21#define DEBUG_TYPE "orc"
35class SPSMachOExecutorSymbolFlags;
47 return SPSMachOJITDylibDepInfo::AsArgList::serialize(OB, DDI.
Sealed,
53 return SPSMachOJITDylibDepInfo::AsArgList::deserialize(IB, DDI.
Sealed,
62 using UT = std::underlying_type_t<MachOPlatform::MachOExecutorSymbolFlags>;
90using SPSRegisterSymbolsArgs =
93 SPSMachOExecutorSymbolFlags>>>;
95std::unique_ptr<jitlink::LinkGraph> createPlatformGraph(
MachOPlatform &MOP,
98 return std::make_unique<jitlink::LinkGraph>(
99 std::move(
Name), ES.getSymbolStringPool(), ES.getTargetTriple(),
104class MachOPlatformCompleteBootstrapMaterializationUnit
107 using SymbolTableVector =
111 MachOPlatformCompleteBootstrapMaterializationUnit(
121 MOP(MOP), PlatformJDName(PlatformJDName),
122 CompleteBootstrapSymbol(std::move(CompleteBootstrapSymbol)),
123 SymTab(std::move(SymTab)), DeferredAAs(std::move(DeferredAAs)),
124 MachOHeaderAddr(MachOHeaderAddr), PlatformBootstrap(PlatformBootstrap),
125 PlatformShutdown(PlatformShutdown), RegisterJITDylib(RegisterJITDylib),
126 DeregisterJITDylib(DeregisterJITDylib),
127 RegisterObjectSymbolTable(RegisterObjectSymbolTable),
128 DeregisterObjectSymbolTable(DeregisterObjectSymbolTable) {}
131 return "MachOPlatformCompleteBootstrap";
134 void materialize(std::unique_ptr<MaterializationResponsibility> R)
override {
135 using namespace jitlink;
136 auto G = createPlatformGraph(MOP,
"<OrcRTCompleteBootstrap>");
137 auto &PlaceholderSection =
138 G->createSection(
"__orc_rt_cplt_bs", MemProt::Read);
139 auto &PlaceholderBlock =
140 G->createZeroFillBlock(PlaceholderSection, 1,
ExecutorAddr(), 1, 0);
141 G->addDefinedSymbol(PlaceholderBlock, 0, *CompleteBootstrapSymbol, 1,
142 Linkage::Strong, Scope::Hidden,
false,
true);
145 G->allocActions().reserve(DeferredAAs.size() + 3);
148 G->allocActions().push_back(
154 G->allocActions().push_back(
157 RegisterJITDylib, PlatformJDName, MachOHeaderAddr)),
159 DeregisterJITDylib, MachOHeaderAddr))});
162 G->allocActions().push_back(
163 {
cantFail(WrapperFunctionCall::Create<SPSRegisterSymbolsArgs>(
164 RegisterObjectSymbolTable, MachOHeaderAddr, SymTab)),
165 cantFail(WrapperFunctionCall::Create<SPSRegisterSymbolsArgs>(
166 DeregisterObjectSymbolTable, MachOHeaderAddr, SymTab))});
169 std::move(DeferredAAs.begin(), DeferredAAs.end(),
170 std::back_inserter(
G->allocActions()));
181 SymbolTableVector SymTab;
192static StringRef ObjCRuntimeObjectSectionsData[] = {
200static StringRef ObjCRuntimeObjectSectionsText[] = {
207static StringRef ObjCRuntimeObjectSectionName =
208 "__llvm_jitlink_ObjCRuntimeRegistrationObject";
210static StringRef ObjCImageInfoSymbolName =
211 "__llvm_jitlink_macho_objc_imageinfo";
213struct ObjCImageInfoFlags {
216 bool HasCategoryClassProperties;
217 bool HasSignedObjCClassROs;
219 static constexpr uint32_t SIGNED_CLASS_RO = (1 << 4);
220 static constexpr uint32_t HAS_CATEGORY_CLASS_PROPERTIES = (1 << 6);
222 explicit ObjCImageInfoFlags(
uint32_t RawFlags) {
223 HasSignedObjCClassROs = RawFlags & SIGNED_CLASS_RO;
224 HasCategoryClassProperties = RawFlags & HAS_CATEGORY_CLASS_PROPERTIES;
225 SwiftABIVersion = (RawFlags >> 8) & 0xFF;
226 SwiftVersion = (RawFlags >> 16) & 0xFFFF;
231 if (HasCategoryClassProperties)
232 Result |= HAS_CATEGORY_CLASS_PROPERTIES;
233 if (HasSignedObjCClassROs)
234 Result |= SIGNED_CLASS_RO;
235 Result |= (SwiftABIVersion << 8);
236 Result |= (SwiftVersion << 16);
245std::optional<MachOPlatform::HeaderOptions::BuildVersionOpts>
251 switch (TT.getOS()) {
253 Platform = TT.isSimulatorEnvironment() ? MachO::PLATFORM_IOSSIMULATOR
254 : MachO::PLATFORM_IOS;
260 Platform = TT.isSimulatorEnvironment() ? MachO::PLATFORM_TVOSSIMULATOR
261 : MachO::PLATFORM_TVOS;
264 Platform = TT.isSimulatorEnvironment() ? MachO::PLATFORM_WATCHOSSIMULATOR
265 : MachO::PLATFORM_WATCHOS;
268 Platform = TT.isSimulatorEnvironment() ? MachO::PLATFORM_XROS_SIMULATOR
269 : MachO::PLATFORM_XROS;
280 std::unique_ptr<DefinitionGenerator> OrcRuntime,
283 std::optional<SymbolAliasMap> RuntimeAliases) {
288 if (!supportedTarget(ES.getTargetTriple()))
289 return make_error<StringError>(
"Unsupported MachOPlatform triple: " +
290 ES.getTargetTriple().str(),
293 auto &EPC = ES.getExecutorProcessControl();
301 return std::move(Err);
304 if (
auto Err = PlatformJD.
define(
306 {EPC.getJITDispatchInfo().JITDispatchFunction,
308 {ES.intern(
"___orc_rt_jit_dispatch_ctx"),
309 {EPC.getJITDispatchInfo().JITDispatchContext,
311 return std::move(Err);
316 ObjLinkingLayer, PlatformJD, std::move(OrcRuntime),
317 std::move(PlatformJDOpts), std::move(BuildMachOHeaderMU), Err));
319 return std::move(Err);
327 std::optional<SymbolAliasMap> RuntimeAliases) {
330 auto OrcRuntimeArchiveGenerator =
332 if (!OrcRuntimeArchiveGenerator)
333 return OrcRuntimeArchiveGenerator.takeError();
335 return Create(ObjLinkingLayer, PlatformJD,
336 std::move(*OrcRuntimeArchiveGenerator),
337 std::move(PlatformJDOpts), std::move(BuildMachOHeaderMU),
338 std::move(RuntimeAliases));
346 if (
auto Err = JD.
