´╗┐On 11-10-16 08:51, Edward Wingate wrote:
I cross-compiled an application to run on Linux on the Zynq-7020.
Trying to execute it gives "No such file or directory" error.

# file app_hello.elf
app_hello.elf: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV),
dynamically linked, interpreter /lib/ld-linux-armhf.so.3, for
GNU/Linux 4.4.0,
BuildID[sha1]=06498863e79d3eabe670610b2cbb0440272f047e, not stripped

I don't have /lib/ld-linux-armhf.so.3, but I do have
/lib/ld-linux.so.3.  I symlinked ld-linux-armhf.so.3 to ld-linux.so.3
and my application runs fine now.

Where did things go wrong?  Is my Yocto build not properly creating
ld-linux-armhf.so.3?  Or is my application cross-compilation using the
wrong ld-linux?  I'm using Xilinx SDK 2016.2 to cross-compile the
Linux application.

I suspect one of your toolchains is using hard-float ABI and the other soft-float. This will work fine if you don't exchange any floating-point data.

The solution is to use the same toolchain for everything. Don't use the Yocto toolchain for the rootfs and then the Xilinx toolchain for an executable.

Kind regards,

Mike Looijmans
System Expert

TOPIC Products
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Postbus 440, NL-5680 AK Best
Telefoon: +31 (0) 499 33 69 79
E-mail: mike.looijm...@topicproducts.com
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