From 78f0df1cf849af8b0ade40a8ebcffd7fb53635cb Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Thu, 30 Oct 2025 15:59:48 +0100
Subject: libs: begin ELF support implementation

---
 libs/multiboot2/CMakeLists.txt                     |  8 +++++++
 libs/multiboot2/include/multiboot2/information.hpp | 25 ++++++++++++++--------
 2 files changed, 24 insertions(+), 9 deletions(-)

(limited to 'libs/multiboot2')

diff --git a/libs/multiboot2/CMakeLists.txt b/libs/multiboot2/CMakeLists.txt
index 7b9e58a..350a996 100644
--- a/libs/multiboot2/CMakeLists.txt
+++ b/libs/multiboot2/CMakeLists.txt
@@ -17,3 +17,11 @@ target_sources("multiboot2" INTERFACE
 target_include_directories("multiboot2" INTERFACE
     "include"
 )
+
+target_link_libraries("multiboot2" INTERFACE
+    "libs::elf"
+)
+
+set_target_properties("multiboot2" PROPERTIES
+    VERIFY_INTERFACE_HEADER_SETS YES
+)
\ No newline at end of file
diff --git a/libs/multiboot2/include/multiboot2/information.hpp b/libs/multiboot2/include/multiboot2/information.hpp
index ac03069..d2b4c98 100644
--- a/libs/multiboot2/include/multiboot2/information.hpp
+++ b/libs/multiboot2/include/multiboot2/information.hpp
@@ -5,6 +5,9 @@
 #include "impl/iterator.hpp"
 #include "impl/tag.hpp"
 
+#include <elf/format.hpp>
+#include <elf/section_header.hpp>
+
 #include <algorithm>
 #include <cstddef>
 #include <cstdint>
@@ -50,15 +53,17 @@ namespace multiboot2
   /**
    * @copydoc multiboot2::impl::elf_symbols_data
    */
-  struct elf_symbols : impl::vla_tag<impl::elf_symbols_data, std::byte const, std::span>
+  template<elf::format Format>
+  struct elf_symbols : impl::vla_tag<impl::elf_symbols_data, elf::section_header<Format> const, std::span>
   {
-    using vla_tag::vla_tag;
+    using base = impl::vla_tag<impl::elf_symbols_data, elf::section_header<Format> const, std::span>;
+    using base::base;
 
-    using iterator = range_type::iterator;
+    using iterator = base::range_type::iterator;
 
-    auto data() const noexcept -> range_type
+    auto data() const noexcept -> base::range_type
     {
-      return m_vla;
+      return this->m_vla;
     }
   };
 
@@ -168,14 +173,16 @@ namespace multiboot2
       return maybe_command_line().value();
     }
 
-    auto maybe_elf_symbols() const noexcept -> std::optional<elf_symbols>
+    template<elf::format Format>
+    auto maybe_elf_symbols() const noexcept -> std::optional<elf_symbols<Format>>
     {
-      return get<multiboot2::elf_symbols>();
+      return get<multiboot2::elf_symbols<Format>>();
     }
 
-    auto elf_symbols() const -> elf_symbols
+    template<elf::format Format>
+    auto elf_symbols() const -> elf_symbols<Format>
     {
-      return maybe_elf_symbols().value();
+      return maybe_elf_symbols<Format>().value();
     }
 
     auto maybe_loader_name() const noexcept -> std::optional<loader_name>
-- 
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