define(BuildMachOHeaderMU(*
this, std::move(Opts))))
349 return ES.lookup({&JD}, MachOHeaderStartSymbol).takeError();
353 std::lock_guard<std::mutex> Lock(PlatformMutex);
354 auto I = JITDylibToHeaderAddr.find(&JD);
355 if (
I != JITDylibToHeaderAddr.end()) {
356 assert(HeaderAddrToJITDylib.count(
I->second) &&
357 "HeaderAddrToJITDylib missing entry");
358 HeaderAddrToJITDylib.erase(
I->second);
359 JITDylibToHeaderAddr.erase(
I);
361 JITDylibToPThreadKey.erase(&JD);
372 RegisteredInitSymbols[&JD].add(InitSym,
375 dbgs() <<
"MachOPlatform: Registered init symbol " << *InitSym <<
" for MU "
386 ArrayRef<std::pair<const char *, const char *>> AL) {
387 for (
auto &KV : AL) {
388 auto AliasName = ES.
intern(KV.first);
389 assert(!Aliases.
count(AliasName) &&
"Duplicate symbol name in alias map");
390 Aliases[std::move(AliasName)] = {ES.
intern(KV.second),
405 static const std::pair<const char *, const char *> RequiredCXXAliases[] = {
406 {
"___cxa_atexit",
"___orc_rt_macho_cxa_atexit"}};
413 static const std::pair<const char *, const char *>
414 StandardRuntimeUtilityAliases[] = {
415 {
"___orc_rt_run_program",
"___orc_rt_macho_run_program"},
416 {
"___orc_rt_jit_dlerror",
"___orc_rt_macho_jit_dlerror"},
417 {
"___orc_rt_jit_dlopen",
"___orc_rt_macho_jit_dlopen"},
418 {
"___orc_rt_jit_dlupdate",
"___orc_rt_macho_jit_dlupdate"},
419 {
"___orc_rt_jit_dlclose",
"___orc_rt_macho_jit_dlclose"},
420 {
"___orc_rt_jit_dlsym",
"___orc_rt_macho_jit_dlsym"},
421 {
"___orc_rt_log_error",
"___orc_rt_log_error_to_stderr"}};
424 StandardRuntimeUtilityAliases);
429 static const std::pair<const char *, const char *>
430 StandardLazyCompilationAliases[] = {
431 {
"__orc_rt_reenter",
"__orc_rt_sysv_reenter"},
432 {
"__orc_rt_resolve_tag",
"___orc_rt_resolve_tag"}};
435 StandardLazyCompilationAliases);
438bool MachOPlatform::supportedTarget(
const Triple &TT) {
439 switch (TT.getArch()) {
449 switch (
G.getTargetTriple().getArch()) {
465 if (
Sym.isCallable())
471MachOPlatform::MachOPlatform(
473 std::unique_ptr<DefinitionGenerator> OrcRuntimeGenerator,
477 ObjLinkingLayer(ObjLinkingLayer),
478 BuildMachOHeaderMU(
std::
move(BuildMachOHeaderMU)) {
480 ObjLinkingLayer.
addPlugin(std::make_unique<MachOPlatformPlugin>(*
this));
481 PlatformJD.
addGenerator(std::move(OrcRuntimeGenerator));
541 if ((Err = PlatformJD.
define(
542 this->BuildMachOHeaderMU(*
this, std::move(PlatformJDOpts)))))
544 if ((Err = ES.
lookup(&PlatformJD, MachOHeaderStartSymbol).takeError()))
551 {PlatformBootstrap.Name, PlatformShutdown.Name,
552 RegisterJITDylib.Name, DeregisterJITDylib.Name,
553 RegisterObjectSymbolTable.Name,
554 DeregisterObjectSymbolTable.Name,
555 RegisterObjectPlatformSections.Name,
556 DeregisterObjectPlatformSections.Name,
557 CreatePThreadKey.Name}))
563 std::unique_lock<std::mutex> Lock(BI.Mutex);
564 BI.CV.wait(Lock, [&]() {
return BI.ActiveGraphs == 0; });
569 auto BootstrapCompleteSymbol = ES.
intern(
"__orc_rt_macho_complete_bootstrap");
570 if ((Err = PlatformJD.
define(
571 std::make_unique<MachOPlatformCompleteBootstrapMaterializationUnit>(
572 *
this, PlatformJD.
getName(), BootstrapCompleteSymbol,
573 std::move(BI.SymTab), std::move(BI.DeferredAAs),
574 BI.MachOHeaderAddr, PlatformBootstrap.Addr,
575 PlatformShutdown.Addr, RegisterJITDylib.Addr,
576 DeregisterJITDylib.Addr, RegisterObjectSymbolTable.Addr,
577 DeregisterObjectSymbolTable.Addr))))
581 std::move(BootstrapCompleteSymbol))
586 if ((Err = associateRuntimeSupportFunctions()))
590Error MachOPlatform::associateRuntimeSupportFunctions() {
593 using PushInitializersSPSSig =
595 WFs[ES.
intern(
"___orc_rt_macho_push_initializers_tag")] =
597 this, &MachOPlatform::rt_pushInitializers);
599 using PushSymbolsSPSSig =
601 WFs[ES.
intern(
"___orc_rt_macho_push_symbols_tag")] =
603 &MachOPlatform::rt_pushSymbols);
608void MachOPlatform::pushInitializersLoop(
609 PushInitializersSendResultFn SendResult,
JITDylibSP JD) {
615 while (!Worklist.empty()) {
618 auto DepJD = Worklist.back();
622 if (JDDepMap.count(DepJD))
626 auto &DM = JDDepMap[DepJD];
627 DepJD->withLinkOrderDo([&](const JITDylibSearchOrder &O) {
629 if (KV.first == DepJD)
631 DM.push_back(KV.first);
632 Worklist.push_back(KV.first);
637 auto RISItr = RegisteredInitSymbols.find(DepJD);
638 if (RISItr != RegisteredInitSymbols.end()) {
639 NewInitSymbols[DepJD] = std::move(RISItr->second);
640 RegisteredInitSymbols.erase(RISItr);
647 if (NewInitSymbols.
empty()) {
656 std::lock_guard<std::mutex> Lock(PlatformMutex);
657 for (
auto &KV : JDDepMap) {
658 auto I = JITDylibToHeaderAddr.find(KV.first);
659 if (
I != JITDylibToHeaderAddr.end())
660 HeaderAddrs[KV.first] =
I->second;
665 MachOJITDylibDepInfoMap DIM;
666 DIM.reserve(JDDepMap.size());
667 for (
auto &KV : JDDepMap) {
668 auto HI = HeaderAddrs.
find(KV.first);
670 if (HI == HeaderAddrs.
end())
673 MachOJITDylibDepInfo DepInfo;
674 for (
auto &Dep : KV.second) {
675 auto HJ = HeaderAddrs.
find(Dep);
676 if (HJ != HeaderAddrs.
