Aneesh, Can you resubmit this patch using git-send-email?
-M On Sun, Jan 15, 2012 at 11:42 PM, Bansal Aneesh-B39320 <b39...@freescale.com> wrote: > Please find the patch attached in the mail. > > > > Regards, > > Aneesh Bansal > > > > From: openembedded-core-boun...@lists.openembedded.org > [mailto:openembedded-core-boun...@lists.openembedded.org] On Behalf Of Khem > Raj > Sent: Friday, January 13, 2012 1:04 PM > To: Patches and discussions about the oe-core layer > Cc: Garg Vakul-B16394 > Subject: Re: [OE-core] Valgrind : Unhanded instructions mfatbu and mfatbl > > > > > > On Thu, Jan 12, 2012 at 9:43 PM, Bansal Aneesh-B39320 <b39...@freescale.com> > wrote: > > Hello, > > > > PowerPC uses two alternate time base registers which are read from user > space > > by using PPC instructions mfatbu and mfatbl . However these instructions are > > not supported by Valgrind. > > CPU : e500mc > > Here are the logs when an application executing such instruction is executed > > with Valgrind 3.7.0: > > > > dis_proc_ctl(ppc)(mfspr,SPR)(0x20F) > > disInstr(ppc): unhandled instruction: 0x7C0F82A6 > > primary 31(0x1F), secondary 678(0x2A6) > > ==2204== valgrind: Unrecognized instruction at address 0x10003dfc. > > ==2204== at 0x10003DFC: ??? (in /usr/bin/simple_crypto) > > ==2204== by 0x1000181B: ??? (in /usr/bin/simple_crypto) > > ==2204== by 0xFE179E7: ??? (in /lib/libpthread-2.13.so) > > ==2204== by 0x40EEA9B: ??? (in /lib/libc-2.13.so) > > ==2204== Your program just tried to execute an instruction that Valgrind > > ==2204== did not recognise. There are two possible reasons for this. > > ==2204== 1. Your program has a bug and erroneously jumped to a non-code > > ==2204== location. If you are running Memcheck and you just saw a > > ==2204== warning about a bad jump, it's probably your program's fault. > > ==2204== 2. The instruction is legitimate but Valgrind doesn't handle it, > > ==2204== i.e. it's Valgrind's fault. If you think this is the case or > > ==2204== you are not sure, please let us know and we'll try to fix it. > > ==2204== Either way, Valgrind will now raise a SIGILL signal which will > > ==2204== probably kill your program. > > > > > > We have developed a patch to fix the issue and submitted the patch upstream > to Valgrind community for processing. > > > > how about you also submit the patch to oe-core as well > so we can use it until the upstream patch lands in a release > that we will use > > > > > > > Regards, > > Aneesh Bansal > > Error! Filename not specified. > > Plot No. – 18 | Sector-16 A, Noida – 201301 > > Phone : 0120395 x3320 > > > > > _______________________________________________ > Openembedded-core mailing list > Openembedded-core@lists.openembedded.org > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core > > > > > _______________________________________________ > Openembedded-core mailing list > Openembedded-core@lists.openembedded.org > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core > _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
