mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 13:03:13 +00:00
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2014 Cesanta Software Limited
|
||
|
|
* All rights reserved
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MJS_GC_H_
|
||
|
|
#define MJS_GC_H_
|
||
|
|
|
||
|
|
#include "mjs_core.h"
|
||
|
|
#include "mjs_mm.h"
|
||
|
|
#include "mjs_internal.h"
|
||
|
|
#include "mjs_gc_public.h"
|
||
|
|
|
||
|
|
#if defined(__cplusplus)
|
||
|
|
extern "C" {
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* performs arithmetics on gc_cell pointers as if they were arena->cell_size
|
||
|
|
* bytes wide
|
||
|
|
*/
|
||
|
|
#define GC_CELL_OP(arena, cell, op, arg) \
|
||
|
|
((struct gc_cell*)(((char*)(cell))op((arg) * (arena)->cell_size)))
|
||
|
|
|
||
|
|
struct gc_cell {
|
||
|
|
union {
|
||
|
|
struct gc_cell* link;
|
||
|
|
uintptr_t word;
|
||
|
|
} head;
|
||
|
|
};
|
||
|
|
|
||
|
|
MJS_PRIVATE int gc_strings_is_gc_needed(struct mjs* mjs);
|
||
|
|
|
||
|
|
/* perform gc if not inhibited */
|
||
|
|
MJS_PRIVATE int maybe_gc(struct mjs* mjs);
|
||
|
|
|
||
|
|
MJS_PRIVATE struct mjs_object* new_object(struct mjs*);
|
||
|
|
MJS_PRIVATE struct mjs_property* new_property(struct mjs*);
|
||
|
|
MJS_PRIVATE struct mjs_ffi_sig* new_ffi_sig(struct mjs* mjs);
|
||
|
|
|
||
|
|
MJS_PRIVATE void gc_mark(struct mjs* mjs, mjs_val_t* val);
|
||
|
|
|
||
|
|
MJS_PRIVATE void gc_arena_init(struct gc_arena*, size_t, size_t, size_t);
|
||
|
|
MJS_PRIVATE void gc_arena_destroy(struct mjs*, struct gc_arena* a);
|
||
|
|
MJS_PRIVATE void gc_sweep(struct mjs*, struct gc_arena*, size_t);
|
||
|
|
MJS_PRIVATE void* gc_alloc_cell(struct mjs*, struct gc_arena*);
|
||
|
|
|
||
|
|
MJS_PRIVATE uint64_t gc_string_mjs_val_to_offset(mjs_val_t v);
|
||
|
|
|
||
|
|
/* return 0 if v is an object/function with a bad pointer */
|
||
|
|
MJS_PRIVATE int gc_check_val(struct mjs* mjs, mjs_val_t v);
|
||
|
|
|
||
|
|
/* checks whether a pointer is within the ranges of an arena */
|
||
|
|
MJS_PRIVATE int gc_check_ptr(const struct gc_arena* a, const void* p);
|
||
|
|
|
||
|
|
#if defined(__cplusplus)
|
||
|
|
}
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
#endif /* MJS_GC_H_ */
|