diff options
Diffstat (limited to 'compiler/rustc_llvm')
| -rw-r--r-- | compiler/rustc_llvm/build.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp | 208 | ||||
| -rw-r--r-- | compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp | 88 |
3 files changed, 8 insertions, 289 deletions
diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs index 1394edcee6b..d01f79dcade 100644 --- a/compiler/rustc_llvm/build.rs +++ b/compiler/rustc_llvm/build.rs @@ -226,7 +226,6 @@ fn main() { rerun_if_changed_anything_in_dir(Path::new("llvm-wrapper")); cfg.file("llvm-wrapper/PassWrapper.cpp") .file("llvm-wrapper/RustWrapper.cpp") - .file("llvm-wrapper/ArchiveWrapper.cpp") .file("llvm-wrapper/CoverageMappingWrapper.cpp") .file("llvm-wrapper/SymbolWrapper.cpp") .file("llvm-wrapper/Linker.cpp") diff --git a/compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp deleted file mode 100644 index feac6a5649c..00000000000 --- a/compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp +++ /dev/null @@ -1,208 +0,0 @@ -#include "LLVMWrapper.h" - -#include "llvm/Object/Archive.h" -#include "llvm/Object/ArchiveWriter.h" -#include "llvm/Support/Path.h" - -using namespace llvm; -using namespace llvm::object; - -struct RustArchiveMember { - const char *Filename; - const char *Name; - Archive::Child Child; - - RustArchiveMember() - : Filename(nullptr), Name(nullptr), Child(nullptr, nullptr, nullptr) {} - ~RustArchiveMember() {} -}; - -struct RustArchiveIterator { - bool First; - Archive::child_iterator Cur; - Archive::child_iterator End; - std::unique_ptr<Error> Err; - - RustArchiveIterator(Archive::child_iterator Cur, Archive::child_iterator End, - std::unique_ptr<Error> Err) - : First(true), Cur(Cur), End(End), Err(std::move(Err)) {} -}; - -enum class LLVMRustArchiveKind { - GNU, - BSD, - DARWIN, - COFF, - AIX_BIG, -}; - -static Archive::Kind fromRust(LLVMRustArchiveKind Kind) { - switch (Kind) { - case LLVMRustArchiveKind::GNU: - return Archive::K_GNU; - case LLVMRustArchiveKind::BSD: - return Archive::K_BSD; - case LLVMRustArchiveKind::DARWIN: - return Archive::K_DARWIN; - case LLVMRustArchiveKind::COFF: - return Archive::K_COFF; - case LLVMRustArchiveKind::AIX_BIG: - return Archive::K_AIXBIG; - default: - report_fatal_error("Bad ArchiveKind."); - } -} - -typedef OwningBinary<Archive> *LLVMRustArchiveRef; -typedef RustArchiveMember *LLVMRustArchiveMemberRef; -typedef Archive::Child *LLVMRustArchiveChildRef; -typedef Archive::Child const *LLVMRustArchiveChildConstRef; -typedef RustArchiveIterator *LLVMRustArchiveIteratorRef; - -extern "C" LLVMRustArchiveRef LLVMRustOpenArchive(char *Path) { - ErrorOr<std::unique_ptr<MemoryBuffer>> BufOr = MemoryBuffer::getFile( - Path, /*IsText*/ false, /*RequiresNullTerminator=*/false); - if (!BufOr) { - LLVMRustSetLastError(BufOr.getError().message().c_str()); - return nullptr; - } - - Expected<std::unique_ptr<Archive>> ArchiveOr = - Archive::create(BufOr.get()->getMemBufferRef()); - - if (!ArchiveOr) { - LLVMRustSetLastError(toString(ArchiveOr.takeError()).c_str()); - return nullptr; - } - - OwningBinary<Archive> *Ret = new OwningBinary<Archive>( - std::move(ArchiveOr.get()), std::move(BufOr.get())); - - return Ret; -} - -extern "C" void LLVMRustDestroyArchive(LLVMRustArchiveRef RustArchive) { - delete RustArchive; -} - -extern "C" LLVMRustArchiveIteratorRef -LLVMRustArchiveIteratorNew(LLVMRustArchiveRef RustArchive) { - Archive *Archive = RustArchive->getBinary(); - std::unique_ptr<Error> Err = std::make_unique<Error>(Error::success()); - auto Cur = Archive->child_begin(*Err); - if (*Err) { - LLVMRustSetLastError(toString(std::move(*Err)).c_str()); - return