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Re: sjlj-exceptions ICE. simplified test case
- To: "Geert Bosch" <bosch at gnat dot com>
- Subject: Re: sjlj-exceptions ICE. simplified test case
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Wed, 26 Apr 2000 21:28:31 -0600
- cc: "Jason Merrill" <jason at cygnus dot com>, "Richard Henderson" <rth at cygnus dot com>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, "Robert Lipe" <robertl at sco dot com>
- Reply-To: law at cygnus dot com
In message <20000426213151.F0F6534D80@nile.gnat.com>you write:
> Actually GNAT currently uses an unwind mechanism for x86 which works by
> scanning the prologue. This code is well documented and should be easily
> adaptable; I would be willing to do the work if people agree that having
> such an unwinder would be nice.
How does this work in the presence of scheduled prologues? More and more
targets schedule their prologue which results in prologue instructions being
mixed with user code (BTW this includes x86).
jeff