feat: implement Mach-O linker and massive improvements on Assembler and Linkers.

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

1 files changed, 48 insertions, 0 deletions

diff --git a/include/CompilerKit/MachO.h b/include/CompilerKit/MachO.h
new file mode 100644
index 0000000..a22fa9d
--- /dev/null
+++ b/include/CompilerKit/MachO.h
@@ -0,0 +1,48 @@
+// Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (See accompanying
+// file LICENSE or copy at http://www.apache.org/licenses/LICENSE-2.0)
+// Official repository: https://github.com/nekernel-org/nectar
+
+#ifndef _NECTAR_MACHO_H_
+#define _NECTAR_MACHO_H_
+
+#include <CompilerKit/Detail/Config.h>
+
+#include <mach-o/loader.h>
+#include <mach-o/nlist.h>
+
+namespace CompilerKit {
+namespace MachO {
+
+  /// @brief Mach-O segment names
+  constexpr const char* kSegmentText     = "__TEXT";
+  constexpr const char* kSegmentData     = "__DATA";
+  constexpr const char* kSegmentLinkedit = "__LINKEDIT";
+
+  /// @brief Mach-O section names
+  constexpr const char* kSectionText = "__text";
+  constexpr const char* kSectionData = "__data";
+  constexpr const char* kSectionBss  = "__bss";
+
+  /// @brief Default base address for Mach-O executables
+  constexpr uint64_t kDefaultBaseAddress = 0x100000000ULL;
+
+  /// @brief Page size for alignment
+  constexpr uint64_t kPageSize = 0x4000ULL;  // 16KB for arm64, also works for x86_64
+
+  /// @brief Section alignment (2^4 = 16 bytes)
+  constexpr uint32_t kSectionAlign = 4;
+
+  /// @brief Helper to align a value to page boundary
+  inline uint64_t AlignToPage(uint64_t value) { return (value + kPageSize - 1) & ~(kPageSize - 1); }
+
+  /// @brief Helper to copy segment/section name safely
+  inline void CopySegmentName(char* dest, const char* src) {
+    std::memset(dest, 0, 16);
+    std::strncpy(dest, src, 16);
+  }
+
+}  // namespace MachO
+}  // namespace CompilerKit
+
+#endif  // ifndef _NECTAR_MACHO_H_