From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id 2BE413858D32 for ; Thu, 16 Nov 2023 11:19:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 2BE413858D32 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 2BE413858D32 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700133564; cv=none; b=xxIEbw+R35Zx03NpH042bfhC2UfN1q2qhNNGpGOtHUd7AzM7xTwONPAW6+kOJcuY3CXS+HXZIKx+9uHjoqMesaT0SVxydwhVh/amXf4lbJAr8PNrlIX4F/eblkvehOu6ak0kGw6aLC2JDpol22pg+aYGFc2czoZ/cRAzIeSNs9I= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700133564; c=relaxed/simple; bh=VoGU+SftBoZ2t2lyTPTF1vZH7yeU8FpDxJUhHKH1/y8=; h=From:To:Subject:Date:Message-Id:MIME-Version; b=I9Qr4yPQ8jhna9KEmg1WWtIvnAnPvsPman4kDeo5BwoqfiscX0/gVlp3G11H6nB8HpAexWchY5cFL+AgEYhPPZl6KrX54vynduEA7ObHaAmrZQOKEs/ZIlRnF2HyW//7U6eX9NwQzDVVp3f+kGHC3Vb3Cg8s7EKdFRpLcREAFFc= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from loongson.cn (unknown [10.2.6.5]) by gateway (Coremail) with SMTP id _____8Dx_7u2+lVldIc6AA--.56373S3; Thu, 16 Nov 2023 19:19:19 +0800 (CST) Received: from 5.5.5 (unknown [10.2.6.5]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Ax3ty2+lVlTg5EAA--.17299S2; Thu, 16 Nov 2023 19:19:18 +0800 (CST) From: mengqinggang To: binutils@sourceware.org Cc: xuchenghua@loongson.cn, chenglulu@loongson.cn, liuzhensong@loongson.cn, xry111@xry111.site, i.swmail@xen0n.name, maskray@google.com, mengqinggang Subject: [PATCH v2 0/6] Fix some bugs of relaxation Date: Thu, 16 Nov 2023 19:19:10 +0800 Message-Id: <20231116111916.3648176-1-mengqinggang@loongson.cn> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:AQAAf8Ax3ty2+lVlTg5EAA--.17299S2 X-CM-SenderInfo: 5phqw15lqjwttqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBj93XoW7Kw13tF4xGrWUKw4kCw1ruFX_yoW8XFWDpr ZxuFWftF18AFs3WF9xCayfW3Z8GFn7Gry0q3ZIgr12k398Jry0qw40yrW3XF95J3yDCF1r Zr10v3WrGF1jyrXCm3ZEXasCq-sJn29KB7ZKAUJUUUUr529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUU9Fb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r106r15M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07 AIYIkI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWU XVWUAwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7V AKI48JMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMxCIbckI1I0E14v2 6r1Y6r17MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17 CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF 0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIx AIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2 KfnxnUUI43ZEXa7IU8X_-PUUUUU== X-Spam-Status: No, score=-6.5 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE 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: These patches mainly fix the shared objects can't be relaxed bug. The "elf_seg_map (info->output_bfd) == NULL" condition prevent the shared object to be relaxed. Ld can perform up to 10 relaxation tries. In first try, both execute file and shared object do not meet this condition. But the execute file can trigger a second try because of the program header size change due to the number of segement change (execute file add extra INTERP segemnt). Changelog: v1 -> v2: 1. Delete useless .fill 0x4000. 2. Change Fixme to FIXME. 3. Modify some comments. mengqinggang (6): LoongArch: Fix ld --no-relax bug LoongArch: Directly delete relaxed instuctions in first relaxation pass LoongArch: Multiple relax_trip in one relax_pass LoongArch: Remove "elf_seg_map (info->output_bfd) == NULL" relaxation condition LoongArch: Modify link_info.relax_pass from 3 to 2 LoongArch: Add more relaxation testcases bfd/elfnn-loongarch.c | 54 ++++++++----- ld/emultempl/loongarchelf.em | 20 ++++- .../ld-loongarch-elf/relax-segment-max.s | 12 +++ .../ld-loongarch-elf/relax-segment-min.s | 12 +++ ld/testsuite/ld-loongarch-elf/relax-so.s | 4 + ld/testsuite/ld-loongarch-elf/relax.exp | 80 +++++++++++++++++-- 6 files changed, 157 insertions(+), 25 deletions(-) create mode 100644 ld/testsuite/ld-loongarch-elf/relax-segment-max.s create mode 100644 ld/testsuite/ld-loongarch-elf/relax-segment-min.s create mode 100644 ld/testsuite/ld-loongarch-elf/relax-so.s -- 2.36.0