This is the hello.ii_g++, hello.s_g++ and hello.o_g++ for save-temps with g++. The g++ executable fails whereas the gcc executable runs fine.

The gcc equivalent files (ii, o, s) are also attached. Please let me know if you need anything else.



-----Original Message-----
From: <email address hidden> [mailto:<email address hidden>] On Behalf Of Matthew Gretton-Dann
Sent: 26 July 2013 09:55
To: Varun Mallikarjunan
Subject: [Bug 1197039] Re: 32bit Dynamically Linked App crashes without any prints on Linux Kernel 3.3 when compiled with Linaro GCC 2013.06) 4.8.2 20130603 (prerelease)

Hi,

To help me identify what is going on it would be useful if you could provide the following information:
 * The output of -save-temps for all invocations of the compiler (this will be .s and .o files)
 * The ARM core you are running on

Thanks,

Matt

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https://bugs.launchpad.net/bugs/1197039

Title:
  32bit Dynamically Linked App crashes without any prints on Linux
  Kernel 3.3 when compiled with Linaro GCC 2013.06) 4.8.2 20130603
  (prerelease)

Status in Linaro GCC:
  New
Status in Linaro:
  New

Bug description:
  When we try to compile and run a simple hello_world program:

  We compiled with:
  linaro/gnueabi/2013.06-20130621/bin/arm-linux-gnueabihf-gcc -g -O2 -Wall -march=armv8-a -o hello_new hello.cpp ------> This runs fine.

  BUT when we compile the same with g++:
  linaro/gnueabi/2013.06-20130621/bin/arm-linux-gnueabihf-g++ -g -O2 -Wall  -march=armv8-a -o hello_new hello.cpp ------> It crashes with no prints on Linux 3.3 kernel version.

  ALSO,
  Static linking with linaro/gnueabi/2013.06-20130621/bin/arm-linux-gnueabihf-g++ -g -O2 -Wall -static -march=armv8-a -o hello_new hello.cpp ----> WORKS without any crash/issues.

  This is what we have in the cpp file:
  #include <stdio.h>

  int main()
  {
      printf("Hello World\n");

      return 0;
  }

  These are the libraries under /lib of our Linux Kernel:

  ld-2.15.so
  libSegFault.so
  libc.so.6
   libcrypt.so.1
  libgcc_s.so.1
   libnsl-2.15.so
      libnss_dns-2.15.so
    libnss_hesiod-2.15.so
   libnss_nisplus-2.15.so
   libpthread.so.0
   librt.so.1
      libthread_db-1.0.so
  ld-linux.so.3
     libanl-2.15.so
   libcidn-2.15.so
  libdl-2.15.so
    libm-2.15.so
     libnsl.so.1
      libnss_dns.so.2
      libnss_hesiod.so.2
   libnss_nisplus.so.2
    libresolv-2.15.so
   libstdc++.so
   libthread_db.so.1
  libBrokenLocale-2.15.so
    libanl.so.1
  libcidn.so.1
    libdl.so.2
    libm.so.6
    libnss_compat-2.15.so
   libnss_files-2.15.so
   libnss_nis-2.15.so
   libpcprofile.so
   libresolv.so.2
  libstdc++.so.6
    libutil-2.15.so
  libBrokenLocale.so.1
    libc-2.15.so
   libcrypt-2.15.so
   libgcc_s.so
  libmemusage.so
  libnss_compat.so.2
   libnss_files.so.2
    libnss_nis.so.2
  libpthread-2.15.so
   librt-2.15.so
   libstdc++.so.6.0.18
  libutil.so.1

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