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From "Andrey Pavlenko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-5290) [drlvm][jit] SIGSEGV in JIT code
Date Tue, 11 Dec 2007 07:48:43 GMT
[drlvm][jit] SIGSEGV in JIT code
--------------------------------

                 Key: HARMONY-5290
                 URL: https://issues.apache.org/jira/browse/HARMONY-5290
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
         Environment: Linux x86/x64
            Reporter: Andrey Pavlenko
            Priority: Critical


The following test causes VM crash.  I've marked this issue as critical because it seems to
be a regression and causes an error of the functional test http://people.apache.org/~smishura/r602572/Linux_x86/func/functional/org/apache/harmony/test/func/jit/HLO/peel/LoopVar2/738_LoopVar2.html

public class Test {

    boolean flag = false;

    public static void main(String[] args) {
        System.exit((new Test()).test());
    }

    public int test() {
        int limit = 100000;
        int i = -1;
        int k = -1;
        while (k < limit) {
            k++;
            for (i = 0; i < k; i++) {
                flag = true;
            }
        }
        return ((k == limit) && (i == limit)) ? 0 : 1;
    }
}

SIGSEGV in VM code.
Stack trace:
  0: Jitrino::ControlFlowGraph::addEdge(Jitrino::Node*, Jitrino::Node*, Jitrino::Edge*, double)
(walkers.cpp:-1)
  1: Jitrino::ControlFlowGraph::addEdge(Jitrino::Node*, Jitrino::Node*, double) (walkers.cpp:-1)
  2: Jitrino::FlowGraph::doTranslatorCleanupPhase(Jitrino::IRManager&) (walkers.cpp:-1)
  3: Jitrino::TranslatorSession::postTranslatorCleanup() (walkers.cpp:-1)
  4: Jitrino::TranslatorSession::run() (walkers.cpp:-1)
  5: Jitrino::runPipeline(Jitrino::CompilationContext*) (walkers.cpp:-1)
  6: Jitrino::compileMethod(Jitrino::CompilationContext*) (walkers.cpp:-1)
  7: Jitrino::Jitrino::CompileMethod(Jitrino::CompilationContext*) (walkers.cpp:-1)
  8: JIT_compile_method_with_params (??:-1)
  9: Dll_JIT::compile_method_with_params(void*, Method*, OpenMethodExecutionParams) (apr_strtok.c:-1)
 10: compile_do_compilation_jit(Method*, JIT*) (apr_strtok.c:-1)
 11: vm_compile_method (??:-1)
 12: DrlEMImpl::methodProfileIsReady(MethodProfile*) (inet_pton.c:-1)
 13: EBProfileCollector::onTimeout() (inet_pton.c:-1)
 14: DrlEMImpl::tbsTimeout() (inet_pton.c:-1)
 15: ProfilerThreadTimeout (em_intf.cpp:-1)
 16: Java_java_lang_EMThreadSupport_onTimeout (??:-1)
 17: 0xA6093C26  <Generated stub>
 18: java/lang/EMThreadSupport.run()V (EMThreadSupport.java:68)
 19: java/lang/EMThreadSupport$1.run()V (EMThreadSupport.java:44)
 20: java/lang/Thread.run()V (Thread.java:657)
 21: java/lang/Thread.runImpl()V (Thread.java:668)
 22: ?? (??:-1)
 23: .L294 (ini_iA32.cpp:-1)
 24: DrlEMImpl::executeMethod(_jmethodID*, jvalue*, jvalue*) (inet_pton.c:-1)
 25: ExecuteMethod (em_intf.cpp:-1)
 26: vm_execute_java_method_array (apr_strtok.c:-1)
 27: call_method_no_ref_result(JNIEnv_External*, _jobject*, _jmethodID*, jvalue*, jvalue*,
int) (jni_method.cpp:-1)
 28: CallVoidMethodA(JNIEnv_External*, _jobject*, _jmethodID*, jvalue*) (apr_strtok.c:-1)
 29: jthread_wrapper_start_proc(void*) (apr_strtok.c:-1)
 30: start_thread (??:-1)
 31: clone (??:-1)
<end of stack trace>
Segmentation fault




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