Problem with objcopy
Leon Pollak
leonp at plris.com
Thu Jun 25 11:26:57 UTC 2009
Hello, all.
Recently I made a small change in the following code:
class cFoo {
protected:
uchar DataIn[MAX_DATA_LEN], DataOut[MAX_DATA_LEN];
..............
};
I changed MAX_DATA_LEN from 1000 to 300000.
This resulted in 300000 growth of the BIN file which I produce by command:
powerpc-rtems-objcopy -j .text -j .data -O binary app.elf app.bin
Looking into the map file I see that the real addition of 300000 bytes resides
in the .bss section, which seems to me correct.
So, why the size of binary file depends on .bss section size?!?!
I tried to play with -j and -R parameters, but all imaginable combinations
gave nothing - the output file size was exactly the same.
Many thanks ahead for any help.
--
Leon
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