Ryan Macnak
dd83f15826
TEST=ci Change-Id: I033bb30e86dfc66ddeb7316a625e3f8925528a19 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/183784 Reviewed-by: Liam Appelbe <liama@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
// Copyright (c) 2011, 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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#ifndef RUNTIME_VM_HEAP_VERIFIER_H_
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#define RUNTIME_VM_HEAP_VERIFIER_H_
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#include "vm/flags.h"
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#include "vm/globals.h"
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#include "vm/handle_visitor.h"
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#include "vm/handles.h"
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#include "vm/thread.h"
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#include "vm/visitor.h"
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namespace dart {
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// Forward declarations.
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class IsolateGroup;
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class ObjectSet;
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enum MarkExpectation { kForbidMarked, kAllowMarked, kRequireMarked };
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class VerifyObjectVisitor : public ObjectVisitor {
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public:
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VerifyObjectVisitor(IsolateGroup* isolate_group,
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ObjectSet* allocated_set,
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MarkExpectation mark_expectation)
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: isolate_group_(isolate_group),
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allocated_set_(allocated_set),
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mark_expectation_(mark_expectation) {}
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virtual void VisitObject(ObjectPtr obj);
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private:
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IsolateGroup* isolate_group_;
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ObjectSet* allocated_set_;
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MarkExpectation mark_expectation_;
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DISALLOW_COPY_AND_ASSIGN(VerifyObjectVisitor);
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};
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// A sample object pointer visitor implementation which verifies that
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// the pointers visited are contained in the isolate heap.
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class VerifyPointersVisitor : public ObjectPointerVisitor {
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public:
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explicit VerifyPointersVisitor(IsolateGroup* isolate_group,
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ObjectSet* allocated_set)
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: ObjectPointerVisitor(isolate_group), allocated_set_(allocated_set) {}
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void VisitPointers(ObjectPtr* first, ObjectPtr* last);
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void VisitCompressedPointers(uword heap_base,
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CompressedObjectPtr* first,
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CompressedObjectPtr* last);
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static void VerifyPointers(MarkExpectation mark_expectation = kForbidMarked);
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private:
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ObjectSet* allocated_set_;
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DISALLOW_COPY_AND_ASSIGN(VerifyPointersVisitor);
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};
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class VerifyWeakPointersVisitor : public HandleVisitor {
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public:
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explicit VerifyWeakPointersVisitor(VerifyPointersVisitor* visitor)
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: HandleVisitor(Thread::Current()), visitor_(visitor) {}
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virtual void VisitHandle(uword addr);
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private:
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ObjectPointerVisitor* visitor_;
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ObjectSet* allocated_set;
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DISALLOW_COPY_AND_ASSIGN(VerifyWeakPointersVisitor);
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};
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#if defined(DEBUG)
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class VerifyCanonicalVisitor : public ObjectVisitor {
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public:
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explicit VerifyCanonicalVisitor(Thread* thread);
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virtual void VisitObject(ObjectPtr obj);
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private:
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Thread* thread_;
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Instance& instanceHandle_;
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DISALLOW_COPY_AND_ASSIGN(VerifyCanonicalVisitor);
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};
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#endif // defined(DEBUG)
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} // namespace dart
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#endif // RUNTIME_VM_HEAP_VERIFIER_H_
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