From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 73269258CF5; Mon, 9 Jun 2025 13:53:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749477209; cv=none; b=gaP/xdsVKSoVc2aEUF4cWc8eVEJzJlDIhuW9ExcgKKU2mS/HvzfWHLYmD3va25CxGFFEa8+uERri8za/eZvD95Ms3oMZQ2V52xYHF2n/fUUWd+aH7TEkUTlFW6+iKQeRnU8DW/o1Wv4faiq7YjkLqBRljeAMa1opyUqvbmQ6HJY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749477209; c=relaxed/simple; bh=9pd6b+hFtdXp1Xik64bJuC7kG63/UbMRrc+/YUilNC4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=UHG1j4Mm11qnarObDuPJSYSJVrQ+px8ubBO2WAWIfY0lieotrmfQ9WrTGOj6jKL7U67fYOdZwrabv/KcxJwydt25elKFdo4Xer2WJlrzDHW7iWOYUoVMxU/RpBxqr4Gm4yvFDx1wMXhfg7VWc4cMvquXyvmZ751J2kPi4a1G7qU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GJKAAvi0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GJKAAvi0" Received: by smtp.kernel.org (Postfix) with ESMTPS id 06EF9C4CEED; Mon, 9 Jun 2025 13:53:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749477209; bh=9pd6b+hFtdXp1Xik64bJuC7kG63/UbMRrc+/YUilNC4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=GJKAAvi0B7wDKDFdXgVgQclZskH6mFXHAVYwjmC6r/xNSJTsVt6Hw+t++rbLrBo5P rxUq3Xnj5/ff3a4Mtx2Wt0XS82GBohs/3oPDd2Mj01xl/ox0TlyTMrdHuCWemmcXL+ +r7OlOs/2w/7Z2/d4BHcyIlSwWACbXEapUh/IKaCR8OkA6DXqDaNdeNAzj26+lW8Sa I896t8gh4Bd5/vy5VZzpVeFKdbJb9EsQqDYI+DjvPZlWqE05MgIb7lV61ftcEfX8jO lUj5eYacMriUZ6CX0P0nJ39TI3aj1LISfY1FXbcER5F4WBOYnSNCo/uaRYpjxcK7L+ ZhMyVwCC7QdxQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF2E3C61CE8; Mon, 9 Jun 2025 13:53:28 +0000 (UTC) From: Koakuma via B4 Relay Date: Mon, 09 Jun 2025 20:53:11 +0700 Subject: [PATCH 1/2] sparc/module: Add R_SPARC_UA64 relocation handling Precedence: bulk X-Mailing-List: sparclinux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250609-b4-sparc-relocs-v1-1-aa52631735af@protonmail.com> References: <20250609-b4-sparc-relocs-v1-0-aa52631735af@protonmail.com> In-Reply-To: <20250609-b4-sparc-relocs-v1-0-aa52631735af@protonmail.com> To: "David S. Miller" , Andreas Larsson , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Koakuma X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1749477207; l=1232; i=koachan@protonmail.com; s=20240620; h=from:subject:message-id; bh=zZw7JuY1ThhmEZ0ymDbJ7RVlj2O2wrZSNN0ELhatlwE=; b=pHlzGFwzlR+zbyyljMmoJCIWTRSZ1KYty5KLvm70wsrv8QhaNHteqxP6kWlGWfp2pGhYWm5bF YgNEPBUbhgXBD3RU8jEfojmrWWyKjf72glTLmx/evMhRBhF2V5aqBCf X-Developer-Key: i=koachan@protonmail.com; a=ed25519; pk=UA59FS3yiAA1cnAAUZ1rehTmr6skh95PgkNRBLcoKCg= X-Endpoint-Received: by B4 Relay for koachan@protonmail.com/20240620 with auth_id=174 X-Original-From: Koakuma Reply-To: koachan@protonmail.com From: Koakuma This is needed so that the kernel can handle R_SPARC_UA64 relocations, which is emitted by LLVM's IAS. Signed-off-by: Koakuma --- arch/sparc/include/asm/elf_64.h | 1 + arch/sparc/kernel/module.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h index 8fb09eec8c3e796a9a79aa0a7877842ceb7ea6d3..694ed081cf8d99adf70be25e5dc0e30a45f70398 100644 --- a/arch/sparc/include/asm/elf_64.h +++ b/arch/sparc/include/asm/elf_64.h @@ -58,6 +58,7 @@ #define R_SPARC_7 43 #define R_SPARC_5 44 #define R_SPARC_6 45 +#define R_SPARC_UA64 54 /* Bits present in AT_HWCAP, primarily for Sparc32. */ #define HWCAP_SPARC_FLUSH 0x00000001 diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index b8c51cc23d96944037494f13d2d65a43bb187729..6e3d4dde4f9ab33040b300c40d5fd5d0584e166d 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -87,6 +87,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs, break; #ifdef CONFIG_SPARC64 case R_SPARC_64: + case R_SPARC_UA64: location[0] = v >> 56; location[1] = v >> 48; location[2] = v >> 40; -- 2.49.0