initial commit

src/SharpEmu.Core/Loader/ProgramHeader.cs

@@ -0,0 +1,70 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using System.Runtime.InteropServices;
+
+namespace SharpEmu.Core.Loader;
+
+[StructLayout(LayoutKind.Sequential, Pack = 1)]
+public readonly struct ProgramHeader
+{
+    private readonly uint _type;
+    private readonly uint _flags;
+    private readonly ulong _offset;
+    private readonly ulong _virtualAddress;
+    private readonly ulong _physicalAddress;
+    private readonly ulong _fileSize;
+    private readonly ulong _memorySize;
+    private readonly ulong _alignment;
+
+    public uint Type => _type;
+
+    public ProgramHeaderType HeaderType => (ProgramHeaderType)_type;
+
+    public uint RawFlags => _flags;
+
+    public ProgramHeaderFlags Flags => (ProgramHeaderFlags)_flags;
+
+    public ulong Offset => _offset;
+
+    public ulong VirtualAddress => _virtualAddress;
+
+    public ulong PhysicalAddress => _physicalAddress;
+
+    public ulong FileSize => _fileSize;
+
+    public ulong MemorySize => _memorySize;
+
+    public ulong Alignment => _alignment;
+}
+
+public enum ProgramHeaderType : uint
+{
+    Null = 0,
+
+    Load = 1,
+
+    Dynamic = 2,
+
+    Tls = 7,
+
+    SceRela = 0x60000000,
+
+    SceProcParam = 0x61000001,
+
+    SceDynLibData = 0x61000000,
+
+    SceRelro = 0x61000010,
+}
+
+[Flags]
+public enum ProgramHeaderFlags : uint
+{
+    None = 0,
+
+    Execute = 0x1,
+
+    Write = 0x2,
+
+    Read = 0x4,
+}