Re: [PATCH 4/7] objtool: Add support for return trampoline call
On Fri, Apr 03, 2020 at 05:46:20PM +0200, Peter Zijlstra wrote: > On Fri, Apr 03, 2020 at 10:17:57AM -0500, Josh Poimboeuf wrote: > > Peter, I think my previous idea for UNWIND_HINT_ADJUST stack_add=8 would > > work here? > > Yes, it would.
Only thing is we'd need to unroll the RSB loop so each instruction has a deterministic stack size.