Re: ptrace single-stepping change breaks Wine
[ Reading just long long thread (actually from
gmane.comp.emulators.wine.devel) ]
<[EMAIL PROTECTED]>
Linus Torvalds <[EMAIL PROTECTED]>:
> +
> + /*
> + * Was the TF flag set by a debugger? If so, clear it now,
> + * so that register information is correct.
> + */
> + if (tsk->ptrace & PT_DTRACE) {
> + regs->eflags &= ~TF_MASK;
> + tsk->ptrace &= ~PT_DTRACE;
=
> + if (!tsk->ptrace & PT_DTRACE)
===
> + goto clear_TF;
> + }
> }
Perhaps, I'm stupid.
But is there something strange on that test of tsk->ptrace variable?
Before that PT_DTRACE was cleared from that same tsk->ptrace variable.
/ Kari Hurtta
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Re: ptrace single-stepping change breaks Wine
[ Reading just long long thread (actually from
gmane.comp.emulators.wine.devel) ]
[EMAIL PROTECTED]
Linus Torvalds [EMAIL PROTECTED]:
+
+ /*
+ * Was the TF flag set by a debugger? If so, clear it now,
+ * so that register information is correct.
+ */
+ if (tsk-ptrace PT_DTRACE) {
+ regs-eflags = ~TF_MASK;
+ tsk-ptrace = ~PT_DTRACE;
=
+ if (!tsk-ptrace PT_DTRACE)
===
+ goto clear_TF;
+ }
}
Perhaps, I'm stupid.
But is there something strange on that test of tsk-ptrace variable?
Before that PT_DTRACE was cleared from that same tsk-ptrace variable.
/ Kari Hurtta
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
