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Re: [PATCH] Define _sbrk, read, _write as weak symbols
- From: Marcus Shawcroft <marcus dot shawcroft at gmail dot com>
- To: Joey Ye <joey dot ye at arm dot com>
- Cc: Newlib Mailing List <newlib at sourceware dot org>
- Date: Tue, 11 Feb 2014 14:53:20 +0000
- Subject: Re: [PATCH] Define _sbrk, read, _write as weak symbols
- Authentication-results: sourceware.org; auth=none
- References: <000001cf23de$76aa5520$63feff60$ at arm dot com>
On 7 February 2014 08:27, Joey Ye <joey.ye@arm.com> wrote:
> Users sometimes redefines _sbrk, _read and _write but would like to use
> other functions in rdimon. This patch defines them weak symbols to avoid
> multiple definition linker errors.
>
> Joey Ye <joey.ye@arm.com>
>
> ChangeLog.newlib:
> libc/sys/arm/syscalls.c (_sbrk): Define as weak symbols.
> (_read, _write): Ditto.
>
> ChangeLog.libgloss:
> arm/syscalls.c (_sbrk): Define as weak symbols.
> (_read, _write): Ditto.
Looks sensible to me, but I can;t approve.
/Marcus