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Re: [rfc/rfa] Use ARM exception tables as GDB unwinder
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: Daniel Jacobowitz <dan at codesourcery dot com>
- Cc: Ulrich Weigand <uweigand at de dot ibm dot com>, gdb-patches at sourceware dot org, rearnsha at arm dot com, matthew dot gretton-dann at arm dot com
- Date: Sun, 12 Dec 2010 13:23:53 +0100
- Subject: Re: [rfc/rfa] Use ARM exception tables as GDB unwinder
- References: <20101021204306.GU8337@caradoc.them.org> <201012011645.oB1GjVXw001375@d06av02.portsmouth.uk.ibm.com> <20101212042135.GG11377@caradoc.them.org>
Daniel Jacobowitz <dan@codesourcery.com> writes:
> I haven't looked at this code in a while, but isn't
> nptl/sysdep-cancel.h:PSEUDO broken for non-cancellable syscalls with
> many arguments? It calls DOARGS and then DO_CALL, but DO_CALL does
> DOARGS again. For 0-4 arguments it doesn't matter; I don't know if
> any of the 5/6/7 argument calls have a used nocancel variant.
It calls DO_CALL with args == 0, so DOARGS/UNDOARGS do nothing.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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