From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752509AbeCMIsk (ORCPT ); Tue, 13 Mar 2018 04:48:40 -0400 Received: from exmail.andestech.com ([59.124.169.137]:41559 "EHLO ATCSQR.andestech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752491AbeCMIsh (ORCPT ); Tue, 13 Mar 2018 04:48:37 -0400 From: Zong Li To: , , , , , CC: Subject: [PATCH 09/11] RISC-V: Support SUB32 relocation type in kernel module Date: Tue, 13 Mar 2018 16:35:14 +0800 Message-ID: <12107d5a69684e0a5c260e8ed1cad313cb8a03b5.1520928420.git.zong@andestech.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.0.1.85] X-DNSRBL: X-MAIL: ATCSQR.andestech.com w2D8XfOW025150 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Zong Li --- arch/riscv/kernel/module.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index 2d14dff22861..4228270efe93 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -253,6 +253,13 @@ static int apply_r_riscv_add32_rela(struct module *me, u32 *location, return 0; } +static int apply_r_riscv_sub32_rela(struct module *me, u32 *location, + Elf_Addr v) +{ + *(u32 *)location -= (*(u32 *)v); + return 0; +} + static int (*reloc_handlers_rela[]) (struct module *me, u32 *location, Elf_Addr v) = { [R_RISCV_64] = apply_r_riscv_64_rela, @@ -272,6 +279,7 @@ static int (*reloc_handlers_rela[]) (struct module *me, u32 *location, [R_RISCV_RELAX] = apply_r_riscv_relax_rela, [R_RISCV_ALIGN] = apply_r_riscv_align_rela, [R_RISCV_ADD32] = apply_r_riscv_add32_rela, + [R_RISCV_SUB32] = apply_r_riscv_sub32_rela, }; int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, -- 2.16.1