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Run valgrind on cross compiled executable


By : Firuz Kosimov
Date : September 11 2020, 08:00 AM
will help you Cross compile valgrind, and execute on the target. There are no other ways. Can't even use qemu to execute valgrind.
code :


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Cross compiled new version of node.js for Raspberry Pi results in 5X larger executable


By : TechnoPrawn
Date : March 29 2020, 07:55 AM
Hope that helps After taking a closer look at both binaries with readelf, the majority of the size increase is because the larger binary is using a number of statically linked code -- the smaller binary is linked against more shared libraries.
FYI: The shared libraries linked in the smaller node were [libssl.so.1.0.0], [libz.so.1], [libv8.so.3.8.9.20], [ld-linux-armhf.so.3], [libcares.so.2], [libcrypto.so.1.0.0], [libev.so.4], & [libutil.so.1].

Trying to run a cross-compiled executable on target device fails with: No such file or directory


By : Kelsey Brook
Date : March 29 2020, 07:55 AM
Hope this helps Since nobody from the comments posted the answer, I guess I get the pleasure ;)
No such file or directory comes from when the kernel tries to invoke the dynamic linker specified by the ELF executable's .interp field, but no such file exists.
code :
objdump -j .interp -s ./hello_world

Do I need a special license to distribute a Mono executable cross compiled with mkbundle?


By : paulnp
Date : March 29 2020, 07:55 AM
will help you You are looking at "archived" content on the Mono site. Mono was dual-licensed but that when Microsoft acquired Xamarin, they remove the dual-license and re-licensed it.

Do I need to install packages with debug symbols to use Valgrind on my C-compiled executable?


By : Rafa3p
Date : March 29 2020, 07:55 AM
Any of those help Wiki says about any libraries your code links with. In order in analyze stracktraces from valgrind it is good to link with these libraries debug versions. What these libraries are depends only on your application.
Imagine you develop some application. Then you want to trace some memory leak or segmentation fault. So you run your compiled program under valgrind. You compile your program with -g flag to have nice messages from valgrind when it prints out stack traces of allocations. to this flag you see more information in stack traces like exact function names of functions you coded.

cross-compiled Valgrind does not detect obvious leaks


By : Piper Lincoln
Date : March 29 2020, 07:55 AM
Any of those help It turns out that openwrt strips all libraries including valgrind's vgpreload_xxxxxx.so libs and libc.so. However, valgrind needs section headers and symbols in the .so files. I disabled stripping for libc and valgrind packages, then everything is working like charm. It took some digging into valgrind code to understand what is really going on. I wish there were some WARNINGs or errors from valgrind if it can't find any symbols to REDIR. Would have saved me 3 days. Oh well, learnt something new anyways.
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