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Re: [patch rfc] unwind sentinel id/pc

From: Andrew Cagney <ac131313 at redhat dot com>
To: Andrew Cagney <ac131313 at redhat dot com>
Cc: gdb-patches at sources dot redhat dot com
Date: Fri, 07 Mar 2003 12:31:14 -0500
Subject: Re: [patch rfc] unwind sentinel id/pc
References: <3E6268AD.3080300@redhat.com>

2003-03-02 Andrew Cagney <cagney at redhat dot com>

	* gdbarch.sh (UNWIND_SENTINEL_ID, UNWIND_SENTINEL_PC): New
	multi-arch methods with predicate.
	* gdbarch.h, gdbarch.c: Regenerate.
	* d10v-tdep.c (d10v_unwind_sentinel_id): New function.
	(d10v_unwind_sentinel_pc): New function.
	(d10v_gdbarch_init): Set unwind_sentinel_id and
	unwind_sentinel_pc.
	* sentinel-frame.c (struct frame_unwind_cache): Add field cache.
	(sentinel_frame_pc_unwind): Use gdbarch_unwind_sentinel_pc.
	(sentinel_frame_id_unwind): Use gdbarch_unwind_sentinel_id.

Patch withdrawn.

The underlying problem was that the frame unwind code was calling the wrong frame ID unwind method (with the wrong frame). The `off-by-one' bug. Fixing that makes this unnecessary.

Andrew

References:
- [patch rfc] unwind sentinel id/pc
  - From: Andrew Cagney

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