From: Todd Whitesel <toddpw@best.com>
To: ac131313@cygnus.com (Andrew Cagney)
Cc: gdb@sourceware.cygnus.com
Subject: Re: SOFTWARE_SINGLE_STEP_P and multi-arch
Date: Wed, 21 Mar 2001 15:59:00 -0000 [thread overview]
Message-ID: <200103210951.BAA06932@shell17.ba.best.com> (raw)
In-Reply-To: <3A2C4141.B3C2F486@cygnus.com>
Cleaning out my mailbox I discovered something from early December:
> Hardware single step support (implied
> by !TARGET_SOFTWARE_SINGLE_STEP_P())
> is target and not ISA/ABI dependant.
>
> Some ISAs might support hardware single
> step but the actual target may not
> (lousy OS support, limited stub functionality)
...
> Andrew
I should also note that some ISAs might NOT support hardware single step
but the actual target DOES, because it is simulated in software by the
OS or stub.
All modern VxWorks targets support this, and step-range as well.
I expect that JTC's remote-wdb.c backend is using them.
Todd Whitesel
toddpw @ best.com
next prev parent reply other threads:[~2001-03-21 15:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-04 17:23 Andrew Cagney
2000-12-05 6:40 ` Richard Earnshaw
2000-12-05 15:24 ` J.T. Conklin
2001-03-21 15:59 ` Todd Whitesel [this message]
2001-03-21 15:59 ` J.T. Conklin
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