Fully conditionalise arm support so it can be disabled on 10.4. --- ld64-236.3/src/ld/HeaderAndLoadCommands.hpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/HeaderAndLoadCommands.hpp 2015-01-23 06:56:04.000000000 +0100 @@ -605,8 +605,12 @@ template <> uint32_t HeaderAndLoadCommandsAtom::cpuType() const { return CPU_TYPE_I386; } template <> uint32_t HeaderAndLoadCommandsAtom::cpuType() const { return CPU_TYPE_X86_64; } +#if SUPPORT_ARCH_arm_any template <> uint32_t HeaderAndLoadCommandsAtom::cpuType() const { return CPU_TYPE_ARM; } +#endif +#if SUPPORT_ARCH_arm64 template <> uint32_t HeaderAndLoadCommandsAtom::cpuType() const { return CPU_TYPE_ARM64; } +#endif @@ -625,17 +629,21 @@ return _state.cpuSubType; } +#if SUPPORT_ARCH_arm_any template <> uint32_t HeaderAndLoadCommandsAtom::cpuSubType() const { return _state.cpuSubType; } +#endif +#if SUPPORT_ARCH_arm64 template <> uint32_t HeaderAndLoadCommandsAtom::cpuSubType() const { return CPU_SUBTYPE_ARM64_ALL; } +#endif --- ld64-236.3/src/ld/LinkEdit.hpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/LinkEdit.hpp 2015-01-23 06:56:04.000000000 +0100 @@ -1595,6 +1595,7 @@ for (ld::Fixup::iterator fit = atom->fixupsBegin(); fit != atom->fixupsEnd(); ++fit) { if ( fit->kind != ld::Fixup::kindLinkerOptimizationHint) continue; +#if SUPPORT_ARCH_arm64 ld::Fixup::LOH_arm64 extra; extra.addend = fit->u.addend; _encodedData.append_uleb128(extra.info.kind); @@ -1606,6 +1607,7 @@ _encodedData.append_uleb128((extra.info.delta3 << 2) + fit->offsetInAtom + address); if ( extra.info.count > 2 ) _encodedData.append_uleb128((extra.info.delta4 << 2) + fit->offsetInAtom + address); +#endif } } } --- ld64-236.3/src/ld/Options.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/Options.cpp 2015-01-23 07:05:43.000000000 +0100 @@ -567,8 +567,13 @@ #endif } break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: +#endif +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: +#endif +#if SUPPORT_ARCH_arm_any || SUPPORT_ARCH_arm64 if ( (fMacVersionMin == ld::macVersionUnset) && (fIOSVersionMin == ld::iOSVersionUnset) && (fOutputKind != Options::kObjectFile) ) { #if defined(DEFAULT_IPHONEOS_MIN_VERSION) warning("-ios_version_min not specified, assuming " DEFAULT_IPHONEOS_MIN_VERSION); @@ -579,6 +584,7 @@ #endif } break; +#endif } #ifdef SUPPORT_SNAPSHOTS fLinkSnapshot.recordArch(fArchitectureName); @@ -1649,9 +1655,11 @@ symbolStart = NULL; } else if ( strncmp(symbolStart, "arm:", 4) == 0 ) { +#if SUPPORT_ARCH_arm_any if ( fArchitecture == CPU_TYPE_ARM ) symbolStart = &symbolStart[4]; else +#endif symbolStart = NULL; } if ( symbolStart != NULL ) { @@ -3483,6 +3491,7 @@ #endif } break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( (fOutputKind != Options::kObjectFile) && (fOutputKind != Options::kPreload) ) { #if defined(DEFAULT_IPHONEOS_MIN_VERSION) @@ -3494,6 +3503,7 @@ #endif } break; +#endif default: // architecture will be infered later by examining .o files break; @@ -3516,12 +3526,14 @@ fMacVersionMin = ld::mac10_4; } break; +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: if ( fIOSVersionMin < ld::iOS_7_0 ) { //warning("-mios_version_min should be 7.0 or later for arm64"); fIOSVersionMin = ld::iOS_7_0; } break; +#endif } // default to adding functions start for dynamic code, static code must opt-in @@ -3561,6 +3573,7 @@ fAllowTextRelocs = true; fUndefinedTreatment = kUndefinedDynamicLookup; break; +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: // arm64 uses new MH_KEXT_BUNDLE type fMakeCompressedDyldInfo = false; @@ -3569,6 +3582,8 @@ fKextsUseStubs = true; fUndefinedTreatment = kUndefinedDynamicLookup; break; +#endif +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( fIOSVersionMin >= ld::iOS_5_0 ) { // iOS 5.0 and later use new MH_KEXT_BUNDLE type @@ -3580,6 +3595,7 @@ fUndefinedTreatment = kUndefinedDynamicLookup; break; } +#endif // else use object file case CPU_TYPE_I386: // use .o files @@ -3632,6 +3648,7 @@ if ( fSplitSegs && (fBaseWritableAddress-fBaseAddress != 0x10000000) ) fBaseWritableAddress = fBaseAddress + 0x10000000; break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( fOutputKind != Options::kDynamicLibrary ) { fSplitSegs = false; @@ -3642,6 +3659,7 @@ fBaseWritableAddress = fBaseAddress + 0x08000000; } break; +#endif default: fSplitSegs = false; fBaseAddress = 0; @@ -3656,6 +3674,7 @@ break; case CPU_TYPE_X86_64: break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: switch ( fOutputKind ) { case Options::kDynamicExecutable: @@ -3678,6 +3697,7 @@ fBaseAddress = 0; } break; +#endif } // -r implies no prebinding for all architectures @@ -3723,6 +3743,7 @@ case CPU_TYPE_X86_64: fPrebind = false; break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: switch ( fOutputKind ) { case Options::kDynamicExecutable: @@ -3740,6 +3761,7 @@ break; } break; +#endif } } @@ -3766,10 +3788,12 @@ case CPU_TYPE_I386: if ( fIOSVersionMin != ld::iOSVersionUnset ) // simulator never needs modules break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( fPrebind ) fNeedsModuleTable = true; // redo_prebinding requires a module table break; +#endif } } @@ -3993,7 +3993,9 @@ switch ( fArchitecture ) { case CPU_TYPE_I386: case CPU_TYPE_X86_64: +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: +#endif switch ( fOutputKind ) { case Options::kObjectFile: case Options::kStaticExecutable: @@ -4010,10 +4012,12 @@ break; } break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: fAddCompactUnwindEncoding = false; fRemoveDwarfUnwindIfCompactExists = false; break; +#endif case 0: // if -arch is missing, assume we don't want compact unwind info fAddCompactUnwindEncoding = false; @@ -3815,7 +3843,15 @@ // only iOS main executables should be encrypted if ( fOutputKind != Options::kDynamicExecutable ) fEncryptable = false; - if ( (fArchitecture != CPU_TYPE_ARM) && (fArchitecture != CPU_TYPE_ARM64) ) + if ( +#if SUPPORT_ARCH_arm_any + (fArchitecture != CPU_TYPE_ARM) && +#endif +#if SUPPORT_ARCH_arm64 + (fArchitecture != CPU_TYPE_ARM64) && +#endif + 1 + ) fEncryptable = false; // don't move inits in dyld because dyld wants certain @@ -3867,11 +3903,15 @@ // only ARM and x86_64 enforces that cpu-sub-types must match switch ( fArchitecture ) { +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: +#endif case CPU_TYPE_X86_64: break; case CPU_TYPE_I386: +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: +#endif fAllowCpuSubtypeMismatches = true; break; } @@ -3917,6 +3957,7 @@ fPositionIndependentExecutable = true; } +#if SUPPORT_ARCH_arm_any // armv7 for iOS4.3 defaults to PIE if ( (fArchitecture == CPU_TYPE_ARM) && fArchSupportsThumb2 @@ -3924,15 +3965,18 @@ && (fIOSVersionMin >= ld::iOS_4_3) ) { fPositionIndependentExecutable = true; } +#endif // -no_pie anywhere on command line disable PIE if ( fDisablePositionIndependentExecutable ) fPositionIndependentExecutable = false; +#if SUPPORT_ARCH_arm64 // arm64 is always PIE if ( (fArchitecture == CPU_TYPE_ARM64) && (fOutputKind == kDynamicExecutable) ) { fPositionIndependentExecutable = true; } +#endif // set fOutputSlidable switch ( fOutputKind ) { @@ -3958,9 +4002,11 @@ if ( fMacVersionMin >= ld::mac10_7 ) { fTLVSupport = true; } +#if SUPPORT_ARCH_arm64 else if ( (fArchitecture == CPU_TYPE_ARM64) && (fIOSVersionMin >= 0x00080000) ) { fTLVSupport = true; } +#endif // default to adding version load command for dynamic code, static code must opt-in switch ( fOutputKind ) { @@ -4149,6 +4195,7 @@ } // ARM64 needs 16KB page size for user land code +#if SUPPORT_ARCH_arm64 if ( fArchitecture == CPU_TYPE_ARM64 ) { if ( fSegmentAlignment == 4096 ) { switch ( fOutputKind ) { @@ -4166,6 +4213,7 @@ } } } +#endif // linker should not convert dwarf unwind if .o file has compact unwind section switch ( fOutputKind ) { @@ -4267,12 +4315,16 @@ if ( fStackAddr != 0 ) { switch (fArchitecture) { case CPU_TYPE_I386: +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: +#endif if ( fStackAddr > 0xFFFFFFFFULL ) throw "-stack_addr must be < 4G for 32-bit processes"; break; case CPU_TYPE_X86_64: +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: +#endif break; } if ( (fStackAddr & -4096) != fStackAddr ) @@ -4293,6 +4345,7 @@ if ( (fStackAddr > 0xB0000000ULL) && ((fStackAddr-fStackSize) < 0xB0000000ULL) ) warning("custom stack placement overlaps and will disable shared region"); break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( fStackSize > 0x2F000000 ) throw "-stack_size must be < 752MB"; @@ -4301,11 +4354,13 @@ if ( fStackAddr > 0x30000000ULL) throw "-stack_addr must be < 0x30000000 for arm"; break; +#endif case CPU_TYPE_X86_64: if ( fStackAddr == 0 ) { fStackAddr = 0x00007FFF5C000000ULL; } break; +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: if ( fStackSize > 0x20000000 ) throw "-stack_size must be < 512MB"; @@ -4313,6 +4368,7 @@ fStackAddr = 0x120000000ULL; } break; +#endif } if ( (fStackSize & -4096) != fStackSize ) throw "-stack_size must be multiples of 4K"; @@ -4422,8 +4478,12 @@ alterObjC1ClassNamesToObjC2 = true; break; case CPU_TYPE_X86_64: +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: +#endif +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: +#endif alterObjC1ClassNamesToObjC2 = true; break; } @@ -4799,11 +4799,15 @@ // zero page size not specified on command line, set default switch (fArchitecture) { case CPU_TYPE_I386: +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: +#endif // first 4KB for 32-bit architectures fZeroPageSize = 0x1000; break; +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: +#endif case CPU_TYPE_X86_64: // first 4GB for x86_64 on all OS's fZeroPageSize = 0x100000000ULL; @@ -4621,9 +4685,11 @@ // -force_cpusubtype_ALL is not supported for ARM if ( fForceSubtypeAll ) { +#if SUPPORT_ARCH_arm_any if ( fArchitecture == CPU_TYPE_ARM ) { warning("-force_cpusubtype_ALL will become unsupported for ARM architectures"); } +#endif } // -reexported_symbols_list can only be used with -dynamiclib --- ld64-236.3/src/ld/OutputFile.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/OutputFile.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -629,7 +629,12 @@ // is encoded in mach-o the same as: // .long _foo + 0x40000000 // so if _foo lays out to 0xC0000100, the first is ok, but the second is not. - if ( (_options.architecture() == CPU_TYPE_ARM) || (_options.architecture() == CPU_TYPE_I386) ) { + if ( +#if SUPPORT_ARCH_arm_any + (_options.architecture() == CPU_TYPE_ARM) || +#endif + (_options.architecture() == CPU_TYPE_I386) || + 0) { // Unlikely userland code does funky stuff like this, so warn for them, but not warn for -preload or -static if ( (_options.outputKind() != Options::kPreload) && (_options.outputKind() != Options::kStaticExecutable) ) { warning("32-bit absolute address out of range (0x%08llX max is 4GB): from %s + 0x%08X (0x%08llX) to 0x%08llX", @@ -1229,22 +1234,26 @@ return false; const ld::Fixup* f; switch ( fixup->kind ) { +#if SUPPORT_ARCH_arm64 case ld::Fixup::kindStoreTargetAddressARM64Page21: return !mustBeGOT; case ld::Fixup::kindStoreTargetAddressARM64GOTLoadPage21: case ld::Fixup::kindStoreTargetAddressARM64GOTLeaPage21: return true; +#endif case ld::Fixup::kindSetTargetAddress: f = fixup; do { ++f; } while ( ! f->lastInCluster() ); switch (f->kind ) { +#if SUPPORT_ARCH_arm64 case ld::Fixup::kindStoreARM64Page21: return !mustBeGOT; case ld::Fixup::kindStoreARM64GOTLoadPage21: case ld::Fixup::kindStoreARM64GOTLeaPage21: return true; +#endif default: break; } @@ -1261,22 +1270,26 @@ return false; const ld::Fixup* f; switch ( fixup->kind ) { +#if SUPPORT_ARCH_arm64 case ld::Fixup::kindStoreTargetAddressARM64PageOff12: return !mustBeGOT; case ld::Fixup::kindStoreTargetAddressARM64GOTLoadPageOff12: case ld::Fixup::kindStoreTargetAddressARM64GOTLeaPageOff12: return true; +#endif case ld::Fixup::kindSetTargetAddress: f = fixup; do { ++f; } while ( ! f->lastInCluster() ); switch (f->kind ) { +#if SUPPORT_ARCH_arm64 case ld::Fixup::kindStoreARM64PageOff12: return !mustBeGOT; case ld::Fixup::kindStoreARM64GOTLoadPageOff12: case ld::Fixup::kindStoreARM64GOTLeaPageOff12: return true; +#endif default: break; } @@ -1311,7 +1324,9 @@ std::map usedByHints; for (ld::Fixup::iterator fit = atom->fixupsBegin(), end=atom->fixupsEnd(); fit != end; ++fit) { uint8_t* fixUpLocation = &buffer[fit->offsetInAtom]; +#if SUPPORT_ARCH_arm64 ld::Fixup::LOH_arm64 lohExtra; +#endif switch ( (ld::Fixup::Kind)(fit->kind) ) { case ld::Fixup::kindNone: case ld::Fixup::kindNoneFollowOn: @@ -1570,6 +1585,7 @@ break; case ld::Fixup::kindLinkerOptimizationHint: // expand