From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from xry111.site (xry111.site [IPv6:2001:470:683e::1]) by sourceware.org (Postfix) with ESMTPS id ED3143858C2C for ; Sat, 26 Aug 2023 16:38:16 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org ED3143858C2C Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=xry111.site Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=xry111.site DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1693067894; bh=LoAAkyJtQ5cBQHDlbjdU/H3+Tf5XUUk2loEazWlkg2U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Lpc5vYtVcmXPCRQXBziihYUftixitFjgYrDJZy8yQPH0XIWlpHqpklc8Rrr5ZfZU5 6K+XXJm/iRArc9ycDAruY0fCOpV8ezyp0PVWVmBsCtN4HRISZBWT3x7JQieqdWMKpK 7J/PqBeA+xMfSk9LlJ8x3tn72m5T4AJzGkpnFOB4= Received: from stargazer.. (unknown [IPv6:240e:358:1189:1100:dc73:854d:832e:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id 7F144659AC; Sat, 26 Aug 2023 12:38:11 -0400 (EDT) From: Xi Ruoyao To: libc-alpha@sourceware.org Cc: Adhemerval Zanella Netto , caiyinyu , WANG Xuerui , Xi Ruoyao Subject: [PATCH 2/3] LoongArch: Remove support code for old linker in start.S Date: Sun, 27 Aug 2023 00:36:50 +0800 Message-ID: <20230826163651.35828-3-xry111@xry111.site> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230826163651.35828-1-xry111@xry111.site> References: <20230826163651.35828-1-xry111@xry111.site> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-8.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,LIKELY_SPAM_FROM,SPF_HELO_PASS,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: We are requiring Binutils >= 2.41, so la.pcrel always works here. Signed-off-by: Xi Ruoyao --- sysdeps/loongarch/start.S | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/sysdeps/loongarch/start.S b/sysdeps/loongarch/start.S index e9d82033b7..bf6bfc9ea4 100644 --- a/sysdeps/loongarch/start.S +++ b/sysdeps/loongarch/start.S @@ -60,20 +60,7 @@ ENTRY (ENTRY_POINT) cfi_undefined (1) or a5, a0, zero /* rtld_fini */ -#if ENABLE_STATIC_PIE -/* For static PIE, the GOT cannot be used in _start because the GOT entries are - offsets instead of real addresses before __libc_start_main. - __libc_start_main and/or main may be not local, so we rely on the linker to - produce PLT entries for them. GNU ld >= 2.40 supports this. */ -# define LA la.pcrel -#else -/* Old GNU ld (< 2.40) cannot handle PC relative address against a non-local - function correctly. We deem these old linkers failing to support static PIE - and load the addresses from GOT. */ -# define LA la.got -#endif - - LA a0, t0, main + la.pcrel a0, t0, main REG_L a1, sp, 0 ADDI a2, sp, SZREG @@ -84,9 +71,9 @@ ENTRY (ENTRY_POINT) move a4, zero /* used to be fini */ or a6, sp, zero /* stack_end */ - LA ra, t0, __libc_start_main + la.pcrel ra, t0, __libc_start_main jirl ra, ra, 0 - LA ra, t0, abort + la.pcrel ra, t0, abort jirl ra, ra, 0 END (ENTRY_POINT) -- 2.42.0