The 04/22/2020 15:22, Christophe Lyon wrote:
> The new test fails with ilp32, not sure if that's supposed to work?
>
> FAIL: gcc.target/aarch64/pr94514.c (test for excess errors)
> Excess errors:
> /gcc/testsuite/gcc.target/aarch64/pr94514.c:27:4: warning: cast to
> pointer from integer of differe
tches@gcc.gnu.org
> > > Cc: Richard Earnshaw ; Richard Sandiford
> > > ; Kyrylo Tkachov
> > > Subject: [PATCH] aarch64, libgcc: Fix unwinding from pac-ret to normal
> > > frames [PR94514]
> > >
> > > With -mbranch-protection=pac-ret the debug info toggle
Subject: [PATCH] aarch64, libgcc: Fix unwinding from pac-ret to normal
> > frames [PR94514]
> >
> > With -mbranch-protection=pac-ret the debug info toggles the
> > signedness state of the return address so the unwinder knows when
> > the return address needs pointer
Hi Szabolcs,
> -Original Message-
> From: Szabolcs Nagy
> Sent: 09 April 2020 15:20
> To: gcc-patches@gcc.gnu.org
> Cc: Richard Earnshaw ; Richard Sandiford
> ; Kyrylo Tkachov
> Subject: [PATCH] aarch64, libgcc: Fix unwinding from pac-ret to normal
> frames [PR9
With -mbranch-protection=pac-ret the debug info toggles the
signedness state of the return address so the unwinder knows when
the return address needs pointer authentication.
The unwind context flags were not updated according to the dwarf
frame info.
This causes unwinding across frames that were
