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From: Luis Machado <luis.machado@linaro.org>
To: Alan Hayward <Alan.Hayward@arm.com>
Cc: gdb-patches <gdb-patches@sourceware.org>, nd <nd@arm.com>
Subject: Re: [PATCH] [AArch64] Fix incorrectly-defined SVE macro
Date: Mon, 10 Aug 2020 11:57:44 -0300	[thread overview]
Message-ID: <ab7194fc-ded5-34f2-5da9-f8378218703c@linaro.org> (raw)
In-Reply-To: <0C61C5A0-A1DD-48B8-874A-96ED095F14F7@arm.com>

On 8/10/20 5:52 AM, Alan Hayward wrote:
> 
> 
>> On 7 Aug 2020, at 18:00, Luis Machado <luis.machado@linaro.org> wrote:
>>
>> The kernel has fixed this here:
>>
>> https://lore.kernel.org/patchwork/patch/1029011/
>>
>> We should do the same for GDB, which is still carrying an incorrect
>> definition of the macro.  As stated in the kernel patch thread, this doesn't
>> actually change things because, luckily, the structs are of the same size.
>>
> 
> Ouch. Good find.
> 
>> YYYY-MM-DD  Luis Machado  <luis.machado@linaro.org>
>>
>> 	* nat/aarch64-sve-linux-sigcontext.h (SVE_PT_REGS_OFFSET): Use
>> 	struct user_sve_header instead of struct sve_context.
>> ---
>> gdb/nat/aarch64-sve-linux-sigcontext.h | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/gdb/nat/aarch64-sve-linux-sigcontext.h b/gdb/nat/aarch64-sve-linux-sigcontext.h
>> index 94fb1eca9c..52c5982608 100644
>> --- a/gdb/nat/aarch64-sve-linux-sigcontext.h
>> +++ b/gdb/nat/aarch64-sve-linux-sigcontext.h
>> @@ -166,7 +166,7 @@ struct user_sve_header {
>>
>> /* Offset from the start of struct user_sve_header to the register data */
>> #define SVE_PT_REGS_OFFSET					\
>> -	((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1))	\
>> +	((sizeof(struct user_sve_header) + (SVE_VQ_BYTES - 1))	\
> 
> Matches the Kernel change exactly. So, approved!

Thanks. Pushed now.


      reply	other threads:[~2020-08-10 14:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-07 17:00 Luis Machado
2020-08-10  8:52 ` Alan Hayward
2020-08-10 14:57   ` Luis Machado [this message]

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