From patchwork Thu Sep 14 11:21:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lulu Cheng X-Patchwork-Id: 1834154 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RmZdj116jz1yhZ for ; Thu, 14 Sep 2023 21:21:29 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id ED90B3858C27 for ; Thu, 14 Sep 2023 11:21:26 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id E66673858D20 for ; Thu, 14 Sep 2023 11:21:13 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E66673858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [10.20.4.107]) by gateway (Coremail) with SMTP id _____8Cxc_Cn7AJlMGAnAA--.10543S3; Thu, 14 Sep 2023 19:21:12 +0800 (CST) Received: from loongson-pc.loongson.cn (unknown [10.20.4.107]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Axm+Sl7AJlTdYEAA--.11530S2; Thu, 14 Sep 2023 19:21:10 +0800 (CST) From: Lulu Cheng To: gcc-patches@gcc.gnu.org Cc: xry111@xry111.site, i@xen0n.name, xuchenghua@loongson.cn, mengqinggang Subject: [PATCH] LoongArch: gcc: Modify gas uleb128 support test. Date: Thu, 14 Sep 2023 19:21:02 +0800 Message-Id: <20230914112102.10247-1-chenglulu@loongson.cn> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Axm+Sl7AJlTdYEAA--.11530S2 X-CM-SenderInfo: xfkh0wpoxo3qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBj93XoW7Ww4fZr15AF47Ar17GF4Utrc_yoW8ZF1xpa 47Xay5KF1kGa13GanxtFWIkwnxA3s3Cry3A3sayr9rXa4UAF10vF48Krn3Ga1kGF1DXFn0 va4Fgr17Gws8AFcCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUk2b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1Y6r17McIj6I8E87Iv 67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2 Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s02 6x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0x vE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6x kF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxU7pnQUUUUU X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, 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 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" From: mengqinggang Add "ld conftest.o -o conftest" process, then the "objdump -dr" contents is right. Because gas write zero to objdec file and generate R_LARCH_ADD_ULEB128/R_LARCH_SUB_ULEB128 reloc pair to calcualte uleb128 format symbol subtraction after ld relaxation. gcc/ChangeLog: * configure: Regenerate. * configure.ac: Add "ld conftest.o -o conftest" process. --- gcc/configure | 13 +++++++++++++ gcc/configure.ac | 13 +++++++++++++ 2 files changed, 26 insertions(+) diff --git a/gcc/configure b/gcc/configure index c7b26d1927d..d4763e6fd18 100755 --- a/gcc/configure +++ b/gcc/configure @@ -24638,6 +24638,19 @@ L2: test $ac_status = 0; }; } then +case "$target" in + loongarch*-*-*) + if test "x$gcc_cv_ld" != x; then + ac_try='$gcc_cv_ld conftest.o -o conftest -e 0x0 >&5' + { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0 + mv conftest conftest.o + fi +esac + if test "x$gcc_cv_objdump" != x; then if $gcc_cv_objdump -s conftest.o 2>/dev/null \ | grep '04800a8e 78808080 80808080 808001' >/dev/null; then diff --git a/gcc/configure.ac b/gcc/configure.ac index 09082e8ccae..072fe1d2b48 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -3226,6 +3226,19 @@ L2: .uleb128 0x8000000000000000 ], [[ +case "$target" in + loongarch*-*-*) + if test "x$gcc_cv_ld" != x; then + ac_try='$gcc_cv_ld conftest.o -o conftest -e 0x0 >&5' + { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0 + mv conftest conftest.o + fi +esac + if test "x$gcc_cv_objdump" != x; then if $gcc_cv_objdump -s conftest.o 2>/dev/null \ | grep '04800a8e 78808080 80808080 808001' >/dev/null; then