diff options
Diffstat (limited to 'src/runtime/cgo/gcc_util.c')
-rw-r--r-- | src/runtime/cgo/gcc_util.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/runtime/cgo/gcc_util.c b/src/runtime/cgo/gcc_util.c new file mode 100644 index 000000000..143734e94 --- /dev/null +++ b/src/runtime/cgo/gcc_util.c @@ -0,0 +1,47 @@ +// 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 "libcgo.h" + +/* Stub for calling malloc from Go */ +void +x_cgo_malloc(void *p) +{ + struct a { + long long n; + void *ret; + } *a = p; + + a->ret = malloc(a->n); + if(a->ret == NULL && a->n == 0) + a->ret = malloc(1); +} + +/* Stub for calling free from Go */ +void +x_cgo_free(void *p) +{ + struct a { + void *arg; + } *a = p; + + free(a->arg); +} + +/* Stub for creating a new thread */ +void +x_cgo_thread_start(ThreadStart *arg) +{ + ThreadStart *ts; + + /* Make our own copy that can persist after we return. */ + ts = malloc(sizeof *ts); + if(ts == nil) { + fprintf(stderr, "runtime/cgo: out of memory in thread_start\n"); + abort(); + } + *ts = *arg; + + _cgo_sys_thread_start(ts); /* OS-dependent half */ +} |