table of address/offsets used by hints +#if SUPPORT_ARCH_arm64 lohExtra.addend = fit->u.addend; usedByHints[fit->offsetInAtom + (lohExtra.info.delta1 << 2)] = NULL; if ( lohExtra.info.count > 0 ) @@ -1578,6 +1594,7 @@ usedByHints[fit->offsetInAtom + (lohExtra.info.delta3 << 2)] = NULL; if ( lohExtra.info.count > 2 ) usedByHints[fit->offsetInAtom + (lohExtra.info.delta4 << 2)] = NULL; +#endif break; case ld::Fixup::kindStoreTargetAddressLittleEndian32: accumulator = addressOf(state, fit, &toTarget); @@ -2057,6 +2074,7 @@ //uint8_t loadSize, destReg; //uint32_t scaledOffset; //uint32_t imm12; +#if SUPPORT_ARCH_arm64 ld::Fixup::LOH_arm64 alt; alt.addend = fit->u.addend; setInfo(state, atom, buffer, usedByHints, fit->offsetInAtom, (alt.info.delta1 << 2), &infoA); @@ -2415,6 +2433,7 @@ fprintf(stderr, "unknown hint kind %d alt.info.kind at 0x%08llX\n", alt.info.kind, infoA.instructionAddress); break; } +#endif } // apply hints pass 2 for (ld::Fixup::iterator fit = atom->fixupsBegin(), end=atom->fixupsEnd(); fit != end; ++fit) { @@ -2422,6 +2441,7 @@ continue; InstructionInfo infoA; InstructionInfo infoB; +#if SUPPORT_ARCH_arm64 ld::Fixup::LOH_arm64 alt; alt.addend = fit->u.addend; setInfo(state, atom, buffer, usedByHints, fit->offsetInAtom, (alt.info.delta1 << 2), &infoA); @@ -2453,6 +2473,7 @@ } break; } +#endif } } @@ -2469,6 +2490,7 @@ for (uint8_t* p=from; p < to; ++p) *p = 0x90; break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( thumb ) { for (uint8_t* p=from; p < to; p += 2) @@ -2479,6 +2501,7 @@ OSWriteLittleInt32((uint32_t*)p, 0, 0xe1a00000); } break; +#endif default: for (uint8_t* p=from; p < to; ++p) *p = 0x00; @@ -2807,7 +2830,11 @@ // in -r mode, clarify symbolTableNotInFinalLinkedImages if ( _options.outputKind() == Options::kObjectFile ) { - if ( (_options.architecture() == CPU_TYPE_X86_64) || (_options.architecture() == CPU_TYPE_ARM64) ) { + if ( (_options.architecture() == CPU_TYPE_X86_64) || +#if SUPPORT_ARCH_arm64 + (_options.architecture() == CPU_TYPE_ARM64) || +#endif + 0 ) { // x86_64 .o files need labels on anonymous literal strings if ( (sect->type() == ld::Section::typeCString) && (atom->combine() == ld::Atom::combineByNameAndContent) ) { (const_cast(atom))->setSymbolTableInclusion(ld::Atom::symbolTableIn); @@ -4030,8 +4057,10 @@ if ( _options.sharedRegionEligible() ) { // when range checking, ignore high byte of arm64 addends uint64_t checkAddend = addend; +#if SUPPORT_ARCH_arm64 if ( _options.architecture() == CPU_TYPE_ARM64 ) checkAddend &= 0x0FFFFFFFFFFFFFFFULL; +#endif if ( checkAddend != 0 ) { // make sure the addend does not cause the pointer to point outside the target's segment // if it does, update_dyld_shared_cache will not be able to put this dylib into the shared cache @@ -4238,12 +4267,17 @@ bool OutputFile::useExternalSectionReloc(const ld::Atom* atom, const ld::Atom* target, ld::Fixup* fixupWithTarget) { - if ( (_options.architecture() == CPU_TYPE_X86_64) || (_options.architecture() == CPU_TYPE_ARM64) ) { + if ( (_options.architecture() == CPU_TYPE_X86_64) || +#if SUPPORT_ARCH_arm64 + (_options.architecture() == CPU_TYPE_ARM64) || +#endif + 0) { // x86_64 and ARM64 use external relocations for everthing that has a symbol return ( target->symbolTableInclusion() != ld::Atom::symbolTableNotIn ); } // support arm branch interworking in -r mode +#if SUPPORT_ARCH_arm_any if ( (_options.architecture() == CPU_TYPE_ARM) && (_options.outputKind() == Options::kObjectFile) ) { if ( atom->isThumb() != target->isThumb() ) { switch ( fixupWithTarget->kind ) { @@ -4257,6 +4291,7 @@ } } } +#endif if ( (_options.architecture() == CPU_TYPE_I386) && (_options.outputKind() == Options::kObjectFile) ) { if ( target->contentType() == ld::Atom::typeTLV ) @@ -4324,7 +4359,11 @@ bool minusTargetUsesExternalReloc = (minusTarget != NULL) && this->useExternalSectionReloc(atom, minusTarget, fixupWithMinusTarget); // in x86_64 and arm64 .o files an external reloc means the content contains just the addend - if ( (_options.architecture() == CPU_TYPE_X86_64) ||(_options.architecture() == CPU_TYPE_ARM64) ) { + if ( (_options.architecture() == CPU_TYPE_X86_64) || +#if SUPPORT_ARCH_arm64 + (_options.architecture() == CPU_TYPE_ARM64) || +#endif + 0 ) { if ( targetUsesExternalReloc ) { fixupWithTarget->contentAddendOnly = true; fixupWithStore->contentAddendOnly = true; --- ld64-236.3/src/ld/parsers/archive_file.