Really appreciate that, is roland mcgrath listening? what's his email ID?
On 7/23/05, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote: > > On Fri, 22 Jul 2005, vamsi krishna wrote: > > > Hi, > > > >> It doesn't. The 32-bit machines never show 64 bit words in > >> /proc/NN/maps. They don't "know" how. > >> > >> b7fd6000-b7fd7000 rw-p b7fd6000 00:00 0 > >> b7ff5000-b7ff6000 rw-p b7ff5000 00:00 0 > >> bffe1000-bfff6000 rw-p bffe1000 00:00 0 [stack] > >> ffffe000-fffff000 ---p 00000000 00:00 0 [vdso] > >> ^^^^^^^^____________ 32 bits > > > > hello john can you tell me what is [vdso], does it have any content > > related file descriptor table it seems that the if I dont save this > > segment during checkpointing, the file open descriptors (i.e FILE *) > > seems to have null after restoration. > > > > Sincerely appreciate your inputs. > > > > Cheers! > > Vamsi > > > > #include <stdio.h> > > int main() > { > long *foo = (long *)0xffffe000; > printf("%08x\n", foo[0]); > printf("%08x\n", foo[1]); > printf("%08x\n", foo[2]); > printf("%08x\n", foo[3]); > printf("%08x\n", foo[4]); > printf("%s\n", (char *)foo); > > } > > Seems to be readable and starts with 'ELF'. It's something > the the 'C' runtime may library use to make syscalls to the > kernel. Older libraries used interrupt 0x80, newer ones > may use this. Roland McGrath has made patches to this > segment so maybe he knows. > > > > Cheers, > Dick Johnson > Penguin : Linux version 2.6.12 on an i686 machine (5537.79 BogoMips). > Warning : 98.36% of all statistics are fiction. > . > I apologize for the following. I tried to kill it with the above dot : > > **************************************************************** > The information transmitted in this message is confidential and may be > privileged. Any review, retransmission, dissemination, or other use of this > information by persons or entities other than the intended recipient is > prohibited. If you are not the intended recipient, please notify Analogic > Corporation immediately - by replying to this message or by sending an email > to [EMAIL PROTECTED] - and destroy all copies of this information, including > any attachments, without reading or disclosing them. > > Thank you. > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/