1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
12 #include "llvm/IR/DebugInfoMetadata.h"
13 #include "llvm/IR/DiagnosticInfo.h"
14 #include "llvm/IR/DiagnosticPrinter.h"
15 #include "llvm/IR/Instructions.h"
16 #include "llvm/Object/Archive.h"
17 #include "llvm/Object/ObjectFile.h"
18 #include "llvm/Bitcode/BitcodeWriterPass.h"
20 #include "llvm/IR/CallSite.h"
22 #if LLVM_VERSION_GE(5, 0)
23 #include "llvm/ADT/Optional.h"
26 //===----------------------------------------------------------------------===
28 // This file defines alternate interfaces to core functions that are more
29 // readily callable by Rust's FFI.
31 //===----------------------------------------------------------------------===
34 using namespace llvm::sys;
35 using namespace llvm::object;
37 // LLVMAtomicOrdering is already an enum - don't create another
39 static AtomicOrdering fromRust(LLVMAtomicOrdering Ordering) {
41 case LLVMAtomicOrderingNotAtomic:
42 return AtomicOrdering::NotAtomic;
43 case LLVMAtomicOrderingUnordered:
44 return AtomicOrdering::Unordered;
45 case LLVMAtomicOrderingMonotonic:
46 return AtomicOrdering::Monotonic;
47 case LLVMAtomicOrderingAcquire:
48 return AtomicOrdering::Acquire;
49 case LLVMAtomicOrderingRelease:
50 return AtomicOrdering::Release;
51 case LLVMAtomicOrderingAcquireRelease:
52 return AtomicOrdering::AcquireRelease;
53 case LLVMAtomicOrderingSequentiallyConsistent:
54 return AtomicOrdering::SequentiallyConsistent;
57 report_fatal_error("Invalid LLVMAtomicOrdering value!");
60 static LLVM_THREAD_LOCAL char *LastError;
62 extern "C" LLVMMemoryBufferRef
63 LLVMRustCreateMemoryBufferWithContentsOfFile(const char *Path) {
64 ErrorOr<std::unique_ptr<MemoryBuffer>> BufOr =
65 MemoryBuffer::getFile(Path, -1, false);
67 LLVMRustSetLastError(BufOr.getError().message().c_str());
70 return wrap(BufOr.get().release());
73 extern "C" char *LLVMRustGetLastError(void) {
74 char *Ret = LastError;
79 extern "C" void LLVMRustSetLastError(const char *Err) {
80 free((void *)LastError);
81 LastError = strdup(Err);
84 extern "C" LLVMContextRef LLVMRustContextCreate(bool shouldDiscardNames) {
85 auto ctx = new LLVMContext();
86 ctx->setDiscardValueNames(shouldDiscardNames);
90 extern "C" void LLVMRustSetNormalizedTarget(LLVMModuleRef M,
92 unwrap(M)->setTargetTriple(Triple::normalize(Triple));
95 extern "C" void LLVMRustPrintPassTimings() {
96 raw_fd_ostream OS(2, false); // stderr.
97 TimerGroup::printAll(OS);
100 extern "C" LLVMValueRef LLVMRustGetNamedValue(LLVMModuleRef M,
102 return wrap(unwrap(M)->getNamedValue(Name));
105 extern "C" LLVMValueRef LLVMRustGetOrInsertFunction(LLVMModuleRef M,
107 LLVMTypeRef FunctionTy) {
109 unwrap(M)->getOrInsertFunction(Name, unwrap<FunctionType>(FunctionTy)));
112 extern "C" LLVMValueRef
113 LLVMRustGetOrInsertGlobal(LLVMModuleRef M, const char *Name, LLVMTypeRef Ty) {
114 return wrap(unwrap(M)->getOrInsertGlobal(Name, unwrap(Ty)));
117 extern "C" LLVMTypeRef LLVMRustMetadataTypeInContext(LLVMContextRef C) {
118 return wrap(Type::getMetadataTy(*unwrap(C)));
121 static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
124 return Attribute::AlwaysInline;
126 return Attribute::ByVal;
128 return Attribute::Cold;
130 return Attribute::InlineHint;
132 return Attribute::MinSize;
134 return Attribute::Naked;
136 return Attribute::NoAlias;
138 return Attribute::NoCapture;
140 return Attribute::NoInline;
142 return Attribute::NonNull;
144 return Attribute::NoRedZone;
146 return Attribute::NoReturn;
148 return Attribute::NoUnwind;
149 case OptimizeForSize:
150 return Attribute::OptimizeForSize;
152 return Attribute::ReadOnly;
154 return Attribute::SExt;
156 return Attribute::StructRet;
158 return Attribute::UWTable;
160 return Attribute::ZExt;
162 return Attribute::InReg;
164 return Attribute::SanitizeThread;
165 case SanitizeAddress:
166 return Attribute::SanitizeAddress;
168 return Attribute::SanitizeMemory;
170 report_fatal_error("bad AttributeKind");
173 extern "C" void LLVMRustAddCallSiteAttribute(LLVMValueRef Instr, unsigned Index,
174 LLVMRustAttribute RustAttr) {
175 CallSite Call = CallSite(unwrap<Instruction>(Instr));
176 Attribute Attr = Attribute::get(Call->getContext(), fromRust(RustAttr));
177 #if LLVM_VERSION_GE(5, 0)
178 Call.addAttribute(Index, Attr);
181 Call.setAttributes(Call.getAttributes().addAttributes(
182 Call->getContext(), Index,
183 AttributeSet::get(Call->getContext(), Index, B)));
187 extern "C" void LLVMRustAddAlignmentCallSiteAttr(LLVMValueRef Instr,
190 CallSite Call = CallSite(unwrap<Instruction>(Instr));
192 B.addAlignmentAttr(Bytes);
193 #if LLVM_VERSION_GE(5, 0)
194 Call.setAttributes(Call.getAttributes().addAttributes(
195 Call->getContext(), Index, B));
197 Call.setAttributes(Call.getAttributes().addAttributes(
198 Call->getContext(), Index,
199 AttributeSet::get(Call->getContext(), Index, B)));
203 extern "C" void LLVMRustAddDereferenceableCallSiteAttr(LLVMValueRef Instr,
206 CallSite Call = CallSite(unwrap<Instruction>(Instr));
208 B.addDereferenceableAttr(Bytes);
209 #if LLVM_VERSION_GE(5, 0)
210 Call.setAttributes(Call.getAttributes().addAttributes(
211 Call->getContext(), Index, B));
213 Call.setAttributes(Call.getAttributes().addAttributes(
214 Call->getContext(), Index,
215 AttributeSet::get(Call->getContext(), Index, B)));
219 extern "C" void LLVMRustAddDereferenceableOrNullCallSiteAttr(LLVMValueRef Instr,
222 CallSite Call = CallSite(unwrap<Instruction>(Instr));
224 B.addDereferenceableOrNullAttr(Bytes);
225 #if LLVM_VERSION_GE(5, 0)
226 Call.setAttributes(Call.getAttributes().addAttributes(
227 Call->getContext(), Index, B));
229 Call.setAttributes(Call.getAttributes().addAttributes(
230 Call->getContext(), Index,
231 AttributeSet::get(Call->getContext(), Index, B)));
235 extern "C" void LLVMRustAddFunctionAttribute(LLVMValueRef Fn, unsigned Index,
236 LLVMRustAttribute RustAttr) {
237 Function *A = unwrap<Function>(Fn);
238 Attribute Attr = Attribute::get(A->getContext(), fromRust(RustAttr));
240 #if LLVM_VERSION_GE(5, 0)
241 A->addAttributes(Index, B);
243 A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
247 extern "C" void LLVMRustAddAlignmentAttr(LLVMValueRef Fn,
250 Function *A = unwrap<Function>(Fn);
252 B.addAlignmentAttr(Bytes);
253 #if LLVM_VERSION_GE(5, 0)
254 A->addAttributes(Index, B);
256 A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
260 extern "C" void LLVMRustAddDereferenceableAttr(LLVMValueRef Fn, unsigned Index,
262 Function *A = unwrap<Function>(Fn);
264 B.addDereferenceableAttr(Bytes);
265 #if LLVM_VERSION_GE(5, 0)
266 A->addAttributes(Index, B);
268 A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
272 extern "C" void LLVMRustAddDereferenceableOrNullAttr(LLVMValueRef Fn,
275 Function *A = unwrap<Function>(Fn);
277 B.addDereferenceableOrNullAttr(Bytes);
278 #if LLVM_VERSION_GE(5, 0)
279 A->addAttributes(Index, B);
281 A->addAttributes(Index, AttributeSet::get(A->getContext(), Index, B));
285 extern "C" void LLVMRustAddFunctionAttrStringValue(LLVMValueRef Fn,
289 Function *F = unwrap<Function>(Fn);
291 B.addAttribute(Name, Value);
292 #if LLVM_VERSION_GE(5, 0)
293 F->addAttributes(Index, B);
295 F->addAttributes(Index, AttributeSet::get(F->getContext(), Index, B));
299 extern "C" void LLVMRustRemoveFunctionAttributes(LLVMValueRef Fn,
301 LLVMRustAttribute RustAttr) {
302 Function *F = unwrap<Function>(Fn);
303 Attribute Attr = Attribute::get(F->getContext(), fromRust(RustAttr));
305 auto PAL = F->getAttributes();
306 #if LLVM_VERSION_GE(5, 0)
307 auto PALNew = PAL.removeAttributes(F->getContext(), Index, B);
309 const AttributeSet PALNew = PAL.removeAttributes(
310 F->getContext(), Index, AttributeSet::get(F->getContext(), Index, B));
312 F->setAttributes(PALNew);
315 // enable fpmath flag UnsafeAlgebra
316 extern "C" void LLVMRustSetHasUnsafeAlgebra(LLVMValueRef V) {
317 if (auto I = dyn_cast<Instruction>(unwrap<Value>(V))) {
318 I->setHasUnsafeAlgebra(true);
322 extern "C" LLVMValueRef
323 LLVMRustBuildAtomicLoad(LLVMBuilderRef B, LLVMValueRef Source, const char *Name,
324 LLVMAtomicOrdering Order) {
325 LoadInst *LI = new LoadInst(unwrap(Source), 0);
326 LI->setAtomic(fromRust(Order));
327 return wrap(unwrap(B)->Insert(LI, Name));
330 extern "C" LLVMValueRef LLVMRustBuildAtomicStore(LLVMBuilderRef B,
333 LLVMAtomicOrdering Order) {
334 StoreInst *SI = new StoreInst(unwrap(V), unwrap(Target));
335 SI->setAtomic(fromRust(Order));
336 return wrap(unwrap(B)->Insert(SI));
339 extern "C" LLVMValueRef
340 LLVMRustBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Target,
341 LLVMValueRef Old, LLVMValueRef Source,
342 LLVMAtomicOrdering Order,
343 LLVMAtomicOrdering FailureOrder, LLVMBool Weak) {
344 AtomicCmpXchgInst *ACXI = unwrap(B)->CreateAtomicCmpXchg(
345 unwrap(Target), unwrap(Old), unwrap(Source), fromRust(Order),
346 fromRust(FailureOrder));
351 enum class LLVMRustSynchronizationScope {
357 #if LLVM_VERSION_GE(5, 0)
358 static SyncScope::ID fromRust(LLVMRustSynchronizationScope Scope) {
360 case LLVMRustSynchronizationScope::SingleThread:
361 return SyncScope::SingleThread;
362 case LLVMRustSynchronizationScope::CrossThread:
363 return SyncScope::System;
365 report_fatal_error("bad SynchronizationScope.");
369 static SynchronizationScope fromRust(LLVMRustSynchronizationScope Scope) {
371 case LLVMRustSynchronizationScope::SingleThread:
373 case LLVMRustSynchronizationScope::CrossThread:
376 report_fatal_error("bad SynchronizationScope.");
381 extern "C" LLVMValueRef
382 LLVMRustBuildAtomicFence(LLVMBuilderRef B, LLVMAtomicOrdering Order,
383 LLVMRustSynchronizationScope Scope) {
384 return wrap(unwrap(B)->CreateFence(fromRust(Order), fromRust(Scope)));
387 extern "C" void LLVMRustSetDebug(int Enabled) {
393 enum class LLVMRustAsmDialect {
399 static InlineAsm::AsmDialect fromRust(LLVMRustAsmDialect Dialect) {
401 case LLVMRustAsmDialect::Att:
402 return InlineAsm::AD_ATT;
403 case LLVMRustAsmDialect::Intel:
404 return InlineAsm::AD_Intel;
406 report_fatal_error("bad AsmDialect.");
410 extern "C" LLVMValueRef LLVMRustInlineAsm(LLVMTypeRef Ty, char *AsmString,
412 LLVMBool HasSideEffects,
413 LLVMBool IsAlignStack,
414 LLVMRustAsmDialect Dialect) {
415 return wrap(InlineAsm::get(unwrap<FunctionType>(Ty), AsmString, Constraints,
416 HasSideEffects, IsAlignStack, fromRust(Dialect)));
419 extern "C" void LLVMRustAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm) {
420 unwrap(M)->appendModuleInlineAsm(StringRef(Asm));
423 typedef DIBuilder *LLVMRustDIBuilderRef;
425 #if LLVM_VERSION_LT(5, 0)
426 typedef struct LLVMOpaqueMetadata *LLVMMetadataRef;
429 DEFINE_ISA_CONVERSION_FUNCTIONS(Metadata, LLVMMetadataRef)
431 inline Metadata **unwrap(LLVMMetadataRef *Vals) {
432 return reinterpret_cast<Metadata **>(Vals);
437 template <typename DIT> DIT *unwrapDIPtr(LLVMMetadataRef Ref) {
438 return (DIT *)(Ref ? unwrap<MDNode>(Ref) : nullptr);
441 #define DIDescriptor DIScope
442 #define DIArray DINodeArray
443 #define unwrapDI unwrapDIPtr
445 // These values **must** match debuginfo::DIFlags! They also *happen*
446 // to match LLVM, but that isn't required as we do giant sets of
447 // matching below. The value shouldn't be directly passed to LLVM.
448 enum class LLVMRustDIFlags : uint32_t {
453 FlagFwdDecl = (1 << 2),
454 FlagAppleBlock = (1 << 3),
455 FlagBlockByrefStruct = (1 << 4),
456 FlagVirtual = (1 << 5),
457 FlagArtificial = (1 << 6),
458 FlagExplicit = (1 << 7),
459 FlagPrototyped = (1 << 8),
460 FlagObjcClassComplete = (1 << 9),
461 FlagObjectPointer = (1 << 10),
462 FlagVector = (1 << 11),
463 FlagStaticMember = (1 << 12),
464 FlagLValueReference = (1 << 13),
465 FlagRValueReference = (1 << 14),
466 FlagMainSubprogram = (1 << 21),
467 // Do not add values that are not supported by the minimum LLVM
468 // version we support!
471 inline LLVMRustDIFlags operator&(LLVMRustDIFlags A, LLVMRustDIFlags B) {
472 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(A) &
473 static_cast<uint32_t>(B));
476 inline LLVMRustDIFlags operator|(LLVMRustDIFlags A, LLVMRustDIFlags B) {
477 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(A) |
478 static_cast<uint32_t>(B));
481 inline LLVMRustDIFlags &operator|=(LLVMRustDIFlags &A, LLVMRustDIFlags B) {
485 inline bool isSet(LLVMRustDIFlags F) { return F != LLVMRustDIFlags::FlagZero; }
487 inline LLVMRustDIFlags visibility(LLVMRustDIFlags F) {
488 return static_cast<LLVMRustDIFlags>(static_cast<uint32_t>(F) & 0x3);
491 #if LLVM_VERSION_GE(4, 0)
492 static DINode::DIFlags fromRust(LLVMRustDIFlags Flags) {
493 DINode::DIFlags Result = DINode::DIFlags::FlagZero;
495 static unsigned fromRust(LLVMRustDIFlags Flags) {
499 switch (visibility(Flags)) {
500 case LLVMRustDIFlags::FlagPrivate:
501 Result |= DINode::DIFlags::FlagPrivate;
503 case LLVMRustDIFlags::FlagProtected:
504 Result |= DINode::DIFlags::FlagProtected;
506 case LLVMRustDIFlags::FlagPublic:
507 Result |= DINode::DIFlags::FlagPublic;
510 // The rest are handled below
514 if (isSet(Flags & LLVMRustDIFlags::FlagFwdDecl)) {
515 Result |= DINode::DIFlags::FlagFwdDecl;
517 if (isSet(Flags & LLVMRustDIFlags::FlagAppleBlock)) {
518 Result |= DINode::DIFlags::FlagAppleBlock;
520 if (isSet(Flags & LLVMRustDIFlags::FlagBlockByrefStruct)) {
521 Result |= DINode::DIFlags::FlagBlockByrefStruct;
523 if (isSet(Flags & LLVMRustDIFlags::FlagVirtual)) {
524 Result |= DINode::DIFlags::FlagVirtual;
526 if (isSet(Flags & LLVMRustDIFlags::FlagArtificial)) {
527 Result |= DINode::DIFlags::FlagArtificial;
529 if (isSet(Flags & LLVMRustDIFlags::FlagExplicit)) {
530 Result |= DINode::DIFlags::FlagExplicit;
532 if (isSet(Flags & LLVMRustDIFlags::FlagPrototyped)) {
533 Result |= DINode::DIFlags::FlagPrototyped;
535 if (isSet(Flags & LLVMRustDIFlags::FlagObjcClassComplete)) {
536 Result |= DINode::DIFlags::FlagObjcClassComplete;
538 if (isSet(Flags & LLVMRustDIFlags::FlagObjectPointer)) {
539 Result |= DINode::DIFlags::FlagObjectPointer;
541 if (isSet(Flags & LLVMRustDIFlags::FlagVector)) {
542 Result |= DINode::DIFlags::FlagVector;
544 if (isSet(Flags & LLVMRustDIFlags::FlagStaticMember)) {
545 Result |= DINode::DIFlags::FlagStaticMember;
547 if (isSet(Flags & LLVMRustDIFlags::FlagLValueReference)) {
548 Result |= DINode::DIFlags::FlagLValueReference;
550 if (isSet(Flags & LLVMRustDIFlags::FlagRValueReference)) {
551 Result |= DINode::DIFlags::FlagRValueReference;
553 #if LLVM_RUSTLLVM || LLVM_VERSION_GE(4, 0)
554 if (isSet(Flags & LLVMRustDIFlags::FlagMainSubprogram)) {
555 Result |= DINode::DIFlags::FlagMainSubprogram;
562 extern "C" uint32_t LLVMRustDebugMetadataVersion() {
563 return DEBUG_METADATA_VERSION;
566 extern "C" uint32_t LLVMRustVersionMinor() { return LLVM_VERSION_MINOR; }
568 extern "C" uint32_t LLVMRustVersionMajor() { return LLVM_VERSION_MAJOR; }
570 extern "C" void LLVMRustAddModuleFlag(LLVMModuleRef M, const char *Name,
572 unwrap(M)->addModuleFlag(Module::Warning, Name, Value);
575 extern "C" LLVMValueRef LLVMRustMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD) {
576 return wrap(MetadataAsValue::get(*unwrap(C), unwrap(MD)));
579 extern "C" LLVMRustDIBuilderRef LLVMRustDIBuilderCreate(LLVMModuleRef M) {
580 return new DIBuilder(*unwrap(M));
583 extern "C" void LLVMRustDIBuilderDispose(LLVMRustDIBuilderRef Builder) {
587 extern "C" void LLVMRustDIBuilderFinalize(LLVMRustDIBuilderRef Builder) {
591 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateCompileUnit(
592 LLVMRustDIBuilderRef Builder, unsigned Lang, LLVMMetadataRef FileRef,
593 const char *Producer, bool isOptimized, const char *Flags,
594 unsigned RuntimeVer, const char *SplitName) {
595 auto *File = unwrapDI<DIFile>(FileRef);
597 #if LLVM_VERSION_GE(4, 0)
598 return wrap(Builder->createCompileUnit(Lang, File, Producer, isOptimized,
599 Flags, RuntimeVer, SplitName));
601 return wrap(Builder->createCompileUnit(Lang, File->getFilename(),
602 File->getDirectory(), Producer, isOptimized,
603 Flags, RuntimeVer, SplitName));
607 extern "C" LLVMMetadataRef
608 LLVMRustDIBuilderCreateFile(LLVMRustDIBuilderRef Builder, const char *Filename,
609 const char *Directory) {
610 return wrap(Builder->createFile(Filename, Directory));
613 extern "C" LLVMMetadataRef
614 LLVMRustDIBuilderCreateSubroutineType(LLVMRustDIBuilderRef Builder,
615 LLVMMetadataRef File,
616 LLVMMetadataRef ParameterTypes) {
617 return wrap(Builder->createSubroutineType(
618 DITypeRefArray(unwrap<MDTuple>(ParameterTypes))));
621 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateFunction(
622 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
623 const char *LinkageName, LLVMMetadataRef File, unsigned LineNo,
624 LLVMMetadataRef Ty, bool IsLocalToUnit, bool IsDefinition,
625 unsigned ScopeLine, LLVMRustDIFlags Flags, bool IsOptimized,
626 LLVMValueRef Fn, LLVMMetadataRef TParam, LLVMMetadataRef Decl) {
627 DITemplateParameterArray TParams =
628 DITemplateParameterArray(unwrap<MDTuple>(TParam));
629 DISubprogram *Sub = Builder->createFunction(
630 unwrapDI<DIScope>(Scope), Name, LinkageName, unwrapDI<DIFile>(File),
631 LineNo, unwrapDI<DISubroutineType>(Ty), IsLocalToUnit, IsDefinition,
632 ScopeLine, fromRust(Flags), IsOptimized, TParams,
633 unwrapDIPtr<DISubprogram>(Decl));
634 unwrap<Function>(Fn)->setSubprogram(Sub);
638 extern "C" LLVMMetadataRef
639 LLVMRustDIBuilderCreateBasicType(LLVMRustDIBuilderRef Builder, const char *Name,
640 uint64_t SizeInBits, uint32_t AlignInBits,
642 return wrap(Builder->createBasicType(Name, SizeInBits,
643 #if LLVM_VERSION_LE(3, 9)
649 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreatePointerType(
650 LLVMRustDIBuilderRef Builder, LLVMMetadataRef PointeeTy,
651 uint64_t SizeInBits, uint32_t AlignInBits, const char *Name) {
652 return wrap(Builder->createPointerType(unwrapDI<DIType>(PointeeTy),
653 SizeInBits, AlignInBits,
654 #if LLVM_VERSION_GE(5, 0)
655 /* DWARFAddressSpace */ None,
660 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStructType(
661 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
662 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
663 uint32_t AlignInBits, LLVMRustDIFlags Flags,
664 LLVMMetadataRef DerivedFrom, LLVMMetadataRef Elements,
665 unsigned RunTimeLang, LLVMMetadataRef VTableHolder,
666 const char *UniqueId) {
667 return wrap(Builder->createStructType(
668 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIFile>(File), LineNumber,
669 SizeInBits, AlignInBits, fromRust(Flags), unwrapDI<DIType>(DerivedFrom),
670 DINodeArray(unwrapDI<MDTuple>(Elements)), RunTimeLang,
671 unwrapDI<DIType>(VTableHolder), UniqueId));
674 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateMemberType(
675 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
676 LLVMMetadataRef File, unsigned LineNo, uint64_t SizeInBits,
677 uint32_t AlignInBits, uint64_t OffsetInBits, LLVMRustDIFlags Flags,
678 LLVMMetadataRef Ty) {
679 return wrap(Builder->createMemberType(unwrapDI<DIDescriptor>(Scope), Name,
680 unwrapDI<DIFile>(File), LineNo,
681 SizeInBits, AlignInBits, OffsetInBits,
682 fromRust(Flags), unwrapDI<DIType>(Ty)));
685 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateLexicalBlock(
686 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope,
687 LLVMMetadataRef File, unsigned Line, unsigned Col) {
688 return wrap(Builder->createLexicalBlock(unwrapDI<DIDescriptor>(Scope),
689 unwrapDI<DIFile>(File), Line, Col));
692 extern "C" LLVMMetadataRef
693 LLVMRustDIBuilderCreateLexicalBlockFile(LLVMRustDIBuilderRef Builder,
694 LLVMMetadataRef Scope,
695 LLVMMetadataRef File) {
696 return wrap(Builder->createLexicalBlockFile(unwrapDI<DIDescriptor>(Scope),
697 unwrapDI<DIFile>(File)));
700 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable(
701 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Context, const char *Name,
702 const char *LinkageName, LLVMMetadataRef File, unsigned LineNo,
703 LLVMMetadataRef Ty, bool IsLocalToUnit, LLVMValueRef V,
704 LLVMMetadataRef Decl = nullptr, uint32_t AlignInBits = 0) {
705 llvm::GlobalVariable *InitVal = cast<llvm::GlobalVariable>(unwrap(V));
707 #if LLVM_VERSION_GE(4, 0)
708 llvm::DIExpression *InitExpr = nullptr;
709 if (llvm::ConstantInt *IntVal = llvm::dyn_cast<llvm::ConstantInt>(InitVal)) {
710 InitExpr = Builder->createConstantValueExpression(
711 IntVal->getValue().getSExtValue());
712 } else if (llvm::ConstantFP *FPVal =
713 llvm::dyn_cast<llvm::ConstantFP>(InitVal)) {
714 InitExpr = Builder->createConstantValueExpression(
715 FPVal->getValueAPF().bitcastToAPInt().getZExtValue());
718 llvm::DIGlobalVariableExpression *VarExpr = Builder->createGlobalVariableExpression(
719 unwrapDI<DIDescriptor>(Context), Name, LinkageName,
720 unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
721 InitExpr, unwrapDIPtr<MDNode>(Decl), AlignInBits);
723 InitVal->setMetadata("dbg", VarExpr);
725 return wrap(VarExpr);
727 return wrap(Builder->createGlobalVariable(
728 unwrapDI<DIDescriptor>(Context), Name, LinkageName,
729 unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
730 InitVal, unwrapDIPtr<MDNode>(Decl)));
734 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariable(
735 LLVMRustDIBuilderRef Builder, unsigned Tag, LLVMMetadataRef Scope,
736 const char *Name, LLVMMetadataRef File, unsigned LineNo,
737 LLVMMetadataRef Ty, bool AlwaysPreserve, LLVMRustDIFlags Flags,
738 unsigned ArgNo, uint32_t AlignInBits) {
739 if (Tag == 0x100) { // DW_TAG_auto_variable
740 return wrap(Builder->createAutoVariable(
741 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIFile>(File), LineNo,
742 unwrapDI<DIType>(Ty), AlwaysPreserve, fromRust(Flags)
743 #if LLVM_VERSION_GE(4, 0)
749 return wrap(Builder->createParameterVariable(
750 unwrapDI<DIDescriptor>(Scope), Name, ArgNo, unwrapDI<DIFile>(File),
751 LineNo, unwrapDI<DIType>(Ty), AlwaysPreserve, fromRust(Flags)));
755 extern "C" LLVMMetadataRef
756 LLVMRustDIBuilderCreateArrayType(LLVMRustDIBuilderRef Builder, uint64_t Size,
757 uint32_t AlignInBits, LLVMMetadataRef Ty,
758 LLVMMetadataRef Subscripts) {
760 Builder->createArrayType(Size, AlignInBits, unwrapDI<DIType>(Ty),
761 DINodeArray(unwrapDI<MDTuple>(Subscripts))));
764 extern "C" LLVMMetadataRef
765 LLVMRustDIBuilderCreateVectorType(LLVMRustDIBuilderRef Builder, uint64_t Size,
766 uint32_t AlignInBits, LLVMMetadataRef Ty,
767 LLVMMetadataRef Subscripts) {
769 Builder->createVectorType(Size, AlignInBits, unwrapDI<DIType>(Ty),
770 DINodeArray(unwrapDI<MDTuple>(Subscripts))));
773 extern "C" LLVMMetadataRef
774 LLVMRustDIBuilderGetOrCreateSubrange(LLVMRustDIBuilderRef Builder, int64_t Lo,
776 return wrap(Builder->getOrCreateSubrange(Lo, Count));
779 extern "C" LLVMMetadataRef
780 LLVMRustDIBuilderGetOrCreateArray(LLVMRustDIBuilderRef Builder,
781 LLVMMetadataRef *Ptr, unsigned Count) {
782 Metadata **DataValue = unwrap(Ptr);
784 Builder->getOrCreateArray(ArrayRef<Metadata *>(DataValue, Count)).get());
787 extern "C" LLVMValueRef LLVMRustDIBuilderInsertDeclareAtEnd(
788 LLVMRustDIBuilderRef Builder, LLVMValueRef V, LLVMMetadataRef VarInfo,
789 int64_t *AddrOps, unsigned AddrOpsCount, LLVMValueRef DL,
790 LLVMBasicBlockRef InsertAtEnd) {
791 return wrap(Builder->insertDeclare(
792 unwrap(V), unwrap<DILocalVariable>(VarInfo),
793 Builder->createExpression(llvm::ArrayRef<int64_t>(AddrOps, AddrOpsCount)),
794 DebugLoc(cast<MDNode>(unwrap<MetadataAsValue>(DL)->getMetadata())),
795 unwrap(InsertAtEnd)));
798 extern "C" LLVMMetadataRef
799 LLVMRustDIBuilderCreateEnumerator(LLVMRustDIBuilderRef Builder,
800 const char *Name, uint64_t Val) {
801 return wrap(Builder->createEnumerator(Name, Val));
804 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerationType(
805 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
806 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
807 uint32_t AlignInBits, LLVMMetadataRef Elements,
808 LLVMMetadataRef ClassTy) {
809 return wrap(Builder->createEnumerationType(
810 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIFile>(File), LineNumber,
811 SizeInBits, AlignInBits, DINodeArray(unwrapDI<MDTuple>(Elements)),
812 unwrapDI<DIType>(ClassTy)));
815 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateUnionType(
816 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
817 LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
818 uint32_t AlignInBits, LLVMRustDIFlags Flags, LLVMMetadataRef Elements,
819 unsigned RunTimeLang, const char *UniqueId) {
820 return wrap(Builder->createUnionType(
821 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIFile>(File), LineNumber,
822 SizeInBits, AlignInBits, fromRust(Flags),
823 DINodeArray(unwrapDI<MDTuple>(Elements)), RunTimeLang, UniqueId));
826 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateTemplateTypeParameter(
827 LLVMRustDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
828 LLVMMetadataRef Ty, LLVMMetadataRef File, unsigned LineNo,
830 return wrap(Builder->createTemplateTypeParameter(
831 unwrapDI<DIDescriptor>(Scope), Name, unwrapDI<DIType>(Ty)));
834 extern "C" LLVMMetadataRef
835 LLVMRustDIBuilderCreateNameSpace(LLVMRustDIBuilderRef Builder,
836 LLVMMetadataRef Scope, const char *Name,
837 LLVMMetadataRef File, unsigned LineNo) {
838 return wrap(Builder->createNameSpace(
839 unwrapDI<DIDescriptor>(Scope), Name
840 #if LLVM_VERSION_LT(5, 0)
842 unwrapDI<DIFile>(File), LineNo
844 #if LLVM_VERSION_GE(4, 0)
846 false // ExportSymbols (only relevant for C++ anonymous namespaces)
852 LLVMRustDICompositeTypeSetTypeArray(LLVMRustDIBuilderRef Builder,
853 LLVMMetadataRef CompositeTy,
854 LLVMMetadataRef TyArray) {
855 DICompositeType *Tmp = unwrapDI<DICompositeType>(CompositeTy);
856 Builder->replaceArrays(Tmp, DINodeArray(unwrap<MDTuple>(TyArray)));
859 extern "C" LLVMValueRef
860 LLVMRustDIBuilderCreateDebugLocation(LLVMContextRef ContextRef, unsigned Line,
861 unsigned Column, LLVMMetadataRef Scope,
862 LLVMMetadataRef InlinedAt) {
863 LLVMContext &Context = *unwrap(ContextRef);
865 DebugLoc debug_loc = DebugLoc::get(Line, Column, unwrapDIPtr<MDNode>(Scope),
866 unwrapDIPtr<MDNode>(InlinedAt));
868 return wrap(MetadataAsValue::get(Context, debug_loc.getAsMDNode()));
871 extern "C" int64_t LLVMRustDIBuilderCreateOpDeref() {
872 return dwarf::DW_OP_deref;
875 extern "C" int64_t LLVMRustDIBuilderCreateOpPlus() { return dwarf::DW_OP_plus; }
877 extern "C" void LLVMRustWriteTypeToString(LLVMTypeRef Ty, RustStringRef Str) {
878 RawRustStringOstream OS(Str);
879 unwrap<llvm::Type>(Ty)->print(OS);
882 extern "C" void LLVMRustWriteValueToString(LLVMValueRef V,
884 RawRustStringOstream OS(Str);
889 unwrap<llvm::Value>(V)->getType()->print(OS);
891 unwrap<llvm::Value>(V)->print(OS);
896 extern "C" bool LLVMRustLinkInExternalBitcode(LLVMModuleRef DstRef, char *BC,
898 Module *Dst = unwrap(DstRef);
900 std::unique_ptr<MemoryBuffer> Buf =
901 MemoryBuffer::getMemBufferCopy(StringRef(BC, Len));
903 #if LLVM_VERSION_GE(4, 0)
904 Expected<std::unique_ptr<Module>> SrcOrError =
905 llvm::getLazyBitcodeModule(Buf->getMemBufferRef(), Dst->getContext());
907 LLVMRustSetLastError(toString(SrcOrError.takeError()).c_str());
911 auto Src = std::move(*SrcOrError);
913 ErrorOr<std::unique_ptr<Module>> Src =
914 llvm::getLazyBitcodeModule(std::move(Buf), Dst->getContext());
916 LLVMRustSetLastError(Src.getError().message().c_str());
923 raw_string_ostream Stream(Err);
924 DiagnosticPrinterRawOStream DP(Stream);
925 #if LLVM_VERSION_GE(4, 0)
926 if (Linker::linkModules(*Dst, std::move(Src))) {
928 if (Linker::linkModules(*Dst, std::move(Src.get()))) {
930 LLVMRustSetLastError(Err.c_str());
936 extern "C" bool LLVMRustLinkInParsedExternalBitcode(
937 LLVMModuleRef DstRef, LLVMModuleRef SrcRef) {
938 #if LLVM_VERSION_GE(4, 0)
939 Module *Dst = unwrap(DstRef);
940 std::unique_ptr<Module> Src(unwrap(SrcRef));
942 if (Linker::linkModules(*Dst, std::move(Src))) {
943 LLVMRustSetLastError("failed to link modules");
948 LLVMRustSetLastError("can't link parsed modules on this LLVM");
953 // Note that the two following functions look quite similar to the
954 // LLVMGetSectionName function. Sadly, it appears that this function only
955 // returns a char* pointer, which isn't guaranteed to be null-terminated. The
956 // function provided by LLVM doesn't return the length, so we've created our own
957 // function which returns the length as well as the data pointer.
