Date: Wed, 4 Nov 2020 11:38:11 -0500 From: Shawn Webb <shawn.webb@hardenedbsd.org> To: Ed Maste <emaste@freebsd.org> Cc: Dimitry Andric <dim@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org> Subject: Re: svn commit: r367304 - in head: share/man/man5 share/mk tools/build/options usr.bin usr.bin/clang usr.bin/clang/llvm-cxxfilt Message-ID: <20201104163811.2waowgqzarpr3asr@mutt-hbsd> In-Reply-To: <CAPyFy2AfpZg-zL2YMtGC7M=GvgYBRK3bzX7=KKYTLdmLwMGHoQ@mail.gmail.com> References: <202011031957.0A3JvSJ4038311@repo.freebsd.org> <CAPyFy2AfpZg-zL2YMtGC7M=GvgYBRK3bzX7=KKYTLdmLwMGHoQ@mail.gmail.com>
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--e6n3pkqac6rtvho3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Nov 04, 2020 at 11:26:51AM -0500, Ed Maste wrote: > On Tue, 3 Nov 2020 at 14:57, Dimitry Andric <dim@freebsd.org> wrote: > > > > Author: dim > > Date: Tue Nov 3 19:57:28 2020 > > New Revision: 367304 > > URL: https://svnweb.freebsd.org/changeset/base/367304 > > > > Log: > > Add WITH_LLVM_CXXFILT option to install llvm-cxxfilt as c++filt >=20 > A previous argument against the LLVM versions of binutils replacements > is that they were excessively large, but this does not look like a > substantial problem here. LLVM's cxxfilt is indeed many times the size > of ELF Tool Chain's, but still small enough that for a tool chain > component it's not a concern, in my opinion. >=20 > ELF Tool Chain: > $ size obj/c++filt > text data bss dec hex filename > 66966 1008 8400 76374 0x12a56 obj/c++filt >=20 > LLVM: > $ size obj/llvm-cxxfilt > text data bss dec hex filename > 378138 1756 9165 389059 0x5efc3 obj/llvm-cxxfilt >=20 > A remaining issue is that both nm and addr2line can also demangle C++ sym= bols. This brings a question: is there any guidance as to what FreeBSD considers "too large of a component" for a toolchain component (or any other various components, like src.git/stand)? I ask mostly out of curiousity. Thanks, --=20 Shawn Webb Cofounder / Security Engineer HardenedBSD GPG Key ID: 0xFF2E67A277F8E1FA GPG Key Fingerprint: D206 BB45 15E0 9C49 0CF9 3633 C85B 0AF8 AB23 0FB2 https://git-01.md.hardenedbsd.org/HardenedBSD/pubkeys/src/branch/master/Sha= wn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc --e6n3pkqac6rtvho3 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEA6TL67gupaZ9nzhT/y5nonf44foFAl+i2PAACgkQ/y5nonf4 4fqhTxAApJxjXO5c/3lUIOweo1s1sCugiDUCpWSLASGYnJGR8zpQqdzNu23zqgFf kxY7HTVESYheKLCAEMp6SJGz1ykl/hiYUMVT/+HUYfJZMEwNlWrUwQ8UwcnSLdjN QEJ2aRDUL/fvoxq3aZsQeGoyW30BUEJv3PD9hgp7WIZkM5K+MfZh0bqEKR7j3RSO UhXYV4xamDsU8QGV7wWu6mXNr3b7CTocDlkOwWLBzb9FYyXJUxdI0PHgHKUykewW uiXR1r8WZNd/RRlh1IdQjrOEmUNkrFuumqNYTjf34wgjRf73+Q/EqqcQRZUwMuLb xxu/7oCcGbb95wIl2pzl3B6wc1mC3FmPcWeqoXtUYU1Fc656dxnCuLumeND8Vd+2 KSZP1AvWt9hrdtBwqu7Ya23a2YbE3hX6g7Vmt1idNfqMz3YKN4kscG/RF45mQxCI jtA99SfEDXqSMxHvqLLsMMItaPAmF4F1DIHCcxWyrRwWGTsJTU8x+1h4iq67U2/E f0oPexqZDz1UBBYPWyCh4Aihiqqh/9e/LTaGs+ExsdUGIuQyenJOQPEGEhPw1lZ8 2ENWMs89Ob8cztI4Ko7U9lehRWVV0er9nTOjPmlow/IzX1ZAdjV2QxLOPVjehxqL g4epKIJ/GwuKeYkDzn+UL/FuUqeIZ/VOOYYn4/e1gPfCDU2aqnA= =76rh -----END PGP SIGNATURE----- --e6n3pkqac6rtvho3--
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