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LibC: Make stdio and malloc initialization constructors

This commit is contained in:
Bananymous 2025-04-15 22:01:57 +03:00
parent 5539d5eed0
commit 3721dadd72
3 changed files with 20 additions and 16 deletions
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28
userspace/libraries/LibC/malloc.cpp
View File

@ -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];
void _init_malloc()
struct malloc_info_t
{
size_t pool_size = s_malloc_pool_size_initial;
for (size_t i = 0; i < s_malloc_pool_count; i++)
consteval malloc_info_t()
{
s_malloc_pools[i].start = nullptr;
s_malloc_pools[i].size = pool_size;
s_malloc_pools[i].free_list = nullptr;;
pool_size *= s_malloc_pool_size_multiplier;
size_t pool_size = s_malloc_pool_size_initial;
for (auto& pool : pools)
{
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)
{

3
userspace/libraries/LibC/stdio.cpp
View File

@ -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++)
{

5
userspace/libraries/LibC/unistd.cpp
View File

@ -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;