Messages in this thread | | | Date | Fri, 19 Nov 2004 20:00:03 +0100 | From | Eric Pouech <> | Subject | Re: ptrace single-stepping change breaks Wine |
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Roland McGrath a écrit : >>No, TIF_SINGLESTEP gets set even when the _user_ set TF. It is just a flag >>saying that we should re-enable TF when we get back to user space. >> >>So TIF_SINGLESTEP in no way implies that TF was set by a debugger. > > > Ok, whatever. I'm not really sure its use for the single-step stuff in > Davide Libenzi's changes doesn't change the expected behavior for the > nondebugger case, but it's too early in the morning to think hard about that. > > Your change hit only one spot of three in arch/i386/kernel/signal.c where > PT_PTRACED is now tested and it should be a "is PTRACE_SINGLESTEP in effect?" > test. Also the same spots in native and 32-bit emul for x86-64. > > > Thanks, > Roland > the first patch put in BK by Linus doesn't fix the problem. Any plan to fix the two other spots Roland mentionned ? A+
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