959 // For an example of this not returning a null terminated string, see
960 // lib/Object/COFFObjectFile.cpp in the getSectionName function. One of the
961 // branches explicitly creates a StringRef without a null terminator, and then
964 inline section_iterator *unwrap(LLVMSectionIteratorRef SI) {
965 return reinterpret_cast<section_iterator *>(SI);
968 extern "C" size_t LLVMRustGetSectionName(LLVMSectionIteratorRef SI,
971 if (std::error_code EC = (*unwrap(SI))->getName(Ret))
972 report_fatal_error(EC.message());
977 // LLVMArrayType function does not support 64-bit ElementCount
978 extern "C" LLVMTypeRef LLVMRustArrayType(LLVMTypeRef ElementTy,
979 uint64_t ElementCount) {
980 return wrap(ArrayType::get(unwrap(ElementTy), ElementCount));
983 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Twine, LLVMTwineRef)
984 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(DebugLoc, LLVMDebugLocRef)
986 extern "C" void LLVMRustWriteTwineToString(LLVMTwineRef T, RustStringRef Str) {
987 RawRustStringOstream OS(Str);
988 unwrap(T)->print(OS);
991 extern "C" void LLVMRustUnpackOptimizationDiagnostic(
992 LLVMDiagnosticInfoRef DI, RustStringRef PassNameOut,
993 LLVMValueRef *FunctionOut, unsigned* Line, unsigned* Column,
994 RustStringRef FilenameOut, RustStringRef MessageOut) {
995 // Undefined to call this not on an optimization diagnostic!
996 llvm::DiagnosticInfoOptimizationBase *Opt =
997 static_cast<llvm::DiagnosticInfoOptimizationBase *>(unwrap(DI));
999 RawRustStringOstream PassNameOS(PassNameOut);
1000 PassNameOS << Opt->getPassName();
1001 *FunctionOut = wrap(&Opt->getFunction());
1003 RawRustStringOstream FilenameOS(FilenameOut);
1004 #if LLVM_VERSION_GE(5,0)
1005 DiagnosticLocation loc = Opt->getLocation();
1006 if (loc.isValid()) {
1007 *Line = loc.getLine();
1008 *Column = loc.getColumn();
1009 FilenameOS << loc.getFilename();
1012 const DebugLoc &loc = Opt->getDebugLoc();
1014 *Line = loc.getLine();
1015 *Column = loc.getCol();
1016 FilenameOS << cast<DIScope>(loc.getScope())->getFilename();
1020 RawRustStringOstream MessageOS(MessageOut);
1021 MessageOS << Opt->getMsg();
1025 LLVMRustUnpackInlineAsmDiagnostic(LLVMDiagnosticInfoRef DI, unsigned *CookieOut,
1026 LLVMTwineRef *MessageOut,
1027 LLVMValueRef *InstructionOut) {
1028 // Undefined to call this not on an inline assembly diagnostic!
1029 llvm::DiagnosticInfoInlineAsm *IA =
1030 static_cast<llvm::DiagnosticInfoInlineAsm *>(unwrap(DI));
1032 *CookieOut = IA->getLocCookie();
1033 *MessageOut = wrap(&IA->getMsgStr());
1034 *InstructionOut = wrap(IA->getInstruction());
1037 extern "C" void LLVMRustWriteDiagnosticInfoToString(LLVMDiagnosticInfoRef DI,
1038 RustStringRef Str) {
1039 RawRustStringOstream OS(Str);
1040 DiagnosticPrinterRawOStream DP(OS);
1041 unwrap(DI)->print(DP);
1044 enum class LLVMRustDiagnosticKind {
1048 DebugMetadataVersion,
1051 OptimizationRemarkMissed,
1052 OptimizationRemarkAnalysis,
1053 OptimizationRemarkAnalysisFPCommute,
1054 OptimizationRemarkAnalysisAliasing,
1055 OptimizationRemarkOther,
1056 OptimizationFailure,
1059 static LLVMRustDiagnosticKind toRust(DiagnosticKind Kind) {
1062 return LLVMRustDiagnosticKind::InlineAsm;
1064 return LLVMRustDiagnosticKind::StackSize;
1065 case DK_DebugMetadataVersion:
1066 return LLVMRustDiagnosticKind::DebugMetadataVersion;
1067 case DK_SampleProfile:
1068 return LLVMRustDiagnosticKind::SampleProfile;
1069 case DK_OptimizationRemark:
1070 return LLVMRustDiagnosticKind::OptimizationRemark;
1071 case DK_OptimizationRemarkMissed:
1072 return LLVMRustDiagnosticKind::OptimizationRemarkMissed;
1073 case DK_OptimizationRemarkAnalysis:
1074 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysis;
1075 case DK_OptimizationRemarkAnalysisFPCommute:
1076 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysisFPCommute;
1077 case DK_OptimizationRemarkAnalysisAliasing:
1078 return LLVMRustDiagnosticKind::OptimizationRemarkAnalysisAliasing;
1080 return (Kind >= DK_FirstRemark && Kind <= DK_LastRemark)
1081 ? LLVMRustDiagnosticKind::OptimizationRemarkOther
1082 : LLVMRustDiagnosticKind::Other;
1086 extern "C" LLVMRustDiagnosticKind
1087 LLVMRustGetDiagInfoKind(LLVMDiagnosticInfoRef DI) {
1088 return toRust((DiagnosticKind)unwrap(DI)->getKind());
1090 // This is kept distinct from LLVMGetTypeKind, because when
1091 // a new type kind is added, the Rust-side enum must be
1092 // updated or UB will result.
