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| 2128 | jermar | 1 | /* |
| 2465 | jermar | 2 | * Copyright (c) 2007 Pavel Jancik |
| 2128 | jermar | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup libcarm32 arm32 |
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| 30 | * @brief arm32 architecture dependent parts of libc |
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| 31 | * @ingroup lc |
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| 32 | * @{ |
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| 33 | */ |
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| 34 | /** @file |
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| 2465 | jermar | 35 | * @brief Uspace threads and TLS. |
| 2128 | jermar | 36 | */ |
| 37 | |||
| 38 | #include <thread.h> |
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| 39 | #include <malloc.h> |
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| 40 | |||
| 2465 | jermar | 41 | /** Allocates TLS & TCB. |
| 2128 | jermar | 42 | * |
| 2465 | jermar | 43 | * @param data Start of data section (output parameter). |
| 44 | * @param size Size of (tbss + tdata) sections. |
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| 45 | * @return Pointer to the allocated #tcb_t structure. |
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| 2128 | jermar | 46 | */ |
| 47 | tcb_t * __alloc_tls(void **data, size_t size) |
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| 48 | { |
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| 2465 | jermar | 49 | tcb_t *result; |
| 50 | |||
| 51 | result = malloc(sizeof(tcb_t) + size); |
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| 52 | *data = ((void *)result) + sizeof(tcb_t); |
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| 53 | return result; |
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| 2128 | jermar | 54 | } |
| 55 | |||
| 2465 | jermar | 56 | /** Deallocates TLS & TCB. |
| 57 | * |
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| 58 | * @param tcb TCB structure to be deallocated (along with corresponding TLS). |
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| 59 | * @param size Not used. |
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| 60 | */ |
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| 2128 | jermar | 61 | void __free_tls_arch(tcb_t *tcb, size_t size) |
| 62 | { |
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| 2465 | jermar | 63 | free(tcb); |
| 2128 | jermar | 64 | } |
| 65 | |||
| 66 | /** @} |
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| 67 | */ |