memberPath[strlen(this->path()) + strlen(memberName)+4];
 363         strcpy(memberPath, this->path());
 364         strcat(memberPath, "(");
 365         strcat(memberPath, memberName);
 366         strcat(memberPath, ")");
 367         //fprintf(stderr, "using %s from %s\n", memberName, this->path());
 368         try {
 369                 // range check
 370                 if ( member > (Entry*)(_archiveFileContent+_archiveFilelength) )
 371                         throwf("corrupt archive, member starts past end of file");
 372                 if ( (member->content() + member->contentSize()) > (_archiveFileContent+_archiveFilelength) )
 373                         throwf("corrupt archive, member contents extends past end of file");
 374                 const char* mPath = strdup(memberPath);
 375                 // see if member is mach-o file
 376                 ld::File::Ordinal ordinal = this->ordinal().archiveOrdinalWithMemberIndex(memberIndex);
 377                 ld::relocatable::File* result = mach_o::relocatable::parse(member->content(), member->contentSize(),
 378                                                                                                                                         mPath, member->modificationTime(),
 379                                                                                                                                         ordinal, _objOpts);
 380                 if ( result != NULL ) {
 381                         MemberState state = {result, member, false, false, memberIndex};
 382                         _instantiatedEntries[member] = state;
 383                         return _instantiatedEntries[member];
 384                 }
 385                 // see if member is llvm bitcode file
 386                 result = lto::parse(member->content(), member->contentSize(),
 387                                                                 mPath, member->modificationTime(),
 388                                                                 _objOpts.architecture, _objOpts.subType, _logAllFiles);
 389                 if ( result != NULL ) {
 390                         MemberState state = {result, member, false, false, memberIndex};
 391                         _instantiatedEntries[member] = state;
 392                         return _instantiatedEntries[member];
 393                 }
 394
 395                 throwf("archive member '%s' with length %d is not mach-o or llvm bitcode", memberName, member->contentSize());
 396         }
 397         catch (const char* msg) {
 398                 throwf("in %s, %s", memberPath, msg);
 399         }
 400 }
 401
 402
 403 template <typename A>
 404 bool File<A>::loadMember(MemberState& state, ld::File::AtomHandler& handler, const char *format, ...) const
 405 {
 406         bool didSomething = false;
 407         if (!state.loaded) {
 408                 if ( _verboseLoad && !state.logged ) {
 409                         va_list list;
 410                         va_start(list, format);
 411                         vprintf(format, list);
 412                         va_end(list);
 413                         state.logged = true;
 414                 }
 415                 state.loaded = true;
 416                 didSomething = state.file->forEachAtom(handler);
 417         }
 418         return didSomething;
 419 }
 420
 421
 422 template <typename A>
 423 bool File<A>::forEachAtom(ld::File::AtomHandler& handler) const
 424 {
 425         bool didSome = false;
 426         if ( _forceLoadAll || _forceLoadThis ) {
 427                 // call handler on all .o files in this archive
 428                 const Entry* const start = (Entry*)&_archiveFileContent[8];
 429                 const Entry* const end = (Entry*)&_archiveFileContent[_archiveFilelength];
 430                 for (const Entry* p=start; p < end; p = p->next()) {
 431                         char memberName[256];
 432                         p->getName(memberName, sizeof(memberName));
 433                         if ( (p==start) && ((strcmp(memberName, SYMDEF_SORTED) == 0) || (strcmp(memberName, SYMDEF) == 0)) )
 434                                 continue;
 435                         MemberState& state = this->makeObjectFileForMember(p);
 436                         didSome |= loadMember(state, handler, "%s forced load of %s(%s)\n", _forceLoadThis ? "-force_load" : "-all_load", this->path(), memberName);
 437                 }
 438         }
 439         else if ( _forceLoadObjC ) {
 440                 // call handler on all .o files in this archive containing objc classes
