79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "jni.h"
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#include "libTestDwarfHelper.h"
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#include <stdio.h>
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int zero = 0;
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int result = 0;
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int limit = 20;
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// Just big enough by doing some random things such that it is not inlined.
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void foo(int x) {
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printf("foo3:");
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printf(" %d\n", x);
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for (int i = 0; i < limit; i++) {
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result += zero + i;
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}
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if (x == 3) {
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for (int i = 0; i < limit; i++) {
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result -= zero + i;
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}
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result = 3 / zero; // Crash
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} else {
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for (int i = 0; i < limit; i++) {
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result -= zero + i;
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}
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result = 3 / 2; // No crash
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}
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for (int i = 0; i < limit; i++) {
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for (int j = zero; j < limit; j++) {
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result += zero - i;
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}
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}
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}
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JNIEXPORT void JNICALL Java_TestDwarf_crashNativeDivByZero(JNIEnv* env, jclass jclazz) {
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limit = 21;
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foo(34 / zero); // Crash
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}
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JNIEXPORT void JNICALL Java_TestDwarf_crashNativeDereferenceNull(JNIEnv* env, jclass jclazz) {
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dereference_null();
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}
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JNIEXPORT void JNICALL Java_TestDwarf_crashNativeMultipleMethods(JNIEnv* env, jclass jclazz, jint x) {
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// foo() is not inlined
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foo(x - 2);
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foo(x - 1);
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foo(x);
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for (int i = 0; i < limit; i++) {
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result += zero + i;
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}
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for (int i = 0; i < limit; i++) {
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result += zero + i;
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}
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}
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