end())
677 DepInfo.DepHeaders.push_back(HJ->second);
679 DIM.push_back(std::make_pair(
H, std::move(DepInfo)));
686 lookupInitSymbolsAsync(
687 [
this, SendResult = std::move(SendResult), JD](
Error Err)
mutable {
689 SendResult(std::move(Err));
691 pushInitializersLoop(std::move(SendResult), JD);
693 ES, std::move(NewInitSymbols));
696void MachOPlatform::rt_pushInitializers(PushInitializersSendResultFn SendResult,
700 std::lock_guard<std::mutex> Lock(PlatformMutex);
701 auto I = HeaderAddrToJITDylib.find(JDHeaderAddr);
702 if (
I != HeaderAddrToJITDylib.end())
707 dbgs() <<
"MachOPlatform::rt_pushInitializers(" << JDHeaderAddr <<
") ";
709 dbgs() <<
"pushing initializers for " << JD->
getName() <<
"\n";
711 dbgs() <<
"No JITDylib for header address.\n";
715 SendResult(make_error<StringError>(
"No JITDylib with header addr " +
716 formatv(
"{0:x}", JDHeaderAddr),
721 pushInitializersLoop(std::move(SendResult), JD);
724void MachOPlatform::rt_pushSymbols(
725 PushSymbolsInSendResultFn SendResult,
ExecutorAddr Handle,
726 const std::vector<std::pair<StringRef, bool>> &SymbolNames) {
731 std::lock_guard<std::mutex> Lock(PlatformMutex);
732 auto I = HeaderAddrToJITDylib.find(Handle);
733 if (
I != HeaderAddrToJITDylib.end())
737 dbgs() <<
"MachOPlatform::rt_pushSymbols(";
741 dbgs() <<
"<invalid handle " << Handle <<
">, [ ";
742 for (
auto &
Name : SymbolNames)
743 dbgs() <<
"\"" <<
Name.first <<
"\" ";
748 SendResult(make_error<StringError>(
"No JITDylib associated with handle " +
757 ? SymbolLookupFlags::RequiredSymbol
758 : SymbolLookupFlags::WeaklyReferencedSymbol);
761 LookupKind::DLSym, {{JD, JITDylibLookupFlags::MatchExportedSymbolsOnly}},
762 std::move(LS), SymbolState::Ready,
764 SendResult(
Result.takeError());
770 if (!CreatePThreadKey.Addr)
771 return make_error<StringError>(
772 "Attempting to create pthread key in target, but runtime support has "
773 "not been loaded yet",
778 CreatePThreadKey.Addr,
Result))
779 return std::move(Err);
783void MachOPlatform::MachOPlatformPlugin::modifyPassConfig(
787 using namespace jitlink;
789 bool InBootstrapPhase =
false;
792 std::lock_guard<std::mutex> Lock(MP.PlatformMutex);
794 InBootstrapPhase =
true;
795 ++MP.Bootstrap->ActiveGraphs;
801 Config.PostAllocationPasses.push_back([
this](LinkGraph &
G) {
802 return bootstrapPipelineRecordRuntimeFunctions(
G);
811 if (InitSymbol == MP.MachOHeaderStartSymbol && !InBootstrapPhase) {
812 Config.PostAllocationPasses.push_back([
this, &MR](LinkGraph &
G) {
813 return associateJITDylibHeaderSymbol(
G, MR);
821 Config.PrePrunePasses.push_back([
this, &MR](LinkGraph &
G) {
822 if (
auto Err = preserveImportantSections(
G, MR))
824 return processObjCImageInfo(
G, MR);
826 Config.PostPrunePasses.push_back(
827 [
this](LinkGraph &
G) {
return createObjCRuntimeObject(
G); });
828 Config.PostAllocationPasses.push_back(
829 [
this, &MR](LinkGraph &
G) {
return populateObjCRuntimeObject(
G, MR); });
834 Config.PostPrunePasses.insert(
835 Config.PostPrunePasses.begin(),
837 return fixTLVSectionsAndEdges(
G, JD);
843 auto JITSymTabInfo = std::make_shared<JITSymTabVector>();
844 Config.PostPrunePasses.push_back([
this, JITSymTabInfo](LinkGraph &
G) {
845 return prepareSymbolTableRegistration(
G, *JITSymTabInfo);
847 Config.PostFixupPasses.push_back([
this, &MR, JITSymTabInfo,
848 InBootstrapPhase](LinkGraph &
G) {
849 return addSymbolTableRegistration(
G, MR, *JITSymTabInfo, InBootstrapPhase);
854 Config.PostAllocationPasses.push_back(
856 return registerObjectPlatformSections(
G, JD, InBootstrapPhase);
861 if (InBootstrapPhase)
862 Config.PostFixupPasses.push_back(
863 [
this](LinkGraph &
G) {
return bootstrapPipelineEnd(
G); });
866Error MachOPlatform::MachOPlatformPlugin::
869 std::pair<StringRef, ExecutorAddr *> RuntimeSymbols[] = {
870 {*MP.MachOHeaderStartSymbol, &MP.Bootstrap->MachOHeaderAddr},
871 {*MP.PlatformBootstrap.Name, &MP.PlatformBootstrap.Addr},
872 {*MP.PlatformShutdown.Name, &MP.PlatformShutdown.Addr},
873 {*MP.RegisterJITDylib.Name, &MP.RegisterJITDylib.Addr},
874 {*MP.DeregisterJITDylib.Name, &MP.DeregisterJITDylib.Addr},
875 {*MP.RegisterObjectSymbolTable.Name, &MP.RegisterObjectSymbolTable.Addr},
876 {*MP.DeregisterObjectSymbolTable.Name,
877 &MP.DeregisterObjectSymbolTable.Addr},
878 {*MP.RegisterObjectPlatformSections.Name,
879 &MP.RegisterObjectPlatformSections.Addr},
880 {*MP.DeregisterObjectPlatformSections.Name,
881 &MP.DeregisterObjectPlatformSections.Addr},
882 {*MP.CreatePThreadKey.Name, &MP.CreatePThreadKey.Addr},
883 {*MP.RegisterObjCRuntimeObject.Name, &MP.RegisterObjCRuntimeObject.Addr},
884 {*MP.DeregisterObjCRuntimeObject.Name,
885 &MP.DeregisterObjCRuntimeObject.Addr}};
887 bool RegisterMachOHeader =
false;
889 for (
auto *
Sym :
G.defined_symbols()) {
890 for (
auto &RTSym : RuntimeSymbols) {
891 if (
Sym->hasName() && *
Sym->getName() == RTSym.first) {
893 return make_error<StringError>(
894 "Duplicate " + RTSym.first +
895 " detected during MachOPlatform bootstrap",
898 if (
Sym->getName() == MP.MachOHeaderStartSymbol)
899 RegisterMachOHeader =
true;
901 *RTSym.second =
Sym->getAddress();
906 if (RegisterMachOHeader) {
909 std::lock_guard<std::mutex> Lock(MP.PlatformMutex);
910 MP.JITDylibToHeaderAddr[&MP.PlatformJD] = MP.Bootstrap->MachOHeaderAddr;
911 MP.HeaderAddrToJITDylib[MP.Bootstrap->MachOHeaderAddr] = &MP.PlatformJD;
917Error MachOPlatform::MachOPlatformPlugin::bootstrapPipelineEnd(
919 std::lock_guard<std::mutex> Lock(MP.Bootstrap->Mutex);
921 --MP.Bootstrap->ActiveGraphs;
924 if (MP.Bootstrap->ActiveGraphs == 0)
925 MP.Bootstrap->CV.notify_all();
929Error MachOPlatform::MachOPlatformPlugin::associateJITDylibHeaderSymbol(
932 return Sym->getName() == MP.MachOHeaderStartSymbol;
934 assert(
I !=
G.defined_symbols().end() &&
"Missing MachO header start symbol");
937 std::lock_guard<std::mutex> Lock(MP.PlatformMutex);
938 auto HeaderAddr = (*I)->getAddress();
