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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 v5 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(). 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 18b13a7013..71d59d4ab6 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