From nobody Wed Oct 08 09:34:03 2025 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4chSWJ1sVXz6BgYB; Wed, 08 Oct 2025 09:34:04 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4chSWJ0y3Wz3dxS; Wed, 08 Oct 2025 09:34:04 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1759916044; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=dBmtLzZAQUQLbc2hEtK3h9HmFSYtqPlAtB9WdTTHaKs=; b=YnsEquLpzU+NN3/K2AhitPEPbjPscg1I7wyWsl2TlgHlYNEn6qjum3DjqqtC6QicedM2VY TLE+mPPW1Pdp91GV5lPCirLi/LlmkN1m1TSB0i2SAQYjh2kjRPe6bii6UovRICAsxunDfK Z9dZtHkw6x+q7BDhCoV8Nm6D+qxkD30kw3XxMTZguKP+fvLRV6VFUEB7NA3ql5SrqRv1Dp /bF4oj10aYtflJgeJQ2n8GQAnBZe7rbKleTW/6aXir/rzTGMLi3Uz64AgUIT9f1477/UKg Q1Yt+If9WWCdAh4PCAu8eNwxxOil/1an9anLHrfy63zWWo+mm6m4ae1dw3Mf+A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1759916044; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=dBmtLzZAQUQLbc2hEtK3h9HmFSYtqPlAtB9WdTTHaKs=; b=aoRwJK51Rztln+4cxi0L9nGmvLu3xWFNNhk1QUfu9SApfD9Fa9S/XnspekOwSAT4BPFSX/ Cp8zh9KCgRdVGlo6A0h8jVOQjSAWqjhjMwLMSE3z8LC+0jr3Q9v6Dx0Tp0sv4Rbhjnsp5Z 4UMSCq89129Sewhd+aUnNuWJlYd0kxtujWDPLyLO9rxzcLVvsL3TmTJadBbqTqm2HgkJ8E BQUcOUM6E2jz84wz2Mt4C2q46EuGQyDkavTRwuDF/38T3J300Dvdbml4srn4V5e3jjxFPy F1nFsGnRIczkjrPyiSCBWkZ9Vs1DGedRwUMRFUj1+rM5gaJu0S5ZcR5e4Hvt9A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1759916044; a=rsa-sha256; cv=none; b=xP8ffGNsfEbOb8QsLArsqScykBSyu6IGawVi7i+ghcKiksOnAUor3OCmc3viozXP/DbhZv EGAtZaWRRr9eVnxyptoB160Kv9udogx8xHmkKDl1u5Pqlas+dlWyWjaWHPdFyOuvOsEsOt YppSKI/1kY4h9X9/KpWygaCDvWxPmJf8Sfj02Pa2ZCen7UsV8Tt8qWY+WaHXwG9klKgbHt iEGj6Zb0SBq5MgaUTjGfIl89i54NKzSi9hV1CG99ByGeLD1HUoeMB/2rco2stL1y7lYMKh 6udJLjEERkc/TEP4EYn2ilfBsEqDDZ5mACPhQ8ZGRDpO/7UK7VG1P3bO+WVZlQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4chSWJ0SQnz9GZ; Wed, 08 Oct 2025 09:34:04 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 5989Y4oi018380; Wed, 8 Oct 2025 09:34:04 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 5989Y3h2018377; Wed, 8 Oct 2025 09:34:03 GMT (envelope-from git) Date: Wed, 8 Oct 2025 09:34:03 GMT Message-Id: <202510080934.5989Y3h2018377@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Brooks Davis Subject: git: 2fe28202aaac - main - arch.7: decouple long and pointer sizes List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: brooks X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 2fe28202aaac4735f4982e7b79997a0dbc66e588 Auto-Submitted: auto-generated The branch main has been updated by brooks: URL: https://cgit.FreeBSD.org/src/commit/?id=2fe28202aaac4735f4982e7b79997a0dbc66e588 commit 2fe28202aaac4735f4982e7b79997a0dbc66e588 Author: John Baldwin AuthorDate: 2025-10-08 09:31:17 +0000 Commit: Brooks Davis CommitDate: 2025-10-08 09:33:41 +0000 arch.7: decouple long and pointer sizes Don't claim void* or (u)intptr_t are the same size as long. This isn't true for CHERI. Effort: CHERI upstream Reviewed by: kib, markj, jhb, emaste Sponsored by: Innovate UK, DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D52821 --- share/man/man7/arch.7 | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) diff --git a/share/man/man7/arch.7 b/share/man/man7/arch.7 index 39425f8d5d1b..727cb99a8ff4 100644 --- a/share/man/man7/arch.7 +++ b/share/man/man7/arch.7 @@ -48,11 +48,10 @@ and later, unless otherwise noted. .Fx uses a flat address space. Variables of types -.Vt unsigned long , -.Vt uintptr_t , +.Vt unsigned long and .Vt size_t -and pointers all have the same representation. +have the same representation. .Pp In order to maximize compatibility with future pointer integrity mechanisms, manipulations of pointers as integers should be performed via @@ -127,14 +126,17 @@ All supported ABIs can be divided into two groups: .Bl -tag -width "Dv ILP32" .It Dv ILP32 .Vt int , +.Vt intptr_t , .Vt long , +and .Vt void * types machine representations all have 4-byte size. .It Dv LP64 .Vt int type machine representation uses 4 bytes, while -.Vt long +.Vt intptr_t , +.Vt long , and .Vt void * are 8 bytes. @@ -174,7 +176,6 @@ On all supported architectures: .It Sy Type Ta Sy Size .It short Ta 2 .It int Ta 4 -.It long Ta sizeof(void*) .It long long Ta 8 .It float Ta 4 .It double Ta 8 @@ -188,17 +189,17 @@ The sole exception is that requires only 4-byte alignment for 64-bit integers. .Pp Machine-dependent type sizes: -.Bl -column -offset indent "Architecture" "void *" "long double" "time_t" -.It Sy Architecture Ta Sy void * Ta Sy long double Ta Sy time_t -.It aarch64 Ta 8 Ta 16 Ta 8 -.It amd64 Ta 8 Ta 16 Ta 8 -.It armv7 Ta 4 Ta 8 Ta 8 -.It i386 Ta 4 Ta 12 Ta 4 -.It powerpc Ta 4 Ta 8 Ta 8 -.It powerpcspe Ta 4 Ta 8 Ta 8 -.It powerpc64 Ta 8 Ta 8 Ta 8 -.It powerpc64le Ta 8 Ta 8 Ta 8 -.It riscv64 Ta 8 Ta 16 Ta 8 +.Bl -column -offset indent "Architecture" "long" "void *" "long double" "time_t" +.It Sy Architecture Ta Sy long Ta Sy void * Ta Sy long double Ta Sy time_t +.It aarch64 Ta 8 Ta 8 Ta 16 Ta 8 +.It amd64 Ta 8 Ta 8 Ta 16 Ta 8 +.It armv7 Ta 4 Ta 4 Ta 8 Ta 8 +.It i386 Ta 4 Ta 4 Ta 12 Ta 4 +.It powerpc Ta 4 Ta 4 Ta 8 Ta 8 +.It powerpcspe Ta 4 Ta 4 Ta 8 Ta 8 +.It powerpc64 Ta 8 Ta 8 Ta 8 Ta 8 +.It powerpc64le Ta 8 Ta 8 Ta 8 Ta 8 +.It riscv64 Ta 8 Ta 8 Ta 16 Ta 8 .El .Pp .Sy time_t