EXPORT_C void __attribute__((constructor)) mdbg_init_mem_alloc(void)
{
get_malloc();
get_realloc();
get_free();
get_posix_memalign();
get_memalign();
get_valloc();
set_core_unlimited();
}
void* operator new[] (size_t sz)
{
void *ret;
ret = get_malloc() (sz);
INIT( ret, sz );
return ret;
}
EXPORT_C void *malloc(size_t sz)
{
void *ret;
if (dlsym_nesting) {
return 0;
}
ret = get_malloc() (sz);
INIT( ret, sz );
return ret;
}
void *realloc(void *ptr, size_t size)
{
static t_zone *ptr_realloc = NULL;
t_zone *current;
int ret;
if (size <= 0)
return (NULL);
if (!ptr_realloc)
ptr_realloc = get_malloc();
current = ptr_realloc;
while (42)
{
if ((ret = found_inter(ptr, current)) != -1)
return (ft_realloc(ptr_realloc, ptr, current, size));
if (!current->next)
break ;
current = current->next;
}
return (NULL);
}
void show_alloc_mem(void)
{
static t_zone *ptr_view = NULL;
t_zone *current;
if (!ptr_view)
ptr_view = get_malloc();
current = ptr_view;
while (42)
{
if (current->index)
print_view(current);
if (current->next)
current = current->next;
else
break ;
}
ft_putstr("Total : ");
ft_putnbr(ptr_view->total);
ft_putendl(" octets");
}
void *realloc(void *ptr, size_t size)
{
char *char_ptr;
char *mem;
char **ptr_mem;
int *int_mem;
ft_putstr("trying to realloc\n");
char_ptr = (char *)ptr;
mem = get_malloc(0, size);
while (mem != NULL)
{
ptr_mem = (char **)(mem + 5);
if (is_pointer_in_page(mem, ptr) == 1)
{
int_mem = (int *)(mem + 1);
return (realloc_page(mem, *int_mem, ptr, size));
}
mem = *ptr_mem;
}
return (NULL);
}
static int get_root_array(char * page, int type, char **start, off_t offset, int length)
{
switch (type) {
case PROC_LOADAVG:
return get_loadavg(page);
case PROC_UPTIME:
return get_uptime(page);
case PROC_MEMINFO:
return get_meminfo(page);
#ifdef CONFIG_PCI
case PROC_PCI:
return get_pci_list(page);
#endif
case PROC_CPUINFO:
return get_cpuinfo(page);
case PROC_VERSION:
return get_version(page);
#ifdef CONFIG_DEBUG_MALLOC
case PROC_MALLOC:
return get_malloc(page);
#endif
#ifdef CONFIG_MODULES
case PROC_MODULES:
return get_module_list(page);
case PROC_KSYMS:
return get_ksyms_list(page, start, offset, length);
#endif
case PROC_STAT:
return get_kstat(page);
case PROC_DEVICES:
return get_device_list(page);
case PROC_INTERRUPTS:
return get_irq_list(page);
case PROC_FILESYSTEMS:
return get_filesystem_list(page);
case PROC_DMA:
return get_dma_list(page);
case PROC_IOPORTS:
return get_ioport_list(page);
#ifdef CONFIG_BLK_DEV_MD
case PROC_MD:
return get_md_status(page);
#endif
#ifdef __SMP_PROF__
case PROC_SMP_PROF:
return get_smp_prof_list(page);
#endif
case PROC_CMDLINE:
return get_cmdline(page);
case PROC_MTAB:
return get_filesystem_info( page );
#ifdef CONFIG_RTC
case PROC_RTC:
return get_rtc_status(page);
#endif
case PROC_LOCKS:
return get_locks_status(page);
}
return -EBADF;
}
static int array_read(struct inode * inode, struct file * file,char * buf, int count)
{
char * page;
int length;
int end;
unsigned int type, pid;
if (count < 0)
return -EINVAL;
if (!(page = (char*) __get_free_page(GFP_KERNEL)))
return -ENOMEM;
type = inode->i_ino;
pid = type >> 16;
type &= 0x0000ffff;
switch (type) {
case 2:
length = get_loadavg(page);
break;
case 3:
length = get_uptime(page);
break;
case 4:
length = get_meminfo(page);
break;
case 6:
length = get_version(page);
break;
case 9:
length = get_env(pid, page);
break;
case 10:
length = get_arg(pid, page);
break;
case 11:
length = get_stat(pid, page);
break;
case 12:
length = get_statm(pid, page);
break;
#ifdef CONFIG_DEBUG_MALLOC
case 13:
length = get_malloc(page);
break;
#endif
case 14:
free_page((unsigned long) page);
return read_core(inode, file, buf, count);
case 15:
length = get_maps(pid, page);
break;
case 16:
length = get_module_list(page);
break;
case 17:
length = get_kstat(page);
break;
default:
free_page((unsigned long) page);
return -EBADF;
}
if (file->f_pos >= length) {
free_page((unsigned long) page);
return 0;
}
if (count + file->f_pos > length)
count = length - file->f_pos;
end = count + file->f_pos;
memcpy_tofs(buf, page + file->f_pos, count);
free_page((unsigned long) page);
file->f_pos = end;
return count;
}
void * operator new(size_t size) {
return get_malloc()(size);
}