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Diffstat (limited to 'libgo/runtime/go-unsafe-newarray.c')
-rw-r--r-- | libgo/runtime/go-unsafe-newarray.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libgo/runtime/go-unsafe-newarray.c b/libgo/runtime/go-unsafe-newarray.c new file mode 100644 index 0000000..3bea282 --- /dev/null +++ b/libgo/runtime/go-unsafe-newarray.c @@ -0,0 +1,28 @@ +/* go-unsafe-newarray.c -- unsafe.NewArray function for Go. + + Copyright 2009 The Go Authors. All rights reserved. + Use of this source code is governed by a BSD-style + license that can be found in the LICENSE file. */ + +#include "go-alloc.h" +#include "go-type.h" +#include "interface.h" + +/* Implement unsafe.NewArray. */ + +void *NewArray (struct __go_empty_interface type, int n) + asm ("libgo_unsafe.unsafe.NewArray"); + +/* The dynamic type of the argument will be a pointer to a type + descriptor. */ + +void * +NewArray (struct __go_empty_interface type, int n) +{ + const struct __go_type_descriptor *descriptor; + + /* FIXME: We should check __type_descriptor to verify that this is + really a type descriptor. */ + descriptor = (const struct __go_type_descriptor *) type.__object; + return __go_alloc (descriptor->__size * n); +} |