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Re: [PATCH 1/2] Linux/x86: Update cancel_jmp_buf to match __jmp_buf_tag [BZ #22563]
On Mon, Dec 18, 2017 at 6:48 AM, H.J. Lu <email@example.com> wrote:
> On Mon, Dec 18, 2017 at 6:44 AM, Andreas Schwab <firstname.lastname@example.org> wrote:
>> On Dez 18 2017, "H.J. Lu" <email@example.com> wrote:
>>> This patch adds bits/types/__cancel_jmp_buf_tag.h to define struct
>>> __cancel_jmp_buf_tag so that Linux/x86 can add saved_mask to
>> Isn't that an ABI change?
> Yes, this change is exposed to application via <phread.h>. The backward
> binary compatibility is provided by
Here is the patch of shadow stack enabled setjmp/longjmp:
which is backward binary compatible with existing binaries.