Date: Fri, 25 Mar 2005 13:05:52 +0000 From: Joseph Koshy <joseph.koshy@gmail.com> To: Petri Helenius <pete@he.iki.fi> Cc: freebsd-amd64@freebsd.org Subject: Re: syscall sysret Message-ID: <84dead7205032505051c1eb879@mail.gmail.com> In-Reply-To: <4243D111.1020904@he.iki.fi> References: <4243D111.1020904@he.iki.fi>
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> Does amd64 freebsd always utilize syscall / sysret opcodes?
See: src/lib/libc/amd64/SYS.h
...
66 #define KERNCALL movq %rcx, %r10; syscall
...
So the answer appears to be yes for native binaries.
--
FreeBSD Volunteer, http://people.freebsd.org/~jkoshy
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