 441                 for(typename NameToEntryMap::const_iterator it = _hashTable.begin(); it != _hashTable.end(); ++it) {
 442                         if ( (strncmp(it->first, ".objc_c", 7) == 0) || (strncmp(it->first, "_OBJC_CLASS_$_", 14) == 0) ) {
 443                                 const Entry* member = (Entry*)&_archiveFileContent[E::get32(it->second->ran_off)];
 444                                 MemberState& state = this->makeObjectFileForMember(member);
 445                                 char memberName[256];
 446                                 member->getName(memberName, sizeof(memberName));
 447                                 didSome |= loadMember(state, handler, "-ObjC forced load of %s(%s)\n", this->path(), memberName);
 448                         }
 449                 }
 450                 // ObjC2 has no symbols in .o files with categories but not classes, look deeper for those
 451                 const Entry* const start = (Entry*)&_archiveFileContent[8];
 452                 const Entry* const end = (Entry*)&_archiveFileContent[_archiveFilelength];
 453                 for (const Entry* member=start; member < end; member = member->next()) {
 454                         char mname[256];
 455                         member->getName(mname, sizeof(mname));
 456                         // skip table-of-content member
 457                         if ( (member==start) && ((strcmp(mname, SYMDEF_SORTED) == 0) || (strcmp(mname, SYMDEF) == 0)) )
 458                                 continue;
 459                         MemberState& state = this->makeObjectFileForMember(member);
 460                         // only look at files not already loaded
 461                         if ( ! state.loaded ) {
 462                                 if ( this->memberHasObjCCategories(member) ) {
 463                                         MemberState& state = this->makeObjectFileForMember(member);
 464                                         char memberName[256];
 465                                         member->getName(memberName, sizeof(memberName));
 466                                         didSome |= loadMember(state, handler, "-ObjC forced load of %s(%s)\n", this->path(), memberName);
 467                                 }
 468                         }
 469                 }
 470         }
 471         return didSome;
 472 }
 473
 474 template <typename A>
 475 bool File<A>::justInTimeforEachAtom(const char* name, ld::File::AtomHandler& handler) const
 476 {
 477         // in force load case, all members already loaded
 478         if ( _forceLoadAll || _forceLoadThis )
 479                 return false;
 480
 481         // do a hash search of table of contents looking for requested symbol
 482         const struct ranlib* result = ranlibHashSearch(name);
 483         if ( result != NULL ) {
 484                 const Entry* member = (Entry*)&_archiveFileContent[E::get32(result->ran_off)];
 485                 MemberState& state = this->makeObjectFileForMember(member);
 486                 char memberName[256];
 487                 member->getName(memberName, sizeof(memberName));
 488                 return loadMember(state, handler, "%s forced load of %s(%s)\n", name, this->path(), memberName);
 489         }
 490         //fprintf(stderr, "%s NOT found in archive %s\n", name, this->path());
 491         return false;
 492 }
 493
 494 class CheckIsDataSymbolHandler : public ld::File::AtomHandler
 495 {
 496 public:
 497                                         CheckIsDataSymbolHandler(const char* n) : _name(n), _isData(false) {}
 498         virtual void    doAtom(const class ld::Atom& atom) {
 499                                                 if ( strcmp(atom.name(), _name) == 0 ) {
 500                                                         if ( atom.section().type() != ld::Section::typeCode )
 501                                                                 _isData = true;
 502                                                 }
 503                                         }
 504         virtual void    doFile(const class ld::File&) {}
 505         bool                    symbolIsDataDefinition() { return _isData; }
 506
 507 private:
 508         const char*             _name;
 509         bool                    _isData;
 510
 511 };
 512
 513 template <typename A>
 514 bool File<A>::justInTimeDataOnlyforEachAtom(const char* name, ld::File::AtomHandler& handler) const
 515 {
 516         // in force load case, all members already loaded
