58 lines
2 KiB
Java
58 lines
2 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public class StackWalk2 {
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// use v1 for this
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String str = new String(); // use v0 for str in <init>
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int f() {
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g(1); // use v0 for 1, v1 for this
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g(2); // use v0 for 2, v1 for this
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strTest(); // use v1 for this
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return 0;
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}
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void g(int num_calls) throws RuntimeException {
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if (num_calls == 1) { // use v0 for 1, v3 for num_calls
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System.logI("1st call"); // use v0 for PrintStream, v1 for "1st call"
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refmap2(24); // use v0 for 24, v2 for this
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} else if (num_calls == 2) { // use v0 for 2, v3 for num_calls
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System.logI("2nd call"); // use v0 for PrintStream, v1 for "2nd call"
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refmap2(25); // use v0 for 24, v2 for this
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}
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throw new RuntimeException(); // use v0 for new RuntimeException
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}
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void strTest() {
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System.logI(str); // use v1 for PrintStream, v2, v3 for str
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str = null; // use v1 for null, v3 for str
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str = new String("ya"); // use v2 for "ya", v1 for new String
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String s = str; // use v0, v1, v3
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System.logI(str); // use v1 for PrintStream, v2, v3 for str
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System.logI(s); // use v1 for PrintStream, v0 for s
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s = null; // use v0
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System.logI(s); // use v1 for PrintStream, v0 for s
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}
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native int refmap2(int x);
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public static void main(String[] args) {
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System.loadLibrary(args[0]);
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StackWalk2 st = new StackWalk2();
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st.f();
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}
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}
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