From nobody Wed Nov 19 20:16:34 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1702384664; cv=none; d=zohomail.com; s=zohoarc; b=bKGyu9tOIW0n+P3hyzXl5zjQ6gUM5DXoTW5zooaBkWQFgfxU3oWRXhBnquU9niaIpQ69iauCvFlp8+1YBP9Ruesv7TiRC7GrIa5YhOd+zrKSSdrSZT6FWv1Z0q3iJUx5npmgKrAVvrbztNakiAyAa3WJc+Yi9AqpxdbdNxRMPR4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1702384664; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=tD7bO+DUD+k+B6E3Kx/bmS2SAE12lsrmdjyahyo0DL0=; b=ZjzN7PVCe68TNVufU3L2jCOT47NZaEOs7ZWI/qL3j2IXyM5Zao+36+f2LcvBoaF9Xz81rRchql4RkOsVlVso/90nQX0n01VkZlfR8OQzXVvQD3IAoQiLv7aP8J2hN26042krbM8907s4XDBYD8Y62nCUTadhoflisMgw7mRlSPk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1702384664668743.4598389269573; Tue, 12 Dec 2023 04:37:44 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rD20e-0004L5-Qp; Tue, 12 Dec 2023 07:37:14 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rD1zn-0002ZO-AJ for qemu-devel@nongnu.org; Tue, 12 Dec 2023 07:36:19 -0500 Received: from mail-ed1-x52c.google.com ([2a00:1450:4864:20::52c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rD1zi-0000Fr-Tx for qemu-devel@nongnu.org; Tue, 12 Dec 2023 07:36:18 -0500 Received: by mail-ed1-x52c.google.com with SMTP id 4fb4d7f45d1cf-54f4f7d082cso5919294a12.0 for ; Tue, 12 Dec 2023 04:36:14 -0800 (PST) Received: from m1x-phil.lan ([176.176.175.193]) by smtp.gmail.com with ESMTPSA id cy25-20020a0564021c9900b00551cf39a97asm127284edb.56.2023.12.12.04.36.11 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 12 Dec 2023 04:36:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1702384573; x=1702989373; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tD7bO+DUD+k+B6E3Kx/bmS2SAE12lsrmdjyahyo0DL0=; b=IwboWPP1Hz2yzRAXXXxXX+3IrreP6piNjisFppW5+ZsL1zZDCb0NCmgQpnmjdJf3yo ZJ9dAWhZGFFZwFRHuyKfPEit07n4k3+ZrQ+apQQvozvwyBdYChLAaD/yWbrmYuGoCeYV vv8fgc0GmsBZr98O2JqXaDfh05eOdSJO7mTpg5AZGZNFwsed1sKzmB5ps9HWTjO2NEfa p4LMlr1wSyueV4VCyDgrWuo5CpOq3R6tsus9NvNl+o1EVLpAQNiz2Ube2pd5+hmuzs8v 1SmoRzRTRmu5PjME/fqWDbJqPShVw9xqK8umZRSvq+6qK2e3/V/2XdoJ28qrMilLhvVK pAAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702384573; x=1702989373; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tD7bO+DUD+k+B6E3Kx/bmS2SAE12lsrmdjyahyo0DL0=; b=Vra4NKxJ2Eh4EVCCRYrM60E4/AqI+aT6VJhCFTRrAAnHQU9c88MCpOXp+lGrV3EOwD LNM9ajrtCCj0KPIWu0Qsol3jfLrQkALonOJfBm7HmkHIlChXPOYwQwdndU200zoghalI AWEMbwcmUvwsesnzIAy1Iw6+MewCnuPGqduM24BVA6KEtMbO9ebGyFerf8JSd5KwtF77 0K/7/nnMs0ZgDVUUp6gJLJrLRBcHPAgWEqrIVw8y7HbnU/tEkZji2NLTRKTpjtAK0EXa Bxg342seQTnFvJYgOtZaFoCtY4e4QJfThVT/aIKcMNONCF/ubdG9y+Jm+CEX0k1YZVeo 8Rng== X-Gm-Message-State: AOJu0YyNlgQP+rel2TpqXuYCzmyKq/YBljohPwWmtKfO7mbwX2esKO5/ AVZyzB51gZ3LPX8FfDzlCdpGmk8R/I/TeWUwq/iZGw== X-Google-Smtp-Source: AGHT+IE/qHb9fNxUNnSXjqWADnF4Tee8OxeD9a0SVcwJqjMerPr0gBSFID/RTiz54qADX6SbJz9OHw== X-Received: by 2002:a50:9f0d:0:b0:551:cb5d:da61 with SMTP id b13-20020a509f0d000000b00551cb5dda61mr164867edf.7.1702384573271; Tue, 12 Dec 2023 04:36:13 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Claudio Fontana , qemu-ppc@nongnu.org, qemu-s390x@nongnu.org, Richard Henderson , qemu-riscv@nongnu.org, Brian Cain , Thomas Huth , Paolo Bonzini , qemu-arm@nongnu.org, Manos Pitsidianakis , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Anton Johansson , Warner Losh , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Riku Voipio Subject: [PATCH v2 18/23] accel/tcg: Un-inline retaddr helpers to 'user-retaddr.h' Date: Tue, 12 Dec 2023 13:33:54 +0100 Message-ID: <20231212123401.37493-19-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231212123401.37493-1-philmd@linaro.org> References: <20231212123401.37493-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::52c; envelope-from=philmd@linaro.org; helo=mail-ed1-x52c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1702384666090100005 set_helper_retaddr() is only used in accel/tcg/user-exec.c. clear_helper_retaddr() is only used in accel/tcg/user-exec.c and accel/tcg/user-exec.c. No need to expose their definitions to all user-emulation files including "exec/cpu_ldst.h", move them to a new "user-retaddr.h" header (restricted to accel/tcg/). Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- accel/tcg/user-retaddr.h | 28 ++++++++++++++++++++++++++++ include/exec/cpu_ldst.h | 28 ++-------------------------- accel/tcg/cpu-exec.c | 3 +++ accel/tcg/user-exec.c | 1 + 4 files changed, 34 insertions(+), 26 deletions(-) create mode 100644 accel/tcg/user-retaddr.h diff --git a/accel/tcg/user-retaddr.h b/accel/tcg/user-retaddr.h new file mode 100644 index 0000000000..e0f57e1994 --- /dev/null +++ b/accel/tcg/user-retaddr.h @@ -0,0 +1,28 @@ +#ifndef ACCEL_TCG_USER_RETADDR_H +#define ACCEL_TCG_USER_RETADDR_H + +#include "qemu/atomic.h" + +extern __thread uintptr_t helper_retaddr; + +static inline void set_helper_retaddr(uintptr_t ra) +{ + helper_retaddr =3D ra; + /* + * Ensure that this write is visible to the SIGSEGV handler that + * may be invoked due to a subsequent invalid memory operation. + */ + signal_barrier(); +} + +static inline void clear_helper_retaddr(void) +{ + /* + * Ensure that previous memory operations have succeeded before + * removing the data visible to the signal handler. + */ + signal_barrier(); + helper_retaddr =3D 0; +} + +#endif diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h index 6061e33ac9..25e7239cc5 100644 --- a/include/exec/cpu_ldst.h +++ b/include/exec/cpu_ldst.h @@ -300,31 +300,7 @@ Int128 cpu_atomic_cmpxchgo_be_mmu(CPUArchState *env, a= bi_ptr addr, Int128 cmpv, Int128 newv, MemOpIdx oi, uintptr_t retaddr); =20 -#if defined(CONFIG_USER_ONLY) - -extern __thread uintptr_t helper_retaddr; - -static inline void set_helper_retaddr(uintptr_t ra) -{ - helper_retaddr =3D ra; - /* - * Ensure that this write is visible to the SIGSEGV handler that - * may be invoked due to a subsequent invalid memory operation. - */ - signal_barrier(); -} - -static inline void clear_helper_retaddr(void) -{ - /* - * Ensure that previous memory operations have succeeded before - * removing the data visible to the signal handler. - */ - signal_barrier(); - helper_retaddr =3D 0; -} - -#else +#if !defined(CONFIG_USER_ONLY) =20 #include "tcg/oversized-guest.h" =20 @@ -376,7 +352,7 @@ static inline CPUTLBEntry *tlb_entry(CPUState *cpu, uin= tptr_t mmu_idx, return &cpu->neg.tlb.f[mmu_idx].table[tlb_index(cpu, mmu_idx, addr)]; } =20 -#endif /* defined(CONFIG_USER_ONLY) */ +#endif /* !defined(CONFIG_USER_ONLY) */ =20 #if TARGET_BIG_ENDIAN # define cpu_lduw_data cpu_lduw_be_data diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index c938eb96f8..e591992d0c 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -44,6 +44,9 @@ #include "tb-context.h" #include "internal-common.h" #include "internal-target.h" +#if defined(CONFIG_USER_ONLY) +#include "user-retaddr.h" +#endif =20 /* -icount align implementation. */ =20 diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 68b252cb8e..2575f0842f 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -31,6 +31,7 @@ #include "tcg/tcg-ldst.h" #include "internal-common.h" #include "internal-target.h" +#include "user-retaddr.h" =20 __thread uintptr_t helper_retaddr; =20 --=20 2.41.0