feat: kernel: New PE32+ backend, CodeMgr improvements.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/dev/kernel/KernelKit/PE32CodeMgr.h b/dev/kernel/KernelKit/PE32CodeMgr.h
new file mode 100644
index 00000000..da9f0737
--- /dev/null
+++ b/dev/kernel/KernelKit/PE32CodeMgr.h
@@ -0,0 +1,91 @@
+/* -------------------------------------------
+
+  Copyright (C) 2025, Amlal El Mahrouss, all rights reserved.
+
+  File: PE32CodeMgr.h
+  Purpose: PE32+ Code Mgr and Dylib mgr.
+
+  Revision History:
+
+  12/02/24: Added file (amlel)
+
+------------------------------------------- */
+
+#pragma once
+
+////////////////////////////////////////////////////
+
+// LAST REV: Mon Feb 12 13:52:01 CET 2024
+
+////////////////////////////////////////////////////
+
+#include <KernelKit/FileMgr.h>
+#include <KernelKit/ILoader.h>
+#include <KernelKit/PE.h>
+#include <NeKit/ErrorOr.h>
+#include <NeKit/KString.h>
+
+#ifndef INC_PROCESS_SCHEDULER_H
+#include <KernelKit/ProcessScheduler.h>
+#endif
+
+#define kPeStackSizeSymbol "__NESizeOfReserveStack"
+#define kPeHeapSizeSymbol "__NESizeOfReserveHeap"
+#define kPeNameSymbol "__NEProgramName"
+
+#define kPeApplicationMime "application/vnd-portable-executable"
+
+#define kPeImageStart "__ImageStart"
+
+namespace Kernel {
+///
+/// \name PE32Loader
+/// \brief PE32+ loader class.
+///
+class PE32Loader : public ILoader {
+ private:
+  explicit PE32Loader() = delete;
+
+ public:
+  explicit PE32Loader(const VoidPtr blob);
+  explicit PE32Loader(const Char* path);
+  ~PE32Loader() override;
+
+ public:
+  NE_COPY_DEFAULT(PE32Loader)
+
+ public:
+  const Char* Path() override;
+  const Char* AsString() override;
+  const Char* MIME() override;
+
+ public:
+  ErrorOr<VoidPtr> FindStart() override;
+  ErrorOr<VoidPtr> FindSectionByName(const Char* name);
+  ErrorOr<VoidPtr> FindSymbol(const Char* name, Int32 kind) override;
+  ErrorOr<VoidPtr> GetBlob() override;
+
+ public:
+  bool IsLoaded() noexcept;
+
+ private:
+#ifdef __FSKIT_INCLUDES_NEFS__
+  OwnPtr<FileStream<Char, NeFileSystemMgr>> fFile;
+#elif defined(__FSKIT_INCLUDES_HEFS__)
+  OwnPtr<FileStream<Char, HeFileSystemMgr>> fFile;
+#else
+  OwnPtr<FileStream<Char>> fFile;
+#endif  // __FSKIT_INCLUDES_NEFS__
+
+  Ref<KString> fPath;
+  VoidPtr      fCachedBlob;
+  BOOL         fBad;
+};
+
+enum { kPEPlatformInvalid, kPEPlatformAMD64 = 100, kPEPlatformARM64 };
+enum { kPETypeInvalid, kPETypeText = 100, kPETypeData, kPETypeBSS };
+
+typedef LDR_SECTION_HEADER PE_SECTION_INFO;
+
+ProcessID rtl_create_user_process(PE32Loader& exec, const Int32& process_kind) noexcept;
+}  // namespace NeKernel
\ No newline at end of file