What is the best approach to run memory leak test on ARM processor(non-Linux)?

I Know that Valgrind tool is the best option to test memory leak in Linux platform.I am working on testing of  ARM7 based embedded system which runs on   RTX operating system,I did not found any specific tool to test memory leak caused by applications which run on target baord.If somebody worked on this domain please provide some info on possible approch to test memory leak or any memory related tests.