From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id rtpLKsmZDWAMZQAAWB0awg (envelope-from ) for ; Sun, 24 Jan 2021 11:01:13 -0500 Received: by simark.ca (Postfix, from userid 112) id 9F7CD1EF80; Sun, 24 Jan 2021 11:01:13 -0500 (EST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 F165D1E945 for ; Sun, 24 Jan 2021 11:01:11 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 65F873857C50; Sun, 24 Jan 2021 16:01:11 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 65F873857C50 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1611504071; bh=nokRHj+D0SEf8WS1JduJrmHXjt2PzRNgPpPQgyZF640=; h=In-Reply-To:References:Date:Subject:To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=uIBxIMEl+Kn5p13OvZZrvhzzdbZwjON+zcKfnaEVoeq42+pezTkjLuEtMomO+O0k8 ZiAeB6yoUKXuHJUfJGRw7v3UcDRWRQn3f67NeQVv5iN77ss7T5F2cm0o1fyqLCLpBY AxMb7mYr9KoI8dlW5BUCpgqOZ0fP2uBmOL2sFfec= Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) by sourceware.org (Postfix) with ESMTPS id 526083857C50 for ; Sun, 24 Jan 2021 16:01:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 526083857C50 Received: by mail-io1-xd2d.google.com with SMTP id z22so21524835ioh.9 for ; Sun, 24 Jan 2021 08:01:06 -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:in-reply-to:references:from:date :message-id:subject:to:cc; bh=nokRHj+D0SEf8WS1JduJrmHXjt2PzRNgPpPQgyZF640=; b=BLIcSfiofScHSJ/hLhvgG64tBiZN/fakxOpksX3L3PA4EESL8FPUL44H5Pnc/gBtFQ edJ7o/VBiI0Vg5pDLSIZVRtJ3cVSqMPEuymMg5tSNUU415l7Dmb2m0HE84rqY6CQLfBM 66ymE4dB4RknvulVbURzAANV9vCm2GBQ9l+uMA4LxA+YGxs0NzZ/l0qFt64U0z/rt9oK 2I89i3F8+LpJOAR0AkorLuGlniMlxjAdAdDmxJ8aTzZcvNTTa9oeumAKgx6DC1eHg4Mw +i9xYq7GvEJn8sfcJVAl9Vmnq9teMj5wfoSeNh+rlQWd+Skz0RPxmOmhQ/ij89VKDUl/ EQlA== X-Gm-Message-State: AOAM531+q5ty7oxi7DMOrrSdZUCSQnAvDLJTKeZpRh5b+mc1sIjNzp0T ZpvgNXbesMOsWLzGtVkxz6NvEjpychBX6oNfcW970rOlqpI= X-Google-Smtp-Source: ABdhPJzBCcG0aV87TzAIjuHPubrwOz+stv4NmoSzBjhSUQyxCRUpwFn0pCdccWvqEagx6v1nOGa2nkBOhR1VLpHrwhs= X-Received: by 2002:a92:d0cd:: with SMTP id y13mr607260ila.148.1611504065881; Sun, 24 Jan 2021 08:01:05 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a6b:c88b:0:0:0:0:0 with HTTP; Sun, 24 Jan 2021 08:01:05 -0800 (PST) In-Reply-To: <835z3m4abq.fsf@gnu.org> References: <835z3m4abq.fsf@gnu.org> Date: Sun, 24 Jan 2021 10:01:05 -0600 Message-ID: Subject: Re: Why does `disassemble` behave differently on Linux and Mac? To: Eli Zaretskii 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: Peng Yu via Gdb Reply-To: Peng Yu Cc: gdb@sourceware.org Errors-To: gdb-bounces@sourceware.org Sender: "Gdb" Adding -g to gcc make `disassemble func` works. Why is it required on Mac but not on Linux? On 1/24/21, Eli Zaretskii wrote: >> Date: Sun, 24 Jan 2021 09:06:10 -0600 >> From: Peng Yu via Gdb >> >> $ gcc -c func.c >> $ gdb -q func.o >> Reading symbols from func.o... >> (No debugging symbols found in func.o) >> (gdb) show disassembly-flavor >> The disassembly flavor is "att". >> (gdb) disassemble func >> No symbol table is loaded. Use the "file" command. > > I think you need to compile with -g. > -- Regards, Peng