Date: Mon, 8 May 2017 23:52:10 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r317809 - head/share/man/man7 Message-ID: <20170508205210.GF1622@kib.kiev.ua> In-Reply-To: <3467458.2hyvxKbuPT@ralph.baldwin.cx> References: <201705042131.v44LVokb076951@repo.freebsd.org> <3467458.2hyvxKbuPT@ralph.baldwin.cx>
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On Mon, May 08, 2017 at 01:37:15PM -0700, John Baldwin wrote: > On Thursday, May 04, 2017 09:31:50 PM Konstantin Belousov wrote: > > Author: kib > > Date: Thu May 4 21:31:50 2017 > > New Revision: 317809 > > URL: https://svnweb.freebsd.org/changeset/base/317809 > > > > Log: > > Provide introduction for the arch(7) manpage. > > > > Start with some words about linear address space and its layout, then > > explain pointers models and ABIs, providing explanation to the > > structure of the tables. > > > > Reviewed by: emaste, imp > > 'Future-proof' cheri wording by: brooks > > Sponsored by: The FreeBSD Foundation > > MFC after: 2 weeks > > Differential revision: https://reviews.freebsd.org/D10596 > > Note that mips n32 is neither ILP32 or LP64, it P32L64. (Similar to x32 > for x86 if we were to ever add that.) Thus, we support 3 ABIs rather > than just 2. I trust your information about MIPS n32, but x32 uses ILP32 model. In particular, sizeof(long) == 4, according to the AMD64 ABI Draft 0.99.8, which includes both LP64 and ILP32 (x32) ABI description.
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