Thanks for the amd64 clarification. Valgrind doesn't seem to like the compiler argument you mentioned. I got:
valgrind: Bad option: --trace-system-calls=yes valgrind: Use --help for more information or consult the user manual. On 7/12/12 3:08 PM, "John Reiser" <jrei...@bitwagon.com> wrote: >> I'm running on a MacBook Pro with an Intel i7 CPU, so I'm not sure why >>the primary build arch is amd64. > >Because the best [5-character] name of the 64-bit x86 architecture is >amd64. >AMD beat the pants off Intel in that round of the architecture wars. > >> >> The crash when running a WebKit test under Valgrind looks like the >>following (some output has been removed): >> >> ---- Output ----- >> ==21326== Memcheck, a memory error detector >> ==21326== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et >>al. >> ==21326== Using Valgrind-3.8.0.SVN and LibVEX; rerun with -h for >>copyright info >> ==21326== Command: >>/Users/jacobg/WebKit/WebKitBuild/Debug/DumpRenderTree - >> ==21326== >> >> UNKNOWN __pthread_sigmask is unsupported. This warning will not be >>repeated. >> vex amd64->IR: unhandled instruction bytes: 0xF 0xB 0x55 0x48 0x89 0xE5 >>0x41 0x56 > >> ==21326== valgrind: Unrecognised instruction at address 0x9167b8c. > >0xF 0xB is 'ud2', the official two-byte "undefined opcode". >The app has given up, and 'ud2' is an OS-independent way to guarantee an >abort. >(It's an infuriating bug that valgrind pretends not to know about 'ud2'.) > >The "real error" happened some time ago. To help find it, please re-run: > valgrind --trace-system-calls=yes .../DumpRenderTree > >-- > >-------------------------------------------------------------------------- >---- >Live Security Virtual Conference >Exclusive live event will cover all the ways today's security and >threat landscape has changed and how IT managers can respond. Discussions >will include endpoint security, mobile security and the latest in malware >threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >_______________________________________________ >Valgrind-users mailing list >Valgrind-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/valgrind-users ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