939 MP.JITDylibToHeaderAddr[&JD] = HeaderAddr;
940 MP.HeaderAddrToJITDylib[HeaderAddr] = &JD;
943 G.allocActions().push_back(
946 MP.RegisterJITDylib.Addr, JD.
getName(), HeaderAddr)),
948 MP.DeregisterJITDylib.Addr, HeaderAddr))});
952Error MachOPlatform::MachOPlatformPlugin::preserveImportantSections(
958 if (
auto *ObjCImageInfoSec =
960 if (ObjCImageInfoSec->blocks_size() != 1)
961 return make_error<StringError>(
962 "In " +
G.getName() +
963 "__DATA,__objc_imageinfo contains multiple blocks",
965 G.addAnonymousSymbol(**ObjCImageInfoSec->blocks().begin(), 0, 0,
false,
968 for (
auto *
B : ObjCImageInfoSec->blocks())
969 if (!
B->edges_empty())
970 return make_error<StringError>(
"In " +
G.getName() +
", " +
972 " contains references to symbols",
989 auto *InitSection =
G.findSectionByName(InitSectionName);
990 if (!InitSection || InitSection->empty())
996 auto &
B = **InitSection->blocks().begin();
997 InitSym = &
G.addDefinedSymbol(
1003 for (
auto *
B : InitSection->blocks()) {
1007 auto &S =
G.addAnonymousSymbol(*
B, 0,
B->getSize(),
false,
true);
1016Error MachOPlatform::MachOPlatformPlugin::processObjCImageInfo(
1029 auto ObjCImageInfoBlocks = ObjCImageInfo->blocks();
1032 if (ObjCImageInfoBlocks.empty())
1034 " section in " +
G.getName(),
1038 if (std::next(ObjCImageInfoBlocks.begin()) != ObjCImageInfoBlocks.end())
1039 return make_error<StringError>(
"Multiple blocks in " +
1041 " section in " +
G.getName(),
1046 for (
auto &Sec :
G.sections()) {
1047 if (&Sec != ObjCImageInfo)
1048 for (
auto *
B : Sec.blocks())
1049 for (
auto &E :
B->edges())
1050 if (E.getTarget().isDefined() &&
1051 &E.getTarget().getBlock().getSection() == ObjCImageInfo)
1053 " is referenced within file " +
1058 auto &ObjCImageInfoBlock = **ObjCImageInfoBlocks.begin();
1059 auto *ObjCImageInfoData = ObjCImageInfoBlock.getContent().data();
1065 std::lock_guard<std::mutex> Lock(PluginMutex);
1068 if (ObjCImageInfoItr != ObjCImageInfos.end()) {
1071 if (ObjCImageInfoItr->second.Version !=
Version)
1072 return make_error<StringError>(
1073 "ObjC version in " +
G.getName() +
1074 " does not match first registered version",
1076 if (ObjCImageInfoItr->second.Flags != Flags)
1077 if (
Error E = mergeImageInfoFlags(
G, MR, ObjCImageInfoItr->second, Flags))
1081 for (
auto *S : ObjCImageInfo->symbols())
1082 G.removeDefinedSymbol(*S);
1083 G.removeBlock(ObjCImageInfoBlock);
1086 dbgs() <<
"MachOPlatform: Registered __objc_imageinfo for "
1088 <<
"; flags = " <<
formatv(
"{0:x4}", Flags) <<
"\n";
1092 G.addDefinedSymbol(ObjCImageInfoBlock, 0, ObjCImageInfoSymbolName,
1096 {{MR.getExecutionSession().intern(ObjCImageInfoSymbolName),
1097 JITSymbolFlags()}}))
1105Error MachOPlatform::MachOPlatformPlugin::mergeImageInfoFlags(
1107 ObjCImageInfo &Info,
uint32_t NewFlags) {
1108 if (
Info.Flags == NewFlags)
1111 ObjCImageInfoFlags Old(
Info.Flags);
1112 ObjCImageInfoFlags
New(NewFlags);
1115 if (Old.SwiftABIVersion &&
New.SwiftABIVersion &&
1116 Old.SwiftABIVersion !=
New.SwiftABIVersion)
1117 return make_error<StringError>(
"Swift ABI version in " +
G.getName() +
1118 " does not match first registered flags",
1124 if (
Info.Finalized && Old.HasCategoryClassProperties &&
1125 !
New.HasCategoryClassProperties)
1126 return make_error<StringError>(
"ObjC category class property support in " +
1128 " does not match first registered flags",
1130 if (
Info.Finalized && Old.HasSignedObjCClassROs && !
New.HasSignedObjCClassROs)
1131 return make_error<StringError>(
"ObjC class_ro_t pointer signing in " +
1133 " does not match first registered flags",
1142 if (Old.SwiftVersion &&
New.SwiftVersion)
1143 New.SwiftVersion = std::min(Old.SwiftVersion,
New.SwiftVersion);
1144 else if (Old.SwiftVersion)
1145 New.SwiftVersion = Old.SwiftVersion;
1147 if (!
