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Fri, 29 Dec 2023 09:53:12 +0000 Date: Fri, 29 Dec 2023 09:53:08 +0000 (UTC) From: Hannes Domani To: "binutils@sourceware.org" , changjiachen Cc: "xuchenghua@loongson.cn" , "chenglulu@loongson.cn" , "liuzhensong@loongson.cn" , "xry111@xry111.site" , "i.swmail@xen0n.name" , "maskray@google.com" , "cailulu@loongson.cn" , "luweining@loongson.cn" , "wanglei@loongson.cn" , "hejinyang@loongson.cn" , "lazy_linux@126.com" , "mengqinggang@loongson.cn" Message-ID: <1635652366.9475871.1703843588198@mail.yahoo.com> In-Reply-To: <20231228033957.108449-2-changjiachen@stu.xupt.edu.cn> References: <20231228033957.108449-1-changjiachen@stu.xupt.edu.cn> <20231228033957.108449-2-changjiachen@stu.xupt.edu.cn> Subject: Re: [PATCH v5 1/5] LoongArch: bfd: Add support for tls le relax. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Mailer: WebService/1.1.21952 YMailNorrin X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,BODY_8BITS,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE 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: Am Donnerstag, 28. Dezember 2023, 04:41:38 MEZ hat changjiachen Folgendes geschrieben: > Add tls le relax support and related relocs in bfd. > > New relocation related explanation can refer to the following url: > https://github.com/loongson/la-abi-specs/blob/release/laelf.adoc > > This support does two main things: > > 1. Implement support for three new relocation items in bfd. > > The three new relocation items are shown below: > > R_LARCH_TLS_LE_ADD_R > R_LARCH_TLS_LE_HI20_R > R_LARCH_TLS_LE_LO12_R > > 2. ADD a new macro RELOCATE_TLS_TP32_HI20 > > Handle problems caused by symbol extensions in TLS LE, The processing > is similar to the macro RELOCATE_CALC_PC32_HI20 method. > > 3. Implement the tls le relax function. > > bfd/ChangeLog: > >=C2=A0=C2=A0=C2=A0=C2=A0 * bfd-in2.h: Add relocs related to tls le relax. >=C2=A0=C2=A0=C2=A0=C2=A0 * elfnn-loongarch.c: >=C2=A0=C2=A0=C2=A0=C2=A0 (loongarch_relax_tls_le): New function. >=C2=A0=C2=A0=C2=A0=C2=A0 (RELOCATE_TLS_TP32_HI20): New macro. >=C2=A0=C2=A0=C2=A0=C2=A0 (loongarch_elf_check_relocs): Add new reloc suppo= rt. >=C2=A0=C2=A0=C2=A0=C2=A0 (perform_relocation): Likewise. >=C2=A0=C2=A0=C2=A0=C2=A0 (loongarch_elf_relocate_section): Handle new relo= cs related to relax. >=C2=A0=C2=A0=C2=A0=C2=A0 (loongarch_elf_relax_section): Likewise. >=C2=A0=C2=A0=C2=A0=C2=A0 * elfxx-loongarch.c: >=C2=A0=C2=A0=C2=A0=C2=A0 (LOONGARCH_HOWTO (R_LARCH_TLS_LE_ADD_R)): New rel= oc how to type. >=C2=A0=C2=A0=C2=A0=C2=A0 (LOONGARCH_HOWTO (R_LARCH_TLS_LE_HI20_R)): Likewi= se. >=C2=A0=C2=A0=C2=A0=C2=A0 (LOONGARCH_HOWTO (R_LARCH_TLS_LE_LO12_R)): Likewi= se. >=C2=A0=C2=A0=C2=A0=C2=A0 * libbfd.h: Add relocs related to tls le relax. >=C2=A0=C2=A0=C2=A0=C2=A0 * reloc.c: Likewise. > --- > bfd/bfd-in2.h=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0 4 +++ > bfd/elfnn-loongarch.c | 75 +++++++++++++++++++++++++++++++++++++++++++ > bfd/elfxx-loongarch.c | 55 ++++++++++++++++++++++++++++--- > bfd/libbfd.h=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2= =A0 3 ++ > bfd/reloc.c=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 |=C2=A0= 7 ++++ > 5 files changed, 139 insertions(+), 5 deletions(-) When this patch was committed, it also added a bfd/.elfnn-loongarch.c.swp file, and I doubt this was intentional. Regards Hannes