[PATCH] Fix build breakage on GNU/Linux AArch64 and use std::vector on tdesc.reg_defs

[Sergio Durigan Junior]

On Sunday, September 10 2017, Simon Marchi wrote:

> On 2017-09-10 07:50, Sergio Durigan Junior wrote:
>> This patch fixes the build breakage that has been happening on AArch64
>> since September 5th.  The breakage was introduced by the following
>> commit:
>>
>>   author	Yao Qi <yao.qi@linaro.org>
>> 	  Tue, 5 Sep 2017 04:54:52 -0400 (09:54 +0100)
>>   committer	Yao Qi <yao.qi@linaro.org>
>> 	  Tue, 5 Sep 2017 04:54:52 -0400 (09:54 +0100)
>>   commit	f7000548a2b79d7e5cb924468117ca4245e6b820
>>
>>   Use VEC for target_desc.reg_defs
>>
>> The build log for this commit can be seen here:
>>
>>
>> <https://gdb-build.sergiodj.net/builders/Ubuntu-AArch64-native-gdbserver-m64/builds/2696/steps/compile%20gdb/logs/stdio>
>>
>> And the underlying problem is that the code is not calling the new
>> function "allocate_target_description" to allocate the "struct
>> target_desc" using "new" instead of XNEW, which end up not properly
>> initializing the fields of the structure.
>>
>> I took the opportunity to convert the code to std::vector (instead of
>> VEC), which makes things even simpler.  This has been regtested on the
>> BuildBot, without regressions, and fixes the build breakage.
>
> Hi Sergio,
>
> This patch seems to do two independent changes:
>
>  - use allocate_target_description instead of XNEW
>  - replace VEC with std::vector
>
> Can you post separate patches?  You can push the first one directly, I
> would call it obvious (and it's the important bits to fix the build).
> The second one, Yao might want to take a look.

Sure thing, I'll split it and resubmit.  Thanks.

-- 
Sergio
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