Messages in this thread | | | Date | Thu, 26 Apr 2012 03:25:28 -0400 (EDT) | Subject | Re: [RFC] TIF_NOTIFY_RESUME, arch/*/*/*signal*.c and all such | From | David Miller <> |
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From: Martin Schwidefsky <schwidefsky@de.ibm.com> Date: Thu, 26 Apr 2012 09:15:19 +0200
> You need to be careful with inferior calls there. gdb likes to play games > with the registers inside the get_signal_to_deliver call, it wants to be > able to jump out of an interrupted system call, do its inferior call in > the debugee and then return to the interrupted system call. > You would have to to read, modify & restore the NEED_RESTART flag in gdb > over an inferior call.
Right and this is what orig_ax and friends are used for on x86.
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