LibC: Make stdio and malloc initialization constructors

userspace/libraries/LibC/malloc.cpp

@@ -50,19 +50,27 @@ struct malloc_pool_t
 	bool contains(malloc_node_t* node) { return start <= (uint8_t*)node && (uint8_t*)node < end(); }
 };
 
-static malloc_pool_t s_malloc_pools[s_malloc_pool_count];
+struct malloc_info_t
-
-void _init_malloc()
 {
-	size_t pool_size = s_malloc_pool_size_initial;
+	consteval malloc_info_t()
-	for (size_t i = 0; i < s_malloc_pool_count; i++)
 	{
-		s_malloc_pools[i].start = nullptr;
+		size_t pool_size = s_malloc_pool_size_initial;
-		s_malloc_pools[i].size = pool_size;
+		for (auto& pool : pools)
-		s_malloc_pools[i].free_list = nullptr;;
+		{
-		pool_size *= s_malloc_pool_size_multiplier;
+			pool = {
+				.start = nullptr,
+				.size = pool_size,
+				.free_list = nullptr,
+			};
+			pool_size *= s_malloc_pool_size_multiplier;
+		}
 	}
-}
+
+	malloc_pool_t pools[s_malloc_pool_count];
+};
+
+static malloc_info_t s_malloc_info;
+static auto& s_malloc_pools = s_malloc_info.pools;
 
 static bool allocate_pool(size_t pool_index)
 {

userspace/libraries/LibC/stdio.cpp

@@ -94,7 +94,8 @@ static int drop_read_buffer(FILE* file)
 	return 0;
 }
 
-void _init_stdio()
+__attribute__((constructor))
+static void _init_stdio()
 {
 	for (size_t i = 0; i < FOPEN_MAX; i++)
 	{

userspace/libraries/LibC/unistd.cpp

@@ -19,8 +19,6 @@
 char** __environ;
 extern char** environ __attribute__((weak, alias("__environ")));
 
-extern void _init_malloc();
-extern void _init_stdio();
 extern "C" void _init_libc(char** _environ)
 {
 	static bool is_initialized = false;
@@ -28,9 +26,6 @@ extern "C" void _init_libc(char** _environ)
 		return;
 	is_initialized = true;
 
-	_init_malloc();
-	_init_stdio();
-
 	if (!_environ)
 		return;