New.SwiftABIVersion)
1148 New.SwiftABIVersion = Old.SwiftABIVersion;
1150 if (Old.HasCategoryClassProperties !=
New.HasCategoryClassProperties)
1151 New.HasCategoryClassProperties =
false;
1153 if (Old.HasSignedObjCClassROs !=
New.HasSignedObjCClassROs)
1154 New.HasSignedObjCClassROs =
false;
1157 dbgs() <<
"MachOPlatform: Merging __objc_imageinfo flags for "
1159 <<
formatv(
"{0:x4}", Old.rawFlags()) <<
")"
1160 <<
" with " <<
G.getName() <<
" (" <<
formatv(
"{0:x4}", NewFlags)
1162 <<
" -> " <<
formatv(
"{0:x4}",
New.rawFlags()) <<
"\n";
1169Error MachOPlatform::MachOPlatformPlugin::fixTLVSectionsAndEdges(
1171 auto TLVBootStrapSymbolName =
G.intern(
"__tlv_bootstrap");
1173 for (
auto *
Sym :
G.external_symbols())
1174 if (
Sym->getName() == TLVBootStrapSymbolName) {
1176 MP.getExecutionSession().intern(
"___orc_rt_macho_tlv_get_addr");
1177 Sym->setName(std::move(TLSGetADDR));
1183 std::optional<uint64_t>
Key;
1185 std::lock_guard<std::mutex> Lock(MP.PlatformMutex);
1186 auto I = MP.JITDylibToPThreadKey.find(&JD);
1187 if (
I != MP.JITDylibToPThreadKey.end())
1192 if (
auto KeyOrErr = MP.createPThreadKey())
1195 return KeyOrErr.takeError();
1201 for (
auto *
B : ThreadDataSec->blocks()) {
1202 if (
B->getSize() != 3 *
G.getPointerSize())
1203 return make_error<StringError>(
"__thread_vars block at " +
1204 formatv(
"{0:x}",
B->getAddress()) +
1205 " has unexpected size",
1208 auto NewBlockContent =
G.allocateBuffer(
B->getSize());
1209 llvm::copy(
B->getContent(), NewBlockContent.data());
1210 memcpy(NewBlockContent.data() +
G.getPointerSize(), &PlatformKeyBits,
1211 G.getPointerSize());
1212 B->setContent(NewBlockContent);
1217 for (
auto *
B :
G.blocks())
1218 for (
auto &E :
B->edges())
1221 E.setKind(jitlink::x86_64::
1222 RequestGOTAndTransformToPCRel32GOTLoadREXRelaxable);
1227std::optional<MachOPlatform::MachOPlatformPlugin::UnwindSections>
1228MachOPlatform::MachOPlatformPlugin::findUnwindSectionInfo(
1230 using namespace jitlink;
1238 if (Sec.blocks().empty())
1240 SecRange = (*Sec.blocks().begin())->
getRange();
1241 for (
auto *
B : Sec.blocks()) {
1242 auto R =
B->getRange();
1243 SecRange.Start = std::min(SecRange.Start,
R.Start);
1244 SecRange.End = std::max(SecRange.End,
R.End);
1245 for (
auto &E :
B->edges()) {
1246 if (!E.getTarget().isDefined())
1248 auto &TargetBlock = E.getTarget().getBlock();
1249 auto &TargetSection = TargetBlock.getSection();
1250 if ((TargetSection.getMemProt() & MemProt::Exec) == MemProt::Exec)
1257 ScanUnwindInfoSection(*EHFrameSec, US.DwarfSection);
1259 if (Section *CUInfoSec =
1261 ScanUnwindInfoSection(*CUInfoSec, US.CompactUnwindSection);
1265 if (CodeBlocks.
empty())
1266 return std::nullopt;
1271 return LHS->getAddress() <
RHS->getAddress();
1273 for (
auto *
B : CodeBlocks) {
1274 if (US.CodeRanges.empty() || US.CodeRanges.back().End !=
B->getAddress())
1275 US.CodeRanges.push_back(
B->getRange());
1277 US.CodeRanges.back().End =
B->getRange().End;
1281 dbgs() <<
"MachOPlatform identified unwind info in " <<
G.getName() <<
":\n"
1283 if (US.DwarfSection.Start)
1284 dbgs() << US.DwarfSection <<
"\n";
1287 dbgs() <<
" Compact-unwind: ";
1288 if (US.CompactUnwindSection.Start)
1289 dbgs() << US.CompactUnwindSection <<
"\n";
1292 <<
"for code ranges:\n";
1293 for (
auto &CR : US.CodeRanges)
1294 dbgs() <<
" " << CR <<
"\n";
1295 if (US.CodeRanges.size() >=
G.sections_size())
1296 dbgs() <<
"WARNING: High number of discontiguous code ranges! "
1297 "Padding may be interfering with coalescing.\n";
1303Error MachOPlatform::MachOPlatformPlugin::registerObjectPlatformSections(
1316 if (ThreadDataSection)
1317 G.mergeSections(*ThreadDataSection, *ThreadBSSSection);
1319 ThreadDataSection = ThreadBSSSection;
1328 for (
auto &SecName : DataSections) {
1329 if (
auto *Sec =
G.findSectionByName(SecName)) {
1332 MachOPlatformSecs.
push_back({SecName,
R.getRange()});
1338 if (ThreadDataSection) {
1347 ObjCRuntimeObjectSectionName};
1349 for (
auto &SecName : PlatformSections) {
1350 auto *Sec =
G.findSectionByName(SecName);
1357 MachOPlatformSecs.
push_back({SecName,
R.getRange()});
1363 if (
auto UI = findUnwindSectionInfo(
G))
1364 UnwindInfo = std::make_tuple(std::move(UI->CodeRanges), UI->DwarfSection,
1365 UI->CompactUnwindSection);
1367 if (!MachOPlatformSecs.
empty() || UnwindInfo) {
1370 dbgs() <<
"MachOPlatform: Scraped " <<
G.getName() <<
" init sections:\n";
1371 for (
auto &KV : MachOPlatformSecs)
1372 dbgs() <<
" " << KV.first <<
": " << KV.second <<
"\n";
1375 using SPSRegisterObjectPlatformSectionsArgs =
SPSArgList<
1383 std::lock_guard<std::mutex> Lock(MP.PlatformMutex);
1384 auto I = MP.JITDylibToHeaderAddr.find(&JD);
1385 assert(
I != MP.JITDylibToHeaderAddr.end() &&
1386 "No header registered for JD");
1387 assert(
I->second &&
"Null header registered for JD");
1388 HeaderAddr =
I->second;
1393 WrapperFunctionCall::Create<SPSRegisterObjectPlatformSectionsArgs>(
1394 MP.RegisterObjectPlatformSections.Addr, HeaderAddr, UnwindInfo,
1395 MachOPlatformSecs)),
1397 WrapperFunctionCall::Create<SPSRegisterObjectPlatformSectionsArgs>(
1398 MP.DeregisterObjectPlatformSections.Addr, HeaderAddr,
1399 UnwindInfo, MachOPlatformSecs))};
1404 std::lock_guard<std::mutex> Lock(MP.Bootstrap->Mutex);
1405 MP.Bootstrap->DeferredAAs.push_back(std::move(
AllocActions));
1412Error MachOPlatform::MachOPlatformPlugin::createObjCRuntimeObject(
1415 bool NeedTextSegment =
false;
1416 size_t NumRuntimeSections = 0;
1418 for (
auto ObjCRuntimeSectionName : ObjCRuntimeObjectSectionsData)
1419 if (
G.findSectionByName(ObjCRuntimeSectionName))
1420 ++NumRuntimeSections;
1422 for (
auto ObjCRuntimeSectionName : ObjCRuntimeObjectSectionsText) {
1423 if (
G.findSectionByName(ObjCRuntimeSectionName)) {
1424 ++NumRuntimeSections;
1425 NeedTextSegment =
true;
1430 if (NumRuntimeSections == 0)
1435 ++NumRuntimeSections;
1441 auto &Sec =
G.createSection(ObjCRuntimeObjectSectionName,
1442 MemProt::Read | MemProt::Write);
1443 G.createMutableContentBlock(Sec, MachOSize,
ExecutorAddr(), 16, 0,
true);
1448Error MachOPlatform::MachOPlatformPlugin::populateObjCRuntimeObject(
1451 auto *ObjCRuntimeObjectSec =
1452 G.findSectionByName(ObjCRuntimeObjectSectionName);
1454 if (!ObjCRuntimeObjectSec)
1457 switch (
G.getTargetTriple().getArch()) {
1463 return make_error<StringError>(
"Unrecognized MachO arch in triple " +
1464 G.getTargetTriple().str(),
1468 auto &SecBlock = **ObjCRuntimeObjectSec->blocks().begin();
1475 std::vector<SecDesc> TextSections, DataSections;
1481 memcpy(SD.Sec.segname, FQName.
