From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 14 Jan 2026 13:15:27 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vfzmZ-001EIH-2F for lore@lore.pengutronix.de; Wed, 14 Jan 2026 13:15:27 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vfzmX-0002N9-PK for lore@pengutronix.de; Wed, 14 Jan 2026 13:15:27 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bbP9BE2CZdup/g/5xf3hFzYxrYk6Atcc5u9O4Q8L6GY=; b=Pqlb2BB5brSUc/uw117MQ9gOIW gjqWRrvWpzL1NcvEOHLmljljGT7XbydJ2j4yCBlYN4Gmio3tnlSNnZddHf56AwnUYhQtmgp/3uODH tIHtpr6js/w25EuXIBGl4VB62begPtse+P/dZKqWfDncNZTjfC/JIlxvKhLFl/f5nODwX+lykkDGj YzqbvpeVz0lk/VwNaFyBVZX98jjvm9LA9hixOfJ39d84LVfRSh2KRtFInJztHlSr55tRCOieb3E5v zaF4+JTCTYkgp46xNP8SClK0zJ2PjTG8bZGN9C1mzLNrK3fGGt5Z/LcXZKzXlIyz3Rpqk8nU4W0Ip spLToACQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vfzm1-000000098Ko-0U1T; Wed, 14 Jan 2026 12:14:53 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vfzlu-000000098De-24DL for barebox@lists.infradead.org; Wed, 14 Jan 2026 12:14:51 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vfzlc-0001if-Qk; Wed, 14 Jan 2026 13:14:28 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vfzld-000aPT-0B; Wed, 14 Jan 2026 13:14:28 +0100 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1vfzlc-00000000TKs-14ZI; Wed, 14 Jan 2026 13:14:28 +0100 From: Sascha Hauer Date: Wed, 14 Jan 2026 13:14:33 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260114-pbl-load-elf-v4-8-0afa78d95a7e@pengutronix.de> References: <20260114-pbl-load-elf-v4-0-0afa78d95a7e@pengutronix.de> In-Reply-To: <20260114-pbl-load-elf-v4-0-0afa78d95a7e@pengutronix.de> To: BAREBOX X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1768392868; l=1248; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=e+/f3I5SsBPOVqmnd9++mvw+45+N3WWjg8Jd6SIfCM4=; b=F4xBhvXsFMMRW8nxmqS0Cbp3sJKwxMRiPJTUiYZ5hz5OBwfXPywuwJ4cK9H8SCfp7hNEe9LSc n9JT+fsyKbOCtaHuGaw4lgNN5eNcr5mSIoACurIY9I31aEAPMyEhLD4 X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260114_041449_331258_9874DE4C X-CRM114-Status: UNSURE ( 8.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Claude Sonnet 4.5" , Ahmad Fatoum Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v4 08/22] riscv: implement elf_apply_relocations() for ELF relocation support X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Add architecture-specific ELF relocation support for RISC-V, enabling dynamic relocation of position-independent ELF binaries. The implemetation reuses the existing relocate_image(). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 Reviewed-by: Ahmad Fatoum Signed-off-by: Sascha Hauer --- arch/riscv/lib/reloc.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/riscv/lib/reloc.c b/arch/riscv/lib/reloc.c index 18b13a7013cff4032c12b999470f265dbda13c51..71d59d4ab62ec07e23bc2ae3d9932f8d2baa7a81 100644 --- a/arch/riscv/lib/reloc.c +++ b/arch/riscv/lib/reloc.c @@ -75,3 +75,19 @@ void relocate_to_current_adr(void) sync_caches_for_execution(); } + +int elf_apply_relocations(struct elf_image *elf, const void *dyn_seg) +{ + void *rela_ptr = NULL, *symtab = NULL; + u64 relasz; + phys_addr_t base = (phys_addr_t)elf->reloc_offset; + int ret; + + ret = elf_parse_dynamic_section_rela(elf, dyn_seg, &rela_ptr, &relasz, &symtab); + if (ret) + return ret; + + relocate_image(base, rela_ptr, rela_ptr + relasz, symtab, NULL); + + return 0; +} -- 2.47.3