title: android NDK HOWTO get stack trace without backtrace
body: <p>I want to get stack trace when my progrom crash in my .so library, in fact, i call the interface in .so from JNI.</p>
  
  <p>And I follow a old question, but not worked.
  All I get in the dumpBacktrace is the signal handler itself.
  Here's <a href="https://stackoverflow.com/questions/8115192/android-ndk-getting-the-backtrace">the link of old question</a>.</p>
  
  <p>platform: arm, ndk-version: android-ndk-r10d</p>