[Buildroot] [PATCH] package/gdb: gdb 7.9 fix uClibc build whitout MMU

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Dear Romain Naour,

On Fri, 10 Apr 2015 23:45:05 +0200, Romain Naour wrote:
> Signed-off-by: Romain Naour <romain.naour@openwide.fr>
> Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
> ---
>  .../0001-gdbserver-fix-uClibc-whithout-MMU.patch   | 38 ++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
>  create mode 100644 package/gdb/7.9/0001-gdbserver-fix-uClibc-whithout-MMU.patch
> 
> diff --git a/package/gdb/7.9/0001-gdbserver-fix-uClibc-whithout-MMU.patch b/package/gdb/7.9/0001-gdbserver-fix-uClibc-whithout-MMU.patch
> new file mode 100644
> index 0000000..23486a3
> --- /dev/null
> +++ b/package/gdb/7.9/0001-gdbserver-fix-uClibc-whithout-MMU.patch
> @@ -0,0 +1,38 @@
> +From d3988abfa6bb97dbcad3a0ff0961e920ce84b00c Mon Sep 17 00:00:00 2001
> +From: Romain Naour <romain.naour@openwide.fr>
> +Date: Fri, 10 Apr 2015 22:58:07 +0200
> +Subject: [PATCH] gdbserver: fix uClibc whithout MMU.
> +
> +Since commit d86d4aafd4fa22fa4cccb83253fb187b03f97f48, the pid
> +must be retrieved from current_thread.
> +
> +The change has not been made in the function linux_read_offsets().
> +
> +Fixes:
> +http://autobuild.buildroot.net/results/9e4/9e4df085319e346803c26c65478accb27eb950ae/build-end.log
> +
> +Signed-off-by: Romain Naour <romain.naour@openwide.fr>
> +
> +Conflicts:
> +	gdb/gdbserver/linux-low.c

This Conflicts info is probably not needed.

> +---
> + gdb/gdbserver/linux-low.c | 3 ++-
> + 1 file changed, 2 insertions(+), 1 deletion(-)
> +
> +diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c
> +index 4d19c87..23f012d 100644
> +--- a/gdb/gdbserver/linux-low.c
> ++++ b/gdb/gdbserver/linux-low.c
> +@@ -4933,7 +4933,8 @@ static int
> + linux_read_offsets (CORE_ADDR *text_p, CORE_ADDR *data_p)
> + {
> +   unsigned long text, text_end, data;
> +-  int pid = lwpid_of (get_thread_lwp (current_thread));
> ++

No need to add this empty line here.

> ++  int pid = lwpid_of (current_thread);

Can you respin a new version?

Thanks a lot!

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com