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Re: RFA: Emit unwind information for Thumb
On Wed, Jan 21, 2004 at 10:41:01AM +0000, Richard Earnshaw wrote:
>
> > 2004-01-20 Daniel Jacobowitz <drow@mvista.com>
> >
> > * arm.c: Include "debug.h".
> > (thumb_pushpop): Take two new arguments. Add some commentary.
> > Output frame information when pushing.
> > (thumb_exit, thumb_unexpanded_epilogue): Update calls to
> > thumb_pushpop.
> > (thumb_output_function_prologue): Likewise. Accumulate a CFA
> > offset, and pass it to thumb_pushpop. Output CFI information.
> > (thumb_expand_prologue): Add some frame-related markers and notes.
>
> This is ok for the Trunk and 3.4 provided that it doesn't cause any
> problems with -gstabs.
72 failures with dwarf2/-mthumb (with or without the patch, with or
without GDB support for reading dwarf2 unwind information on ARM).
105 failures with stabs+/-mthumb (with or without the patch), and with
the patch -gstabs+ does not cause the creation of any .debug_frame
data.
I've checked this in, thanks!
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer