From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id 39B7D3893657 for ; Mon, 5 Dec 2022 08:05:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 39B7D3893657 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [10.2.5.5]) by gateway (Coremail) with SMTP id _____8AxDOs6po1jzjkDAA--.7421S3; Mon, 05 Dec 2022 16:05:14 +0800 (CST) Received: from 5.5.5 (unknown [10.2.5.5]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxPuIzpo1jIdYlAA--.27857S3; Mon, 05 Dec 2022 16:05:14 +0800 (CST) From: mengqinggang To: binutils@sourceware.org Cc: xuchenghua@loongson.cn, liuzhensong@loongson.cn, chenglulu@loongson.cn, xry111@xry111.site, i.swmail@xen0n.name, maskray@google.com, mengqinggang Subject: [PATCH v1 1/6] LoongArch: include: Add support for linker relaxation. Date: Mon, 5 Dec 2022 16:04:48 +0800 Message-Id: <20221205080453.1352069-2-mengqinggang@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221205080453.1352069-1-mengqinggang@loongson.cn> References: <20221205080453.1352069-1-mengqinggang@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:AQAAf8DxPuIzpo1jIdYlAA--.27857S3 X-CM-SenderInfo: 5phqw15lqjwttqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjvJXoW7KrW5Wr45CF1xuw4fXr1kZrb_yoW8Ar13pF 9xAw45CFWFkFnrur9Yvw1xArs3X3yxKFW2qFyfZa10krsrJryUZr47CF1DAFW2qw4YqrWa vryfuw15WF95tr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b7AYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVWUJVWUCwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwA2z4 x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4UJVWxJr1l e2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27wAqx4xG64xvF2 IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JF0_Jw1lYx0Ex4A2jsIE14v26r1j6r4U McvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwIxGrwCFx2 IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v2 6r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67 AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IY s7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr 0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU82g43UUUUU== X-Spam-Status: No, score=-13.6 required=5.0 tests=BAYES_00,GIT_PATCH_0,KAM_DMARC_STATUS,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: Add relocs and gas LARCH_opts.relax option. include/ChangeLog: * elf/loongarch.h: Add relocs. * opcode/loongarch.h: Add LARCH_opts.relax and macro LARCH_NOP. --- include/elf/loongarch.h | 20 ++++++++++++++++++++ include/opcode/loongarch.h | 3 +++ 2 files changed, 23 insertions(+) diff --git a/include/elf/loongarch.h b/include/elf/loongarch.h index a6341b46791..0ecddd17b37 100644 --- a/include/elf/loongarch.h +++ b/include/elf/loongarch.h @@ -229,6 +229,26 @@ RELOC_NUMBER (R_LARCH_32_PCREL, 99) /* RELAX. */ RELOC_NUMBER (R_LARCH_RELAX, 100) +/* relax delete. */ +RELOC_NUMBER (R_LARCH_DELETE, 101) + +/* relax align. */ +RELOC_NUMBER (R_LARCH_ALIGN, 102) + +/* pcaddi. */ +RELOC_NUMBER (R_LARCH_PCREL20_S2, 103) + +/* cfa. */ +RELOC_NUMBER (R_LARCH_CFA, 104) + +/* DW_CFA_advance_loc. */ +RELOC_NUMBER (R_LARCH_ADD6, 105) +RELOC_NUMBER (R_LARCH_SUB6, 106) + +/* unsinged leb128. */ +RELOC_NUMBER (R_LARCH_ADD_ULEB128, 107) +RELOC_NUMBER (R_LARCH_SUB_ULEB128, 108) + END_RELOC_NUMBERS (R_LARCH_count) /* Processor specific flags for the ELF header e_flags field. */ diff --git a/include/opcode/loongarch.h b/include/opcode/loongarch.h index c3922348a56..71570e9acc2 100644 --- a/include/opcode/loongarch.h +++ b/include/opcode/loongarch.h @@ -28,6 +28,8 @@ extern "C" { #endif + #define LARCH_NOP 0x03400000 + typedef uint32_t insn_t; struct loongarch_opcode @@ -228,6 +230,7 @@ dec2 : [1-9][0-9]? #define ase_gpcr isa.use_la_global_with_pcrel #define ase_gabs isa.use_la_global_with_abs + int relax; } LARCH_opts; extern size_t loongarch_insn_length (insn_t insn); -- 2.36.0