| // Copyright (c) 2015, Red Hat Inc. All rights reserved. |
| // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| // |
| // This code is free software; you can redistribute it and/or modify it |
| // under the terms of the GNU General Public License version 2 only, as |
| // published by the Free Software Foundation. |
| // |
| // This code is distributed in the hope that it will be useful, but WITHOUT |
| // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| // version 2 for more details (a copy is included in the LICENSE file that |
| // accompanied this code). |
| // |
| // You should have received a copy of the GNU General Public License version |
| // 2 along with this work; if not, write to the Free Software Foundation, |
| // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| // |
| // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| // or visit www.oracle.com if you need additional information or have any |
| // questions. |
| |
| // JavaThread::aarch64_get_thread_helper() |
| // |
| // Return the current thread pointer in x0. |
| // Clobber x1, flags. |
| // All other registers are preserved, |
| |
| .global _ZN10JavaThread25aarch64_get_thread_helperEv |
| .type _ZN10JavaThread25aarch64_get_thread_helperEv, %function |
| |
| _ZN10JavaThread25aarch64_get_thread_helperEv: |
| stp x29, x30, [sp, -16]! |
| adrp x0, :tlsdesc:_ZN6Thread12_thr_currentE |
| ldr x1, [x0, #:tlsdesc_lo12:_ZN6Thread12_thr_currentE] |
| add x0, x0, :tlsdesc_lo12:_ZN6Thread12_thr_currentE |
| .tlsdesccall _ZN6Thread12_thr_currentE |
| blr x1 |
| mrs x1, tpidr_el0 |
| add x0, x1, x0 |
| ldr x0, [x0] |
| ldp x29, x30, [sp], 16 |
| ret |
| |
| .size _ZN10JavaThread25aarch64_get_thread_helperEv, .-_ZN10JavaThread25aarch64_get_thread_helperEv |