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f1717362 | 1 | /* Copyright (C) 2009-2016 Free Software Foundation, Inc. |
4c0315d0 | 2 | Contributed by Richard Henderson <rth@redhat.com>. |
3 | ||
4 | This file is part of the GNU Transactional Memory Library (libitm). | |
5 | ||
6 | Libitm is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | Libitm is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | more details. | |
15 | ||
16 | Under Section 7 of GPL version 3, you are granted additional | |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
24 | ||
25 | #include "libitm_i.h" | |
26 | ||
27 | ||
28 | using namespace GTM; | |
29 | ||
30 | extern "C" { | |
31 | ||
32 | /* Wrap: malloc (size_t sz) */ | |
33 | void * | |
34 | _ITM_malloc (size_t sz) | |
35 | { | |
36 | void *r = malloc (sz); | |
37 | if (r) | |
38 | gtm_thr()->record_allocation (r, free); | |
39 | return r; | |
40 | } | |
41 | ||
42 | /* Wrap: calloc (size_t nm, size_t sz) */ | |
43 | void * | |
44 | _ITM_calloc (size_t nm, size_t sz) | |
45 | { | |
46 | void *r = calloc (nm, sz); | |
47 | if (r) | |
48 | gtm_thr()->record_allocation (r, free); | |
49 | return r; | |
50 | } | |
51 | ||
52 | /* Wrap: free (void *ptr) */ | |
53 | void | |
54 | _ITM_free (void *ptr) | |
55 | { | |
56 | if (ptr) | |
57 | gtm_thr()->forget_allocation (ptr, free); | |
58 | } | |
59 | ||
60 | /* Forget any internal references to PTR. */ | |
61 | ||
62 | __attribute__((transaction_pure)) | |
63 | void ITM_REGPARM | |
64 | _ITM_dropReferences (void *ptr, size_t len) | |
65 | { | |
66 | // The semantics of _ITM_dropReferences are not sufficiently defined in the | |
67 | // ABI specification, so it does not make sense to support it right now. See | |
68 | // the libitm documentation for details. | |
69 | GTM_fatal("_ITM_dropReferences is not supported"); | |
70 | } | |
71 | ||
72 | } // extern "C" |