[PATCH] objcopy: add option to specify custom symbol name for binary input

[H.J. Lu]

On Sat, Oct 25, 2025 at 8:42 AM Alon Bar-Lev <alon.barlev@gmail.com> wrote:
>
>
>
> On Sat, 25 Oct 2025 at 02:21, H.J. Lu <hjl.tools@gmail.com> wrote:
>>
>> On Sat, Oct 25, 2025 at 7:19 AM Alon Bar-Lev <alon.barlev@gmail.com> wrote:
>> >
>> > When using --input-target=binary, objcopy currently derives symbol names from
>> > a mangled version of the input file name.  This approach can lead to
>> > unpredictable results, as the generated symbols depend on the file path and
>> > working directory.
>> >
>> > This patch introduces a new option:
>> >
>> >   --input-symbol <name>    Use <name> as the base symbol name for the input file
>> >                            (default: derived from file name)
>> >
>> > It allows specifying an explicit symbol name, while preserving the existing
>> > behavior as a fallback.
>> >
>> > Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
>> > ---
>>
>> Tests are missing.
>>
>> --
>> H.J.
>
>
> Hi,
>
> I could not find reference to tests for the current implementation.
> I added tests, I had to guess the target output, please let me know if there is a better method.
>
> Thanks,
> Alon

You are adding a new option.  You must be using it yourself.
The outputs of the tests that you are adding should match your
expectation.  Your test should cover all aspects of the new
option.


--
H.J.