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Tweak struct layouts

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This commit is contained in:
Justin Ethier 2019-11-04 15:28:40 -05:00
parent e0388e892a
commit d209f7fd9c
1 changed files with 4 additions and 4 deletions
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8
include/cyclone/types.h
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@ -217,8 +217,6 @@ struct gc_heap_t {
unsigned int remaining; unsigned int remaining;
/** For fixed-size heaps, only allocate blocks of this size */ /** For fixed-size heaps, only allocate blocks of this size */
unsigned block_size; unsigned block_size;
/** End of the data when using bump alllocation or NULL when using free lists */
char *data_end;
/** Lazy-sweep: Amount of heap data that is free */ /** Lazy-sweep: Amount of heap data that is free */
unsigned int free_size; unsigned int free_size;
/** Lazy-sweep: Determine if the heap is full */ /** Lazy-sweep: Determine if the heap is full */
@ -237,6 +235,8 @@ struct gc_heap_t {
gc_heap *next; // TBD, linked list is not very efficient, but easy to work with as a start gc_heap *next; // TBD, linked list is not very efficient, but easy to work with as a start
/** Actual data in this page */ /** Actual data in this page */
char *data; char *data;
/** End of the data when using bump alllocation or NULL when using free lists */
char *data_end;
}; };
/** /**
@ -253,8 +253,8 @@ struct gc_heap_root_t {
typedef struct gc_header_type_t gc_header_type; typedef struct gc_header_type_t gc_header_type;
struct gc_header_type_t { struct gc_header_type_t {
unsigned char mark; // mark bits unsigned char mark; // mark bits
unsigned char grayed; // stack object to be grayed when moved to heap unsigned char grayed:1; // stack object to be grayed when moved to heap
unsigned char immutable; // Flag normally mutable obj (EG: pair) as read-only unsigned char immutable:1; // Flag normally mutable obj (EG: pair) as read-only
}; };
/** Get an object's `mark` value */ /** Get an object's `mark` value */