static void markPhase() {
#ifndef NVALGRIND
// Have valgrind close its eyes while we do the conservative stack and data scanning,
// since we'll be looking at potentially-uninitialized values:
VALGRIND_DISABLE_ERROR_REPORTING;
#endif
TraceStack stack(roots);
collectStackRoots(&stack);
TraceStackGCVisitor visitor(&stack);
for (auto h : *getRootHandles()) {
visitor.visitPotential(h->value);
}
// if (VERBOSITY()) printf("Found %d roots\n", stack.size());
while (void* p = stack.pop()) {
assert(((intptr_t)p) % 8 == 0);
GCAllocation* al = GCAllocation::fromUserData(p);
if (isMarked(al)) {
continue;
}
// printf("Marking + scanning %p\n", p);
setMark(al);
GCKind kind_id = al->kind_id;
if (kind_id == GCKind::UNTRACKED) {
continue;
} else if (kind_id == GCKind::CONSERVATIVE) {
uint32_t bytes = al->kind_data;
visitor.visitPotentialRange((void**)p, (void**)((char*)p + bytes));
} else if (kind_id == GCKind::PYTHON) {
Box* b = reinterpret_cast<Box*>(p);
BoxedClass* cls = b->cls;
if (cls) {
// The cls can be NULL since we use 'new' to construct them.
// An arbitrary amount of stuff can happen between the 'new' and
// the call to the constructor (ie the args get evaluated), which
// can trigger a collection.
ASSERT(cls->gc_visit, "%s", getTypeName(b)->c_str());
cls->gc_visit(&visitor, b);
}
} else {
RELEASE_ASSERT(0, "Unhandled kind: %d", (int)kind_id);
}
}
#ifndef NVALGRIND
VALGRIND_ENABLE_ERROR_REPORTING;
#endif
}
static void markPhase() {
#ifndef NVALGRIND
// Have valgrind close its eyes while we do the conservative stack and data scanning,
// since we'll be looking at potentially-uninitialized values:
VALGRIND_DISABLE_ERROR_REPORTING;
#endif
TraceStack stack(roots);
collectStackRoots(&stack);
TraceStackGCVisitor visitor(&stack);
//if (VERBOSITY()) printf("Found %d roots\n", stack.size());
while (void* p = stack.pop()) {
assert(((intptr_t)p) % 8 == 0);
GCObjectHeader* header = headerFromObject(p);
//printf("%p\n", p);
if (isMarked(header)) {
//printf("Already marked, skipping\n");
continue;
}
//printf("Marking + scanning %p\n", p);
setMark(header);
ASSERT(KIND_OFFSET <= header->kind_id && header->kind_id < KIND_OFFSET + num_kinds, "%p %d", header, header->kind_id);
if (header->kind_id == untracked_kind.kind_id)
continue;
//ASSERT(kind->_cookie == AllocationKind::COOKIE, "%lx %lx", kind->_cookie, AllocationKind::COOKIE);
//AllocationKind::GCHandler gcf = kind->gc_handler;
AllocationKind::GCHandler gcf = handlers[header->kind_id - KIND_OFFSET];
assert(gcf);
//if (!gcf) {
//std::string name = g.func_addr_registry.getFuncNameAtAddress((void*)kind, true);
//ASSERT(gcf, "%p %s", kind, name.c_str());
//}
gcf(&visitor, p);
}
#ifndef NVALGRIND
VALGRIND_ENABLE_ERROR_REPORTING;
#endif
}
static void markPhase() {
TraceStack stack(roots);
collectStackRoots(&stack);
TraceStackGCVisitor visitor(&stack);
//if (VERBOSITY()) printf("Found %d roots\n", stack.size());
while (void* p = stack.pop()) {
assert(((intptr_t)p) % 8 == 0);
GCObjectHeader* header = headerFromObject(p);
//printf("%p\n", p);
if (isMarked(header)) {
//printf("Already marked, skipping\n");
continue;
}
//printf("Marking + scanning %p\n", p);
setMark(header);
ASSERT(KIND_OFFSET <= header->kind_id && header->kind_id < KIND_OFFSET + num_kinds, "%p %d", header, header->kind_id);
if (header->kind_id == untracked_kind.kind_id)
continue;
//ASSERT(kind->_cookie == AllocationKind::COOKIE, "%lx %lx", kind->_cookie, AllocationKind::COOKIE);
//AllocationKind::GCHandler gcf = kind->gc_handler;
AllocationKind::GCHandler gcf = handlers[header->kind_id - KIND_OFFSET];
assert(gcf);
//if (!gcf) {
//std::string name = g.func_addr_registry.getFuncNameAtAddress((void*)kind, true);
//ASSERT(gcf, "%p %s", kind, name.c_str());
//}
gcf(&visitor, p);
}
}
