diff options
| -rw-r--r-- | sysdeps/aarch64/__longjmp.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sysdeps/aarch64/__longjmp.S b/sysdeps/aarch64/__longjmp.S index 2c8ff54112..7b6add751e 100644 --- a/sysdeps/aarch64/__longjmp.S +++ b/sysdeps/aarch64/__longjmp.S @@ -49,6 +49,28 @@ ENTRY (__longjmp) PTR_ARG (0) +#if IS_IN(libc) + /* Disable ZA state of SME in libc.a and libc.so, but not in ld.so. */ +# 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 +#endif + ldp x19, x20, [x0, #JB_X19<<3] ldp x21, x22, [x0, #JB_X21<<3] ldp x23, x24, [x0, #JB_X23<<3] |