more path iteration

Author: JacobSzwejbka

backends/cuda/runtime/cuda_backend.cpp

@@ -126,7 +126,7 @@ class ET_EXPERIMENTAL CudaBackend final
         temp_dir / (so_blob_key + to_string(get_process_id()) + ".so");
 
     // Create a temporary file
-    ofstream outfile(so_path.c_str(), ios::binary);
+    ofstream outfile(so_path, ios::binary);
 
     // Write the ELF buffer to the temporary file
     ET_LOG(
@@ -146,7 +146,7 @@ class ET_EXPERIMENTAL CudaBackend final
     outfile.close();
 
     // Load the lib
-    Result<void*> lib_handle_res = load_library(so_path.c_str());
+    Result<void*> lib_handle_res = load_library(so_path);
     if (!lib_handle_res.ok()) {
       return lib_handle_res.error();
     }

backends/cuda/runtime/platform/platform.h

@@ -24,18 +24,20 @@ namespace executorch {
 namespace backends {
 namespace cuda {
 
-executorch::runtime::Result<void*> load_library(const char* path) {
+executorch::runtime::Result<void*> load_library(
+    const std::filesystem::path& path) {
 #ifdef _WIN32
-  auto lib_handle = LoadLibrary(path);
+  std::string utf8 = p.u8string();
+  auto lib_handle = LoadLibrary(utf8.c_str());
   if (lib_handle == NULL) {
-    ET_LOG(Error, "Failed to load %s with error: %lu", path, GetLastError());
+    ET_LOG(Error, "Failed to load %s with error: %lu", utf8, GetLastError());
     return executorch::runtime::Error::AccessFailed;
   }
 
 #else
   void* lib_handle = dlopen(path, RTLD_LAZY | RTLD_LOCAL);
   if (lib_handle == nullptr) {
-    ET_LOG(Error, "Failed to load %s with error: %s", path, dlerror());
+    ET_LOG(Error, "Failed to load %s with error: %s", path.c_str(), dlerror());
     return executorch::runtime::Error::AccessFailed;
   }
 #endif

backends/cuda/runtime/shims/memory.cpp

@@ -8,6 +8,7 @@
 
 #include <executorch/backends/aoti/common_shims.h>
 #include <executorch/backends/aoti/utils.h>
+#include <executorch/backends/cuda/runtime/platform/platform.h>
 #include <executorch/backends/cuda/runtime/shims/memory.h>
 #include <executorch/backends/cuda/runtime/shims/tensor_attribute.h>
 #include <executorch/backends/cuda/runtime/utils.h>