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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup libcamd64 amd64 |
29 | /** @addtogroup libcamd64 amd64 |
30 | * @ingroup lc |
30 | * @ingroup lc |
31 | * @{ |
31 | * @{ |
32 | */ |
32 | */ |
33 | /** @file |
33 | /** @file |
34 | * @ingroup libcia32 |
34 | * @ingroup libcia32 |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <tls.h> |
37 | #include <tls.h> |
38 | #include <sys/types.h> |
38 | #include <sys/types.h> |
- | 39 | #include <align.h> |
|
39 | 40 | ||
40 | tcb_t * __alloc_tls(void **data, size_t size) |
41 | tcb_t * __alloc_tls(void **data, size_t size) |
41 | { |
42 | { |
42 | return tls_alloc_variant_2(data, size); |
43 | return tls_alloc_variant_2(data, size); |
43 | } |
44 | } |
44 | 45 | ||
45 | void __free_tls_arch(tcb_t *tcb, size_t size) |
46 | void __free_tls_arch(tcb_t *tcb, size_t size) |
46 | { |
47 | { |
47 | tls_free_variant_2(tcb, size); |
48 | tls_free_variant_2(tcb, size); |
48 | } |
49 | } |
49 | 50 | ||
- | 51 | //#ifdef __SHARED__ |
|
- | 52 | ||
- | 53 | typedef struct { |
|
- | 54 | unsigned long int ti_module; |
|
- | 55 | unsigned long int ti_offset; |
|
- | 56 | } tls_index; |
|
- | 57 | ||
- | 58 | void __attribute__ ((__regparm__ (1))) |
|
- | 59 | *___tls_get_addr(tls_index *ti); |
|
- | 60 | ||
- | 61 | void __attribute__ ((__regparm__ (1))) |
|
- | 62 | *___tls_get_addr(tls_index *ti) |
|
- | 63 | { |
|
- | 64 | size_t tls_size; |
|
- | 65 | uint8_t *tls; |
|
- | 66 | ||
- | 67 | /* Calculate size of TLS block */ |
|
- | 68 | tls_size = ALIGN_UP(&_tbss_end - &_tdata_start, &_tls_alignment); |
|
- | 69 | ||
- | 70 | /* The TLS block is just before TCB */ |
|
- | 71 | tls = (uint8_t *)__tcb_get() - tls_size; |
|
- | 72 | ||
- | 73 | return tls + ti->ti_offset; |
|
- | 74 | } |
|
- | 75 | ||
- | 76 | //#endif |
|
- | 77 | ||
50 | /** @} |
78 | /** @} |
51 | */ |
79 | */ |
52 | 80 |