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/parsers/archive_file.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -232,8 +232,12 @@ template <> cpu_type_t File::architecture() { return CPU_TYPE_I386; } template <> cpu_type_t File::architecture() { return CPU_TYPE_X86_64; } +#if SUPPORT_ARCH_arm_any template <> cpu_type_t File::architecture() { return CPU_TYPE_ARM; } +#endif +#if SUPPORT_ARCH_arm64 template <> cpu_type_t File::architecture() { return CPU_TYPE_ARM64; } +#endif template --- ld64-236.3/src/ld/parsers/macho_dylib_file.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/parsers/macho_dylib_file.cpp 2015-01-23 07:01:27.000000000 +0100 @@ -250,11 +250,15 @@ bool File::_s_logHashtable = false; template <> const char* File::objCInfoSegmentName() { return "__DATA"; } +#if SUPPORT_ARCH_arm_any template <> const char* File::objCInfoSegmentName() { return "__DATA"; } +#endif template const char* File::objCInfoSegmentName() { return "__OBJC"; } template <> const char* File::objCInfoSectionName() { return "__objc_imageinfo"; } +#if SUPPORT_ARCH_arm_any template <> const char* File::objCInfoSectionName() { return "__objc_imageinfo"; } +#endif template const char* File::objCInfoSectionName() { return "__image_info"; } template @@ -1006,6 +1010,7 @@ } } +#if SUPPORT_ARCH_arm_any template <> bool Parser::validFile(const uint8_t* fileContent, bool executableOrDyliborBundle) { @@ -1032,9 +1037,11 @@ return false; } } +#endif +#if SUPPORT_ARCH_arm64 template <> bool Parser::validFile(const uint8_t* fileContent, bool executableOrDyliborBundle) { @@ -1061,6 +1068,7 @@ return false; } } +#endif bool isDylibFile(const uint8_t* fileContent, cpu_type_t* result, cpu_subtype_t* subResult) @@ -1084,17 +1084,21 @@ *subResult = CPU_SUBTYPE_X86_ALL; return true; } +#if SUPPORT_ARCH_arm_any if ( Parser::validFile(fileContent, false) ) { *result = CPU_TYPE_ARM; const macho_header >* header = (const macho_header >*)fileContent; *subResult = header->cpusubtype(); return true; } +#endif +#if SUPPORT_ARCH_arm64 if ( Parser::validFile(fileContent, false) ) { *result = CPU_TYPE_ARM64; *subResult = CPU_SUBTYPE_ARM64_ALL; return true; } +#endif #ifdef SUPPORT_ARCH_ppc if ( Parser::validFile(fileContent, false) ) { *result = CPU_TYPE_POWERPC; @@ -1123,6 +1135,7 @@ return "x86_64"; } +#if SUPPORT_ARCH_arm_any template <> const char* Parser::fileKind(const uint8_t* fileContent) { @@ -1138,6 +1151,7 @@ } return "arm???"; } +#endif #if SUPPORT_ARCH_arm64 template <> @@ -1163,9 +1177,11 @@ if ( Parser::validFile(fileContent, true) ) { return Parser::fileKind(fileContent); } +#if SUPPORT_ARCH_arm_any if ( Parser::validFile(fileContent, true) ) { return Parser::fileKind(fileContent); } +#endif #if SUPPORT_ARCH_arm64 if ( Parser::validFile(fileContent, false) ) { return Parser::fileKind(fileContent); --- ld64-236.3/src/ld/parsers/macho_relocatable_file.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/parsers/macho_relocatable_file.cpp 2015-01-23 07:02:23.000000000 +0100 @@ -861,6 +861,7 @@ } } +#if SUPPORT_ARCH_arm_any template <> void Atom::verifyAlignment(const macho_section

&) const { @@ -869,6 +870,7 @@ warning("ARM function not 4-byte aligned: %s from %s", this->name(), this->file()->path()); } } +#endif #if SUPPORT_ARCH_arm64 template <> @@ -1218,6 +1220,7 @@ return true; } +#if SUPPORT_ARCH_arm_any template <> bool Parser::validFile(const uint8_t* fileContent, bool subtypeMustMatch, cpu_subtype_t subtype) { @@ -1238,8 +1241,10 @@ } return true; } +#endif +#if SUPPORT_ARCH_arm64 template <> bool Parser::validFile(const uint8_t* fileContent, bool subtypeMustMatch, cpu_subtype_t subtype) { @@ -1252,6 +1257,7 @@ return false; return true; } +#endif template <> @@ -1276,6 +1282,7 @@ return "x86_64"; } +#if SUPPORT_ARCH_arm_any template <> const char* Parser::fileKind(const uint8_t* fileContent) { @@ -1291,6 +1298,7 @@ } return "arm???"; } +#endif #if SUPPORT_ARCH_arm64 template <> @@ -1802,8 +1810,12 @@ template <> uint8_t