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

Re: .eh_frame augmentation character for MTE stack tagging

2022-06-06 Thread Richard Earnshaw via Gcc
On 04/06/2022 00:52, Florian Mayer via Gcc wrote: Hey! We are in the process of implementing MTE (Memory Tagging Extension) stack tagging in LLVM. To support stack tagging in combination with exceptions, we need to make sure that the unwinder will untag stack frames, to avoid leaving behind s

.eh_frame augmentation character for MTE stack tagging

2022-06-03 Thread Florian Mayer via Gcc
Hey! We are in the process of implementing MTE (Memory Tagging Extension) stack tagging in LLVM. To support stack tagging in combination with exceptions, we need to make sure that the unwinder will untag stack frames, to avoid leaving behind stale tags. As such, we need some way to communicate to