Re: .eh_frame augmentation character for MTE stack tagging

2022-06-06 Thread Matthew Malcomson via Gcc
Hi there, Just to mention that this decision has been included in the Arm ABI project. https://github.com/ARM-software/abi-aa/blob/main/aadwarf64/aadwarf64.rst#id22 MM On 6/6/22 12:00, Richard Earnshaw via Gcc wrote: On 04/06/2022 00:52, Florian Mayer via Gcc wrote: Hey! We are in the pro

[WIP][not for GCC main branch] CHERI/Morello work in GCC update.

2021-07-30 Thread Matthew Malcomson via Gcc
Hello, In our last email we mentioned that there was work not yet going upstream. This is to mention that the work that was still internal at that stage has now gone up to the vendor branch. The main difference after this change is that our initial work of adding the concept of CHERI capabilities

[WIP][not for GCC main branch] CHERI/Morello capabilities in GCC

2021-07-22 Thread Matthew Malcomson via Gcc
Hello, We're working on adding CHERI capability support to GCC, specifically focusing on targetting the experimental Morello architecture. The eventual aim is to help bring up a GNU system on the upcoming Morello boards. Morello is an integration of the CUCL CHERI (Capability Hardware Enhanced RI

Possible code to remove DECL_NONSHAREABLE?

2020-11-27 Thread Matthew Malcomson via Gcc
Hi there, I was just looking through the history of how some code came about, and get the impression that DECL_NONSHAREABLE was meant to be removed. It seems like it was added to solve PR49103, with the idea that it could be removed once a more robust solution was added. Original comment an