From nobody Tue Feb 10 19:49:18 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1664360405459911.6180308283791; Wed, 28 Sep 2022 03:20:05 -0700 (PDT) Received: from localhost ([::1]:47472 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1odUAd-0004Ht-RK for importer@patchew.org; Wed, 28 Sep 2022 06:20:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33316) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1odSE9-0008Aq-Nt for qemu-devel@nongnu.org; Wed, 28 Sep 2022 04:15:33 -0400 Received: from mout.kundenserver.de ([217.72.192.74]:37727) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1odSE6-0008BD-JJ for qemu-devel@nongnu.org; Wed, 28 Sep 2022 04:15:32 -0400 Received: from quad ([82.142.8.70]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.183]) with ESMTPSA (Nemesis) id 1N63JO-1pJWA20rCy-016QSd; Wed, 28 Sep 2022 10:15:26 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Cc: Ilya Leoshkevich , Richard Henderson , Laurent Vivier Subject: [PULL 15/38] linux-user: Implement stracing madvise() Date: Wed, 28 Sep 2022 10:14:54 +0200 Message-Id: <20220928081517.734954-16-laurent@vivier.eu> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220928081517.734954-1-laurent@vivier.eu> References: <20220928081517.734954-1-laurent@vivier.eu> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:nDHUuuST60S5LHG25c5IcMxkEmHfXMUq7xrZ8Iks5GXPySc6C19 enWEjdU/DAWbtYksH6o608VAJ6+ryUh/ZxcPiE6R3WbYLUDwv/0lr7a5rN4/5Tl2RjBdzMs cPFDCE9X+jLcvrQF62GNunCsR+bllpj1gQjOpuOllyjtR+h9T06Jr5fgXKMymSRbKh9ai6R OvCOj730QQBvj5q5kd+NQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:5sq+y7gYpX8=:NmDi6G+CEf1P+28Fd5Y53n 9Y+4pXJhg/XcAJMXPDC17nZirOJhYg3BIgC/b6/QWUyOdG6Zs7euT2hDRQw3WuThFZAY0F5LL GNDJwLP2LcMEJWkm8uqSUynD7MQnBH7zIyo5Zu1cGLXz6wxAWrhRTaTLGpqMEKUAjbLLltigT 62yROXfb8kWMqbYNUqoqoGSFpLZ8AZ6yXyq3LOvBkwrJjEwEUPR4gG0YHDrQJ7V/ioLEefMCz 5MZ3/f9myXVZbhJ0TgpgIYe/MiewjArSFiaTakPdVwSY3baSDIHFt1O3BIJRTBRKetJL6t1lS OwPsCuNl4tgGnAQYdikEXwo1bt+59oKecMP2nxqCJOry9+t4Rmf/vZmKzA6Vpr4vQJt8FBcpT r5J89p02UAWcMhujWRFOpX8iWMC01xvkGu7YHp0rZu10KRH7+YyXYgK94g7T3nj6rrJhgQStv O7ewDxAHuobWln3HnQuSGbZvrMe/PK86XguIw033rGRx0zR3WoH+wPRrtPbD9sGTtST4xi6tn Cpny2LIK+6psVB4JZX5v/ygrJurbFtvV+LC83giax/o+BZeCFY5dsdwu5N3WdGSZjWkxwngWY ihG64N7bbDMSLgSZFaPAWZxseKVR5zsWEPzAZWBEslg+NRWJr2EgNUR5uQLffD+/M7Ke0cGPV l81Ol1IUk1cbklgcr8IEm9rn38XehnH5oKFfnH/DBYVehRLvw6iPhDEypu+9WHJvouDPQCO9S p6cwM/gt97u7jx0L3zZAaqRwZQtHXiTAlrfCFPWWcDlBnisqg0uoabWtw1XrKY9jKu/8UbNkk Q8z2UpF 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: none client-ip=217.72.192.74; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham 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" X-ZM-MESSAGEID: 1664360406815100001 Content-Type: text/plain; charset="utf-8" From: Ilya Leoshkevich The default implementation has several problems: the first argument is not displayed as a pointer, making it harder to grep; the third argument is not symbolized; and there are several extra unused arguments. Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson Message-Id: <20220906000839.1672934-4-iii@linux.ibm.com> Signed-off-by: Laurent Vivier --- linux-user/strace.c | 41 +++++++++++++++++++++++++++++++++++++++++ linux-user/strace.list | 2 +- 2 files changed, 42 insertions(+), 1 deletion(-) diff --git a/linux-user/strace.c b/linux-user/strace.c index b6b9abaea466..2deb84a2c106 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -18,6 +18,7 @@ #include "user-internals.h" #include "strace.h" #include "signal-common.h" +#include "target_mman.h" =20 struct syscallname { int nr; @@ -3019,6 +3020,46 @@ print_stat(CPUArchState *cpu_env, const struct sysca= llname *name, #define print_lstat64 print_stat #endif =20 +#if defined(TARGET_NR_madvise) +static struct enums madvise_advice[] =3D { + ENUM_TARGET(MADV_NORMAL), + ENUM_TARGET(MADV_RANDOM), + ENUM_TARGET(MADV_SEQUENTIAL), + ENUM_TARGET(MADV_WILLNEED), + ENUM_TARGET(MADV_DONTNEED), + ENUM_TARGET(MADV_FREE), + ENUM_TARGET(MADV_REMOVE), + ENUM_TARGET(MADV_DONTFORK), + ENUM_TARGET(MADV_DOFORK), + ENUM_TARGET(MADV_MERGEABLE), + ENUM_TARGET(MADV_UNMERGEABLE), + ENUM_TARGET(MADV_HUGEPAGE), + ENUM_TARGET(MADV_NOHUGEPAGE), + ENUM_TARGET(MADV_DONTDUMP), + ENUM_TARGET(MADV_DODUMP), + ENUM_TARGET(MADV_WIPEONFORK), + ENUM_TARGET(MADV_KEEPONFORK), + ENUM_TARGET(MADV_COLD), + ENUM_TARGET(MADV_PAGEOUT), + ENUM_TARGET(MADV_POPULATE_READ), + ENUM_TARGET(MADV_POPULATE_WRITE), + ENUM_TARGET(MADV_DONTNEED_LOCKED), + ENUM_END, +}; + +static void +print_madvise(CPUArchState *cpu_env, const struct syscallname *name, + abi_long arg0, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + print_syscall_prologue(name); + print_pointer(arg0, 0); + print_raw_param("%d", arg1, 0); + print_enums(madvise_advice, arg2, 1); + print_syscall_epilogue(name); +} +#endif + #if defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) static void print_fstat(CPUArchState *cpu_env, const struct syscallname *name, diff --git a/linux-user/strace.list b/linux-user/strace.list index 215d971b2aea..c6f748505a9e 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -542,7 +542,7 @@ { TARGET_NR_lstat64, "lstat64" , NULL, print_lstat64, NULL }, #endif #ifdef TARGET_NR_madvise -{ TARGET_NR_madvise, "madvise" , NULL, NULL, NULL }, +{ TARGET_NR_madvise, "madvise" , NULL, print_madvise, NULL }, #endif #ifdef TARGET_NR_madvise1 { TARGET_NR_madvise1, "madvise1" , NULL, NULL, NULL }, --=20 2.37.3