library.c

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#include "./library.h"
#include "vfs/dentry.h"
#include "vfs/vnode.h"
#include <hal/cpu/paging.h>
#include <libk/executable/elf.h>
#include <libk/serial.h>
#include <str.h>
#include <memory/memory_utils.h>
#include <memory/phys_base_allocator.h>
#include <vfs/vfs.h>
 
static struct Library* libraries = NULL;
 
void library_register(const char* path, enum LibraryType type) {
    // TODO: buka file hanya ketika di load saja
    dentry_ptr opened_dentry = 0;
    resolve_dentry((char*) path, 0, &opened_dentry, 0);
    if (!opened_dentry) {
        LOG_ERROR("LIBRARY", "failed to open file %s", path);
        return;
    }
 
    uint8_t* file_data = (uint8_t*) (kalloc(opened_dentry->vnode->size));
    memset(file_data, 0, opened_dentry->vnode->size);
    ((vops_file_t*) opened_dentry->vnode->ops)
        ->read(opened_dentry->vnode, file_data,
               opened_dentry->vnode->size, 0);
 
    struct Library* lib = (kalloc(sizeof(struct Library)));
    memset((void*) lib, 0, sizeof(struct Library));
 
    lib->name = opened_dentry->name->c_str;
    lib->type = type;
    lib->entry = (uintptr_t) file_data;
 
    if (libraries == 0) {
        libraries = lib;
    } else {
        struct Library* current = libraries;
        while (current->next != 0) {
            current = current->next;
        }
        current->next = lib;
    }
 
    LOG_INFO("LIBRARY", "success registerd %s", lib->name);
}
 
struct Library* library_load(const char* name) {
    struct Library* current = libraries;
    while (current != 0) {
        if (strncmp(current->name, name, strlen(name)) == 0) {
            LOG_INFO("LIBRARY", "success load %s", current->name);
            return current;
        }
        current = current->next;
    }
    return 0;
}
 
// TODO: tambahkan unload