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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libgo/runtime/go-cgo.c
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Diffstat (limited to 'libgo/runtime/go-cgo.c')
-rw-r--r--libgo/runtime/go-cgo.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/libgo/runtime/go-cgo.c b/libgo/runtime/go-cgo.c
new file mode 100644
index 000000000..94917bca0
--- /dev/null
+++ b/libgo/runtime/go-cgo.c
@@ -0,0 +1,42 @@
+/* go-cgo.c -- SWIG support routines for libgo.
+
+ Copyright 2011 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 "interface.h"
+#include "go-panic.h"
+#include "go-string.h"
+
+/* These are routines used by SWIG. The gc runtime library provides
+ the same routines under the same name, though in that case the code
+ is required to import runtime/cgo. */
+
+void *
+_cgo_allocate (size_t n)
+{
+ return __go_alloc (n);
+}
+
+extern const struct __go_type_descriptor string_type_descriptor
+ asm ("__go_tdn_string");
+
+void
+_cgo_panic (const char *p)
+{
+ int len;
+ unsigned char *data;
+ struct __go_string *ps;
+ struct __go_empty_interface e;
+
+ len = __builtin_strlen (p);
+ data = __go_alloc (len);
+ __builtin_memcpy (data, p, len);
+ ps = __go_alloc (sizeof *ps);
+ ps->__data = data;
+ ps->__length = len;
+ e.__type_descriptor = &string_type_descriptor;
+ e.__object = ps;
+ __go_panic (e);
+}