data(), 6);
1482 SD.Sec.addr = SR.getStart() - SecBlock.getAddress();
1483 SD.Sec.size = SR.getSize();
1489 DataSections.push_back({});
1490 auto &SD = DataSections.back();
1491 memset(&SD.Sec, 0,
sizeof(SD.Sec));
1492 memcpy(SD.Sec.sectname,
"__objc_imageinfo", 16);
1493 strcpy(SD.Sec.segname,
"__DATA");
1495 SD.AddFixups = [&](
size_t RecordOffset) {
1496 auto PointerEdge = getPointerEdgeKind(
G);
1500 for (
auto *
Sym :
G.external_symbols())
1501 if (
Sym->hasName() && *
Sym->getName() == ObjCImageInfoSymbolName) {
1502 ObjCImageInfoSym =
Sym;
1505 if (!ObjCImageInfoSym)
1506 for (
auto *
Sym :
G.absolute_symbols())
1507 if (
Sym->hasName() && *
Sym->getName() == ObjCImageInfoSymbolName) {
1508 ObjCImageInfoSym =
Sym;
1511 if (!ObjCImageInfoSym)
1512 for (
auto *
Sym :
G.defined_symbols())
1513 if (
Sym->hasName() && *
Sym->getName() == ObjCImageInfoSymbolName) {
1514 ObjCImageInfoSym =
Sym;
1515 std::optional<uint32_t>
Flags;
1517 std::lock_guard<std::mutex> Lock(PluginMutex);
1519 if (It != ObjCImageInfos.end()) {
1520 It->second.Finalized =
true;
1521 Flags = It->second.Flags;
1528 auto Content =
Sym->getBlock().getMutableContent(
G);
1530 "__objc_image_info size should have been verified already");
1535 if (!ObjCImageInfoSym)
1537 &
G.addExternalSymbol(ObjCImageInfoSymbolName, 8,
false);
1539 SecBlock.addEdge(PointerEdge,
1540 RecordOffset + ((
char *)&SD.Sec.addr - (
char *)&SD.Sec),
1541 *ObjCImageInfoSym, -SecBlock.getAddress().getValue());
1545 for (
auto ObjCRuntimeSectionName : ObjCRuntimeObjectSectionsData) {
1546 if (
auto *GraphSec =
G.findSectionByName(ObjCRuntimeSectionName)) {
1547 DataSections.push_back({});
1548 AddSection(DataSections.back(), *GraphSec);
1552 for (
auto ObjCRuntimeSectionName : ObjCRuntimeObjectSectionsText) {
1553 if (
auto *GraphSec =
G.findSectionByName(ObjCRuntimeSectionName)) {
1554 TextSections.push_back({});
1555 AddSection(TextSections.back(), *GraphSec);
1559 assert(ObjCRuntimeObjectSec->blocks_size() == 1 &&
1560 "Unexpected number of blocks in runtime sections object");
1566 switch (
G.getTargetTriple().getArch()) {
1580 Hdr.
ncmds = 1 + !TextSections.empty();
1587 auto SecContent = SecBlock.getAlreadyMutableContent();
1588 char *
P = SecContent.data();
1589 auto WriteMachOStruct = [&](
auto S) {
1592 memcpy(
P, &S,
sizeof(S));
1596 auto WriteSegment = [&](
StringRef Name, std::vector<SecDesc> &Secs) {
1598 memset(&SegLC, 0,
sizeof(SegLC));
1600 SegLC.
cmd = MachO::LC_SEGMENT_64;
1603 SegLC.
nsects = Secs.size();
1604 WriteMachOStruct(SegLC);
1605 for (
auto &SD : Secs) {
1607 SD.AddFixups(
P - SecContent.data());
1608 WriteMachOStruct(SD.Sec);
1612 WriteMachOStruct(Hdr);
1613 if (!TextSections.empty())
1614 WriteSegment(
"__TEXT", TextSections);
1615 if (!DataSections.empty())
1616 WriteSegment(
"__DATA", DataSections);
1618 assert(
P == SecContent.end() &&
"Underflow writing ObjC runtime object");
1622Error MachOPlatform::MachOPlatformPlugin::prepareSymbolTableRegistration(
1628 MemProt::Read | MemProt::Exec);
1632 for (
auto *
Sym : CStringSec->symbols()) {
1645 for (
auto *
Sym :
G.defined_symbols())
1647 for (
auto *
Sym :
G.absolute_symbols())
1650 for (
auto *
Sym : SymsToProcess) {
1651 if (!
Sym->hasName())
1654 auto I = ExistingStrings.
find(*
Sym->getName());
1655 if (
I == ExistingStrings.
end()) {
1656 auto &NameBlock =
G.createMutableContentBlock(
1657 *CStringSec,
G.allocateCString(*
Sym->getName()),
1659 auto &SymbolNameSym =
G.addAnonymousSymbol(
1660 NameBlock, 0, NameBlock.getSize(),
false,
true);
1661 JITSymTabInfo.push_back({
Sym, &SymbolNameSym});
1663 JITSymTabInfo.push_back({
Sym,
I->second});
1670Error MachOPlatform::MachOPlatformPlugin::addSymbolTableRegistration(
1672 JITSymTabVector &JITSymTabInfo,
bool InBootstrapPhase) {
1676 std::lock_guard<std::mutex> Lock(MP.PlatformMutex);
1678 assert(
I != MP.JITDylibToHeaderAddr.end() &&
"No header registered for JD");
1679 assert(
I->second &&
"Null header registered for JD");
1680 HeaderAddr =
I->second;
1687 std::lock_guard<std::mutex> Lock(MP.Bootstrap->Mutex);
1688 auto &SymTab = MP.Bootstrap->SymTab;
1689 for (
auto &[OriginalSymbol, NameSym] : JITSymTabInfo)
1690 SymTab.push_back({NameSym->getAddress(), OriginalSymbol->getAddress(),
1691 flagsForSymbol(*OriginalSymbol)});
1695 SymbolTableVector SymTab;
1696 for (
auto &[OriginalSymbol, NameSym] : JITSymTabInfo)
1697 SymTab.push_back({NameSym->getAddress(), OriginalSymbol->getAddress(),
1698 flagsForSymbol(*OriginalSymbol)});
1700 G.allocActions().push_back(
1701 {
cantFail(WrapperFunctionCall::Create<SPSRegisterSymbolsArgs>(
1702 MP.RegisterObjectSymbolTable.Addr, HeaderAddr, SymTab)),
1703 cantFail(WrapperFunctionCall::Create<SPSRegisterSymbolsArgs>(
1704 MP.DeregisterObjectSymbolTable.Addr, HeaderAddr, SymTab))});
1709template <
typename MachOTraits>
1719 B.Header.cputype = HdrInfo.CPUType;
1720 B.Header.cpusubtype = HdrInfo.CPUSubType;
1723 B.template addLoadCommand<MachO::LC_ID_DYLIB>(
1725 Opts.
IDDylib->CurrentVersion, Opts.
