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[avr-gcc-list] AVR-GCC--linker problems
From: |
maha |
Subject: |
[avr-gcc-list] AVR-GCC--linker problems |
Date: |
Sun, 26 Mar 2006 22:59:56 -0800 (PST) |
Hello~
I have a little questions about avr-gcc...
What's the functions about "__do_clear_bss" and "__do_copy_data"? Do I
have
to use them? Do I have other ways can replce them?( disappear them in my
test.o )
Because I have to link and relocate symbols by myself. But, I don't know
how to link symbols that references to libraries.
Can I pass test.o back to AVR-GCC and handles libraries linking after
done my work?( complete relocatable symbols' linking )
And, where can I find more informations about this question?
./nm test.o ( compiled but no linking )
00000000 a *ABS*
0000003e a __SP_H__
0000003d a __SP_L__
0000003f a __SREG__
U __do_clear_bss <--\
U __do_copy_data <---- How to take them away and has no
effect
00000000 a __tmp_reg__ function about test.o
00000001 a __zero_reg__
00000008 T cleanup_module or
00000000 T init_module
U ker_led <--Can I pass this test.o back to
avr-gcc to handles
__do_clear_bss and
__do_copy_data after linking
ker_led by myself ?
Help me please, Thanks a lot~
Wang~
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