jboolean initGC(Options* options) {
GC_set_no_dls(1);
GC_set_java_finalization(1);
GC_INIT();
if (options->maxHeapSize > 0) {
GC_set_max_heap_size(options->maxHeapSize);
}
if (options->initialHeapSize > 0) {
size_t now = GC_get_heap_size();
if (options->initialHeapSize > now) {
GC_expand_hp(options->initialHeapSize - now);
}
}
objectGCKind = GC_new_kind(GC_new_free_list(), GC_MAKE_PROC(GC_new_proc(markObject), 0), 0, 1);
largeArrayGCKind = GC_new_kind(GC_new_free_list(), GC_DS_LENGTH, 1, 1);
atomicObjectGCKind = GC_new_kind(GC_new_free_list(), GC_DS_LENGTH, 0, 1);
referentEntryGCKind = gcNewDirectBitmapKind(REFERENT_ENTRY_GC_BITMAP);
if (rvmInitMutex(&referentsLock) != 0) {
return FALSE;
}
if (rvmInitMutex(&gcRootsLock) != 0) {
return FALSE;
}
GC_set_warn_proc(gcWarnProc);
return TRUE;
}
void BuildPrefixGCDescriptor(unsigned prefix_len)
{
if (prefix_len) {
GC_word bits[1] = { 0 };
unsigned i;
const UInt wordsInBagHeader = sizeof(BagHeader) / sizeof(Bag);
for (i = 0; i < prefix_len; i++)
GC_set_bit(bits, (i + wordsInBagHeader));
GCDesc[prefix_len] =
GC_make_descriptor(bits, prefix_len + wordsInBagHeader);
GC_set_bit(bits, 0);
GCMDesc[prefix_len] =
GC_make_descriptor(bits, prefix_len + wordsInBagHeader);
}
else {
GCDesc[prefix_len] = GC_DS_LENGTH;
GCMDesc[prefix_len] = GC_DS_LENGTH | sizeof(void *);
}
GCKind[prefix_len] =
GC_new_kind(GC_new_free_list(), GCDesc[prefix_len], 0, 1);
GCMKind[prefix_len] =
GC_new_kind(GC_new_free_list(), GCMDesc[prefix_len], 0, 0);
}
jboolean initGC(Options* options) {
GC_INIT();
GC_set_java_finalization(1);
if (options->maxHeapSize > 0) {
GC_set_max_heap_size(options->maxHeapSize);
}
if (options->initialHeapSize > 0) {
size_t now = GC_get_heap_size();
if (options->initialHeapSize > now) {
GC_expand_hp(options->initialHeapSize - now);
}
}
object_gc_kind = GC_new_kind(GC_new_free_list(), GC_MAKE_PROC(GC_new_proc(markObject), 0), 0, 1);
if (rvmInitMutex(&referentsLock) != 0) {
return FALSE;
}
return TRUE;
}
uint32_t gcNewDirectBitmapKind(uint32_t bitmap) {
assert((bitmap & GC_DS_TAGS) == 0);
return GC_new_kind(GC_new_free_list(), bitmap | GC_DS_BITMAP, 0, 1);
}
