source: src/examples/gc_no_raii/src/internal/gc_tools.h @ 0f9e4403

aaron-thesisarm-ehcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decaygc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationresolv-newwith_gc
Last change on this file since 0f9e4403 was a2b2761, checked in by Thierry Delisle <tdelisle@…>, 7 years ago

moved files src dir and added cofigurations to run preprocessor on cfiles

  • Property mode set to 100644
File size: 878 bytes
RevLine 
[e47f529]1#pragma once
2
3#include <stddef.h>
4#include <stdint.h>
5
6#include "tools.h"
7#include "globals.h"
8
9inline bool gc_is_aligned(void* address)
10{
11        return (((intptr_t)address) & (~OBJECT_PTR_MASK)) == 0;
12}
13
14inline void* gc_get_aligned_ptr(void* address)
15{
16        return (void*)(((intptr_t)address) & (OBJECT_PTR_MASK));
17}
18
19inline void* gc_write_aligned_ptr(void** reference, void* address)
20{
21        size_t ref_last_bits = ((intptr_t)*reference) & (~OBJECT_PTR_MASK);
22
23      size_t new_val = ((intptr_t)address) & OBJECT_PTR_MASK;
24
25      (*reference) = (void*)(new_val | ref_last_bits);
26
27        return *reference;
28}
29
30inline size_t gc_compute_size(size_t size)
31{
32        size_t word_size = ((size - 1) / OBJECT_ALLIGNMENT) + 1;
33        size_t ret = word_size * OBJECT_ALLIGNMENT;
34
35        check(ret >= size);
36        check((ret % OBJECT_ALLIGNMENT) == 0);
37        check( ((size % OBJECT_ALLIGNMENT) != 0) || (ret == size) );
38
39        return ret;
40}
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