From: Sam Tebbs <Sam.Tebbs@arm.com>
To: James Greenhalgh <James.Greenhalgh@arm.com>
Cc: Sudakshina Das <Sudi.Das@arm.com>,
"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
Richard Earnshaw <Richard.Earnshaw@arm.com>,
Marcus Shawcroft <Marcus.Shawcroft@arm.com>, nd <nd@arm.com>
Subject: Re: [PATCH 2/3][GCC][AARCH64] Add new -mbranch-protection option to combine pointer signing and BTI
Date: Tue, 08 Jan 2019 10:32:00 -0000 [thread overview]
Message-ID: <721eb1f8-2d69-ba52-4782-47f023ceae6d@arm.com> (raw)
In-Reply-To: <20190107181124.GA4896@arm.com>
On 1/7/19 6:11 PM, James Greenhalgh wrote:
> On Thu, Dec 20, 2018 at 10:38:42AM -0600, Sam Tebbs wrote:
>> On 11/22/18 4:54 PM, Sam Tebbs wrote:
> <snip>
>
>> Hi all,
>>
>> Attached is an updated patch with branch_protec_type renamed to
>> branch_protect_type, some unneeded ATTRIBUTE_USED removed and an added
>> use of ARRAY_SIZE.
>>
>> Below is the updated changelog.
>>
>> OK for trunk? I have committed the preceding patch in the series.
>
> OK. Please get this in soon as we really want to be closing down for Stage 4
> (and fix a few bugs in return :-) ).
>
> Thanks,
> James
Thanks James, committed as r267717.
>
>> gcc/ChangeLog:
>>
>> 2018-12-20 Sam Tebbs<sam.tebbs@arm.com>
>>
>> * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
>> aarch64_parse_branch_protection,
>> struct aarch64_branch_protect_type,
>> aarch64_handle_no_branch_protection,
>> aarch64_handle_standard_branch_protection,
>> aarch64_validate_mbranch_protection,
>> aarch64_handle_pac_ret_protection,
>> aarch64_handle_attr_branch_protection,
>> accepted_branch_protection_string,
>> aarch64_pac_ret_subtypes,
>> aarch64_branch_protect_types,
>> aarch64_handle_pac_ret_leaf): Define.
>> (aarch64_override_options_after_change_1): Add check for
>> accepted_branch_protection_string.
>> (aarch64_override_options): Add check for
>> accepted_branch_protection_string.
>> (aarch64_option_save): Save accepted_branch_protection_string.
>> (aarch64_option_restore): Save
>> accepted_branch_protection_string.
>> * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
>> * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
>> msign-return-address.
>> * doc/invoke.texi: Add mbranch-protection.
>>
>> gcc/testsuite/ChangeLog:
>>
>> 2018-12-20 Sam Tebbs<sam.tebbs@arm.com>
>>
>> * (gcc.target/aarch64/return_address_sign_1.c,
>> gcc.target/aarch64/return_address_sign_2.c,
>> gcc.target/aarch64/return_address_sign_3.c (__attribute__)): Change
>> option to -mbranch-protection.
>> * gcc.target/aarch64/(branch-protection-option.c,
>> branch-protection-option-2.c, branch-protection-attr.c,
>> branch-protection-attr-2.c): New file.
>>
prev parent reply other threads:[~2019-01-08 10:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-02 17:31 Sam Tebbs
2018-11-09 11:05 ` Sam Tebbs
2018-11-12 18:24 ` Sudakshina Das
2018-11-22 16:54 ` Sam Tebbs
2018-12-20 16:41 ` Sam Tebbs
2019-01-04 16:55 ` Sam Tebbs
2019-01-07 18:11 ` James Greenhalgh
2019-01-08 10:32 ` Sam Tebbs [this message]
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