1093 extern "C" LLVMTypeKind LLVMRustGetTypeKind(LLVMTypeRef Ty) {
1094 switch (unwrap(Ty)->getTypeID()) {
1095 case Type::VoidTyID:
1096 return LLVMVoidTypeKind;
1097 case Type::HalfTyID:
1098 return LLVMHalfTypeKind;
1099 case Type::FloatTyID:
1100 return LLVMFloatTypeKind;
1101 case Type::DoubleTyID:
1102 return LLVMDoubleTypeKind;
1103 case Type::X86_FP80TyID:
1104 return LLVMX86_FP80TypeKind;
1105 case Type::FP128TyID:
1106 return LLVMFP128TypeKind;
1107 case Type::PPC_FP128TyID:
1108 return LLVMPPC_FP128TypeKind;
1109 case Type::LabelTyID:
1110 return LLVMLabelTypeKind;
1111 case Type::MetadataTyID:
1112 return LLVMMetadataTypeKind;
1113 case Type::IntegerTyID:
1114 return LLVMIntegerTypeKind;
1115 case Type::FunctionTyID:
1116 return LLVMFunctionTypeKind;
1117 case Type::StructTyID:
1118 return LLVMStructTypeKind;
1119 case Type::ArrayTyID:
1120 return LLVMArrayTypeKind;
1121 case Type::PointerTyID:
1122 return LLVMPointerTypeKind;
1123 case Type::VectorTyID:
1124 return LLVMVectorTypeKind;
1125 case Type::X86_MMXTyID:
1126 return LLVMX86_MMXTypeKind;
1127 case Type::TokenTyID:
1128 return LLVMTokenTypeKind;
1130 report_fatal_error("Unhandled TypeID.");
1133 extern "C" void LLVMRustWriteDebugLocToString(LLVMContextRef C,
1135 RustStringRef Str) {
1136 RawRustStringOstream OS(Str);
1137 unwrap(DL)->print(OS);
1140 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(SMDiagnostic, LLVMSMDiagnosticRef)
1142 extern "C" void LLVMRustSetInlineAsmDiagnosticHandler(
1143 LLVMContextRef C, LLVMContext::InlineAsmDiagHandlerTy H, void *CX) {
1144 unwrap(C)->setInlineAsmDiagnosticHandler(H, CX);
1147 extern "C" void LLVMRustWriteSMDiagnosticToString(LLVMSMDiagnosticRef D,
1148 RustStringRef Str) {
1149 RawRustStringOstream OS(Str);
1150 unwrap(D)->print("", OS);
1153 extern "C" LLVMValueRef LLVMRustBuildCleanupPad(LLVMBuilderRef B,
1154 LLVMValueRef ParentPad,
1156 LLVMValueRef *LLArgs,
1158 Value **Args = unwrap(LLArgs);
1159 if (ParentPad == nullptr) {
1160 Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
1161 ParentPad = wrap(Constant::getNullValue(Ty));
1163 return wrap(unwrap(B)->CreateCleanupPad(
1164 unwrap(ParentPad), ArrayRef<Value *>(Args, ArgCount), Name));
1167 extern "C" LLVMValueRef LLVMRustBuildCleanupRet(LLVMBuilderRef B,
1168 LLVMValueRef CleanupPad,
1169 LLVMBasicBlockRef UnwindBB) {
1170 CleanupPadInst *Inst = cast<CleanupPadInst>(unwrap(CleanupPad));
1171 return wrap(unwrap(B)->CreateCleanupRet(Inst, unwrap(UnwindBB)));
1174 extern "C" LLVMValueRef
1175 LLVMRustBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
1176 unsigned ArgCount, LLVMValueRef *LLArgs, const char *Name) {
1177 Value **Args = unwrap(LLArgs);
1178 return wrap(unwrap(B)->CreateCatchPad(
1179 unwrap(ParentPad), ArrayRef<Value *>(Args, ArgCount), Name));
1182 extern "C" LLVMValueRef LLVMRustBuildCatchRet(LLVMBuilderRef B,
1184 LLVMBasicBlockRef BB) {
1185 return wrap(unwrap(B)->CreateCatchRet(cast<CatchPadInst>(unwrap(Pad)),
1189 extern "C" LLVMValueRef LLVMRustBuildCatchSwitch(LLVMBuilderRef B,
1190 LLVMValueRef ParentPad,
1191 LLVMBasicBlockRef BB,
1192 unsigned NumHandlers,
1194 if (ParentPad == nullptr) {
1195 Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
1196 ParentPad = wrap(Constant::getNullValue(Ty));
1198 return wrap(unwrap(B)->CreateCatchSwitch(unwrap(ParentPad), unwrap(BB),
1199 NumHandlers, Name));
1202 extern "C" void LLVMRustAddHandler(LLVMValueRef CatchSwitchRef,
1203 LLVMBasicBlockRef Handler) {
1204 Value *CatchSwitch = unwrap(CatchSwitchRef);
1205 cast<CatchSwitchInst>(CatchSwitch)->addHandler(unwrap(Handler));
1208 extern "C" OperandBundleDef *LLVMRustBuildOperandBundleDef(const char *Name,
1209 LLVMValueRef *Inputs,
1210 unsigned NumInputs) {
1211 return new OperandBundleDef(Name, makeArrayRef(unwrap(Inputs), NumInputs));
1214 extern "C" void LLVMRustFreeOperandBundleDef(OperandBundleDef *Bundle) {
1218 extern "C" LLVMValueRef LLVMRustBuildCall(LLVMBuilderRef B, LLVMValueRef Fn,
1219 LLVMValueRef *Args, unsigned NumArgs,
1220 OperandBundleDef *Bundle,
1222 unsigned Len = Bundle ? 1 : 0;
1223 ArrayRef<OperandBundleDef> Bundles = makeArrayRef(Bundle, Len);
1224 return wrap(unwrap(B)->CreateCall(
1225 unwrap(Fn), makeArrayRef(unwrap(Args), NumArgs), Bundles, Name));
1228 extern "C" LLVMValueRef
1229 LLVMRustBuildInvoke(LLVMBuilderRef B, LLVMValueRef Fn, LLVMValueRef *Args,
1230 unsigned NumArgs, LLVMBasicBlockRef Then,
1231 LLVMBasicBlockRef Catch, OperandBundleDef *Bundle,
1233 unsigned Len = Bundle ? 1 : 0;
1234 ArrayRef<OperandBundleDef> Bundles = makeArrayRef(Bundle, Len);
1235 return wrap(unwrap(B)->CreateInvoke(unwrap(Fn), unwrap(Then), unwrap(Catch),
1236 makeArrayRef(unwrap(Args), NumArgs),
1240 extern "C" void LLVMRustPositionBuilderAtStart(LLVMBuilderRef B,
1241 LLVMBasicBlockRef BB) {
1242 auto Point = unwrap(BB)->getFirstInsertionPt();
1243 unwrap(B)->SetInsertPoint(unwrap(BB), Point);
1246 extern "C" void LLVMRustSetComdat(LLVMModuleRef M, LLVMValueRef V,
1248 Triple TargetTriple(unwrap(M)->getTargetTriple());
1249 GlobalObject *GV = unwrap<GlobalObject>(V);
1250 if (!TargetTriple.isOSBinFormatMachO()) {
1251 GV->setComdat(unwrap(M)->getOrInsertComdat(Name));
