Ryan Macnak
e50470568b
This is already skipped for AOT and is unfixable after the DropTransitiveUserDefinedConstants optimizations. This is already skipped for reload and is unfixable for issues related to 40442. The non-reload JIT case isn't very interesting since each kernel constant will be loaded only once anyway. TEST=ci Bug: https://github.com/dart-lang/sdk/issues/27003 Bug: https://github.com/dart-lang/sdk/issues/44862 Change-Id: I0676a96426142600f4ed9ec638b344a858aab7dd Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/314480 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/heap/verifier.h"
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#include "platform/assert.h"
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#include "vm/dart.h"
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#include "vm/dart_api_state.h"
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#include "vm/heap/heap.h"
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#include "vm/isolate.h"
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#include "vm/object.h"
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#include "vm/object_set.h"
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#include "vm/raw_object.h"
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#include "vm/stack_frame.h"
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namespace dart {
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void VerifyObjectVisitor::VisitObject(ObjectPtr obj) {
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ASSERT(obj->IsHeapObject());
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uword addr = UntaggedObject::ToAddr(obj);
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if (obj->IsFreeListElement() || obj->IsForwardingCorpse()) {
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if (obj->IsOldObject() && obj->untag()->IsMarked()) {
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FATAL("Marked free list element encountered %#" Px "\n", addr);
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}
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} else {
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switch (mark_expectation_) {
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case kForbidMarked:
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if (obj->IsOldObject() && obj->untag()->IsMarked()) {
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FATAL("Marked object encountered %#" Px "\n", addr);
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}
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break;
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case kAllowMarked:
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break;
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case kRequireMarked:
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if (obj->IsOldObject() && !obj->untag()->IsMarked()) {
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FATAL("Unmarked object encountered %#" Px "\n", addr);
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}
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break;
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}
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allocated_set_->Add(obj);
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}
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obj->Validate(isolate_group_);
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}
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void VerifyPointersVisitor::VisitPointers(ObjectPtr* from, ObjectPtr* to) {
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for (ObjectPtr* ptr = from; ptr <= to; ptr++) {
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ObjectPtr obj = *ptr;
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if (obj->IsHeapObject()) {
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if (!allocated_set_->Contains(obj)) {
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if (obj->IsInstructions() &&
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allocated_set_->Contains(Page::ToWritable(obj))) {
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continue;
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}
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FATAL("%s: Invalid pointer: *0x%" Px " = 0x%" Px "\n", msg_,
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reinterpret_cast<uword>(ptr), static_cast<uword>(obj));
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}
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}
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}
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}
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#if defined(DART_COMPRESSED_POINTERS)
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void VerifyPointersVisitor::VisitCompressedPointers(uword heap_base,
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CompressedObjectPtr* from,
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CompressedObjectPtr* to) {
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for (CompressedObjectPtr* ptr = from; ptr <= to; ptr++) {
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ObjectPtr obj = ptr->Decompress(heap_base);
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if (obj->IsHeapObject()) {
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if (!allocated_set_->Contains(obj)) {
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if (obj->IsInstructions() &&
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allocated_set_->Contains(Page::ToWritable(obj))) {
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continue;
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}
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FATAL("%s: Invalid pointer: *0x%" Px " = 0x%" Px "\n", msg_,
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reinterpret_cast<uword>(ptr), static_cast<uword>(obj));
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}
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}
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}
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}
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#endif
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void VerifyWeakPointersVisitor::VisitHandle(uword addr) {
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FinalizablePersistentHandle* handle =
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reinterpret_cast<FinalizablePersistentHandle*>(addr);
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ObjectPtr raw_obj = handle->ptr();
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visitor_->VisitPointer(&raw_obj);
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}
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void VerifyPointersVisitor::VerifyPointers(const char* msg,
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MarkExpectation mark_expectation) {
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Thread* thread = Thread::Current();
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auto isolate_group = thread->isolate_group();
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HeapIterationScope iteration(thread);
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StackZone stack_zone(thread);
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ObjectSet* allocated_set = isolate_group->heap()->CreateAllocatedObjectSet(
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stack_zone.GetZone(), mark_expectation);
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VerifyPointersVisitor visitor(isolate_group, allocated_set, msg);
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// Visit all strongly reachable objects.
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iteration.IterateObjectPointers(&visitor, ValidationPolicy::kValidateFrames);
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VerifyWeakPointersVisitor weak_visitor(&visitor);
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// Visit weak handles and prologue weak handles.
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isolate_group->VisitWeakPersistentHandles(&weak_visitor);
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}
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} // namespace dart
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