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POincomplete backtrace in logcat
 

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    <p>When my Android app crashes (or hits an assert), I never get more than four lines of backtrace. Searching for similar problems, I've only found one or two places where this is mentioned and the stock responses are: "make sure it's a debug build" and "you probably have stack corruption". I have seen many crashes occur in many places with accurate-looking frames and no evidence of corruption.</p> <p>Here's a typical excerpt taken from `adb logcat' following an assert failure in a debug build:</p> <pre><code>I/DEBUG ( 187): d28 3f824fc6ced25306 d29 3fabdfebb8fe14dc I/DEBUG ( 187): d30 fff0000000000000 d31 fffffffeffffffd2 I/DEBUG ( 187): scr 88000010 I/DEBUG ( 187): I/DEBUG ( 187): backtrace: I/DEBUG ( 187): #00 pc 00018516 /system/lib/libc.so I/DEBUG ( 187): #01 pc 0000dc44 /system/lib/libc.so (abort+4) I/DEBUG ( 187): #02 pc 0000168d /system/lib/liblog.so (__android_log_assert+88) I/DEBUG ( 187): #03 pc 00170bcc /data/data/com.jsam.crag/lib/libmain.so (sim::TouchObserverController::HandleEvent(SDL_Event const&amp;)+340) I/DEBUG ( 187): I/DEBUG ( 187): stack: I/DEBUG ( 187): 6f4be770 6f4be76c [stack:17025] I/DEBUG ( 187): 6f4be774 00000000 I/DEBUG ( 187): 6f4be778 00000000 </code></pre> <p>As you can see, most of the available backtrace isn't even in my own code. I'm developing on a developer edition HTC One with out-of-box OS, using release 8e of the NDK and building against android-10, although android-15 is no different. I'm using toolchain v4.7, the gnustl_static STL and my C++ flags are:</p> <pre><code>-std=c++11 -g -pthread -DPROFILE -D__STRICT_ANSI__ -DdSINGLE -Wall -Wextra -Wfatal-errors -fno-rtti -fno-exceptions </code></pre> <p>How would I go about getting longer (preferably complete) backtraces?</p>
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    1. USJohn McFarlane
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