[ECOS] is my SREC correct?

[Piteir]

Hi, 
I always failed to download hello example in srec
format the hello example that I compile in cygwin
size is 1029KB and I create srec format using
 
arm-elf-objcopy -O hello.exe hello.srec

the hello.srec size only 178KB from hello.exe 1029KB
Is the arm-elf-objcopy produce an error result?
 
Thanks
Piteir

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