The Sun Studio's equivalent of GCC's -ffreestanding -mcmodel=kernel -mno-red-zone is -xmodel=kernel
Sherry On Sat, Feb 07, 2009 at 06:11:30PM -0800, Garrett D'Amore wrote: > Andrew C. Henle wrote: > >> Joachim Worringen wrote: > >> > >>> Greeting, > >>> > >>> using Sun cc (cc: Sun C 5.9 SunOS_i386 Patch > >>> > >> 124868-01 2007/07/12), I > >> > >>> compile my kernel module with -fast. This results > >>> > >> in memset(9F) calls > >> > >>> appearing as _memset calls in the object file, > >>> > >> which can not be resolved > >> > >>> on a SXCE 106 kernel. > >>> > >>> Is this a problem with my include files and > >>> > >> defines, the compiler > >> > >>> version, usage of -fast for kernel code? > >>> > >> P.S: -O3 works. > >> > >> Joachim > >> - > >> Joachim Worringen, Software Architect, Dolphin > >> Interconnect Solutions > >> phone ++49/(0)228/324 08 17 - > >> http://www.dolphinics.com > >> _______________________________________________ > >> opensolaris-code mailing list > >> opensolaris-code@opensolaris.org > >> http://mail.opensolaris.org/mailman/listinfo/opensolar > >> is-code > >> > > > > The "-fast" option expands to many other options involving optimization. > > From the Sun Studio 12 man page for cc: > > > > <quote> These options are turned on for -fast: > > > > -fns (SPARC, x86) > > -fsimple=2 (SPARC, x86) > > -fsingle (SPARC, x86) > > -nofstore (x86) > > -xalias_level=basic (SPARC, x86) > > -xbuiltin=%all (SPARC, x86) > > -xdepend (SPARC, x86) > > -xlibmil (SPARC, x86) > > -xlibmopt (SPARC) > > -xmemalign=8s (SPARC) > > -xO5 (SPARC, x86) > > -xprefetch=auto,explicit (SPARC) > > -xregs=frameptr (x86) > > -xtarget=native (SPARC, x86) > > </quote> > > > > Its probably -xbuiltin=%all. > > I seem to recall an option (don't recall the precise one) that was akin > to GCC's -ffreestanding (which indicates that the compiler should not > make any assumptions about standard libraries.) > > -- Garrett > > One (or more) of those is causing your call to "memset()" to be replaced > > with a call to "_memset()". > > > > You can probably add those options to your build one at a time until the > > problem appears. > > > > _______________________________________________ > opensolaris-code mailing list > opensolaris-code@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/opensolaris-code -- Sherry Moore, Solaris Core Kernel http://blogs.sun.com/sherrym _______________________________________________ opensolaris-code mailing list opensolaris-code@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/opensolaris-code