96ef78aa0b
This is a workaround to make the debugger happy about TurboFan frames when the debugger causes frame inspection. Note that this can happen because the debugger can be activated while there still are optimized TurboFan activations on the stack. R=ishell@chromium.org BUG=chromium:465298 TEST=mjsunit/regress/regress-crbug-465298 LOG=N Review URL: https://codereview.chromium.org/1074793003 Cr-Commit-Position: refs/heads/master@{#27717}
56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --noturbo-osr --expose-debug-as debug
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var stdlib = this;
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var buffer = new ArrayBuffer(64 * 1024);
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var foreign = { thrower: thrower, debugme: debugme }
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// Get the Debug object exposed from the debug context global object.
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Debug = debug.Debug;
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var listenerCalled = false;
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function listener(event, exec_state, event_data, data) {
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try {
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if (event == Debug.DebugEvent.Break) {
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var frame = exec_state.frame(1);
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assertEquals(m.foo, frame.func().value());
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listenerCalled = true;
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}
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} catch (e) {
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print("Caught: " + e + " " + e.stack);
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};
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}
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function thrower() { throw "boom"; }
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function debugme() { Debug.setListener(listener); debugger; }
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function Module(stdlib, foreign, heap) {
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"use asm";
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var thrower = foreign.thrower;
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var debugme = foreign.debugme;
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function foo(i) {
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i = i|0;
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var a = 101; // Local variables exist ...
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var b = 102; // ... to make the debugger ...
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var c = 103; // ... inspect them during break.
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if (i > 0) {
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debugme();
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i = 23;
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} else {
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thrower();
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i = 42;
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}
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return i|0;
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}
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return { foo: foo };
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}
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var m = Module(stdlib, foreign, buffer);
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assertThrows("m.foo(0)");
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assertEquals(23, m.foo(1));
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assertTrue(listenerCalled);
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