Parser::loadCommandSizeMask() { return 0x03; } template <> uint8_t Parser::loadCommandSizeMask() { return 0x07; } +#if SUPPORT_ARCH_arm_any template <> uint8_t Parser::loadCommandSizeMask() { return 0x03; } +#endif +#if SUPPORT_ARCH_arm64 template <> uint8_t Parser::loadCommandSizeMask() { return 0x07; } +#endif template bool Parser::parseLoadCommands() @@ -3921,8 +3933,10 @@ return 1 + (this->_machOSection - parser.firstMachOSection()); } +#if SUPPORT_ARCH_arm_any // arm does not have zero cost exceptions template <> uint32_t CFISection::cfiCount() { return 0; } +#endif template uint32_t CFISection::cfiCount() @@ -4050,6 +4064,7 @@ +#if SUPPORT_ARCH_arm_any template <> void CFISection::cfiParse(class Parser& parser, uint8_t* buffer, libunwind::CFI_Atom_Info::OAS>::CFI_Atom_Info cfiArray[], @@ -4058,6 +4073,7 @@ // arm does not use zero cost exceptions assert(count == 0); } +#endif template <> void CFISection::cfiParse(class Parser& parser, uint8_t* buffer, @@ -4159,8 +4175,12 @@ template <> bool CFISection::bigEndian() { return false; } template <> bool CFISection::bigEndian() { return false; } +#if SUPPORT_ARCH_arm_any template <> bool CFISection::bigEndian() { return false; } +#endif +#if SUPPORT_ARCH_arm64 template <> bool CFISection::bigEndian() { return false; } +#endif template <> @@ -5077,11 +5097,13 @@ return ld::Fixup::kindStoreLittleEndian32; } +#if SUPPORT_ARCH_arm_any template <> ld::Fixup::Kind NonLazyPointerSection::fixupKind() { return ld::Fixup::kindStoreLittleEndian32; } +#endif template <> ld::Fixup::Kind NonLazyPointerSection::fixupKind() @@ -7170,10 +7192,14 @@ return ( mach_o::relocatable::Parser::validFile(fileContent) ); case CPU_TYPE_I386: return ( mach_o::relocatable::Parser::validFile(fileContent) ); +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: return ( mach_o::relocatable::Parser::validFile(fileContent, opts.objSubtypeMustMatch, opts.subType) ); +#endif +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: return ( mach_o::relocatable::Parser::validFile(fileContent, opts.objSubtypeMustMatch, opts.subType) ); +#endif } return false; } @@ -7194,17 +7220,21 @@ *subResult = CPU_SUBTYPE_X86_ALL; return true; } +#if SUPPORT_ARCH_arm_any if ( mach_o::relocatable::Parser::validFile(fileContent, false, 0) ) { *result = CPU_TYPE_ARM; const macho_header >* header = (const macho_header >*)fileContent; *subResult = header->cpusubtype(); return true; } +#endif +#if SUPPORT_ARCH_arm_any if ( mach_o::relocatable::Parser::validFile(fileContent, false, 0) ) { *result = CPU_TYPE_ARM64; *subResult = CPU_SUBTYPE_ARM64_ALL; return true; } +#endif return false; } @@ -7219,9 +7249,11 @@ if ( mach_o::relocatable::Parser::validFile(fileContent) ) { return mach_o::relocatable::Parser::fileKind(fileContent); } +#if SUPPORT_ARCH_arm_any if ( mach_o::relocatable::Parser::validFile(fileContent, false, 0) ) { return mach_o::relocatable::Parser::fileKind(fileContent); } +#endif return NULL; } @@ -7233,9 +7265,11 @@ if ( mach_o::relocatable::Parser::validFile(fileContent) ) { return mach_o::relocatable::Parser::hasObjC2Categories(fileContent); } +#if SUPPORT_ARCH_arm_any else if ( mach_o::relocatable::Parser::validFile(fileContent, false, 0) ) { return mach_o::relocatable::Parser::hasObjC2Categories(fileContent); } +#endif else if ( mach_o::relocatable::Parser::validFile(fileContent, false, 0) ) { return mach_o::relocatable::Parser::hasObjC2Categories(fileContent); } --- ld64-236.3/src/ld/passes/branch_island.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/passes/branch_island.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -284,6 +284,7 @@ static uint64_t textSizeWhenMightNeedBranchIslands(const Options& opts, bool seenThumbBranch) { switch ( opts.architecture() ) { +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( ! seenThumbBranch ) return 32000000; // ARM can branch +/- 32MB @@ -292,6 +293,7 @@ else return 4000000; // thumb1 can branch +/- 4MB break; +#endif } assert(0 && "unexpected architecture"); return 0x100000000LL; @@ -301,6 +303,7 @@ static uint64_t maxDistanceBetweenIslands(const Options& opts, bool seenThumbBranch) { switch ( opts.architecture() ) { +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( ! seenThumbBranch ) return 30*1024*1024; // 2MB of branch islands per 32MB @@ -309,6 +312,7 @@ else return 3500000; // 0.5MB of branch islands per 4MB break; +#endif } assert(0 && "unexpected architecture"); return 0x100000000LL; @@ -653,8 +657,10 @@ // only ARM needs branch islands switch ( opts.architecture() ) { +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: break; +#endif default: return; } --- ld64-236.3/src/ld/passes/branch_shim.