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