HCR-9 : Update EFIKit, working on Volume API.

HCR-9 Related:

- New EfiMountVolume, EfiUnmountVolume.

Kernel Related:

- Update Shared Object API, it was lacking a cleanup routine.
- Add __mh_purecall as a C linked symbol for unknown symbols.

Signed-off-by: Amlal El Mahrouss <amlalelmahrouss@icloud.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/Private/Source/PEFSharedObjectRT.cxx b/Private/Source/PEFSharedObjectRT.cxx
new file mode 100644
index 00000000..0b98834c
--- /dev/null
+++ b/Private/Source/PEFSharedObjectRT.cxx
@@ -0,0 +1,107 @@
+/*
+ * ========================================================
+ *
+ * HCore
+ * Copyright Mahrouss Logic, all rights reserved.
+ *
+ *  ========================================================
+ */
+
+#include <KernelKit/DebugOutput.hpp>
+#include <KernelKit/PEF.hpp>
+#include <KernelKit/PEFSharedObject.hxx>
+#include <KernelKit/ProcessManager.hpp>
+#include <KernelKit/ThreadLocalStorage.hxx>
+#include <NewKit/Defines.hpp>
+
+#include "NewKit/RuntimeCheck.hpp"
+
+/* -------------------------------------------
+
+ Revision History:
+
+     01/02/24: Rework shared library ABI, except a __LibInit and __LibFini
+ (amlel)
+
+ ------------------------------------------- */
+
+using namespace HCore;
+
+/***********************************************************************************/
+/// @file SharedObjectRT.cxx
+/// @brief Shared Object runtime.
+/***********************************************************************************/
+
+/***********************************************************************************/
+/* @brief Allocates a new library. */
+/***********************************************************************************/
+
+extern "C" SharedObject *__LibInit() {
+  SharedObject *library = hcore_tls_new_class<SharedObject>();
+
+  if (!library) {
+    kcout << "__LibInit: Out of Memory!\n";
+    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+
+    return nullptr;
+  }
+
+  library->Mount(hcore_tls_new_class<SharedObject::SharedObjectTraits>());
+
+  if (!library->Get()) {
+    kcout << "__LibInit: Out of Memory!\n";
+    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+
+    return nullptr;
+  }
+
+  library->Get()->fImageObject =
+      ProcessManager::Shared().Leak().GetCurrent().Leak().Image;
+
+  if (!library->Get()->fImageObject) {
+    kcout << "__LibInit: Invalid image!\n";
+    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+
+    return nullptr;
+  }
+
+  library->Get()->fImageEntrypointOffset =
+      library->Load<VoidPtr>(kPefStart, string_length(kPefStart, 0), kPefCode);
+
+  kcout << "__LibMain: Task was successful... Returning library...\n";
+
+  return library;
+}
+
+/***********************************************************************************/
+
+/***********************************************************************************/
+/* @brief Frees the library. */
+/* @note Please check if the lib got freed! */
+/* @param SharedObjectPtr the library to free. */
+/***********************************************************************************/
+
+extern "C" Void __LibFini(SharedObjectPtr lib, bool *successful) {
+  MUST_PASS(successful);
+
+  // sanity check (will also trigger a bug check)
+  if (lib == nullptr) {
+    kcout << "__LibFini: Invalid image!\n";
+    *successful = false;
+    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+  }
+
+  delete lib->Get();
+  delete lib;
+
+  lib = nullptr;
+
+  *successful = true;
+}
+
+/***********************************************************************************/
+
+extern "C" void __mh_purecall(void) {
+  // virtual placeholder.
+  return;
+}