IDDylib->CompatibilityVersion);
1727 B.template addLoadCommand<MachO::LC_ID_DYLIB>(JD.
getName(), 0, 0, 0);
1730 B.template addLoadCommand<MachO::LC_BUILD_VERSION>(
1731 BV.Platform, BV.MinOS, BV.SDK,
static_cast<uint32_t>(0));
1733 B.template addLoadCommand<MachO::LC_LOAD_DYLIB>(
1734 D.Name,
D.Timestamp,
D.CurrentVersion,
D.CompatibilityVersion);
1736 B.template addLoadCommand<MachO::LC_RPATH>(
P);
1738 auto HeaderContent =
G.allocateBuffer(
B.layout());
1739 B.write(HeaderContent);
1741 return G.createContentBlock(HeaderSection, HeaderContent,
ExecutorAddr(), 8,
1749 createHeaderInterface(MOP,
std::
move(HeaderStartSymbol))),
1750 MOP(MOP), Opts(
std::
move(Opts)) {}
1753 std::unique_ptr<MaterializationResponsibility> R) {
1754 auto G = createPlatformGraph(
MOP,
"<MachOHeaderMU>");
1755 addMachOHeader(R->getTargetJITDylib(), *
G, R->getInitializerSymbol());
1762void SimpleMachOHeaderMU::addMachOHeader(
1765 auto &HeaderSection =
G.createSection(
"__header",
MemProt::Read);
1769 G.addDefinedSymbol(HeaderBlock, 0, *InitializerSymbol, HeaderBlock.getSize(),
1772 for (
auto &HS : AdditionalHeaderSymbols)
1773 G.addDefinedSymbol(HeaderBlock, HS.Offset, HS.Name, HeaderBlock.getSize(),
1784 return ::createHeaderBlock<MachO64LE>(
MOP,
Opts, JD,
G, HeaderSection);
1795 for (
auto &HS : AdditionalHeaderSymbols)
1804 switch (TT.getArch()) {
static GCRegistry::Add< OcamlGC > B("ocaml", "ocaml 3.10-compatible GC")
static GCRegistry::Add< StatepointGC > D("statepoint-example", "an example strategy for statepoint")
Analysis containing CSE Info
#define LLVM_UNLIKELY(EXPR)
#define LLVM_LIKELY(EXPR)
static std::optional< ConstantRange > getRange(Value *V, const InstrInfoQuery &IIQ)
Helper method to get range from metadata or attribute.
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
iterator find(const_arg_type_t< KeyT > Val)
size_type count(const_arg_type_t< KeyT > Val) const
Return 1 if the specified key is in the map, 0 otherwise.
std::pair< iterator, bool > insert(const std::pair< KeyT, ValueT > &KV)
void reserve(size_type NumEntries)
Grow the densemap so that it can contain at least NumEntries items before resizing again.
Helper for Errors used as out-parameters.
Lightweight error class with error context and mandatory checking.
static ErrorSuccess success()
Create a success value.
Tagged union holding either a T or a Error.
void push_back(const T &Elt)
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small.
StringRef - Represent a constant reference to a string, i.e.
StringRef drop_front(size_t N=1) const
Return a StringRef equal to 'this' but with the first N elements dropped.
constexpr size_t size() const
size - Get the string size.
constexpr const char * data() const
data - Get a pointer to the start of the string (which may not be null terminated).
Manages the enabling and disabling of subtarget specific features.
Triple - Helper class for working with autoconf configuration names.
ArchType getArch() const
Get the parsed architecture type of this triple.
An Addressable with content and edges.
void addEdge(Edge::Kind K, Edge::OffsetT Offset, Symbol &Target, Edge::AddendT Addend)
Add an edge to this block.
const std::string & getName() const
Get the name for this JITLinkDylib.
Represents a section address range via a pair of Block pointers to the first and last Blocks in the s...
Represents an object file section.
Block & getBlock()
Return the Block for this Symbol (Symbol must be defined).
An ExecutionSession represents a running JIT program.
const Triple & getTargetTriple() const
Return the triple for the executor.
SymbolStringPtr intern(StringRef SymName)
Add a symbol name to the SymbolStringPool and return a pointer to it.
static JITDispatchHandlerFunction wrapAsyncWithSPS(HandlerT &&H)
Wrap a handler that takes concrete argument types (and a sender for a concrete return type) to produc...
void lookup(LookupKind K, const JITDylibSearchOrder &SearchOrder, SymbolLookupSet Symbols, SymbolState RequiredState, SymbolsResolvedCallback NotifyComplete, RegisterDependenciesFunction RegisterDependencies)
Search the given JITDylibs for the given symbols.
Error registerJITDispatchHandlers(JITDylib &JD, JITDispatchHandlerAssociationMap WFs)
For each tag symbol name, associate the corresponding AsyncHandlerWrapperFunction with the address of...
decltype(auto) runSessionLocked(Func &&F)
Run the given lambda with the session mutex locked.
Represents an address in the executor process.
Represents a JIT'd dynamic library.
Error define(std::unique_ptr< MaterializationUnitType > &&MU, ResourceTrackerSP RT=nullptr)
Define all symbols provided by the materialization unit to be part of this JITDylib.
GeneratorT & addGenerator(std::unique_ptr< GeneratorT > DefGenerator)
Adds a definition generator to this JITDylib and returns a referenece to it.
ExecutionSession & getExecutionSession()
LinkGraphLinkingLayer & addPlugin(std::shared_ptr< Plugin > P)
Add a plugin.
Tracks responsibility for materialization, and mediates interactions between MaterializationUnits and...
Error defineMaterializing(SymbolFlagsMap SymbolFlags)
Attempt to claim responsibility for new definitions.
const SymbolStringPtr & getInitializerSymbol() const
Returns the initialization pseudo-symbol, if any.
JITDylib & getTargetJITDylib() const
Returns the target JITDylib that these symbols are being materialized into.
