1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/ObjectFileInterface.cpp b/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/ObjectFileInterface.cpp
index 394a555e453b..356b81b4f1c5 100644
--- a/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/ObjectFileInterface.cpp
+++ b/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/ObjectFileInterface.cpp
@@ -9,6 +9,7 @@
 #include "llvm/ExecutionEngine/Orc/ObjectFileInterface.h"
 #include "llvm/ExecutionEngine/Orc/ELFNixPlatform.h"
 #include "llvm/ExecutionEngine/Orc/MachOPlatform.h"
+#include "llvm/Object/COFF.h"
 #include "llvm/Object/ELFObjectFile.h"
 #include "llvm/Object/MachO.h"
 #include "llvm/Object/ObjectFile.h"
@@ -145,6 +146,55 @@ getELFObjectFileSymbolInfo(ExecutionSession &ES,
   return I;
 }
 
+static Expected<MaterializationUnit::Interface>
+getCOFFObjectFileSymbolInfo(ExecutionSession &ES,
+                            const object::COFFObjectFile &Obj) {
+  MaterializationUnit::Interface I;
+
+  for (auto &Sym : Obj.symbols()) {
+    Expected<uint32_t> SymFlagsOrErr = Sym.getFlags();
+    if (!SymFlagsOrErr)
+      // TODO: Test this error.
+      return SymFlagsOrErr.takeError();
+
+    // Skip symbols not defined in this object file.
+    if (*SymFlagsOrErr & object::BasicSymbolRef::SF_Undefined)
+      continue;
+
+    // Skip symbols that are not global.
+    if (!(*SymFlagsOrErr & object::BasicSymbolRef::SF_Global))
+      continue;
+
+    // Skip symbols that have type SF_File.
+    if (auto SymType = Sym.getType()) {
+      if (*SymType == object::SymbolRef::ST_File)
+        continue;
+    } else
+      return SymType.takeError();
+
+    auto Name = Sym.getName();
+    if (!Name)
+      return Name.takeError();
+
+    auto SymFlags = JITSymbolFlags::fromObjectSymbol(Sym);
+    if (!SymFlags)
+      return SymFlags.takeError();
+    *SymFlags |= JITSymbolFlags::Exported;
+    auto COFFSym = Obj.getCOFFSymbol(Sym);
+
+    // Weak external is always a function
+    if (COFFSym.isWeakExternal()) {
+      *SymFlags |= JITSymbolFlags::Callable;
+    }
+
+    I.SymbolFlags[ES.intern(*Name)] = std::move(*SymFlags);
+  }
+
+  // FIXME: handle init symbols
+
+  return I;
+}
+
 Expected<MaterializationUnit::Interface>
 getGenericObjectFileSymbolInfo(ExecutionSession &ES,
                                const object::ObjectFile &Obj) {
@@ -196,6 +246,8 @@ getObjectFileInterface(ExecutionSession &ES, MemoryBufferRef ObjBuffer) {
     return getMachOObjectFileSymbolInfo(ES, *MachOObj);
   else if (auto *ELFObj = dyn_cast<object::ELFObjectFileBase>(Obj->get()))
     return getELFObjectFileSymbolInfo(ES, *ELFObj);
+  else if (auto *COFFObj = dyn_cast<object::COFFObjectFile>(Obj->get()))
+    return getCOFFObjectFileSymbolInfo(ES, *COFFObj);
 
   return getGenericObjectFileSymbolInfo(ES, **Obj);
 }