 517         if ( _forceLoadAll || _forceLoadThis )
 518                 return false;
 519
 520         // do a hash search of table of contents looking for requested symbol
 521         const struct ranlib* result = ranlibHashSearch(name);
 522         if ( result != NULL ) {
 523                 const Entry* member = (Entry*)&_archiveFileContent[E::get32(result->ran_off)];
 524                 MemberState& state = this->makeObjectFileForMember(member);
 525                 // only call handler for each member once
 526                 if ( ! state.loaded ) {
 527                         CheckIsDataSymbolHandler checker(name);
 528                         state.file->forEachAtom(checker);
 529                         if ( checker.symbolIsDataDefinition() ) {
 530                                 char memberName[256];
 531                                 member->getName(memberName, sizeof(memberName));
 532                                 return loadMember(state, handler, "%s forced load of %s(%s)\n", name, this->path(), memberName);
 533                         }
 534                 }
 535         }
 536         //fprintf(stderr, "%s NOT found in archive %s\n", name, this->path());
 537         return false;
 538 }
 539
 540
 541 typedef const struct ranlib* ConstRanLibPtr;
 542
 543 template <typename A>
 544 ConstRanLibPtr  File<A>::ranlibHashSearch(const char* name) const
 545 {
 546         typename NameToEntryMap::const_iterator pos = _hashTable.find(name);
 547         if ( pos != _hashTable.end() )
 548                 return pos->second;
 549         else
 550                 return NULL;
 551 }
 552
 553 template <typename A>
 554 void File<A>::buildHashTable()
 555 {
 556         // walk through list backwards, adding/overwriting entries
 557         // this assures that with duplicates those earliest in the list will be found
 558         for (int i = _tableOfContentCount-1; i >= 0; --i) {
 559                 const struct ranlib* entry = &_tableOfContents[i];
 560                 const char* entryName = &_tableOfContentStrings[E::get32(entry->ran_un.ran_strx)];
 561                 if ( E::get32(entry->ran_off) > _archiveFilelength ) {
 562                         throwf("malformed archive TOC entry for %s, offset %d is beyond end of file %lld\n",
 563                                 entryName, entry->ran_off, _archiveFilelength);
 564                 }
 565
 566                 //const Entry* member = (Entry*)&_archiveFileContent[E::get32(entry->ran_off)];
 567                 //fprintf(stderr, "adding hash %d, %s -> %p\n", i, entryName, entry);
 568                 _hashTable[entryName] = entry;
 569         }
 570 }
 571
 572 template <typename A>
 573 void File<A>::dumpTableOfContents()
 574 {
 575         for (unsigned int i=0; i < _tableOfContentCount; ++i) {
 576                 const struct ranlib* e = &_tableOfContents[i];
 577                 printf("%s in %s\n", &_tableOfContentStrings[E::get32(e->ran_un.ran_strx)], ((Entry*)&_archiveFileContent[E::get32(e->ran_off)])->name());
 578         }
 579 }
 580
 581
 582 //
 583 // main function used by linker to instantiate archive files
 584 //
 585 ld::archive::File* parse(const uint8_t* fileContent, uint64_t fileLength,
 586                                 const char* path, time_t modTime, ld::File::Ordinal ordinal, const ParserOptions& opts)
 587 {
 588         switch ( opts.objOpts.architecture ) {
 589 #if SUPPORT_ARCH_x86_64
 590                 case CPU_TYPE_X86_64:
 591                         if ( archive::Parser<x86_64>::validFile(fileContent, fileLength, opts.objOpts) )
 592                                 return archive::Parser<x86_64>::parse(fileContent, fileLength, path, modTime, ordinal, opts);
 593                         break;
 594 #endif
 595 #if SUPPORT_ARCH_i386
 596                 case CPU_TYPE_I386:
 597                         if ( archive::Parser<x86>::validFile(fileContent, fileLength, opts.objOpts) )
 598                                 return archive::Parser<x86>::parse(fileContent, fileLength, path, modTime, ordinal, opts);
 599                         break;
 600 #endif
 601 #if SUPPORT_ARCH_arm_any
 602                 case CPU_TYPE_ARM:
 603                         if ( archive::Parser<arm>::validFile(fileContent, fileLength, opts.objOpts) )
 604                                 return archive::Parser<arm>::parse(fileContent, fileLength, path, modTime, ordinal, opts);
 605                         break;
 606 #endif
 607         }
 608         return NULL;
 609 }
 610
 611
 612
 613 }; // namespace archive
 614
 615