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#include <stdio.h>
#include <stdlib.h>
#import "runtime.h"
#import "runtime-private.h"
#import "globals.h"
static struct objc_dtable_level2 *empty_level2 = NULL;
#ifdef OF_SELUID24
static struct objc_dtable_level3 *empty_level3 = NULL;
#endif
empty_level2 = malloc(sizeof(struct objc_dtable_level2));
if (empty_level2 == NULL)
empty_dtable_level2 = malloc(sizeof(struct objc_dtable_level2));
if (empty_dtable_level2 == NULL)
OBJC_ERROR("Not enough memory to allocate dtable!");
#ifdef OF_SELUID24
empty_level3 = malloc(sizeof(struct objc_dtable_level3));
if (empty_level3 == NULL)
empty_dtable_level3 = malloc(sizeof(struct objc_dtable_level3));
if (empty_dtable_level3 == NULL)
OBJC_ERROR("Not enough memory to allocate dtable!");
#endif
#ifdef OF_SELUID24
for (uint_fast16_t i = 0; i < 256; i++) {
empty_level2->buckets[i] = empty_level3;
empty_level3->buckets[i] = (IMP)0;
empty_dtable_level2->buckets[i] = empty_dtable_level3;
empty_dtable_level3->buckets[i] = (IMP)0;
}
#else
for (uint_fast16_t i = 0; i < 256; i++)
empty_level2->buckets[i] = (IMP)0;
empty_dtable_level2->buckets[i] = (IMP)0;
#endif
}
struct objc_dtable *
objc_dtable_new(void)
{
struct objc_dtable *dtable;
#ifdef OF_SELUID24
if (empty_level2 == NULL || empty_level3 == NULL)
if (empty_dtable_level2 == NULL || empty_dtable_level3 == NULL)
init();
#else
if (empty_level2 == NULL)
if (empty_dtable_level2 == NULL)
init();
#endif
if ((dtable = malloc(sizeof(struct objc_dtable))) == NULL)
OBJC_ERROR("Not enough memory to allocate dtable!");
for (uint_fast16_t i = 0; i < 256; i++)
dtable->buckets[i] = empty_level2;
dtable->buckets[i] = empty_dtable_level2;
return dtable;
}
void
objc_dtable_copy(struct objc_dtable *dst, struct objc_dtable *src)
{
for (uint_fast16_t i = 0; i < 256; i++) {
if (src->buckets[i] == empty_level2)
if (src->buckets[i] == empty_dtable_level2)
continue;
#ifdef OF_SELUID24
for (uint_fast16_t j = 0; j < 256; j++) {
if (src->buckets[i]->buckets[j] == empty_level3)
if (src->buckets[i]->buckets[j] == empty_dtable_level3)
continue;
for (uint_fast16_t k = 0; k < 256; k++) {
IMP obj;
uint32_t idx;
obj = src->buckets[i]->buckets[j]->buckets[k];
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uint8_t j = idx >> 8;
uint8_t k = idx;
#else
uint8_t i = idx >> 8;
uint8_t j = idx;
#endif
if (dtable->buckets[i] == empty_level2) {
if (dtable->buckets[i] == empty_dtable_level2) {
struct objc_dtable_level2 *level2 =
malloc(sizeof(struct objc_dtable_level2));
if (level2 == NULL)
OBJC_ERROR("Not enough memory to insert into dtable!");
for (uint_fast16_t l = 0; l < 256; l++)
#ifdef OF_SELUID24
level2->buckets[l] = empty_level3;
level2->buckets[l] = empty_dtable_level3;
#else
level2->buckets[l] = (IMP)0;
#endif
dtable->buckets[i] = level2;
}
#ifdef OF_SELUID24
if (dtable->buckets[i]->buckets[j] == empty_level3) {
if (dtable->buckets[i]->buckets[j] == empty_dtable_level3) {
struct objc_dtable_level3 *level3 =
malloc(sizeof(struct objc_dtable_level3));
if (level3 == NULL)
OBJC_ERROR("Not enough memory to insert into dtable!");
for (uint_fast16_t l = 0; l < 256; l++)
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#endif
}
void
objc_dtable_free(struct objc_dtable *dtable)
{
for (uint_fast16_t i = 0; i < 256; i++) {
if (dtable->buckets[i] == empty_level2)
if (dtable->buckets[i] == empty_dtable_level2)
continue;
#ifdef OF_SELUID24
for (uint_fast16_t j = 0; j < 256; j++)
if (dtable->buckets[i]->buckets[j] != empty_level3)
if (dtable->buckets[i]->buckets[j] !=
empty_dtable_level3)
free(dtable->buckets[i]->buckets[j]);
#endif
free(dtable->buckets[i]);
}
free(dtable);
}
void
objc_dtable_cleanup(void)
{
if (empty_level2 != NULL)
free(empty_level2);
if (empty_dtable_level2 != NULL)
free(empty_dtable_level2);
#ifdef OF_SELUID24
if (empty_level3 != NULL)
free(empty_level3);
if (empty_dtable_level3 != NULL)
free(empty_dtable_level3);
#endif
empty_level2 = NULL;
empty_dtable_level2 = NULL;
#ifdef OF_SELUID24
empty_level3 = NULL;
empty_dtable_level3 = NULL;
#endif
}
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