WIP: ARM64 support is coming soon.

WIP: Prototyping ELF linker for ZkaOS.

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

1 files changed, 92 insertions, 0 deletions

diff --git a/dev/LibCompiler/src/CPlusPlusLinkerELF.cc b/dev/LibCompiler/src/CPlusPlusLinkerELF.cc
new file mode 100644
index 0000000..5b85afc
--- /dev/null
+++ b/dev/LibCompiler/src/CPlusPlusLinkerELF.cc
@@ -0,0 +1,92 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024 Theater Quality Corp, all rights reserved
+
+	@file DynamicLinker64PEF.cc
+	@brief: C++ 64-Bit PEF Linker.
+
+------------------------------------------- */
+
+/// @author EL Mahrouss Amlal (amlel)
+/// @brief TQ 64-bit PEF Linker.
+/// Last Rev: Sat Feb 24 CET 2024
+/// @note Do not look up for anything with .code64/.data64/.zero64!
+/// It will be loaded when the program loader will start the image.
+
+//! Toolchain Kit.
+#include <LibCompiler/Defines.h>
+
+#include <LibCompiler/NFC/ErrorID.h>
+
+//! Assembler Kit
+#include <LibCompiler/AAL/AssemblyInterface.h>
+
+//! Preferred Executable Format
+#include <LibCompiler/NFC/XCOFF.h>
+#include <LibCompiler/UUID.h>
+
+//! Release macros.
+#include <LibCompiler/Version.h>
+
+//! Advanced Executable Object Format.
+#include <LibCompiler/NFC/AE.h>
+#include <cstdint>
+
+#define kLinkerVersionStr "TQ 64-Bit Linker (ELF) %s, (c) Theater Quality Corp. 2024, all rights reserved.\n"
+
+#define MemoryCopy(DST, SRC, SZ) memcpy(DST, SRC, SZ)
+#define StringCompare(DST, SRC) strcmp(DST, SRC)
+
+#define kPefNoCpu	 0U
+#define kPefNoSubCpu 0U
+
+#define kWhite	"\e[0;97m"
+
+#define kStdOut (std::cout << kWhite << "ld64: ")
+
+#define kLinkerDefaultOrigin kPefBaseOrigin
+#define kLinkerId			 (0x5046FF)
+#define kLinkerAbiContainer	 "Container:ABI:"
+
+/// @brief PEF stack size symbol.
+#define kLinkerStackSizeSymbol "SizeOfReserveStack"
+
+namespace Details 
+{
+struct DynamicLinkerBlob final
+{
+	std::vector<CharType> fPefBlob; // PEF code/bss/data blob.
+	std::uintptr_t fAEOffset; // the offset of the PEF container header..
+};
+}
+
+enum
+{
+	kABITypeStart	= 0x1010, /* Invalid ABI start of ABI list. */
+	kABITypeZKA	= 0x5046, /* PF (ZKA PEF ABI) */
+	kABITypeInvalid = 0xFFFF,
+};
+
+static Bool		   kFatBinaryEnable	 = false;
+static Bool		   kStartFound		 = false;
+static Bool		   kDuplicateSymbols = false;
+static Bool		   kVerbose			 = false;
+
+/* object code and list. */
+static std::vector<LibCompiler::String> kObjectList;
+static std::vector<Details::DynamicLinkerBlob> kObjectBytes;
+
+static uintptr_t kMIBCount = 8;
+static uintptr_t kByteCount	= 1024;
+
+#define kPrintF			printf
+#define kLinkerSplash() kPrintF(kWhite kLinkerVersionStr, kDistVersion)
+
+///	@brief ZKA 64-bit Linker.
+/// @note This linker is made for XCOFF executable, thus ZKA based OSes.
+TOOLCHAINKIT_MODULE(DynamicLinker64XCOFF)
+{
+	return EXIT_SUCCESS;
+}
+
+// Last rev 13-1-24