[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] NPTL/TLS segment flipping code problem
> >Your analysis of these opcodes (A1 and A3) is correct, but both have > >code 'O|4' in the insn_decode table, so they don't go thru 'case 1:'. > > > > >A0 and A2 have code 'O|1' which are instructions: > > MOV moffs8,AL ; MOV AL,moffs8 > >These have a single-byte offset incoded within the instruction. > >The 'case 1:' *is* needed for A0 and A2. > > Hmm, I'm sorry, I actually meant A0 and A2. Just look at what the > assembler generates for > > movb symbol, %al > movb %al, symbol Oops. Sorry - yes, you win. :-) I'll get rid of 'case 1'. -- Keir ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |