On Sun, Jan 30, 2011 at 08:31:44PM +0000, Thorsten Glaser wrote:
> Dixi quod…
>
> >ara2:~# cat >x.c
> >#include <netinet/in.h>
> >#include <arpa/nameser.h>
> >#include <resolv.h>
> >
> >int
> >main(void)
> >{
> > return (res_init());
> >}
> >ara2:~# gcc x.c
> >ara2:~# ./a.out
> >Segmentation fault
>
> >Basically, the segfault is on accessing _res.retrans
> >in line 67 (first access of _res)
>
> Now, _res is at 0xc014ce58 and the code in question is:
>
> 0xc00f1eb4 <__res_init>: linkw %fp,#0
> 0xc00f1eb8 <__res_init+4>: moveml %d2-%d5/%a2/%a5,%sp@-
> 0xc00f1ebc <__res_init+8>: lea %pc@(0xc0148000),%a5
> 0xc00f1ec4 <__res_init+16>: movel %a5,%d5
> 0xc00f1ec6 <__res_init+18>: addil #9916,%d5
> 0xc00f1ecc <__res_init+24>: movel %d5,%sp@-
> 0xc00f1ece <__res_init+26>: movel %d5,%sp@
my m68k coding skills are a little rusty but that looks bizarely obfuscated,
a bunch of asm instructions that could be saved quite easilly?
Richard
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