From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [IPv6:2a00:1450:4864:20::62a]) by sourceware.org (Postfix) with ESMTPS id 21EDB3858C2D for ; Tue, 11 Oct 2022 11:59:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 21EDB3858C2D 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-ej1-x62a.google.com with SMTP id k2so30874908ejr.2 for ; Tue, 11 Oct 2022 04:59:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=CeUy9M5RU0S92mffxUq427CY3jP1Rjamtu37iXAtD00=; b=PKC41cyVHDJTk20Lwv5vp+cSmVX391SM4kRnLaQFdXMlrJwC0QlJUeNJT5H4blVS+z nMAqDUDwOhPkyRpam4AkgFcqWJp00kO7UEgRfxouRf6KsugExZl7mxkMDXrCfDmUYJ6Y KMOnljY+3LFeMBZaJbAV+Uw9crRiwZSRXLCbMo8VlGyZOMhiIOYWzuNX8vVSMN7lUVfo SFTv+5Zu0ywE8RRsHO8/VfRNBzYzAq16U2b/LbQFN8yKgPtcsUZ40B0p0Ux8mNj6kcKD J5RwpEeF9yTfZN79Je+E2UR3bDR8nnrPGBRku9hKZOwyxytv7SN8IqAnzxoF5kH+15Vj KQ1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=CeUy9M5RU0S92mffxUq427CY3jP1Rjamtu37iXAtD00=; b=wPrNHJZ0l3+189eyA7Y4EiuVf/uHlo6n4nBlFZvgbY7TNCJx9N6FYTNRjfN/1RA/1F 04tsxefc6TAC5eDcXkZJlXMMCE9EWCfYoHIzCdz//QdE4wb4Lwo5aoYgGCrPUy1NLSvp wOIsxm/EISLbkrPjS8/+tfwIwilt6rVgZvOMWSeCJlSILxttIsaTdiN8FxhYEGcw+sHD /y5i+aKvo4YQQRtH4n/q04VllgiQloWZJ8/aTFrAa4XdkXfaRRwZRAe5DER2YAdmMgSe cpt+aSXstZm8i+n2RUiTWCM/EJ1MyXw43te3Jl160tF/Z34MgOsAFQfPXebuogvGjyEw A5tw== X-Gm-Message-State: ACrzQf0Ue1lSf0SyXsrUFVvAtQVTAzaGYV6GcU6ShFQ+ww8R7L0ihEmg Sh2LcdVgWGJ/QQTL7VRtzRCWPqzi8lKiY1IuHrzIGaVu X-Google-Smtp-Source: AMsMyM5OMtanzWA6gWwOPDutN1t8BCIwXyRNOWwZELjX/3ADIH5KnAxk/kpeezDNeNJOTawd0Iy/iJDl8S+aN+RLh1A= X-Received: by 2002:a17:907:980a:b0:78d:282f:1607 with SMTP id ji10-20020a170907980a00b0078d282f1607mr17890258ejc.511.1665489585966; Tue, 11 Oct 2022 04:59:45 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Richard Biener Date: Tue, 11 Oct 2022 13:59:33 +0200 Message-ID: Subject: Re: [PATCH v2 00/10] Introduce strub: machine-independent stack scrubbing To: Alexandre Oliva Cc: gcc-patches@gcc.gnu.org, Jeremy Bennett , Craig Blackmore , Graham Markall , Martin Jambor , Jan Hubicka , Jim Wilson Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.3 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: On Tue, Oct 11, 2022 at 1:57 PM Alexandre Oliva wrote: > > On Oct 10, 2022, Richard Biener wrote: > > > As noted in the Cauldron Discussion I think you should do all > > instrumentation post-IPA only to simplify your life not needing to > > handle inlining of instrumentation > > I looked a bit into that after the Cauldron, and recalled why I wanted > to instrument before inlining: in the case of internal strub, that > introduces a wrapper, it's desirable to be able to inline the wrapper. I think if the wrapper is created at IPA time it is also available for IPA inlining. Richard. > > -- > Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/ > Free Software Activist GNU Toolchain Engineer > Disinformation flourishes because many people care deeply about injustice > but very few check the facts. Ask me about