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/passes/branch_shim.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -276,6 +276,9 @@ // void doPass(const Options& opts, ld::Internal& state) { +#if !SUPPORT_ARCH_arm_any + return; +#else // only make branch shims in final linked images if ( opts.outputKind() == Options::kObjectFile ) return; @@ -386,6 +389,7 @@ // append all new shims to end of __text sect->atoms.insert(sect->atoms.end(), shims.begin(), shims.end()); } +#endif } --- ld64-236.3/src/ld/passes/dtrace_dof.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/passes/dtrace_dof.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -179,8 +179,12 @@ switch ( opts.architecture() ) { case CPU_TYPE_I386: case CPU_TYPE_X86_64: +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: +#endif +#if SUPPORT_ARCH_arm64 case CPU_TYPE_ARM64: +#endif storeKind = ld::Fixup::kindStoreLittleEndian32; break; default: --- ld64-236.3/src/ld/passes/stubs/stubs.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/passes/stubs/stubs.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -324,9 +324,11 @@ if ( _options.outputKind() != Options::kDynamicLibrary ) throwf("resolver functions (%s) can only be used in dylibs", atom->name()); if ( !_options.makeCompressedDyldInfo() ) { +#if SUPPORT_ARCH_arm_any if ( _options.architecture() == CPU_TYPE_ARM ) throwf("resolver functions (%s) can only be used when targeting iOS 4.2 or later", atom->name()); else +#endif throwf("resolver functions (%s) can only be used when targeting Mac OS X 10.6 or later", atom->name()); } stubFor[atom] = NULL; @@ -354,6 +356,7 @@ throw "symbol dyld_stub_binding_helper not found, normally in crt1.o/dylib1.o/bundle1.o"; // disable arm close stubs in some cases +#if SUPPORT_ARCH_arm_any if ( _architecture == CPU_TYPE_ARM ) { if ( codeSize > 4*1024*1024 ) _largeText = true; @@ -377,6 +380,7 @@ } } } +#endif // make stub atoms for (std::map::iterator it = stubFor.begin(); it != stubFor.end(); ++it) { --- ld64-236.3/src/ld/Resolver.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/ld/Resolver.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -396,6 +396,7 @@ // update cpu-sub-type cpu_subtype_t nextObjectSubType = file.cpuSubType(); switch ( _options.architecture() ) { +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: if ( _options.subArchitecture() != nextObjectSubType ) { if ( (_options.subArchitecture() == CPU_SUBTYPE_ARM_ALL) && _options.forceCpuSubtypeAll() ) { @@ -414,6 +415,7 @@ } } break; +#endif case CPU_TYPE_I386: _internal.cpuSubType = CPU_SUBTYPE_I386_ALL; --- ld64-236.3/src/other/machochecker.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/other/machochecker.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -252,6 +252,7 @@ return false; } +#if SUPPORT_ARCH_arm_any template <> bool MachOChecker::validFile(const uint8_t* fileContent) { @@ -269,6 +270,7 @@ } return false; } +#endif #if SUPPORT_ARCH_arm64 template <> @@ -294,7 +296,9 @@ template <> uint8_t MachOChecker::loadCommandSizeMask() { return 0x07; } template <> uint8_t MachOChecker::loadCommandSizeMask() { return 0x03; } template <> uint8_t MachOChecker::loadCommandSizeMask() { return 0x07; } +#if SUPPORT_ARCH_arm_any template <> uint8_t MachOChecker::loadCommandSizeMask() { return 0x03; } +#endif #if SUPPORT_ARCH_arm64 template <> uint8_t MachOChecker::loadCommandSizeMask() { return 0x07; } #endif @@ -324,11 +328,13 @@ return threadInfo->thread_register(7); } +#if SUPPORT_ARCH_arm_any template <> arm::P::uint_t MachOChecker::getInitialStackPointer(const macho_thread_command* threadInfo) { return threadInfo->thread_register(13); } +#endif #if SUPPORT_ARCH_arm64 template <> @@ -362,11 +368,13 @@ return threadInfo->thread_register(16); } +#if SUPPORT_ARCH_arm_any template <> arm::P::uint_t MachOChecker::getEntryPoint(const macho_thread_command* threadInfo) { return threadInfo->thread_register(15); } +#endif #if SUPPORT_ARCH_arm64 template <> @@ -1025,6 +1033,7 @@ return fFirstWritableSegment->vmaddr(); } +#if SUPPORT_ARCH_arm_any template <> arm::P::uint_t MachOChecker::relocBase() { @@ -1033,6 +1042,7 @@ else return fFirstSegment->vmaddr(); } +#endif #if SUPPORT_ARCH_arm64 template <> --- ld64-236.3/src/other/ObjectDump.