Re: Race condition in Mach/Hurd?

[Samuel Thibault]

Svante Signell, le Tue 10 May 2011 14:23:13 +0200, a écrit :
> On Tue, 2011-05-10 at 14:06 +0200, Samuel Thibault wrote:
> ...
> > > Well objdump gave a lot of hits for mach_port_deallocate but
> > > mach_port_deallocate_debug was not found. And the addresses are
> > > different from the hex editor. Anyway using objdump -D I found it:
> > > 
> > > 002c10c0 <mach_port_deallocate_debug>:
> > >   2c10c0:       00 00                   add    %al,(%eax)
> > 
> > But that's not a file offset.  Actually I meant objdump -x, to get the
> > headers, which tell you know virtual addresses relate with file offsets.
> 
> OK I found it:
> SYMBOL TABLE:
> ...
> 002c10c0 l     O .bss   00000004 mach_port_deallocate_debug
> 
> Is the file offset 4 byte?

No, it's the size. What's interesting is the header of the output, which
describes the file offset of each section

> How to change the hex line:
> 002c10c0: 2318 0614 1600 000a etc.

It's not there.

Samuel