From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x129.google.com (mail-lf1-x129.google.com [IPv6:2a00:1450:4864:20::129]) by sourceware.org (Postfix) with ESMTPS id 949573858D37 for ; Mon, 3 Apr 2023 11:56:38 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 949573858D37 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-lf1-x129.google.com with SMTP id c9so27304260lfb.1 for ; Mon, 03 Apr 2023 04:56:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1680522997; 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=m3E8lT1YBrxJS9PJ/j/3BbPqfeRRa4gpztBzX88tAE0=; b=Oz480F1E+yLDzbNP1n/wK7+VEaT9Hvx2HsVoScXBXGJNQy+7sv4/K08DwVkMOuGlfo QCp8WoEs7okibWoGPXsTXsGH7RVLnClN6nLOibI7WSdOQuN+66NrucE6Vkcut30YcRh3 n89yw8ow4DtSJTkul8j3AeQjafOwWR4luCc3vGZvjxig4blAUYugLhVPEkD1RrrCuwle lcdwrcUG/R4FxNYL+ZOYCN0GkyFNpARCkj5EudIyv3h8lMuX1LwkxBfdqwCONJ6+W77y lti0ZmzFtFYMfe4Sb7nTurVN0HTjT6R8mS9gsFLDsIL+5Az7rnPLJ3uQdpsw6vPAGCEi xMGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680522997; 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=m3E8lT1YBrxJS9PJ/j/3BbPqfeRRa4gpztBzX88tAE0=; b=gS/61BKoL8ppgghP0Lfx4VPxg7DY4d3M0F4xqRB/2NN0rBTdwFYxVdP891az/1ncrc HsbAlok7SbEFdX4YohDKTgkM8YhjlollpOBIgGH8wTps+nDWJs31LT8kMUXjdiHrQ+BE sudvZesCrjy/IE253CxjTXI3EFqMWs6hSvV1wv4b6apQ48w5yd+MbKgKIDlMjwUcsk9n 8HjxdocgAwO/nbpLRUpXnQHxBQ4jqyGTmdkowhWLTvshNYiK/waIuOZGNr7YxaAvQ7AE mj6aoFu41uD45uvx3eiJTdMRlsnybsu4PHH268n21TZCjos+q5J8w/e+jg+XOTmHSGqg E0Cw== X-Gm-Message-State: AAQBX9dBUn5CohMDbcnG+n2uhXjlu2u1OiOSAL4q0bw9ndORxAIrpLNy 7+LZHWrang2rr+8TCMBlcj6vk1kb2YE= X-Google-Smtp-Source: AKy350ZYu1IC92QKy2S559w0Nour852sFhboGvtgJuTwcZRRGAHbxt6PbKu4l47BxMGpiugDfyeJcw== X-Received: by 2002:a05:6512:3902:b0:4ea:fa77:e424 with SMTP id a2-20020a056512390200b004eafa77e424mr9619322lfu.65.1680522996512; Mon, 03 Apr 2023 04:56:36 -0700 (PDT) Received: from surface-pro-6.. ([194.190.106.50]) by smtp.gmail.com with ESMTPSA id q7-20020ac25147000000b0048a9e899693sm1752524lfd.16.2023.04.03.04.56.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Apr 2023 04:56:36 -0700 (PDT) From: Sergey Bugaev To: bug-hurd@gnu.org, libc-alpha@sourceware.org Cc: Samuel Thibault , Sergey Bugaev Subject: [PATCH v2 18.0/34] Alignment-respecting x86_64 trampoline.c Date: Mon, 3 Apr 2023 14:56:19 +0300 Message-Id: <20230403115621.258636-1-bugaevc@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230319151017.531737-19-bugaevc@gmail.com> References: <20230319151017.531737-19-bugaevc@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,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: And here's another attempt at trampoline.c, this time hopefully with properly aligned stack on both the user's signal handler call and the __sigreturn call. (Split across two patches and this tiny cover letter, hopefully not too confusing.)