Hi James
-Original Message-
From: James Greenhalgh
Sent: 18 April 2019 09:56
To: Sudakshina Das
Cc: Richard Henderson ; H.J. Lu
; Richard Henderson ;
gcc-patches@gcc.gnu.org; nd ; Richard Earnshaw
; Marcus Shawcroft ;
ni...@redhat.com
Subject: Re: [PATCH, GCC, AARCH64] Add GNU note
On Thu, Apr 04, 2019 at 05:01:06PM +0100, Sudakshina Das wrote:
> Hi Richard
>
> On 03/04/2019 11:28, Richard Henderson wrote:
> > On 4/3/19 5:19 PM, Sudakshina Das wrote:
> >> + /* PT_NOTE header: namesz, descsz, type.
> >> + namesz = 4 ("GNU\0")
> >> + descsz = 16 (Size of the program p
Ping.
On 04/04/2019 17:01, Sudakshina Das wrote:
> Hi Richard
>
> On 03/04/2019 11:28, Richard Henderson wrote:
>> On 4/3/19 5:19 PM, Sudakshina Das wrote:
>>> + /* PT_NOTE header: namesz, descsz, type.
>>> + namesz = 4 ("GNU\0")
>>> + descsz = 16 (Size of the program property array)
Hi Richard
On 03/04/2019 11:28, Richard Henderson wrote:
> On 4/3/19 5:19 PM, Sudakshina Das wrote:
>> + /* PT_NOTE header: namesz, descsz, type.
>> + namesz = 4 ("GNU\0")
>> + descsz = 16 (Size of the program property array)
>> + type = 5 (NT_GNU_PROPERTY_TYPE_0). */
>> +
On 4/3/19 5:19 PM, Sudakshina Das wrote:
> + /* PT_NOTE header: namesz, descsz, type.
> + namesz = 4 ("GNU\0")
> + descsz = 16 (Size of the program property array)
> + type = 5 (NT_GNU_PROPERTY_TYPE_0). */
> + assemble_align (POINTER_SIZE);
> + assemble_integer (GEN
Hi Richard
On 02/04/2019 10:25, Sudakshina Das wrote:
> Hi
>
> On 02/04/2019 03:27, H.J. Lu wrote:
>> On Tue, Apr 2, 2019 at 10:05 AM Richard Henderson
>> wrote:
>>>
>>> On 4/1/19 8:53 PM, Sudakshina Das wrote:
> This could stand to use a comment, a moment's thinking about the
> sizes,
Hi
On 02/04/2019 03:27, H.J. Lu wrote:
> On Tue, Apr 2, 2019 at 10:05 AM Richard Henderson wrote:
>>
>> On 4/1/19 8:53 PM, Sudakshina Das wrote:
This could stand to use a comment, a moment's thinking about the sizes,
and to
use the existing asm output functions.
/*
On Tue, Apr 2, 2019 at 10:05 AM Richard Henderson wrote:
>
> On 4/1/19 8:53 PM, Sudakshina Das wrote:
> >> This could stand to use a comment, a moment's thinking about the sizes,
> >> and to
> >> use the existing asm output functions.
> >>
> >> /* PT_NOTE header: namesz, descsz, type.
> >>
On 4/1/19 8:53 PM, Sudakshina Das wrote:
>> This could stand to use a comment, a moment's thinking about the sizes, and
>> to
>> use the existing asm output functions.
>>
>> /* PT_NOTE header: namesz, descsz, type.
>> namesz = 4 ("GNU\0")
>> descsz = 12 (see below)
> I was try
Hi Richard
Thanks for the comments and pointing out the much cleaner existing asm
output functions!
On 29/03/2019 17:51, Richard Henderson wrote:
>> +#define ASM_LONG "\t.long\t"
>
> Do not replicate targetm.asm_out.aligned_op.si, or integer_asm_op, really.
>
>> +aarch64_file_end_indicate_exec
> +#define ASM_LONG "\t.long\t"
Do not replicate targetm.asm_out.aligned_op.si, or integer_asm_op, really.
> +aarch64_file_end_indicate_exec_stack ()
> +{
> + file_end_indicate_exec_stack ();
> +
> + if (!aarch64_bti_enabled ()
> + && aarch64_ra_sign_scope == AARCH64_FUNCTION_NONE)
> +
Hi
This patch adds the GNU NOTE section to the BTI and/or PAC
enabled objects for linux targets.
The ABI document that we published mentioning GNU NOTE section is below:
https://developer.arm.com/docs/ihi0056/latest/elf-for-the-arm-64-bit-architecture-aarch64-abi-2018q4
The patches needed for the
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