[core/loader] prevent program_image reallocations in NSO+KIP loading methods (#3639)

also changes some methods to std::span<> as well, but mainly std::vector<> in the NSO/KIP loading stuff is not needed to be memcpy'ed and memmove'd around
this should save a marginal amount of loading time (RDR1)

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3639
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

1 files changed, 7 insertions, 3 deletions

diff --git a/src/core/file_sys/kernel_executable.h b/src/core/file_sys/kernel_executable.h
index 928ba2d99f..ac4b1acaf4 100644
--- a/src/core/file_sys/kernel_executable.h
+++ b/src/core/file_sys/kernel_executable.h
@@ -1,9 +1,13 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
 #include <array>
+#include <span>
 #include <string>
 #include <vector>
 
@@ -70,9 +74,9 @@ public:
     u32 GetMainThreadStackSize() const;
     u32 GetMainThreadCpuCore() const;
 
-    const std::vector<u8>& GetTextSection() const;
-    const std::vector<u8>& GetRODataSection() const;
-    const std::vector<u8>& GetDataSection() const;
+    std::span<const u8> GetTextSection() const;
+    std::span<const u8> GetRODataSection() const;
+    std::span<const u8> GetDataSection() const;
 
     u32 GetTextOffset() const;
     u32 GetRODataOffset() const;