about summary refs log tree commit diff
path: root/compiler/rustc_llvm
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/rustc_llvm')
-rw-r--r--compiler/rustc_llvm/build.rs1
-rw-r--r--compiler/rustc_llvm/llvm-wrapper/ArchiveWrapper.cpp208
-rw-r--r--compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp88
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;
-  }
-}