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Removing "magic numbers" for GC heap size

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Justin Ethier 2017-09-20 13:32:20 +00:00
parent 40dd432b3a
commit 889ec5885e
1 changed files with 6 additions and 2 deletions
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8
gc.c
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@ -26,6 +26,10 @@
#include <sys/syscall.h> /* Linux-only? */
#endif
// 64-bit is 3, 32-bit is 2
#define GC_BLOCK_BITS 5
#define GC_BLOCK_SIZE (1 << GC_BLOCK_BITS)
/* HEAP definitions, based off heap from Chibi scheme */
#define gc_heap_first_block(h) ((object)(h->data + gc_heap_align(gc_free_chunk_size)))
#define gc_heap_last_block(h) ((object)((char*)h->data + h->size - gc_heap_align(gc_free_chunk_size)))
@ -34,9 +38,9 @@
#define gc_free_chunk_size (sizeof(gc_free_list))
#define gc_align(n, bits) (((n)+(1<<(bits))-1)&(((uintptr_t)-1)-((1<<(bits))-1)))
// 64-bit is 3, 32-bit is 2
//#define gc_word_align(n) gc_align((n), 2)
#define gc_heap_align(n) gc_align(n, 5)
#define gc_heap_align(n) gc_align(n, GC_BLOCK_BITS)
#if INTPTR_MAX == INT64_MAX
#define REST_HEAP_MIN_SIZE 128