gcc/libgo/runtime/go-cgo.c

43 lines
1.0 KiB
C

/* 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);
}