From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri,  8 Nov 2013 15:46:29 -0800
From: Nick Owens <mischief@9.offblast.org>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Message-ID: <20131108234629.GO11218@iota.offblast.org>
References: <20131108024600.GN11218@iota.offblast.org>
	<DCEDB867-5999-42E0-8C08-F940419C2637@gmail.com>
	<CAJSxfm+k5KQ-F0SEPa_gRMGxBgYzxP=_CPde2nUzYuYVWmAA=Q@mail.gmail.com>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="NT59pYSnj1ZLVgEN"
Content-Disposition: inline
In-Reply-To: <CAJSxfm+k5KQ-F0SEPa_gRMGxBgYzxP=_CPde2nUzYuYVWmAA=Q@mail.gmail.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Subject: Re: [9fans] acid analogues of gdb stepping commands
Topicbox-Message-UUID: 8a308714-ead8-11e9-9d60-3106f5b1d025


--NT59pYSnj1ZLVgEN
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Fri, Nov 08, 2013 at 02:03:59AM -0800, Skip Tavakkolian wrote:
> something like this, but with better housekeeping to work with existing
> acid code, could work:
>=20
> defn Next() {
> printto("/env/nextStmt", pcfile(*PC),":",pcline(*PC)+1);
> bpset(filepc(readfile("/env/nextStmt")));
> cont();
> }

this seems like it should work, but sometimes the computed PC for the
next line is way off, and cont() just runs the entire program. even more
confusing, doing pcline of the computed pc prints the next line
correctly, e.g.

x =3D filepc(pcfile(*PC)+":"+itoa(pcline(*PC)+1));
print(pcline(x));

will show the next line, but the new PC in x is totally wrong.

any clue why?

nick


--NT59pYSnj1ZLVgEN
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.13 (OpenBSD)
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=5Cr8
-----END PGP SIGNATURE-----

--NT59pYSnj1ZLVgEN--