From: Hannes Domani <ssbssa@yahoo.de>
To: "binutils@sourceware.org" <binutils@sourceware.org>,
changjiachen <changjiachen@stu.xupt.edu.cn>
Cc: "xuchenghua@loongson.cn" <xuchenghua@loongson.cn>,
"chenglulu@loongson.cn" <chenglulu@loongson.cn>,
"liuzhensong@loongson.cn" <liuzhensong@loongson.cn>,
"xry111@xry111.site" <xry111@xry111.site>,
"i.swmail@xen0n.name" <i.swmail@xen0n.name>,
"maskray@google.com" <maskray@google.com>,
"cailulu@loongson.cn" <cailulu@loongson.cn>,
"luweining@loongson.cn" <luweining@loongson.cn>,
"wanglei@loongson.cn" <wanglei@loongson.cn>,
"hejinyang@loongson.cn" <hejinyang@loongson.cn>,
"lazy_linux@126.com" <lazy_linux@126.com>,
"mengqinggang@loongson.cn" <mengqinggang@loongson.cn>
Subject: Re: [PATCH v5 1/5] LoongArch: bfd: Add support for tls le relax.
Date: Fri, 29 Dec 2023 09:53:08 +0000 (UTC) [thread overview]
Message-ID: <1635652366.9475871.1703843588198@mail.yahoo.com> (raw)
In-Reply-To: <20231228033957.108449-2-changjiachen@stu.xupt.edu.cn>
Am Donnerstag, 28. Dezember 2023, 04:41:38 MEZ hat changjiachen <changjiachen@stu.xupt.edu.cn> 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:
>
> * bfd-in2.h: Add relocs related to tls le relax.
> * elfnn-loongarch.c:
> (loongarch_relax_tls_le): New function.
> (RELOCATE_TLS_TP32_HI20): New macro.
> (loongarch_elf_check_relocs): Add new reloc support.
> (perform_relocation): Likewise.
> (loongarch_elf_relocate_section): Handle new relocs related to relax.
> (loongarch_elf_relax_section): Likewise.
> * elfxx-loongarch.c:
> (LOONGARCH_HOWTO (R_LARCH_TLS_LE_ADD_R)): New reloc how to type.
> (LOONGARCH_HOWTO (R_LARCH_TLS_LE_HI20_R)): Likewise.
> (LOONGARCH_HOWTO (R_LARCH_TLS_LE_LO12_R)): Likewise.
> * libbfd.h: Add relocs related to tls le relax.
> * reloc.c: Likewise.
> ---
> bfd/bfd-in2.h | 4 +++
> bfd/elfnn-loongarch.c | 75 +++++++++++++++++++++++++++++++++++++++++++
> bfd/elfxx-loongarch.c | 55 ++++++++++++++++++++++++++++---
> bfd/libbfd.h | 3 ++
> bfd/reloc.c | 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
next prev parent reply other threads:[~2023-12-29 9:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-28 3:39 [PATCH v5 0/5] LoongArch tls le model linker relaxation support changjiachen
2023-12-28 3:39 ` [PATCH v5 1/5] LoongArch: bfd: Add support for tls le relax changjiachen
2023-12-29 9:53 ` Hannes Domani [this message]
2023-12-29 10:18 ` 常佳琛
2023-12-29 12:39 ` Xi Ruoyao
2023-12-28 3:39 ` [PATCH v5 2/5] LoongArch: include: " changjiachen
2023-12-28 3:39 ` [PATCH v5 3/5] LoongArch: opcodes: " changjiachen
2023-12-28 3:39 ` [PATCH v5 4/5] LoongArch: gas: " changjiachen
2023-12-28 3:39 ` [PATCH v5 5/5] LoongArch: ld: " changjiachen
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