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Elliott Hughes2a0b8732013-10-08 18:50:24 -07001/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
Christopher Ferrisc5d3a432019-09-25 17:50:36 -070029#pragma once
Elliott Hughes2a0b8732013-10-08 18:50:24 -070030
Serban Constantinescue2104882013-09-26 11:37:10 +010031#if defined(__aarch64__)
32# define __get_tls() ({ void** __val; __asm__("mrs %0, tpidr_el0" : "=r"(__val)); __val; })
33#elif defined(__arm__)
34# define __get_tls() ({ void** __val; __asm__("mrc p15, 0, %0, c13, c0, 3" : "=r"(__val)); __val; })
Elliott Hughes2a0b8732013-10-08 18:50:24 -070035#elif defined(__i386__)
Serban Constantinescue2104882013-09-26 11:37:10 +010036# define __get_tls() ({ void** __val; __asm__("movl %%gs:0, %0" : "=r"(__val)); __val; })
Elliott Hughesfc009dd2022-10-07 21:31:36 +000037#elif defined(__riscv)
38# define __get_tls() ({ void** __val; __asm__("mv %0, tp" : "=r"(__val)); __val; })
Elliott Hughes2a0b8732013-10-08 18:50:24 -070039#elif defined(__x86_64__)
Serban Constantinescue2104882013-09-26 11:37:10 +010040# define __get_tls() ({ void** __val; __asm__("mov %%fs:0, %0" : "=r"(__val)); __val; })
Elliott Hughes2a0b8732013-10-08 18:50:24 -070041#else
42#error unsupported architecture
43#endif
44
Christopher Ferrisc5d3a432019-09-25 17:50:36 -070045#include "tls_defines.h"