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https://github.com/darlinghq/darling-libobjc2.git
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44 lines
890 B
C
44 lines
890 B
C
#include "visibility.h"
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#include "objc/runtime.h"
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#include "gc_ops.h"
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#include "class.h"
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#include <stdlib.h>
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#include <stdio.h>
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static id allocate_class(Class cls, size_t extraBytes)
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{
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intptr_t *addr = calloc(cls->instance_size + extraBytes + sizeof(intptr_t), 1);
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return (id)(addr + 1);
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}
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static void free_object(id obj)
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{
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free((void*)(((intptr_t*)obj) - 1));
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}
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static void *alloc(size_t size)
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{
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return calloc(size, 1);
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}
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PRIVATE struct gc_ops gc_ops_none =
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{
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.allocate_class = allocate_class,
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.free_object = free_object,
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.malloc = alloc,
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.free = free
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};
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PRIVATE struct gc_ops *gc = &gc_ops_none;
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PRIVATE BOOL isGCEnabled = NO;
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#ifndef ENABLE_GC
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PRIVATE void enableGC(BOOL exclusive)
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{
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fprintf(stderr, "Attempting to enable garbage collection, but your"
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"Objective-C runtime was built without garbage collection"
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"support\n");
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abort();
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}
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#endif
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