diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/setcontext.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/setcontext.S b/sysdeps/unix/sysv/linux/aarch64/setcontext.S index 699c31189f..ba659438c5 100644 --- a/sysdeps/unix/sysv/linux/aarch64/setcontext.S +++ b/sysdeps/unix/sysv/linux/aarch64/setcontext.S @@ -49,6 +49,25 @@ ENTRY (__setcontext) cbz x0, 1f b C_SYMBOL_NAME (__syscall_error) 1: + /* Disable ZA of SME. */ +#if HAVE_AARCH64_PAC_RET + PACIASP + cfi_window_save +#endif + stp x29, x30, [sp, -16]! + cfi_adjust_cfa_offset (16) + cfi_rel_offset (x29, 0) + cfi_rel_offset (x30, 8) + mov x29, sp + bl __libc_arm_za_disable + ldp x29, x30, [sp], 16 + cfi_adjust_cfa_offset (-16) + cfi_restore (x29) + cfi_restore (x30) +#if HAVE_AARCH64_PAC_RET + AUTIASP + cfi_window_save +#endif /* Restore the general purpose registers. */ mov x0, x9 cfi_def_cfa (x0, 0) |