bjoernager/rust
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Use LLVM for getting symbols from COFF bigobj files

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This commit is contained in:
bjorn3 2022-11-26 13:55:18 +00:00
parent be6708428f
commit 0673cde5a3
2 changed files with 33 additions and 11 deletions
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34
compiler/rustc_llvm/llvm-wrapper/SymbolWrapper.cpp
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@ -49,19 +49,33 @@ extern "C" void *LLVMRustGetSymbols(
std::unique_ptr<object::SymbolicFile> Obj;
const file_magic Type = identify_magic(Buf->getBuffer());
if (Type != file_magic::bitcode) {
return ErrorCallback("not bitcode");
if (!object::SymbolicFile::isSymbolicFile(Type, &Context)) {
return 0;
}
auto ObjOrErr = object::SymbolicFile::createSymbolicFile(
if (Type == file_magic::bitcode) {
auto ObjOrErr = object::SymbolicFile::createSymbolicFile(
Buf->getMemBufferRef(), file_magic::bitcode, &Context);
if (!ObjOrErr) {
Error E = ObjOrErr.takeError();
SmallString<0> ErrorBuf;
raw_svector_ostream Error(ErrorBuf);
Error << E << '\0';
return ErrorCallback(Error.str().data());
if (!ObjOrErr) {
Error E = ObjOrErr.takeError();
SmallString<0> ErrorBuf;
raw_svector_ostream Error(ErrorBuf);
Error << E << '\0';
return ErrorCallback(Error.str().data());
}
Obj = std::move(*ObjOrErr);
} else {
auto ObjOrErr = object::SymbolicFile::createSymbolicFile(Buf->getMemBufferRef());
if (!ObjOrErr) {
Error E = ObjOrErr.takeError();
SmallString<0> ErrorBuf;
raw_svector_ostream Error(ErrorBuf);
Error << E << '\0';
return ErrorCallback(Error.str().data());
}
Obj = std::move(*ObjOrErr);
}
Obj = std::move(*ObjOrErr);
for (const object::BasicSymbolRef &S : Obj->symbols()) {
if (!isArchiveSymbol(S))