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/other/ObjectDump.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -806,6 +806,7 @@ case ld::Fixup::kindStoreThumbHigh16: printf(", then store high-16 in Thumb movt"); break; +#if SUPPORT_ARCH_arm64 case ld::Fixup::kindStoreARM64Branch26: printf(", then store as ARM64 26-bit pcrel branch"); break; @@ -839,6 +840,7 @@ case ld::Fixup::kindStoreARM64PCRelToGOT: printf(", then store as 32-bit delta to GOT entry"); break; +#endif case ld::Fixup::kindDtraceExtra: printf("dtrace static probe extra info"); break; @@ -983,6 +985,7 @@ case ld::Fixup::kindSetTargetTLVTemplateOffsetLittleEndian64: printf("tlv template offset of %s", referenceTargetAtomName(ref)); break; +#if SUPPORT_ARCH_arm64 case ld::Fixup::kindStoreTargetAddressARM64Branch26: printf("ARM64 store 26-bit pcrel branch to %s", referenceTargetAtomName(ref)); break; @@ -1010,6 +1013,7 @@ case ld::Fixup::kindStoreTargetAddressARM64GOTLeaPageOff12: printf("ARM64 store 12-bit page offset of lea of %s", referenceTargetAtomName(ref)); break; +#endif //default: // printf("unknown fixup"); // break; --- ld64-236.3/src/other/rebase.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/other/rebase.cpp 2015-01-23 06:56:04.000000000 +0100 @@ -160,9 +160,11 @@ case CPU_TYPE_X86_64: fRebasers.push_back(new Rebaser(&p[fileOffset])); break; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: fRebasers.push_back(new Rebaser(&p[fileOffset])); break; +#endif default: throw "unknown file format"; } @@ -186,9 +188,11 @@ else if ( (OSSwapLittleToHostInt32(mh->magic) == MH_MAGIC_64) && (OSSwapLittleToHostInt32(mh->cputype) == CPU_TYPE_X86_64)) { fRebasers.push_back(new Rebaser(mh)); } +#if SUPPORT_ARCH_arm_any else if ( (OSSwapLittleToHostInt32(mh->magic) == MH_MAGIC) && (OSSwapLittleToHostInt32(mh->cputype) == CPU_TYPE_ARM)) { fRebasers.push_back(new Rebaser(mh)); } +#endif else { throw "unknown file format"; } @@ -236,7 +240,9 @@ template <> cpu_type_t Rebaser::getArchitecture() const { return CPU_TYPE_POWERPC64; } template <> cpu_type_t Rebaser::getArchitecture() const { return CPU_TYPE_I386; } template <> cpu_type_t Rebaser::getArchitecture() const { return CPU_TYPE_X86_64; } +#if SUPPORT_ARCH_arm_any template <> cpu_type_t Rebaser::getArchitecture() const { return CPU_TYPE_ARM; } +#endif template uint64_t Rebaser::getBaseAddress() const @@ -875,8 +881,10 @@ return "i386"; case CPU_TYPE_X86_64: return "x86_64"; +#if SUPPORT_ARCH_arm_any case CPU_TYPE_ARM: return "arm"; +#endif } return "unknown"; } @@ -969,6 +977,7 @@ else if ( arch == CPU_TYPE_X86_64 ) { return 0x200000000ULL; } +#if SUPPORT_ARCH_arm_any else if ( arch == CPU_TYPE_ARM ) { // place dylibs below dyld uint64_t topAddr = 0x2FE00000; @@ -977,6 +986,7 @@ throwf("total size of images (0x%X) does not fit below 0x2FE00000", totalSize); return topAddr - totalSize; } +#endif else throw "unknown architecture"; } @@ -1043,7 +1053,9 @@ onlyArchs.insert(CPU_TYPE_POWERPC64); onlyArchs.insert(CPU_TYPE_I386); onlyArchs.insert(CPU_TYPE_X86_64); +#if SUPPORT_ARCH_arm_any onlyArchs.insert(CPU_TYPE_ARM); +#endif } // scan files and collect sizes --- ld64-236.3/src/other/unwinddump.cpp.orig 2015-01-23 06:55:36.000000000 +0100 +++ ld64-236.3/src/other/unwinddump.cpp 2015-01-23 07:03:16.000000000 +0100 @@ -97,7 +97,9 @@ template <> const char* UnwindPrinter::archName() { return "i386"; } template <> const char* UnwindPrinter::archName() { return "x86_64"; } +#if SUPPORT_ARCH_arm_any template <> const char* UnwindPrinter::archName() { return "arm"; } +#endif #if SUPPORT_ARCH_arm64 template <> const char* UnwindPrinter::archName() { return "arm64"; } #endif