From: liuzhensong <liuzhensong@loongson.cn>
To: Alan Modra <amodra@gmail.com>
Cc: binutils@sourceware.org
Subject: Re: [PATCH] objcopy: Add elf header e_flags option in objcopy.
Date: Fri, 15 Apr 2022 15:24:12 +0800 [thread overview]
Message-ID: <cb9c0666-17ea-b93e-2085-e68a3c75f2ca@loongson.cn> (raw)
In-Reply-To: <YljSdWJH9kkkKePS@squeak.grove.modra.org>
On 2022/4/15 上午10:03, Alan Modra wrote:
> On Thu, Apr 14, 2022 at 07:29:06PM +0800, liuzhensong wrote:
>> @@ -660,6 +666,7 @@ copy_usage (FILE *stream, int exit_status)
>> --weaken-symbols <file> -W for all symbols listed in <file>\n\
>> --add-symbol <name>=[<section>:]<value>[,<flags>] Add a symbol\n\
>> --alt-machine-code <index> Use the target's <index>'th alternative machine\n\
>> + --alt-elf-eflags=<value> Use the alternative elf header e_flags\n\
> Don't use tabs in help messages.
>
>> --writable-text Mark the output text as writable\n\
>> --readonly-text Make the output text write protected\n\
>> --pure Mark the output file as demand paged\n\
>> @@ -3496,6 +3503,11 @@ copy_object (bfd *ibfd, bfd *obfd, const bfd_arch_info_type *input_arch)
>> }
>> }
>>
>> + if (alt_elf_eflags_set)
>> + {
>> + elf_elfheader (obfd)->e_flags = alt_elf_eflags;
>> + }
>> +
> Needs a check bfd_get_flavour (obfd) == bfd_target_elf_flavour before
> writing a field only in ELF bfd, and no need for braces.
>
> Also, please update binutils/doc.texi with the new objcopy option.
>
I will send a v2 with the requested changes.
Thanks for the review.
--
liuzhensong
prev parent reply other threads:[~2022-04-15 7:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-14 11:29 liuzhensong
2022-04-15 2:03 ` Alan Modra
2022-04-15 7:24 ` liuzhensong [this message]
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