1255 extern "C" void LLVMRustUnsetComdat(LLVMValueRef V) {
1256 GlobalObject *GV = unwrap<GlobalObject>(V);
1257 GV->setComdat(nullptr);
1260 enum class LLVMRustLinkage {
1261 ExternalLinkage = 0,
1262 AvailableExternallyLinkage = 1,
1263 LinkOnceAnyLinkage = 2,
1264 LinkOnceODRLinkage = 3,
1267 AppendingLinkage = 6,
1268 InternalLinkage = 7,
1270 ExternalWeakLinkage = 9,
1274 static LLVMRustLinkage toRust(LLVMLinkage Linkage) {
1276 case LLVMExternalLinkage:
1277 return LLVMRustLinkage::ExternalLinkage;
1278 case LLVMAvailableExternallyLinkage:
1279 return LLVMRustLinkage::AvailableExternallyLinkage;
1280 case LLVMLinkOnceAnyLinkage:
1281 return LLVMRustLinkage::LinkOnceAnyLinkage;
1282 case LLVMLinkOnceODRLinkage:
1283 return LLVMRustLinkage::LinkOnceODRLinkage;
1284 case LLVMWeakAnyLinkage:
1285 return LLVMRustLinkage::WeakAnyLinkage;
1286 case LLVMWeakODRLinkage:
1287 return LLVMRustLinkage::WeakODRLinkage;
1288 case LLVMAppendingLinkage:
1289 return LLVMRustLinkage::AppendingLinkage;
1290 case LLVMInternalLinkage:
1291 return LLVMRustLinkage::InternalLinkage;
1292 case LLVMPrivateLinkage:
1293 return LLVMRustLinkage::PrivateLinkage;
1294 case LLVMExternalWeakLinkage:
1295 return LLVMRustLinkage::ExternalWeakLinkage;
1296 case LLVMCommonLinkage:
1297 return LLVMRustLinkage::CommonLinkage;
1299 report_fatal_error("Invalid LLVMRustLinkage value!");
1303 static LLVMLinkage fromRust(LLVMRustLinkage Linkage) {
1305 case LLVMRustLinkage::ExternalLinkage:
1306 return LLVMExternalLinkage;
1307 case LLVMRustLinkage::AvailableExternallyLinkage:
1308 return LLVMAvailableExternallyLinkage;
1309 case LLVMRustLinkage::LinkOnceAnyLinkage:
1310 return LLVMLinkOnceAnyLinkage;
1311 case LLVMRustLinkage::LinkOnceODRLinkage:
1312 return LLVMLinkOnceODRLinkage;
1313 case LLVMRustLinkage::WeakAnyLinkage:
1314 return LLVMWeakAnyLinkage;
1315 case LLVMRustLinkage::WeakODRLinkage:
1316 return LLVMWeakODRLinkage;
1317 case LLVMRustLinkage::AppendingLinkage:
1318 return LLVMAppendingLinkage;
1319 case LLVMRustLinkage::InternalLinkage:
1320 return LLVMInternalLinkage;
1321 case LLVMRustLinkage::PrivateLinkage:
1322 return LLVMPrivateLinkage;
1323 case LLVMRustLinkage::ExternalWeakLinkage:
1324 return LLVMExternalWeakLinkage;
1325 case LLVMRustLinkage::CommonLinkage:
1326 return LLVMCommonLinkage;
1328 report_fatal_error("Invalid LLVMRustLinkage value!");
1331 extern "C" LLVMRustLinkage LLVMRustGetLinkage(LLVMValueRef V) {
1332 return toRust(LLVMGetLinkage(V));
1335 extern "C" void LLVMRustSetLinkage(LLVMValueRef V,
1336 LLVMRustLinkage RustLinkage) {
1337 LLVMSetLinkage(V, fromRust(RustLinkage));
1340 // Returns true if both high and low were successfully set. Fails in case constant wasn’t any of
1341 // the common sizes (1, 8, 16, 32, 64, 128 bits)
1342 extern "C" bool LLVMRustConstInt128Get(LLVMValueRef CV, bool sext, uint64_t *high, uint64_t *low)
1344 auto C = unwrap<llvm::ConstantInt>(CV);
1345 if (C->getBitWidth() > 128) { return false; }
1348 AP = C->getValue().sextOrSelf(128);
1350 AP = C->getValue().zextOrSelf(128);
1352 *low = AP.getLoBits(64).getZExtValue();
1353 *high = AP.getHiBits(64).getZExtValue();
1357 enum class LLVMRustVisibility {
1363 static LLVMRustVisibility toRust(LLVMVisibility Vis) {
1365 case LLVMDefaultVisibility:
1366 return LLVMRustVisibility::Default;
1367 case LLVMHiddenVisibility:
1368 return LLVMRustVisibility::Hidden;
1369 case LLVMProtectedVisibility:
1370 return LLVMRustVisibility::Protected;
1372 report_fatal_error("Invalid LLVMRustVisibility value!");
1375 static LLVMVisibility fromRust(LLVMRustVisibility Vis) {
1377 case LLVMRustVisibility::Default:
1378 return LLVMDefaultVisibility;
1379 case LLVMRustVisibility::Hidden:
1380 return LLVMHiddenVisibility;
1381 case LLVMRustVisibility::Protected:
1382 return LLVMProtectedVisibility;
1384 report_fatal_error("Invalid LLVMRustVisibility value!");
1387 extern "C" LLVMRustVisibility LLVMRustGetVisibility(LLVMValueRef V) {
1388 return toRust(LLVMGetVisibility(V));
1391 // Oh hey, a binding that makes sense for once? (because LLVM’s own do not)
1392 extern "C" LLVMValueRef LLVMRustBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
1393 LLVMTypeRef DestTy, bool isSigned) {
1394 return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy), isSigned, ""));
1397 extern "C" void LLVMRustSetVisibility(LLVMValueRef V,
1398 LLVMRustVisibility RustVisibility) {
1399 LLVMSetVisibility(V, fromRust(RustVisibility));
1402 struct LLVMRustModuleBuffer {
1406 extern "C" LLVMRustModuleBuffer*
1407 LLVMRustModuleBufferCreate(LLVMModuleRef M) {
1408 auto Ret = llvm::make_unique<LLVMRustModuleBuffer>();
1410 raw_string_ostream OS(Ret->data);
1412 legacy::PassManager PM;
1413 PM.add(createBitcodeWriterPass(OS));
1417 return Ret.release();
1421 LLVMRustModuleBufferFree(LLVMRustModuleBuffer *Buffer) {
1425 extern "C" const void*
1426 LLVMRustModuleBufferPtr(const LLVMRustModuleBuffer *Buffer) {
1427 return Buffer->data.data();
1431 LLVMRustModuleBufferLen(const LLVMRustModuleBuffer *Buffer) {
1432 return Buffer->data.length();
1436 LLVMRustModuleCost(LLVMModuleRef M) {
1437 auto f = unwrap(M)->functions();
1438 return std::distance(std::begin(f), std::end(f));