From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 488603857353 for ; Tue, 11 Apr 2023 13:30:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 488603857353 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1681219819; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=u/NQ5pDVp4OhQOjZzMr1AZMAbytZCKHWTcFuizHku+Y=; b=dnJYnzI9iqQ3zy0BLoEwSxgGTgGbZePV/W8R8F+Y0i3pd4entLsDmGFVkq5P9of5aNCX+M cPE4xPxEBU0V5LTnKVb/HIrMdLYL/h3aVUFZD8iCPKUB9UhM70LkRv8wvYg8lcalkqixuO Ixlc9hT1cMRbXKUA+omii4qI2MwUQrk= Received: from mail-yb1-f198.google.com (mail-yb1-f198.google.com [209.85.219.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-624-5_mbb-2MOYuEPXanXUqjDg-1; Tue, 11 Apr 2023 09:30:17 -0400 X-MC-Unique: 5_mbb-2MOYuEPXanXUqjDg-1 Received: by mail-yb1-f198.google.com with SMTP id j203-20020a2523d4000000b00b8f21897f2fso2340332ybj.22 for ; Tue, 11 Apr 2023 06:30:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1681219816; x=1683811816; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=u/NQ5pDVp4OhQOjZzMr1AZMAbytZCKHWTcFuizHku+Y=; b=tN8FoBb3tiaChiKdTdOVbgSRTGhW//0wKSlRa3GJu7nPN3LVDXMIWP+0sRDDiLs7rV sRT+Dy7p9gs06G1STuMgrnhiqHIeP83DI37YExmiaHvGZfqkoRxOboRQ2HPwmkMNw3df bfO9ELdSLHtcq2UYJDf7dSqaS/Kq+lE1+hFSvDPvtPCe2kAhaejy5epqW2uHtTHmC/sU Ik3yXbauVEnnv6oFQGbDL9dQTst8xia/Gsu0SqsulO7yyi1usF86mT3ID0QHsrsMgbCo KCkUpPTqN9XOZ2rn8JNF0CSuFJw89bq/snCJbwxFz/yWtGgMK38nMjo742f/1Oeyata6 vI0A== X-Gm-Message-State: AAQBX9etjMdBp2wdiJS1McUZYdO+yh5P3BRRQnvQc4R0IZbsVn77XOck a3gukl3GNFOnV5lvlnzZpmD7JTPxLvzSydqdmGGSkcVU6mrIqAl/YtGjD8ItLtsBTcKPLggYhkP zXP3m27KpKJGcPat/o5MCt9jw3k9dbInB1mxcMAuDMNYKCvbfZUzPipmK7Xv/8opIkHhc746FiY V95Wla X-Received: by 2002:a81:468a:0:b0:54e:f301:ca1c with SMTP id t132-20020a81468a000000b0054ef301ca1cmr7577490ywa.49.1681219816485; Tue, 11 Apr 2023 06:30:16 -0700 (PDT) X-Google-Smtp-Source: AKy350YA1BMRNQ6bSe61AbjeDsqO5/AnzgJUeKl7Z1SG0vdNk2AnsgUKWp5ZDogfufvEngBnjFZzlg== X-Received: by 2002:a81:468a:0:b0:54e:f301:ca1c with SMTP id t132-20020a81468a000000b0054ef301ca1cmr7577465ywa.49.1681219816084; Tue, 11 Apr 2023 06:30:16 -0700 (PDT) Received: from oak.redhat.com (c-71-206-142-238.hsd1.va.comcast.net. [71.206.142.238]) by smtp.gmail.com with ESMTPSA id n124-20020a0dcb82000000b00545a0818493sm3486425ywd.35.2023.04.11.06.30.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Apr 2023 06:30:15 -0700 (PDT) From: Joe Simmons-Talbott To: libc-alpha@sourceware.org Cc: Joe Simmons-Talbott Subject: [PATCH 0/2] x86_64: aarch64: Set call number just before syscall Date: Tue, 11 Apr 2023 09:30:02 -0400 Message-Id: <20230411133004.2268170-1-josimmon@redhat.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true X-Spam-Status: No, score=-6.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: To make binary call tree analysis easier place the syscall number into the register just before the syscall is made. Only do this if the syscall number is a constant integer. Tested on x86_64 and aarch64. Joe Simmons-Talbott (2): x86_64: Set the syscall register right before doing the syscall. aarch64: Set the syscall register right before doing the syscall. sysdeps/unix/sysv/linux/aarch64/sysdep.h | 6 +++++ sysdeps/unix/sysv/linux/x86_64/sysdep.h | 33 ++++++++++++++++++++++++ 2 files changed, 39 insertions(+) -- 2.39.2