1 files changed, 47 insertions, 0 deletions
diff --git a/llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorResolver.cpp b/llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorResolver.cpp
new file mode 100644
index 000000000000..6054d8673036
--- /dev/null
+++ b/llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorResolver.cpp
@@ -0,0 +1,47 @@
+
+#include "llvm/ExecutionEngine/Orc/TargetProcess/ExecutorResolver.h"
+
+#include "llvm/Support/DynamicLibrary.h"
+#include "llvm/Support/Error.h"
+
+namespace llvm::orc {
+
+void DylibSymbolResolver::resolveAsync(
+    const RemoteSymbolLookupSet &L,
+    ExecutorResolver::YieldResolveResultFn &&OnResolve) {
+  std::vector<std::optional<ExecutorSymbolDef>> Result;
+  auto DL = sys::DynamicLibrary(Handle.toPtr<void *>());
+
+  for (const auto &E : L) {
+    if (E.Name.empty()) {
+      if (E.Required)
+        OnResolve(
+            make_error<StringError>("Required address for empty symbol \"\"",
+                                    inconvertibleErrorCode()));
+      else
+        Result.emplace_back();
+    } else {
+
+      const char *DemangledSymName = E.Name.c_str();
+#ifdef __APPLE__
+      if (E.Name.front() != '_')
+        OnResolve(make_error<StringError>(Twine("MachO symbol \"") + E.Name +
+                                              "\" missing leading '_'",
+                                          inconvertibleErrorCode()));
+      ++DemangledSymName;
+#endif
+
+      void *Addr = DL.getAddressOfSymbol(DemangledSymName);
+      if (!Addr && E.Required)
+        Result.emplace_back();
+      else
+        // FIXME: determine accurate JITSymbolFlags.
+        Result.emplace_back(ExecutorSymbolDef(ExecutorAddr::fromPtr(Addr),
+                                              JITSymbolFlags::Exported));
+    }
+  }
+
+  OnResolve(std::move(Result));
+}
+
+} // end namespace llvm::orc
+\ No newline at end of file