nullptr; - } - auto End = Archive->child_end(); - return new RustArchiveIterator(Cur, End, std::move(Err)); -} - -extern "C" LLVMRustArchiveChildConstRef -LLVMRustArchiveIteratorNext(LLVMRustArchiveIteratorRef RAI) { - if (RAI->Cur == RAI->End) - return nullptr; - - // Advancing the iterator validates the next child, and this can - // uncover an error. LLVM requires that we check all Errors, - // so we only advance the iterator if we actually need to fetch - // the next child. - // This means we must not advance the iterator in the *first* call, - // but instead advance it *before* fetching the child in all later calls. - if (!RAI->First) { - ++RAI->Cur; - if (*RAI->Err) { - LLVMRustSetLastError(toString(std::move(*RAI->Err)).c_str()); - return nullptr; - } - } else { - RAI->First = false; - } - - if (RAI->Cur == RAI->End) - return nullptr; - - const Archive::Child &Child = *RAI->Cur.operator->(); - Archive::Child *Ret = new Archive::Child(Child); - - return Ret; -} - -extern "C" void LLVMRustArchiveChildFree(LLVMRustArchiveChildRef Child) { - delete Child; -} - -extern "C" void LLVMRustArchiveIteratorFree(LLVMRustArchiveIteratorRef RAI) { - delete RAI; -} - -extern "C" const char * -LLVMRustArchiveChildName(LLVMRustArchiveChildConstRef Child, size_t *Size) { - Expected<StringRef> NameOrErr = Child->getName(); - if (!NameOrErr) { - // rustc_codegen_llvm currently doesn't use this error string, but it might - // be useful in the future, and in the meantime this tells LLVM that the - // error was not ignored and that it shouldn't abort the process. - LLVMRustSetLastError(toString(NameOrErr.takeError()).c_str()); - return nullptr; - } - StringRef Name = NameOrErr.get(); - *Size = Name.size(); - return Name.data(); -} - -extern "C" LLVMRustArchiveMemberRef -LLVMRustArchiveMemberNew(char *Filename, char *Name, - LLVMRustArchiveChildRef Child) { - RustArchiveMember *Member = new RustArchiveMember; - Member->Filename = Filename; - Member->Name = Name; - if (Child) - Member->Child = *Child; - return Member; -} - -extern "C" void LLVMRustArchiveMemberFree(LLVMRustArchiveMemberRef Member) { - delete Member; -} - -extern "C" LLVMRustResult LLVMRustWriteArchive( - char *Dst, size_t NumMembers, const LLVMRustArchiveMemberRef *NewMembers, - bool WriteSymbtab, LLVMRustArchiveKind RustKind, bool isEC) { - - std::vector<NewArchiveMember> Members; - auto Kind = fromRust(RustKind); - - for (size_t I = 0; I < NumMembers; I++) { - auto Member = NewMembers[I]; - assert(Member->Name); - if (Member->Filename) { - Expected<NewArchiveMember> MOrErr = - NewArchiveMember::getFile(Member->Filename, true); - if (!MOrErr) { - LLVMRustSetLastError(toString(MOrErr.takeError()).c_str()); - return LLVMRustResult::Failure; - } - MOrErr->MemberName = sys::path::filename(MOrErr->MemberName); - Members.push_back(std::move(*MOrErr)); - } else { - Expected<NewArchiveMember> MOrErr = - NewArchiveMember::getOldMember(Member->Child, true); - if (!MOrErr) { - LLVMRustSetLastError(toString(MOrErr.takeError()).c_str()); - return LLVMRustResult::Failure; - } - Members.push_back(std::move(*MOrErr)); - } - } - - auto SymtabMode = WriteSymbtab ? SymtabWritingMode::NormalSymtab - : SymtabWritingMode::NoSymtab; - auto Result = - writeArchive(Dst, Members, SymtabMode, Kind, true, false, nullptr, isEC); - if (!Result) - return LLVMRustResult::Success; - LLVMRustSetLastError(toString(std::move(Result)).c_str()); - - return LLVMRustResult::Failure; -} diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp index cd4f80f808c..e699e4b9c13 100644 --- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp @@ -278,6 +278,7 @@ enum class LLVMRustAttributeKind { Writable = 42, DeadOnUnwind = 43, DeadOnReturn = 44, + CapturesReadOnly = 45, }; static Attribute::AttrKind fromRust(LLVMRustAttributeKind Kind) { @@ -376,6 +377,8 @@ static Attribute::AttrKind fromRust(LLVMRustAttributeKind Kind) { #else report_fatal_error("DeadOnReturn attribute requires LLVM 21 or later"); #endif + case LLVMRustAttributeKind::CapturesReadOnly: + report_fatal_error("Should be handled separately"); } report_fatal_error("bad LLVMRustAttributeKind"); } @@ -430,6 +433,11 @@ LLVMRustCreateAttrNoValue(LLVMContextRef C, LLVMRustAttributeKind RustAttr) { if (RustAttr == LLVMRustAttributeKind::NoCapture) { return wrap(Attribute::getWithCaptureInfo(*unwrap(C), CaptureInfo::none())); } + if (RustAttr == LLVMRustAttributeKind::CapturesReadOnly) { + return wrap(Attribute::getWithCaptureInfo( + *unwrap(C), CaptureInfo(CaptureComponents::Address | + CaptureComponents::ReadProvenance))); + } #endif return wrap(Attribute::get(*unwrap(C), fromRust(RustAttr))); } @@ -1460,60 +1468,6 @@ LLVMRustGetDiagInfoKind(LLVMDiagnosticInfoRef DI) { return toRust((DiagnosticKind)unwrap(DI)->getKind()); } -// This is kept distinct from LLVMGetTypeKind, because when -// a new type kind is added, the Rust-side enum must be -// updated or UB will result. -extern "C" LLVMTypeKind LLVMRustGetTypeKind(LLVMTypeRef Ty) { - switch (unwrap(Ty)->getTypeID()) { - case Type::VoidTyID: - return LLVMVoidTypeKind; - case Type::HalfTyID: - return LLVMHalfTypeKind; - case Type::FloatTyID: - return LLVMFloatTypeKind; - case Type::DoubleTyID: - return LLVMDoubleTypeKind; - case Type::X86_FP80TyID: - return LLVMX86_FP80TypeKind; - case Type::FP128TyID: - return LLVMFP128TypeKind; - case Type::PPC_FP128TyID: - return LLVMPPC_FP128TypeKind; - case Type::LabelTyID: - return LLVMLabelTypeKind; - case Type::MetadataTyID: - return LLVMMetadataTypeKind; - case Type::IntegerTyID: - return LLVMIntegerTypeKind; - case Type::FunctionTyID: - return LLVMFunctionTypeKind; - case Type::StructTyID: - return LLVMStructTypeKind; - case Type::ArrayTyID: - return LLVMArrayTypeKind; - case Type::PointerTyID: - return LLVMPointerTypeKind; - case Type::FixedVectorTyID: - return LLVMVectorTypeKind; - case Type::TokenTyID: - return LLVMTokenTypeKind; - case Type::ScalableVectorTyID: - return LLVMScalableVectorTypeKind; - case Type::BFloatTyID: - return LLVMBFloatTypeKind; - case Type::X86_AMXTyID: - return LLVMX86_AMXTypeKind; - default: { - std::string error; - auto stream = llvm::raw_string_ostream(error); - stream << "Rust does not support the TypeID: " << unwrap(Ty)->getTypeID() - << " for the type: " << *unwrap(Ty); - stream.flush(); - report_fatal_error(error.c_str()); - } - } -} - DEFINE_SIMPLE_CONVERSION_FUNCTIONS(SMDiagnostic, LLVMSMDiagnosticRef) extern "C" LLVMSMDiagnosticRef LLVMRustGetSMDiagnostic(LLVMDiagnosticInfoRef DI, @@ -1993,29 +1947,3 @@ extern "C" void LLVMRustSetNoSanitizeHWAddress(LLVMValueRef Global) { MD.NoHWAddress = true; GV.setSanitizerMetadata(MD); } - -enum class LLVMRustTailCallKind { - None = 0, - Tail = 1, - MustTail = 2, - NoTail = 3 -}; - -extern "C" void LLVMRustSetTailCallKind(LLVMValueRef Call, - LLVMRustTailCallKind Kind) { - CallInst *CI = unwrap<CallInst>(Call); - switch (Kind) { - case LLVMRustTailCallKind::None: - CI->setTailCallKind(CallInst::TCK_None); - break; - case LLVMRustTailCallKind::Tail: - CI->setTailCallKind(CallInst::TCK_Tail); - break; - case LLVMRustTailCallKind::MustTail: - CI->setTailCallKind(CallInst::TCK_MustTail); - break; - case LLVMRustTailCallKind::NoTail: - CI->setTailCallKind(CallInst::TCK_NoTail); - break; - } -} |
