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Add file missed in previous commit.

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From-SVN: r168684
This commit is contained in:
Ian Lance Taylor 2011-01-11 23:26:03 +00:00
parent 4053a5a0af
commit 2e7e3e1de1
1 changed files with 42 additions and 0 deletions
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42
libgo/runtime/go-cgo.c Normal file
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@ -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);
}