On Wed, Aug 14, 2013 at 3:51 PM, nidhi mittal hada <nidhimitta...@gmail.com>wrote:
> > > On Tue, Aug 13, 2013 at 6:02 PM, amit mehta <gmate.a...@gmail.com> wrote: > >> On Tue, Aug 13, 2013 at 5:47 PM, nidhi mittal hada >> <nidhimitta...@gmail.com> wrote: >> > thats the information of coredump file:- >> > KERNEL: vmlinux >> > DUMPFILE: vmcore.1 [PARTIAL DUMP] >> > CPUS: 8 >> > DATE: Mon Jun 11 09:10:59 2012 >> > UPTIME: 13 days, 22:39:30 >> > LOAD AVERAGE: 83.88, 62.23, 30.30 >> > TASKS: 393 >> > NODENAME: million.ind.hp.com >> > RELEASE: 2.6.32-220.el6.hpsp16k1.x86_64 >> > VERSION: #1 SMP Mon Nov 19 17:07:07 UTC 2012 >> > MACHINE: x86_64 (2132 Mhz) >> > MEMORY: 96 GB >> > PANIC: "Kernel panic - not syncing: Watchdog detected hard >> LOCKUP on cpu 4" >> > PID: 26715 >> > COMMAND: "mount.*******" >> > TASK: ffff8817dd4de0c0 [THREAD_INFO: ffff8802c3f80000] >> > CPU: 4 >> > STATE: TASK_UNINTERRUPTIBLE (PANIC) >> > >> >> Seems, interrupts are not being re-enabled after a considerable amount of >> time. >> BTW, I'd suggest you to refrain from posting internal organizational >> details such >> as the NODENAME above, in the public mailing lists. >> >> !!amit >> > > > Hi Amit/Tobias, > > I have understood that > > *for x86_64 architecture and linux as operating system , GCC as compiler > , the calling convention to be followed is AMD64 ABI.* > right? > > *My doubt is :-* > 1) Is the above statement true only for stack frames function call etc ? > OR > Is the above statement true for other things related to architecture, > like for knowing data type sizes, endianness, alignment .. > > as http://www.uclibc.org/docs/psABI-x86_64.pdf, mentions , data type size > alignment etc everything ... > are these things same for AMD and x86 architecture both ??? > > 2)Depending on data type, this above doc defines classes in which a > specific data type lie .. > classes like INTEGER, MEMORY , SSE, SSEUP etc .. > are same things applicable in my infrastructure too > OR > they are specific to AMD architecture... if so then whats followed on > x86_64 .. > > 3) is everything in this doc applicable to x86_64 or just a portion of it > can be followed > for x86_64 ? > > > > Thanks > Nidhi > > > > > > > > > > > And next question is .. 1)if i want to get value of a local variable, of a function, from stack trace thats bt-f output, obtained using crash .. No where AMD64 ABI mentions how local variables are stored .. is it in some specific sequence of registers ? is it in stack ? Thanks Nidhi
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