From patchwork Thu Aug 19 03:30:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Hua X-Patchwork-Id: 44700 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 2040D3990C28 for ; Thu, 19 Aug 2021 03:30:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2040D3990C28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1629343852; bh=hLiF5KsEwMxaB/g01KiKAOCrMe8sOuDIHjqoXyeieL0=; h=Date:Subject:To:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=OIpx7tzw/ts4cpKkig9JNcIVsYDtul9VayjXhGiG6smhN3fbMV6TvmcfljK3YKfNN gVpc3IHDY2u13h4EIDdcY/x9uduxEtZfIx6FwDh9wdrqcheIy3EOUVTfJj8SUixHRT gUcHxWrFf7BUbgKJvMNSvBO4I1hhraJY06SDT3FE= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-yb1-xb35.google.com (mail-yb1-xb35.google.com [IPv6:2607:f8b0:4864:20::b35]) by sourceware.org (Postfix) with ESMTPS id 002E1384C007 for ; Thu, 19 Aug 2021 03:30:27 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 002E1384C007 Received: by mail-yb1-xb35.google.com with SMTP id k65so9495362yba.13 for ; Wed, 18 Aug 2021 20:30:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=hLiF5KsEwMxaB/g01KiKAOCrMe8sOuDIHjqoXyeieL0=; b=Wpf42f3tJr13uyl1wFGMCa3MYR+wlrlmUZ0ft+71bvNsoNVrltqVxYAA/9wx5REYQ0 r/upwCBIwjNsvj2zF2vWtn7ZqSmqhyGaK1UzPYy5eWaSaVe9FFoq5CVpcgYNWY9XojpV zV5O7aLTL9rsafZGJzi9WHdfC3GE6KQlK3n2FY+KhLtMn8EHK4CY+Hj4asTBfO2ZTjBH CFsGzJ5Cq2a+XyVgJ4nGM8fQDjnrKqcMpfEryX04YtszHHiN7MNI05dotgOrZN4fOebZ o5NTvrRlZcZ9Lpp9gR4BTVSGJNsWoyUUDPOYrz0lTGxtmxWk0Y89nV7QB6LLx7Ruv40r 98Hw== X-Gm-Message-State: AOAM530TWg2snVHHDfqSBU3rryb9sqe/r9zeMG1CWtNQnYBLErUQxYkU 2cqoaQpDLpe6+wlH49uthi2TtC+0UKIWDRSI5nXPOFU08mLI5A== X-Google-Smtp-Source: ABdhPJyYvJ/65ebMP971eHc5tvXnQgYneqqv/CRiYg72gWneG8o5r/ahgpeyI8U+7/9NKMv1yevpjkexORJxsU3ZjFg= X-Received: by 2002:a5b:c52:: with SMTP id d18mr15628228ybr.248.1629343827553; Wed, 18 Aug 2021 20:30:27 -0700 (PDT) MIME-Version: 1.0 Date: Thu, 19 Aug 2021 11:30:16 +0800 Message-ID: Subject: [PATCH 1/14] [LoongArch] Add relocations and ELF flags to elf.h To: libc-alpha@sourceware.org X-Spam-Status: No, score=-8.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Paul Hua via Libc-alpha From: Paul Hua Reply-To: Paul Hua Cc: Xu Chenghua , huangpei@loongson.cn, caiyinyu@loongson.cn Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" From 07569b3406100ecc60b175cb7cfadf13547fe38d Mon Sep 17 00:00:00 2001 From: caiyinyu Date: Tue, 27 Jul 2021 15:14:34 +0800 Subject: [PATCH 01/14] LoongArch: Add relocations and ELF flags to elf.h * elf/elf.h (EM_LOONGARCH): New define. (EF_LARCH_ABI): Likewise. (EF_LARCH_ABI_LP64): Likewise. (EF_LARCH_ABI_LP32): Likewise. (R_LARCH_NONE): Likewise. (R_LARCH_32): Likewise. (R_LARCH_64): Likewise. (R_LARCH_RELATIVE): Likewise. (R_LARCH_COPY): Likewise. (R_LARCH_JUMP_SLOT): Likewise. (R_LARCH_TLS_DTPMOD32): Likewise. (R_LARCH_TLS_DTPMOD64): Likewise. (R_LARCH_TLS_DTPREL32): Likewise. (R_LARCH_TLS_DTPREL64): Likewise. (R_LARCH_TLS_TPREL32): Likewise. (R_LARCH_TLS_TPREL64): Likewise. (R_LARCH_IRELATIVE): Likewise. (R_LARCH_MARK_LA): Likewise. (R_LARCH_MARK_PCREL): Likewise. (R_LARCH_SOP_PUSH_PCREL): Likewise. (R_LARCH_SOP_PUSH_ABSOLUTE): Likewise. (R_LARCH_SOP_PUSH_DUP): Likewise. (R_LARCH_SOP_PUSH_GPREL): Likewise. (R_LARCH_SOP_PUSH_TLS_TPREL): Likewise. (R_LARCH_SOP_PUSH_TLS_GOT): Likewise. (R_LARCH_SOP_PUSH_TLS_GD): Likewise. (R_LARCH_SOP_PUSH_PLT_PCREL): Likewise. (R_LARCH_SOP_ASSERT): Likewise. (R_LARCH_SOP_NOT): Likewise. (R_LARCH_SOP_SUB): Likewise. (R_LARCH_SOP_SL): Likewise. (R_LARCH_SOP_SR): Likewise. (R_LARCH_SOP_ADD): Likewise. (R_LARCH_SOP_AND): Likewise. (R_LARCH_SOP_IF_ELSE): Likewise. (R_LARCH_SOP_POP_32_S_10_5): Likewise. (R_LARCH_SOP_POP_32_U_10_12): Likewise. (R_LARCH_SOP_POP_32_S_10_12): Likewise. (R_LARCH_SOP_POP_32_S_10_16): Likewise. (R_LARCH_SOP_POP_32_S_10_16_S2): Likewise. (R_LARCH_SOP_POP_32_S_5_20): Likewise. (R_LARCH_SOP_POP_32_S_0_5_10_16_S2): Likewise. (R_LARCH_SOP_POP_32_S_0_10_10_16_S2): Likewise. (R_LARCH_SOP_POP_32_U): Likewise. (R_LARCH_ADD8): Likewise. (R_LARCH_ADD16): Likewise. (R_LARCH_ADD24): Likewise. (R_LARCH_ADD32): Likewise. (R_LARCH_ADD64): Likewise. (R_LARCH_SUB8): Likewise. (R_LARCH_SUB16): Likewise. (R_LARCH_SUB24): Likewise. (R_LARCH_SUB32): Likewise. (R_LARCH_SUB64): Likewise. (R_LARCH_GNU_VTINHERIT): Likewise. (R_LARCH_GNU_VTENTRY): Likewise. --- elf/elf.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 71 insertions(+), 1 deletion(-) diff --git a/elf/elf.h b/elf/elf.h index 4738dfa28f..03ece6832d 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -358,8 +358,9 @@ typedef struct #define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */ #define EM_CSKY 252 /* C-SKY */ +#define EM_LOONGARCH 258 /* LoongArch */ -#define EM_NUM 253 +#define EM_NUM 259 /* Old spellings/synonyms. */ @@ -4034,6 +4035,75 @@ enum #define R_NDS32_TLS_TPOFF 102 #define R_NDS32_TLS_DESC 119 +/* LoongArch ELF Flags */ +#define EF_LARCH_ABI 0x0003 +#define EF_LARCH_ABI_LP64 0x0003 +#define EF_LARCH_ABI_LP32 0x0001 + +/* LoongArch specific dynamic relocations */ +#define R_LARCH_NONE 0 +#define R_LARCH_32 1 +#define R_LARCH_64 2 +#define R_LARCH_RELATIVE 3 +#define R_LARCH_COPY 4 +#define R_LARCH_JUMP_SLOT 5 +#define R_LARCH_TLS_DTPMOD32 6 +#define R_LARCH_TLS_DTPMOD64 7 +#define R_LARCH_TLS_DTPREL32 8 +#define R_LARCH_TLS_DTPREL64 9 +#define R_LARCH_TLS_TPREL32 10 +#define R_LARCH_TLS_TPREL64 11 +#define R_LARCH_IRELATIVE 12 + +/* Reserved for future relocs that the dynamic linker must understand. */ + +/* used by the static linker for relocating .text. */ +#define R_LARCH_MARK_LA 20 +#define R_LARCH_MARK_PCREL 21 +#define R_LARCH_SOP_PUSH_PCREL 22 +#define R_LARCH_SOP_PUSH_ABSOLUTE 23 +#define R_LARCH_SOP_PUSH_DUP 24 +#define R_LARCH_SOP_PUSH_GPREL 25 +#define R_LARCH_SOP_PUSH_TLS_TPREL 26 +#define R_LARCH_SOP_PUSH_TLS_GOT 27 +#define R_LARCH_SOP_PUSH_TLS_GD 28 +#define R_LARCH_SOP_PUSH_PLT_PCREL 29 + +#define R_LARCH_SOP_ASSERT 30 +#define R_LARCH_SOP_NOT 31 +#define R_LARCH_SOP_SUB 32 +#define R_LARCH_SOP_SL 33 +#define R_LARCH_SOP_SR 34 +#define R_LARCH_SOP_ADD 35 +#define R_LARCH_SOP_AND 36 +#define R_LARCH_SOP_IF_ELSE 37 +#define R_LARCH_SOP_POP_32_S_10_5 38 +#define R_LARCH_SOP_POP_32_U_10_12 39 +#define R_LARCH_SOP_POP_32_S_10_12 40 +#define R_LARCH_SOP_POP_32_S_10_16 41 +#define R_LARCH_SOP_POP_32_S_10_16_S2 42 +#define R_LARCH_SOP_POP_32_S_5_20 43 +#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 +#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 +#define R_LARCH_SOP_POP_32_U 46 + +/* used by the static linker for relocating non .text. */ +#define R_LARCH_ADD8 47 +#define R_LARCH_ADD16 48 +#define R_LARCH_ADD24 49 +#define R_LARCH_ADD32 50 +#define R_LARCH_ADD64 51 +#define R_LARCH_SUB8 52 +#define R_LARCH_SUB16 53 +#define R_LARCH_SUB24 54 +#define R_LARCH_SUB32 55 +#define R_LARCH_SUB64 56 + + /* I don't know what it is. Existing in almost all other arch. */ +#define R_LARCH_GNU_VTINHERIT 57 +#define R_LARCH_GNU_VTENTRY 58 + + /* ARCompact/ARCv2 specific relocs. */ #define R_ARC_NONE 0x0 #define R_ARC_8 0x1 -- 2.27.0