Arm cross compiler - problems

[kripa shankar]

I really Thank you for your help..
when i run "arm-linux-strip test.arm"
the size of the arm file get reduced from  949567
bytes to 223860 bytes..but the simple scalar show the
same statistics for both the files (before and after
stripping)
"19976 instructions"....
the version of arm-linux-gcc iam using is 
version 2.95.2 19991024 (release)..
i'll also try the uclibc and dietlibc..

regards
kripashankar


--- Yves Rutschle <y.rutschle@indigovision.com> wrote:
> On Tue, Apr 13, 2004 at 05:38:09AM -0700, kripa
> shankar wrote:
> >  arm-linux-gcc -o test.arm test.c
> >  
> >  The size of the test.arm file is 949567 bytes.
> when
> 
> Hmm that looks strangely large for a dynamic
> executable.
> 
> Start by stripping it (we all love stripping):
> 
> arm-linux-strip test.arm
> 
> Also, what tool versions are you using?
> (arm-linux-gcc -v
> and arm-linux-as -v)?
> 
> >  1. why is the code bloating happening here???
> 
> The code size itself is most probably down to a
> bunch of
> debug stuff that'll go away when stripping. The
> 19000
> instructions would probably be huge chunks of Glibc
> start-up
> code, which leads us to:
> 
> >  2. The problem may be that the arm-linux-gcc
> loads
> >  all
> >  its libraries in the output binary file. so is
> there
> >  any option to compile a program with arm cross
> >  compiler without loading all the libraries???
> 
> Most embedded people out there usually give up on
> Glibc for
> the very reason of size, and use uClibc
> (www.uclibc.org) or
> Dietlibc (referenced somewhere off the uClibc site)
> instead,
> which achieve much, much much much smaller sizes.
> 
> Good luck,
> Y.
> 



	
		
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