Re: Elf loader crash while zero-filling .bss

From: Andreas Schwab
Date: Fri Feb 08 2008 - 11:39:47 EST


"Abel Bernabeu" <abelbg@xxxxxxxxx> writes:

> The offset of some sections fall in the middle of the .bss section. In
> instance, look at the sections 12 (.comment) and 13 (.ARM.atributes).
> Both sections are overlapping with 11 (.bss):
>
> [11] .bss NOBITS 0001143c 00143c 000048 0 WA 0 0 4
> [12] .comment PROGBITS 00000000 00143c 000094 0 0 0 1
> [13] .ARM.attributes SHT_LOPROC+3 00000000 0014d0 000010 0 0 0 1
> [14] .shstrtab STRTAB 00000000 0014e0 00007b 0 0 0 1
> [15] .symtab SYMTAB 00000000 001804 000c70 16 16 92 4
> [16] .strtab STRTAB 00000000 002474 000840 0 0 0 1
>
> Is this fact meaningful??

The fifth column is the file offset. Since the .bss section does not
occupy any file space the other sections can be put directly behind it
in the file.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@xxxxxxx
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