Ryan Macnak
81a7f3e131
- Serial scavenge - Serial marking - Redudant safepoint operation scope - Redudant Thread::Current - Unused HandleVisitor::thread_ - Profile tag updates in PRODUCT mode - Freelist printing TEST=ci Change-Id: I2de4c50df37c7ebe9d267514bcbd548dd61a5a57 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/426582 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
104 lines
2.8 KiB
C++
104 lines
2.8 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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void VisitObject(ObjectPtr obj) override;
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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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VerifyPointersVisitor(IsolateGroup* isolate_group,
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ObjectSet* allocated_set,
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const char* msg)
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: ObjectPointerVisitor(isolate_group),
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allocated_set_(allocated_set),
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msg_(msg) {
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ASSERT(msg_ != nullptr);
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}
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void VisitPointers(ObjectPtr* first, ObjectPtr* last) override;
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#if defined(DART_COMPRESSED_POINTERS)
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void VisitCompressedPointers(uword heap_base,
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CompressedObjectPtr* first,
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CompressedObjectPtr* last) override;
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#endif
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static void VerifyPointers(const char* msg,
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MarkExpectation mark_expectation = kForbidMarked);
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private:
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ObjectSet* allocated_set_;
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const char* msg_;
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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(), visitor_(visitor) {}
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void VisitHandle(uword addr) override;
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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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void VisitObject(ObjectPtr obj) override;
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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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