75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
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// Copyright 2016 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: --expose-wasm --expose-debug-as debug
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load("test/mjsunit/wasm/wasm-constants.js");
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load("test/mjsunit/wasm/wasm-module-builder.js");
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Debug = debug.Debug
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var exception = null;
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var break_count = 0;
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const expected_num_frames = 5;
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const expected_wasm_frames = [false, true, true, false, false];
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const expected_wasm_positions = [0, 1, 2, 0, 0];
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const expected_function_names = ["call_debugger", "wasm_2", "wasm_1", "testFrameInspection", ""];
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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++break_count;
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try {
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var break_id = exec_state.break_id;
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var frame_count = exec_state.frameCount();
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assertEquals(expected_num_frames, frame_count);
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for (var i = 0; i < frame_count; ++i) {
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var frame = exec_state.frame(i);
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// wasm frames have unresolved function, others resolved ones.
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assertEquals(expected_wasm_frames[i], !frame.func().resolved());
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assertEquals(expected_function_names[i], frame.func().name());
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if (expected_wasm_frames[i]) {
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var script = frame.details().script();
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assertNotNull(script);
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assertEquals(expected_wasm_positions[i], frame.details().sourcePosition());
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var loc = script.locationFromPosition(frame.details().sourcePosition());
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assertEquals(expected_wasm_positions[i], loc.column);
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assertEquals(expected_wasm_positions[i], loc.position);
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}
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}
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} catch (e) {
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exception = e;
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}
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};
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var builder = new WasmModuleBuilder();
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// wasm_1 calls wasm_2 on offset 2.
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// wasm_2 calls call_debugger on offset 1.
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builder.addImport("func", kSig_v_v);
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builder.addFunction("wasm_1", kSig_v_v)
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.addBody([kExprNop, kExprCallFunction, kArity0, 1])
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.exportAs("main");
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builder.addFunction("wasm_2", kSig_v_v)
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.addBody([kExprCallImport, kArity0, 0]);
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function call_debugger() {
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debugger;
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}
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var module = builder.instantiate({func: call_debugger});
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(function testFrameInspection() {
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Debug.setListener(listener);
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module.exports.main();
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Debug.setListener(null);
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assertEquals(1, break_count);
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if (exception) throw exception;
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})();
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