Date: Wed, 20 Jul 2016 05:01:03 +0200 From: Jan Beich <jbeich@vfemail.net> To: Ed Maste <emaste@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r303033 - head/share/man/man7 Message-ID: <wpkh-nhcg-wny@vfemail.net> In-Reply-To: <201607191746.u6JHk9ov092270@repo.freebsd.org> (Ed Maste's message of "Tue, 19 Jul 2016 17:46:09 %2B0000 (UTC)") References: <201607191746.u6JHk9ov092270@repo.freebsd.org>
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--=-=-= Content-Type: text/plain Ed Maste <emaste@FreeBSD.org> writes: > +.It Sy Architecture Ta Sy Page Sizes > +.It amd64 Ta 4K, 2M, 1G Does FreeBSD support 1G pages nowadays? $ sysctl hw.pagesizes hw.pagesizes: 4096 2097152 0 $ dmesg | fgrep -i 1gb AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM> > +.Ss Predefined Macros > +The compiler provides a number of predefined macros. > +Some of these provide architecture-specific details and are explained below. > +Other macros, including those required by the language standard, are not > +included here. [...] > +cc -x c -Dm -E /dev/null Typo: -Dm vs. -dM > +.It Dv BYTE_ORDER Ta Either Dv BIG_ENDIAN or Dv LITTLE_ENDIAN . Are these really compiler macros? I think, <machine/endian.h> defines them. $ clang38 -x c -dM -E /dev/null | fgrep ENDIAN #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__ #define __LITTLE_ENDIAN__ 1 #define __ORDER_BIG_ENDIAN__ 4321 #define __ORDER_LITTLE_ENDIAN__ 1234 #define __ORDER_PDP_ENDIAN__ 3412 $ gcc5 -x c -dM -E /dev/null | fgrep ENDIAN #define __ORDER_LITTLE_ENDIAN__ 1234 #define __FLOAT_WORD_ORDER__ __ORDER_LITTLE_ENDIAN__ #define __ORDER_PDP_ENDIAN__ 3412 #define __ORDER_BIG_ENDIAN__ 4321 #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__ --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQF8BAEBCgBmBQJXjulvXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXREQjQ0MzY3NEM3RDIzNTc4NkUxNDkyQ0VF NEM3Nzg4MzQ3OURCRERCAAoJEOTHeINHnb3ba2QH/iBMtZV06lQ4dAdG2mA5rdoA APlTiA2QF6EcrrgpVsRlQ3wb3x5cMexu2UvRRrICJ2Lj1ZhmX4XxcjTwZxbS3sYI RkRAO/bly1KyF6MGFtKIw+ThWcVMEaBuPc9SpKJUG+O2Kry1BjVVl9UyWcz2BFB/ dK8G+bTHTunPT8IDv5n5CeyzdolzvusLqsSuK+Y2Kjr3hCp4WFoquL4BJFAKySCZ wncRbYHEj675Io27WfXflmxEt5jCeKVpTbvwyFq1BM/OpwZ5X8frEA7wnB5dGSgx Fs+Wp5DsgY/UsLYU+2jWEnVq550ZRakPMCwhSPkCxXd2htHpg+ZzNR/+uYODSsI= =WH2R -----END PGP SIGNATURE----- --=-=-=--
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