Ben Konyi
b6284b41e3
This reverts commit 519ee905f9.
Reason for revert: Seeing multiple crashes on Windows
Original change's description:
> [VM] Dart_Initialize no longer crashes after Dart_Cleanup
>
> Change-Id: I3cfdab9553aad045f024b6f9aec0b40b08234007
> Reviewed-on: https://dart-review.googlesource.com/75786
> Reviewed-by: Ryan Macnak <rmacnak@google.com>
> Commit-Queue: Ben Konyi <bkonyi@google.com>
TBR=bkonyi@google.com,rmacnak@google.com,zra@google.com
Change-Id: I33ad79dbc3fcf44f93612ff63bd2d8431f6067c8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/76342
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>
86 lines
2.3 KiB
C++
86 lines
2.3 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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#ifndef RUNTIME_VM_CODE_OBSERVERS_H_
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#define RUNTIME_VM_CODE_OBSERVERS_H_
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#include "vm/allocation.h"
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#include "vm/globals.h"
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namespace dart {
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#ifndef PRODUCT
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class Mutex;
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// An abstract representation of comments associated with the given code
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// object. We assume that comments are sorted by PCOffset.
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class CodeComments : public ValueObject {
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public:
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CodeComments() = default;
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virtual ~CodeComments() = default;
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virtual intptr_t Length() const = 0;
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virtual intptr_t PCOffsetAt(intptr_t index) const = 0;
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virtual const char* CommentAt(intptr_t index) const = 0;
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};
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// Object observing code creation events. Used by external profilers and
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// debuggers to map address ranges to function names.
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class CodeObserver {
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public:
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CodeObserver() {}
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virtual ~CodeObserver() {}
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// Returns true if this observer is active and should be notified
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// about newly created code objects.
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virtual bool IsActive() const = 0;
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// Notify code observer about a newly created code object with the
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// given properties.
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virtual void Notify(const char* name,
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uword base,
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uword prologue_offset,
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uword size,
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bool optimized,
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const CodeComments* comments) = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(CodeObserver);
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};
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class CodeObservers : public AllStatic {
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public:
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static void InitOnce();
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static void Register(CodeObserver* observer);
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// Notify all active code observers about a newly created code object.
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static void NotifyAll(const char* name,
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uword base,
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uword prologue_offset,
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uword size,
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bool optimized,
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const CodeComments* comments);
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// Returns true if there is at least one active code observer.
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static bool AreActive();
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static void DeleteAll();
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static Mutex* mutex() { return mutex_; }
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private:
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static Mutex* mutex_;
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static intptr_t observers_length_;
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static CodeObserver** observers_;
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};
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#endif // !PRODUCT
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} // namespace dart
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#endif // RUNTIME_VM_CODE_OBSERVERS_H_
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