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4710dd51 | 1 | /* cilk-abi-vla-internal.c -*-C++-*- |
2 | * | |
3 | ************************************************************************* | |
4 | * | |
0657c20f | 5 | * Copyright (C) 2013-2016, Intel Corporation |
4710dd51 | 6 | * All rights reserved. |
7 | * | |
4710dd51 | 8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * * Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * * Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in | |
16 | * the documentation and/or other materials provided with the | |
17 | * distribution. | |
18 | * * Neither the name of Intel Corporation nor the names of its | |
19 | * contributors may be used to endorse or promote products derived | |
20 | * from this software without specific prior written permission. | |
21 | * | |
4710dd51 | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
23 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
24 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
25 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
26 | * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
27 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
28 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | |
29 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
30 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY | |
32 | * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
33 | * POSSIBILITY OF SUCH DAMAGE. | |
0657c20f | 34 | * |
35 | * ********************************************************************* | |
36 | * | |
37 | * PLEASE NOTE: This file is a downstream copy of a file mainitained in | |
38 | * a repository at cilkplus.org. Changes made to this file that are not | |
39 | * submitted through the contribution process detailed at | |
40 | * http://www.cilkplus.org/submit-cilk-contribution will be lost the next | |
41 | * time that a new version is released. Changes only submitted to the | |
42 | * GNU compiler collection or posted to the git repository at | |
43 | * https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are | |
44 | * not tracked. | |
45 | * | |
46 | * We welcome your contributions to this open source project. Thank you | |
47 | * for your assistance in helping us improve Cilk Plus. | |
4710dd51 | 48 | **************************************************************************/ |
49 | ||
50 | /* | |
51 | * These functions are provided in their own compilation unit so I can debug | |
52 | * them. cilk-abi-vla.c must always be compiled with optimization on so that | |
53 | * inlining occurs. | |
54 | */ | |
55 | ||
56 | #include "internal/abi.h" | |
57 | #include "cilk-abi-vla-internal.h" | |
58 | #include "bug.h" | |
59 | #include "full_frame.h" | |
60 | #include "local_state.h" | |
61 | ||
62 | #include <stdlib.h> | |
63 | #include <stdint.h> | |
64 | ||
65 | #include "bug.h" | |
66 | ||
67 | void *vla_internal_heap_alloc(__cilkrts_stack_frame *sf, | |
68 | size_t full_size, | |
69 | uint32_t align) | |
70 | { | |
71 | return malloc(full_size); | |
72 | } | |
73 | ||
74 | void vla_internal_heap_free(void *t, size_t size) | |
75 | { | |
76 | free(t); | |
77 | } | |
78 | ||
79 | void vla_free_from_original_stack(__cilkrts_stack_frame *sf, | |
80 | size_t full_size) | |
81 | { | |
82 | // The __cilkrts_stack_frame must be initialized | |
83 | CILK_ASSERT(sf->worker); | |
84 | ||
85 | #if 1 | |
86 | // Add full_size to ff->sync_sp so that when we return, the VLA will no | |
87 | // longer be allocated on the stack | |
88 | __cilkrts_adjust_stack(sf->worker->l->frame_ff, full_size); | |
89 | #else | |
90 | // Inline __cilkrts_adjust_stack for Kevin | |
91 | full_frame *ff = sf->worker->l->frame_ff; | |
92 | ff->sync_sp = ff->sync_sp + full_size; | |
93 | #endif | |
94 | } |