From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id MlHKAfBR/l+gXgAAWB0awg (envelope-from ) for ; Tue, 12 Jan 2021 20:50:40 -0500 Received: by simark.ca (Postfix, from userid 112) id ECB181EF7E; Tue, 12 Jan 2021 20:50:39 -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 8D3A41E940 for ; Tue, 12 Jan 2021 20:50:39 -0500 (EST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 1C24F3858D33; Wed, 13 Jan 2021 01:50:39 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1C24F3858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1610502639; bh=cb/3uJac89g+rxqW6bW3+h/gAV8pNyZHsyN20C88JDQ=; h=References:In-Reply-To:Date:Subject:To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=ldWEE2wDwQtWwFzRVQjCiQaS+KWnVsDzKuELtDLlDTTCHXzKCoNiZIpDRzLL2XZp6 GwKfLiIwAjmvFt8mszQcvvgY1g5ZUH8N9u5XAPMHt4E0WPNCqUOMjCqYpgjOBE1NOU VtnlL9aM8fd8OxvqDpc6QGwyGvkzpbhdGzhc4N5I= Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by sourceware.org (Postfix) with ESMTPS id A5A973858D33 for ; Wed, 13 Jan 2021 01:50:36 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org A5A973858D33 Received: by mail-ed1-x535.google.com with SMTP id u19so198655edx.2 for ; Tue, 12 Jan 2021 17:50:36 -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:references:in-reply-to:from:date :message-id:subject:to:cc; bh=cb/3uJac89g+rxqW6bW3+h/gAV8pNyZHsyN20C88JDQ=; b=XBhcctHF7OkU/BVZZX3PZPSgeb6kfBjSN3x13iQW8F1q8B3E8kSog7SZSrAwd0WQQ6 DrWeIG9vsNP9LLLJmRpufeR8FJeTVUoIBmn9hx05dA3w5mQyZX4Ma8QfBxSr5xxK1kzC AxWtTa1CZ5s8ORhmRQjKknJeZbrc/svm1xd9PZmCHdnK77pCJ2lV28ZB2721aMLsZpMP ahLDnR5XKq9y+xCQZwGegf4imG4xPmRJukNALNymulGFoKo2F0wxy/tM/xOx8MzahmWq jsYS+xQh3q8TtctIdUIattJBRMi5vB9MGxi6Y7AZ4kIUhj8ELYyd+b97uBUbWLYxxw+8 Ho5A== X-Gm-Message-State: AOAM532dC3hjBg4p6sl0Bn+5S97ag8nt1FGwOcPkYKoYxq8RkO5YTaVe SbKGJecm5QuzbPwMXQa9hfpPvIZhfft69OSlPEI= X-Google-Smtp-Source: ABdhPJym5H6ft9J9RqCzfiTVLUR4FatsFaMPXgNKHAlNJKIx4NjYUT0DviOlNvS7iQhb3c8ChaSZGvcIVIbRJUlbPOA= X-Received: by 2002:a50:f9cc:: with SMTP id a12mr1505366edq.335.1610502635480; Tue, 12 Jan 2021 17:50:35 -0800 (PST) MIME-Version: 1.0 References: <87k0shbqeu.fsf@tromey.com> In-Reply-To: <87k0shbqeu.fsf@tromey.com> Date: Wed, 13 Jan 2021 01:49:59 +0000 Message-ID: Subject: Re: [gcc-10-branch] libiberty: Support the new ("v0") mangling scheme in rust-demangle To: Tom Tromey Content-Type: text/plain; charset="UTF-8" X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Amanieu d'Antras via Gdb-patches Reply-To: Amanieu d'Antras Cc: Amanieu d'Antras via Gdb-patches Errors-To: gdb-patches-bounces@sourceware.org Sender: "Gdb-patches" > Also, is there a way to test that this works correctly? I'd imagine > there just has to be a flag day sometime and then we find out? Or has > someone built Rust and tried it with GDB trunk? rustc can already generate v0 symbols with the -Zsymbol-mangling-version=v0 flag. We're just going to eventually be switching this on by default. I just tested a small program built with that flag and gdb trunk can successfully demangle the symbols while gdb 10 can't.