Date: Sun, 10 Jun 2012 20:37:11 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Fabian Keil <freebsd-listen@fabiankeil.de> Cc: freebsd-hackers@FreeBSD.org Subject: Re: decoding of multi-byte nops in dtrace Message-ID: <4FD4DB47.3030006@FreeBSD.org> In-Reply-To: <4FD4CD8B.1080803@FreeBSD.org> References: <4FD490D5.1070207@FreeBSD.org> <20120610152721.3b627896@fabiankeil.de> <4FD4CD8B.1080803@FreeBSD.org>
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on 10/06/2012 19:38 Andriy Gapon said the following: > From a quick look at them they all seem to really never return. Either they are > noreturn type such panic, or functions that always call the functions of the > first type, or functions with endless loops in them such as top level functions > of many system threads. Not entirely true :-) random_nehemiah_read() has a via-specific instruction that dtrace doesn't understand: xstore-rng / 0x0f 0xa7 0xc0. -- Andriy Gapon
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