1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
/* Copyright (C) 1999-2006 Henry Cejtin, Matthew Fluet, Suresh
* Jagannathan, and Stephen Weeks.
* Copyright (C) 1997-2000 NEC Research Institute.
*
* MLton is released under a BSD-style license.
* See the file MLton-LICENSE for details.
*/
size_t alignWithExtra (GC_state s, size_t bytes, size_t extra) {
return align (bytes + extra, s->alignment) - extra;
}
#if ASSERT
bool isFrontierAligned (GC_state s, pointer p) {
return isAligned ((size_t)p + GC_NORMAL_HEADER_SIZE,
s->alignment);
}
#endif
pointer alignFrontier (GC_state s, pointer p) {
size_t res;
res = alignWithExtra (s, (size_t)p, GC_NORMAL_HEADER_SIZE);
assert (isFrontierAligned (s, (pointer)res));
return (pointer)res;
}
|
