From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x62c.google.com (mail-ej1-x62c.google.com [IPv6:2a00:1450:4864:20::62c]) by sourceware.org (Postfix) with ESMTPS id 01FBA3858018 for ; Sun, 8 Aug 2021 09:49:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 01FBA3858018 Received: by mail-ej1-x62c.google.com with SMTP id hs10so23675110ejc.0 for ; Sun, 08 Aug 2021 02:49:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:content-transfer-encoding; bh=YjjGXWFAmOvs6Gx0FHwx9WP/4IZiZdvOd5Sj8E5tdJ4=; b=LpD0ZrAnRhXtl6MRF2PsvZoDqxcUvspLb+ysuugYfw+zsHijRwUAm2RIHdEMI4j45W NTaTCR7syJ4A5YMBLo52sOoP7fV2uxpvXr6C/LuNLzBHIsqjlniKlrPJtdaXvvJj/gqR gHMfx+cPBpFd0IkVr/cjopETYpOk4TbG+e4V1wAR1FHGO8v/WJs3oS5qB+z5cj5H6eZY A0uX7mK16rW7HQqov4s43UZpcPXcGLRNb1TPbtqXrqp1SiTmCc/1I8STtuGY8tOOBJ4v /kzLyXshtrgMW+ixnUyq4Eb50ZFH6ZNc8wnfyoDO5UMO5eDPFhpBZnzCP2HzgUDyLGAv BDvw== X-Gm-Message-State: AOAM533YpWBU3CkUOViTT81mOrh1LnJVM8df19T9phRzKwaBQfn3Oq6o FCa5VBF1myAKJffB8aQ1fPO8YylGs6chqEDz7KouzvCAZLs13w== X-Google-Smtp-Source: ABdhPJxp7fwPTSwvTBQFUDYLmD6alrlLCViAPCLRStA7KiwRvrAqdi3bHoVRg0bFbHNL3W61eE5EXM5IRwyxPCvVDcA= X-Received: by 2002:a17:906:3b97:: with SMTP id u23mr17881270ejf.437.1628416160969; Sun, 08 Aug 2021 02:49:20 -0700 (PDT) MIME-Version: 1.0 References: <7e842be5.bf2.17b244a7b83.Coremail.bootmgr@163.com> In-Reply-To: <7e842be5.bf2.17b244a7b83.Coremail.bootmgr@163.com> From: Stefan Ring Date: Sun, 8 Aug 2021 11:49:09 +0200 Message-ID: Subject: Re: GCC generates invalid character when compiling hello world program To: gcc-help Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-1.5 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=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 Aug 2021 09:49:23 -0000 On Sun, Aug 8, 2021 at 7:45 AM bootmgr--- via Gcc-help wrote: > > The gcc I compiled generated wrong assembly code on Windows. > This gcc is Canadian compiled from Ubuntu, and I did not apply any patche= s on https://github.com/msys2/MINGW-packages. > Error Messages: > H:\cxx>gcc hw.c > C:\Users\ADMINI~1\AppData\Local\Temp\ccaNW5Tf.s: Assembler messages: > C:\Users\ADMINI~1\AppData\Local\Temp\ccaNW5Tf.s:39: Warning: missing clos= ing `"' > C:\Users\ADMINI~1\AppData\Local\Temp\ccaNW5Tf.s:39: Error: invalid charac= ter (0xa in mnemonic > > > GCC configured by ../gcc/configure --disable-multilib --disable-nls --dis= able-rpath --disable-win32-registry --enable-gra > phite --enable-languages=3Dc,c++,lto --enable-mingw-wildcard --enable-thr= eads=3Dposix --disable-libstdcxx-pch --disable-libs > tdcxx-verbose --enable-fully-dynamic-string --enable-large-address-aware = --host=3Dx86_64-w64-mingw32 --target=3Dx86_64-w64-m > ingw32 --prefix=3D/mingw64 The problem is this line (and it=E2=80=99s not line number 39, as in your error message): .ascii "Hello world!\^@"^M (as displayed by Emacs) The last few characters in hex: 5c 00 22 0d 0a. There is a 00 byte after the backslash for some reason.