From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id MTAyHmbczl9QWQAAWB0awg (envelope-from ) for ; Mon, 07 Dec 2020 20:52:38 -0500 Received: by simark.ca (Postfix, from userid 112) id 7293A1F071; Mon, 7 Dec 2020 20:52:38 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=0.4 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_REPLYTO_END_DIGIT,MAILING_LIST_MULTI,RDNS_NONE, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.2 Received: from sourceware.org (unknown [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id EF91E1EF4B for ; Mon, 7 Dec 2020 20:52:36 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 4DC9E3858020; Tue, 8 Dec 2020 01:52:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4DC9E3858020 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1607392356; bh=V6fNzC0RJmVHgzXuaXOGMqLqlOHxf7NdlDYnD3bgKV8=; h=Date:Subject:To:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=a96++vtJK6BrgvW84vz6z28p0taoETrMiIixkOpsN8PO5YtE35A5w3/j3qG3OG+Kv UxcEGHqgTwSAo1ehheftQJaXYUfPHP4+P7Achkn6RW79zU25s244RxPKlM9ec/5zq1 xdvjRG7HGYwj/muOAAkEhexsyddD8Y6EsG8iFFZg= Received: from mail-vs1-xe2b.google.com (mail-vs1-xe2b.google.com [IPv6:2607:f8b0:4864:20::e2b]) by sourceware.org (Postfix) with ESMTPS id 3EBDE3858011 for ; Tue, 8 Dec 2020 01:52:33 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 3EBDE3858011 Received: by mail-vs1-xe2b.google.com with SMTP id v8so8749518vso.2 for ; Mon, 07 Dec 2020 17:52:33 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=V6fNzC0RJmVHgzXuaXOGMqLqlOHxf7NdlDYnD3bgKV8=; b=h9QdOyrR4hxKkXrlLmwKf+odWDngs0Ie4W6szy+GVJQbinj1/tGuaw5SXdvY4eqcxB Tkmd/DAYuRCvC4tPK4N2sVk5K/Qptv2xCP6FHChvMz1Uj6gfY76YILDnMq4uYtMQ+unX Ak/D+lluoKT1IY3D24efra94HvHssnVVQJ44PnXlhySa//1PJwQgtCFr1XryrDlJGYwR UqpMCqbwXPudI0qe5icTNmUKF5gaDUwawkh3cyqvwdnZtIJsNZTY052Dh4h00LIwY4RE iZ6GvuiqijGsd7XRL6Wff4kOYeEOgBTIQUnETY2DA6XpSqPdI+WfVi7oo0yw+U9HHkqr ojHA== X-Gm-Message-State: AOAM530xYrPNw0q2gp1RzgaGr5TvV370UO10VtZVe7a55x/G+HNk+HDh NTVYhdl00dCeHflETvYmSKn5vczdiCXl19B9d8ZC5k3SuGwlXA== X-Google-Smtp-Source: ABdhPJwRhgX/LNstlcssmxk1cphcQjDQOJB89salhWXzs9Jnkg580nH6mO4/eCITBam9niCA/VqLyWUJQDwkE0kHxWA= X-Received: by 2002:a67:e185:: with SMTP id e5mr14244346vsl.22.1607392352631; Mon, 07 Dec 2020 17:52:32 -0800 (PST) MIME-Version: 1.0 Date: Tue, 8 Dec 2020 09:52:21 +0800 Message-ID: Subject: Can't print in gdb To: gdb@sourceware.org Content-Type: text/plain; charset="UTF-8" X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Olivia Nelson via Gdb Reply-To: Olivia Nelson Errors-To: gdb-bounces@sourceware.org Sender: "Gdb" I'm trying to print with a prefix, how can I do that? I've tried to use + or printf, none of them works: (gdb) ptype substr type = struct string { uint8 *str; int len; } (gdb) p substr $1 = 0x111111 "xxx=0" (gdb) printf "%s\n", substr Value can't be converted to integer. (gdb) p "a" + substr A syntax error in expression, near `'.