A MaterializationUnit represents a set of symbol definitions that can be materialized as a group,...
virtual StringRef getName() const =0
Return the name of this materialization unit.
virtual void materialize(std::unique_ptr< MaterializationResponsibility > R)=0
Implementations of this method should materialize all symbols in the materialzation unit,...
const SymbolStringPtr & getInitializerSymbol() const
Returns the initialization symbol for this MaterializationUnit (if any).
An ObjectLayer implementation built on JITLink.
void emit(std::unique_ptr< MaterializationResponsibility > R, std::unique_ptr< MemoryBuffer > O) override
Emit an object file.
API to remove / transfer ownership of JIT resources.
JITDylib & getJITDylib() const
Return the JITDylib targeted by this tracker.
static Expected< std::unique_ptr< StaticLibraryDefinitionGenerator > > Load(ObjectLayer &L, const char *FileName, VisitMembersFunction VisitMembers=VisitMembersFunction(), GetObjectFileInterface GetObjFileInterface=GetObjectFileInterface())
Try to create a StaticLibraryDefinitionGenerator from the given path.
A set of symbols to look up, each associated with a SymbolLookupFlags value.
Pointer to a pooled string representing a symbol name.
A utility class for serializing to a blob from a variadic list.
SPS tag type for expecteds, which are either a T or a string representing an error.
SPS tag type for optionals.
Output char buffer with overflow check.
SPS tag type for sequences.
static size_t size(const MachOPlatform::MachOExecutorSymbolFlags &SF)
static bool deserialize(SPSInputBuffer &IB, MachOPlatform::MachOExecutorSymbolFlags &SF)
static bool serialize(SPSOutputBuffer &OB, const MachOPlatform::MachOExecutorSymbolFlags &SF)
static bool serialize(SPSOutputBuffer &OB, const MachOPlatform::MachOJITDylibDepInfo &DDI)
static size_t size(const MachOPlatform::MachOJITDylibDepInfo &DDI)
static bool deserialize(SPSInputBuffer &IB, MachOPlatform::MachOJITDylibDepInfo &DDI)
Specialize to describe how to serialize/deserialize to/from the given concrete type.
static Expected< WrapperFunctionCall > Create(ExecutorAddr FnAddr, const ArgTs &...Args)
Create a WrapperFunctionCall using the given SPS serializer to serialize the arguments.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
@ S_REGULAR
S_REGULAR - Regular section.
void swapStruct(fat_header &mh)
@ Pointer64
A plain 64-bit pointer value relocation.
@ RequestTLVPAndTransformToPCRel32TLVPLoadREXRelaxable
A TLVP entry getter/constructor, transformed to Delta32ToTLVPLoadREXRelaxable.
@ Pointer64
A plain 64-bit pointer value relocation.
const char * getGenericEdgeKindName(Edge::Kind K)
Returns the string name of the given generic edge kind, or "unknown" otherwise.
SPSTuple< SPSExecutorAddr, SPSExecutorAddr > SPSExecutorAddrRange
std::vector< AllocActionCallPair > AllocActions
A vector of allocation actions to be run for this allocation.
StringRef MachOSwift5EntrySectionName
StringRef MachOThreadBSSSectionName
StringRef MachOThreadVarsSectionName
JITDylibSearchOrder makeJITDylibSearchOrder(ArrayRef< JITDylib * > JDs, JITDylibLookupFlags Flags=JITDylibLookupFlags::MatchExportedSymbolsOnly)
Convenience function for creating a search order from an ArrayRef of JITDylib*, all with the same fla...
StringRef MachOCompactUnwindInfoSectionName
std::unique_ptr< ReExportsMaterializationUnit > symbolAliases(SymbolAliasMap Aliases)
Create a ReExportsMaterializationUnit with the given aliases.
std::unique_ptr< AbsoluteSymbolsMaterializationUnit > absoluteSymbols(SymbolMap Symbols)
Create an AbsoluteSymbolsMaterializationUnit with the given symbols.
StringRef MachOObjCProtoListSectionName
StringRef MachOSwift5ProtosSectionName
StringRef MachOEHFrameSectionName
StringRef MachOModInitFuncSectionName
StringRef MachOObjCConstSectionName
StringRef MachODataDataSectionName
StringRef MachOSwift5ProtoSectionName
static void addAliases(ExecutionSession &ES, SymbolAliasMap &Aliases, ArrayRef< std::pair< const char *, const char * > > AL)
StringRef MachOObjCCatListSectionName
StringRef MachOObjCClassRefsSectionName
StringRef MachOObjCDataSectionName
StringRef MachOObjCClassNameSectionName
StringRef MachOObjCMethNameSectionName
StringRef MachOInitSectionNames[22]
StringRef MachOObjCClassListSectionName
StringRef MachOObjCSelRefsSectionName
StringRef MachOSwift5FieldMetadataSectionName
StringRef MachOCStringSectionName
StringRef MachOObjCMethTypeSectionName
StringRef MachOSwift5TypesSectionName
StringRef MachOObjCNLCatListSectionName
jitlink::Block & createHeaderBlock(MachOPlatform &MOP, const MachOPlatform::HeaderOptions &Opts, JITDylib &JD, jitlink::LinkGraph &G, jitlink::Section &HeaderSection)
StringRef MachOObjCNLClassListSectionName
StringRef MachOObjCImageInfoSectionName
MachOHeaderInfo getMachOHeaderInfoFromTriple(const Triple &TT)
RegisterDependenciesFunction NoDependenciesToRegister
This can be used as the value for a RegisterDependenciesFunction if there are no dependants to regist...
StringRef MachOThreadDataSectionName
StringRef MachODataCommonSectionName
StringRef MachOObjCProtoRefsSectionName
StringRef MachOSwift5TypeRefSectionName
StringRef MachOObjCCatList2SectionName
value_type byte_swap(value_type value, endianness endian)
uint32_t read32(const void *P, endianness E)
void write32(void *P, uint32_t V, endianness E)
This is an optimization pass for GlobalISel generic memory operations.
std::error_code inconvertibleErrorCode()
The value returned by this function can be returned from convertToErrorCode for Error values where no...
auto formatv(bool Validate, const char *Fmt, Ts &&...Vals)
void sort(IteratorTy Start, IteratorTy End)
raw_ostream & dbgs()
dbgs() - This returns a reference to a raw_ostream for debugging messages.
void cantFail(Error Err, const char *Msg=nullptr)
Report a fatal error if Err is a failure value.
OutputIt copy(R &&Range, OutputIt Out)
OutputIt move(R &&Range, OutputIt Out)
Provide wrappers to std::move which take ranges instead of having to pass begin/end explicitly.
auto find_if(R &&Range, UnaryPredicate P)
Provide wrappers to std::find_if which take ranges instead of having to pass begin/end explicitly.
Implement std::hash so that hash_code can be used in STL containers.
An LinkGraph pass configuration, consisting of a list of pre-prune, post-prune, and post-fixup passes...
Represents an address range in the exceutor process.
A pair of WrapperFunctionCalls, one to be run at finalization time, one to be run at deallocation tim...