Differences From Artifact [bbd4fbe6f2]:
- File
src/runtime/dtable.m
— part of check-in
[d3158d091f]
at
2016-01-05 22:00:03
on branch trunk
— (u)int_fast*_t -> (u)int*_t
(U)INT_FAST*_MAX is broken on Android, which makes (u)int_fast*_t
dangerous to use while it does not provide any real speed benefit. (user: js, size: 4313) [annotate] [blame] [check-ins using]
To Artifact [f7fe271509]:
- File src/runtime/dtable.m — part of check-in [e0b9167693] at 2016-02-21 15:37:42 on branch trunk — Make use of C99-style for loops (user: js, size: 4304) [annotate] [blame] [check-ins using]
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#ifdef OF_SELUID24
static struct objc_dtable_level3 *empty_level3 = NULL;
#endif
static void
init(void)
{
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#ifdef OF_SELUID24
static struct objc_dtable_level3 *empty_level3 = NULL;
#endif
static void
init(void)
{
empty_level2 = malloc(sizeof(struct objc_dtable_level2));
if (empty_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)
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;
}
#else
for (uint_fast16_t i = 0; i < 256; i++)
empty_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)
init();
#else
if (empty_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;
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)
continue;
#ifdef OF_SELUID24
for (uint_fast16_t j = 0; j < 256; j++) {
if (src->buckets[i]->buckets[j] == empty_level3)
continue;
for (uint_fast16_t k = 0; k < 256; k++) {
IMP obj;
uint32_t idx;
obj = src->buckets[i]->buckets[j]->buckets[k];
if (obj == (IMP)0)
continue;
idx = (uint32_t)
(((uint32_t)i << 16) | (j << 8) | k);
objc_dtable_set(dst, idx, obj);
}
}
#else
for (uint_fast16_t j = 0; j < 256; j++) {
IMP obj = src->buckets[i]->buckets[j];
uint32_t idx;
if (obj == (IMP)0)
continue;
idx = (uint32_t)((i << 8) | j);
objc_dtable_set(dst, idx, obj);
}
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uint8_t k = idx;
#else
uint8_t i = idx >> 8;
uint8_t j = idx;
#endif
if (dtable->buckets[i] == empty_level2) {
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uint8_t k = idx;
#else
uint8_t i = idx >> 8;
uint8_t j = idx;
#endif
if (dtable->buckets[i] == empty_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;
#else
level2->buckets[l] = (IMP)0;
#endif
dtable->buckets[i] = level2;
}
#ifdef OF_SELUID24
if (dtable->buckets[i]->buckets[j] == empty_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++)
level3->buckets[l] = (IMP)0;
dtable->buckets[i]->buckets[j] = level3;
}
dtable->buckets[i]->buckets[j]->buckets[k] = obj;
#else
dtable->buckets[i]->buckets[j] = obj;
#endif
}
void
objc_dtable_free(struct objc_dtable *dtable)
{
for (uint_fast16_t i = 0; i < 256; i++) {
if (dtable->buckets[i] == empty_level2)
continue;
#ifdef OF_SELUID24
for (uint_fast16_t j = 0; j < 256; j++)
if (dtable->buckets[i]->buckets[j] != empty_level3)
free(dtable->buckets[i]->buckets[j]);
#endif
free(dtable->buckets[i]);
}
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