runtime: convert interface routines from C to Go.

LGTM=dvyukov
R=golang-codereviews, dave, bradfitz, dvyukov, khr
CC=golang-codereviews
https://codereview.appspot.com/98510044

1 files changed, 14 insertions, 0 deletions

diff --git a/src/pkg/runtime/stubs.goc b/src/pkg/runtime/stubs.goc
index 42a4bf143..8a043c63b 100644
--- a/src/pkg/runtime/stubs.goc
+++ b/src/pkg/runtime/stubs.goc
@@ -89,3 +89,17 @@ func GCMask(x Eface) (mask Slice) {
 	runtime·getgcmask(x.data, x.type, &mask.array, &mask.len);
 	mask.cap = mask.len;
 }
+
+#pragma textflag NOSPLIT
+func gopersistentalloc(size uintptr) (x *void) {
+	// TODO: used only for itabs for now.  Need to make &mstats.other_sys arg parameterized.
+	x = runtime·persistentalloc(size, 0, &mstats.other_sys);
+}
+
+#pragma textflag NOSPLIT
+func reflect·typelinks() (ret Slice) {
+        extern Type *typelink[], *etypelink[];
+        ret.array = (byte*)typelink;
+        ret.len = etypelink - typelink;
+        ret.cap = ret.len;
+}