[2019-02-13 13:17] Nick Clifton
> [1]. You could check this theory by running "readelf --section-headers
> --program-headers"
> on the two binaries. Both should have program headers but, if the
> theory is right, only the ld generated binary will have section headers.
Checked. Confirmed.
>
Hi Dmitry,
> Thank you for suggestion, but map did not reveal anything. The only part
> (section?) with non zero size is .text of size 0xd (=13). This is
> correct, raw instructions are really 13 bytes (according to `objdump -d').
> By the way, `readelf --sections' reports, that there is no secti
[2019-02-07 15:43] Nick Clifton
>
> part text/plain 498
> Hi Dmitry,
>
> >>> Still, even this way, 400 bytes is more then twice as big, compared to
> >>> fasm. Any suggestions, how to shrink binary futher?
>
> > Thank you for suggestion. Tried both options; no difference --
Hi Dmitry,
>>> Still, even this way, 400 bytes is more then twice as big, compared to
>>> fasm. Any suggestions, how to shrink binary futher?
> Thank you for suggestion. Tried both options; no difference -- 400
> bytes.
Ho Hum. In which case, do you know what is in the extra bytes ? If you
lin
[2019-02-04 09:50] Nick Clifton
> > Still, even this way, 400 bytes is more then twice as big, compared to
> > fasm. Any suggestions, how to shrink binary futher?
>
> This might be because the linker defaults to page aligning the binaries.
> Have you tried linking with the --nmagic option ? (Or
Hi Dmitry,
> Still, even this way, 400 bytes is more then twice as big, compared to
> fasm. Any suggestions, how to shrink binary futher?
This might be because the linker defaults to page aligning the binaries.
Have you tried linking with the --nmagic option ? (Or alternatively the
--omagic opti
[2019-02-01 17:49] Andreas Schwab
> On Feb 01 2019, Dmitry Bogatov wrote:
>
> > results in huge binary:
> >
> > $ du -hb a.out
> > 4744a.out
> > $ strip -s a.out
> > $ du -hb a.out
> > 4408a.out
> > $ file a.out
> > a.out: ELF 64-bit LSB executable, x86-64, v
On Feb 01 2019, Dmitry Bogatov wrote:
> results in huge binary:
>
> $ du -hb a.out
> 4744a.out
> $ strip -s a.out
> $ du -hb a.out
> 4408a.out
> $ file a.out
> a.out: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically
> linked, strip
[ Not a but, strictly speaking, but just do not know, where else to ask. ]
Hello!
I like AT&T syntax of amd64 assembler, so I am using GNU As.
Unfortunately, it creates binries much bigger then one would expect from
source code. For compraison, trivial program, that just exits with
value 1 (ess
