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/*
* Copyright © 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdlib.h>
#include <assert.h>
#include <malloc.h>
#include <pthread.h>
#include <string.h>
#include "cl_alloc.h"
#include "cl_internals.h"
static pthread_mutex_t cl_alloc_log_lock;
typedef struct _cl_alloc_log_item {
void* ptr;
size_t size;
char* file;
int line;
} _cl_alloc_log_item;
typedef struct _cl_alloc_log_item* cl_alloc_log_item;
static cl_alloc_log_item* cl_alloc_log_map[8];
static int cl_alloc_log_map_size[8];
LOCAL void cl_alloc_log_init(void)
{
static int inited = 0;
int i;
if (inited)
return;
pthread_mutex_init(&cl_alloc_log_lock, NULL);
for (i = 0; i < 8; i++) {
cl_alloc_log_map_size[i] = 128;
cl_alloc_log_map[i] = malloc(cl_alloc_log_map_size[i]*sizeof(cl_alloc_log_item));
memset(cl_alloc_log_map[i], 0, cl_alloc_log_map_size[i]*sizeof(cl_alloc_log_item));
}
inited = 1;
}
static void insert_alloc_log_item(void* ptr, size_t sz, char* file, int line)
{
cl_long slot;
int i;
slot = (cl_long)ptr;
slot = (slot>>5) & 0x07;
assert(slot < 8);
cl_alloc_log_item it = malloc(sizeof(cl_alloc_log_item));
assert(it);
it->ptr = ptr;
it->size = sz;
it->file = file;
it->line = line;
pthread_mutex_lock(&cl_alloc_log_lock);
for (i = 0; i < cl_alloc_log_map_size[slot]; i++) {
if (cl_alloc_log_map[slot][i] == NULL) {
break;
}
}
if (i == cl_alloc_log_map_size[slot]) {
cl_alloc_log_map[slot] =
realloc(cl_alloc_log_map[slot], 2*cl_alloc_log_map_size[slot]*sizeof(cl_alloc_log_item));
memset(cl_alloc_log_map[slot] + cl_alloc_log_map_size[slot], 0,
cl_alloc_log_map_size[slot]*sizeof(cl_alloc_log_item));
cl_alloc_log_map_size[slot] = cl_alloc_log_map_size[slot]*2;
}
cl_alloc_log_map[slot][i] = it;
pthread_mutex_unlock(&cl_alloc_log_lock);
}
static void delete_alloc_log_item(void* ptr, char* file, int line)
{
cl_long slot;
int i;
slot = (cl_long)ptr;
slot = (slot>>5) & 0x07;
assert(slot < 8);
pthread_mutex_lock(&cl_alloc_log_lock);
for (i = 0; i < cl_alloc_log_map_size[slot]; i++) {
if (cl_alloc_log_map[slot][i]->ptr == ptr) {
break;
}
}
if (i == cl_alloc_log_map_size[slot]) {
printf("Free at file: %s, line: %d, We can not find the malloc log for this ptr:%p, fatal\n",
file, line, ptr);
assert(0);
}
free(cl_alloc_log_map[slot][i]);
cl_alloc_log_map[slot][i] = NULL;
pthread_mutex_unlock(&cl_alloc_log_lock);
}
LOCAL void* cl_malloc(size_t sz, char* file, int line)
{
void* p = malloc(sz);
assert(p);
insert_alloc_log_item(p, sz, file, line);
return p;
}
LOCAL void*
cl_aligned_malloc(size_t sz, size_t align, char* file, int line)
{
void * p = NULL;
p = memalign(align, sz);
assert(p);
insert_alloc_log_item(p, ((sz + align - 1)/align)*align, file, line);
return p;
}
LOCAL void*
cl_calloc(size_t n, size_t elem_size, char* file, int line)
{
void *p = NULL;
p = calloc(n, elem_size);
assert(p);
insert_alloc_log_item(p, n*elem_size, file, line);
return p;
}
LOCAL void*
cl_realloc(void *ptr, size_t sz, char* file, int line)
{
void *p = NULL;
if (ptr != NULL) {
delete_alloc_log_item(ptr, file, line);
}
p = realloc(ptr, sz);
assert(p);
insert_alloc_log_item(p, sz, file, line);
return p;
}
LOCAL void
cl_free(void *ptr, char* file, int line)
{
if (ptr == NULL)
return;
delete_alloc_log_item(ptr, file, line);
free(ptr);
}
LOCAL void
cl_alloc_report_unfreed(void)
{
}
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