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cfe5e5f075
Also fix stack trace collection to always include invisible frames. It can happen that a visible function is inlined into an invisible function, and we don't expand inlined frames until we print a stack trace. dart2js product x64: compile time: 12.459s VMIsolate(CodeSize): 152292 Isolate(CodeSize): 3343117 ReadOnlyData(CodeSize): 3728928 Instructions(CodeSize): 8677600 Total(CodeSize): 15901937 -> compile time: 14.195s (+13%) VMIsolate(CodeSize): 174034 Isolate(CodeSize): 3892418 (+16%) ReadOnlyData(CodeSize): 5036320 (+35%) Instructions(CodeSize): 8682624 Total(CodeSize): 17785396 (+12%) R=asiva@google.com Review-Url: https://codereview.chromium.org/2687143005 .
52 lines
2 KiB
C++
52 lines
2 KiB
C++
// Copyright (c) 2017, 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_STACK_TRACE_H_
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#define RUNTIME_VM_STACK_TRACE_H_
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#include "vm/allocation.h"
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#include "vm/flag_list.h"
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#include "vm/object.h"
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namespace dart {
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DECLARE_FLAG(bool, show_invisible_frames);
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class StackTraceUtils : public AllStatic {
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public:
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/// Counts the number of stack frames.
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/// Skips over the first |skip_frames|.
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/// If |async_function| is not null, stops at the function that has
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/// |async_function| as its parent.
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static intptr_t CountFrames(Thread* thread,
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int skip_frames,
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const Function& async_function);
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/// Collects |count| frames into |code_array| and |pc_offset_array|.
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/// Writing begins at |array_offset|.
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/// Skips over the first |skip_frames|.
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/// Returns the number of frames collected.
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static intptr_t CollectFrames(Thread* thread,
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const Array& code_array,
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const Array& pc_offset_array,
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intptr_t array_offset,
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intptr_t count,
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int skip_frames);
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/// If |thread| has no async_stack_trace, does nothing.
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/// Populates |async_function| with the top function of the async stack
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/// trace. Populates |async_stack_trace|, |async_code_array|, and
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/// |async_pc_offset_array| with the thread's async_stack_trace.
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/// Returns the length of the asynchronous stack trace.
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static intptr_t ExtractAsyncStackTraceInfo(Thread* thread,
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Function* async_function,
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StackTrace* async_stack_trace,
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Array* async_code_array,
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Array* async_pc_offset_array);
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};
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} // namespace dart
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#endif // RUNTIME_VM_STACK_TRACE_H_
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