1 files changed, 42 insertions, 3 deletions
diff --git a/src/core/loader/nso.h b/src/core/loader/nso.h
index 135b6ea5a..fdce9191c 100644
--- a/src/core/loader/nso.h
+++ b/src/core/loader/nso.h
@@ -4,10 +4,12 @@
 
 #pragma once
 
+#include <array>
 #include <optional>
+#include <type_traits>
 #include "common/common_types.h"
+#include "common/swap.h"
 #include "core/file_sys/patch_manager.h"
-#include "core/loader/linker.h"
 #include "core/loader/loader.h"
 
 namespace Kernel {
@@ -16,6 +18,43 @@ class Process;
 
 namespace Loader {
 
+struct NSOSegmentHeader {
+    u32_le offset;
+    u32_le location;
+    u32_le size;
+    union {
+        u32_le alignment;
+        u32_le bss_size;
+    };
+};
+static_assert(sizeof(NSOSegmentHeader) == 0x10, "NsoSegmentHeader has incorrect size.");
+
+struct NSOHeader {
+    using SHA256Hash = std::array<u8, 0x20>;
+
+    struct RODataRelativeExtent {
+        u32_le data_offset;
+        u32_le size;
+    };
+
+    u32_le magic;
+    u32_le version;
+    u32 reserved;
+    u32_le flags;
+    std::array<NSOSegmentHeader, 3> segments; // Text, RoData, Data (in that order)
+    std::array<u8, 0x20> build_id;
+    std::array<u32_le, 3> segments_compressed_size;
+    std::array<u8, 0x1C> padding;
+    RODataRelativeExtent api_info_extent;
+    RODataRelativeExtent dynstr_extent;
+    RODataRelativeExtent dynsyn_extent;
+    std::array<SHA256Hash, 3> segment_hashes;
+
+    bool IsSegmentCompressed(size_t segment_num) const;
+};
+static_assert(sizeof(NSOHeader) == 0x100, "NSOHeader has incorrect size.");
+static_assert(std::is_trivially_copyable_v<NSOHeader>, "NSOHeader must be trivially copyable.");
+
 constexpr u64 NSO_ARGUMENT_DATA_ALLOCATION_SIZE = 0x9000;
 
 struct NSOArgumentHeader {
@@ -26,7 +65,7 @@ struct NSOArgumentHeader {
 static_assert(sizeof(NSOArgumentHeader) == 0x20, "NSOArgumentHeader has incorrect size.");
 
 /// Loads an NSO file
-class AppLoader_NSO final : public AppLoader, Linker {
+class AppLoader_NSO final : public AppLoader {
 public:
     explicit AppLoader_NSO(FileSys::VirtualFile file);
 
@@ -45,7 +84,7 @@ public:
                                            VAddr load_base, bool should_pass_arguments,
                                            std::optional<FileSys::PatchManager> pm = {});
 
-    ResultStatus Load(Kernel::Process& process) override;
+    LoadResult Load(Kernel::Process& process) override;
 };
 
 } // namespace Loader