2 Commits

Author	SHA1	Message	Date
Jonas Paulsson	a0da66bc13	[SystemZ] Support builtin_frame_address with packed stack without backchain. ... In order to use __builtin_frame_address(0) with packed stack and no backchain, the address of where the backchain would have been written is returned (like GCC). This address may either contain a saved register or be unused. Review: Ulrich Weigand Differential Revision: https://reviews.llvm.org/D101897	2021-05-06 12:50:49 +02:00
Jonas Paulsson	82879c2913	[SystemZ] Support the kernel back chain. ... In order to build the Linux kernel, the back chain must be supported with packed-stack. The back chain is then stored topmost in the register save area. Review: Ulrich Weigand Differential Revision: https://reviews.llvm.org/D74506	2020-02-23 13:42:36 -08:00