problem about crossgcc for xscale at x86 mandrake linux 8.1 host

[psp]

Dear all,

i am building some cross gnu tools for xscale(board:pxa250) at x86 mandrake 
linux 8.1, i download gnupro source from 
http://developer.intel.com/design/intelxscale/dev_tools/010827 and 

configure --target=xscale-elf --prefix=mydir
make install

now i have some cross-gcc tools in my host, and build linux kernel 
2.4.18(downloaded from monta vista, including two patchs) using them, 
download the kernel to target, the kernel is running and mount root fs is ok, 
all is ok.

then i write a "hello world" program as init,  and i can run it using 
xscale-elf-run which is a program of cross-gcc tools, but it don't run at 
target, why?
when i build this program using arm-linux-elf-gcc which is prebuilt and 
downloaded from 
http://developer.intel.com/design/intelxscale/dev_tools/010827,  it can run 
at target, why?

i want your helps or advices, please.


thanks in advance.

with best regards
niki

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