| /* SPDX-License-Identifier: MIT */ |
| /* |
| * Copyright © 2005-2014 Rich Felker, et al. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| /* |
| * This has been implemented in assembly to ensure that the following |
| * requirements from section 4.3.5 of the Run-time ABI for ARM |
| * Architecture are met: |
| * |
| * Implementations of this function should corrupt only the result |
| * register (r0) and the non-parameter integer core registers allowed to |
| * be corrupted by the [AAPCS] (ip, lr, and CPSR). Registers r1 -r3 must |
| * be preserved. |
| */ |
| .syntax unified |
| .global __aeabi_read_tp |
| .type __aeabi_read_tp,%function |
| __aeabi_read_tp: |
| push {r1,r2,r3,lr} |
| bl __aeabi_read_tp_c |
| pop {r1,r2,r3,lr} |
| bx lr |