gc: delete old unsafe functions

Also update build to be able to run mkbuiltin again.
The export form has changed a little, so builtin.c has
more diffs than unsafe.go.

In CL 5650069, I just edited the documentation, a rarely
successful method of change.

R=ken2
CC=golang-dev
http://codereview.appspot.com/5662043

1 files changed, 60 insertions, 65 deletions

diff --git a/src/cmd/gc/builtin.c b/src/cmd/gc/builtin.c
index 23d36964a..ca3d6670d 100644
--- a/src/cmd/gc/builtin.c
+++ b/src/cmd/gc/builtin.c
@@ -1,14 +1,14 @@
 char *runtimeimport =
 	"package runtime\n"
 	"import runtime \"runtime\"\n"
-	"func @\"\".new(@\"\".typ *byte) *any\n"
+	"func @\"\".new(@\"\".typ *byte) (? *any)\n"
 	"func @\"\".panicindex()\n"
 	"func @\"\".panicslice()\n"
 	"func @\"\".throwreturn()\n"
 	"func @\"\".throwinit()\n"
 	"func @\"\".panicwrap(? string, ? string, ? string)\n"
 	"func @\"\".panic(? interface {})\n"
-	"func @\"\".recover(? *int32) interface {}\n"
+	"func @\"\".recover(? *int32) (? interface {})\n"
 	"func @\"\".printbool(? bool)\n"
 	"func @\"\".printfloat(? float64)\n"
 	"func @\"\".printint(? int64)\n"
@@ -24,71 +24,71 @@ char *runtimeimport =
 	"func @\"\".goprintf()\n"
 	"func @\"\".concatstring()\n"
 	"func @\"\".append()\n"
-	"func @\"\".appendslice(@\"\".typ *byte, @\"\".x any, @\"\".y []any) any\n"
-	"func @\"\".appendstr(@\"\".typ *byte, @\"\".x []byte, @\"\".y string) []byte\n"
-	"func @\"\".cmpstring(? string, ? string) int\n"
-	"func @\"\".slicestring(? string, ? int, ? int) string\n"
-	"func @\"\".slicestring1(? string, ? int) string\n"
-	"func @\"\".intstring(? int64) string\n"
-	"func @\"\".slicebytetostring(? []byte) string\n"
-	"func @\"\".slicerunetostring(? []rune) string\n"
-	"func @\"\".stringtoslicebyte(? string) []byte\n"
-	"func @\"\".stringtoslicerune(? string) []rune\n"
-	"func @\"\".stringiter(? string, ? int) int\n"
+	"func @\"\".appendslice(@\"\".typ *byte, @\"\".x any, @\"\".y []any) (? any)\n"
+	"func @\"\".appendstr(@\"\".typ *byte, @\"\".x []byte, @\"\".y string) (? []byte)\n"
+	"func @\"\".cmpstring(? string, ? string) (? int)\n"
+	"func @\"\".slicestring(? string, ? int, ? int) (? string)\n"
+	"func @\"\".slicestring1(? string, ? int) (? string)\n"
+	"func @\"\".intstring(? int64) (? string)\n"
+	"func @\"\".slicebytetostring(? []byte) (? string)\n"
+	"func @\"\".slicerunetostring(? []rune) (? string)\n"
+	"func @\"\".stringtoslicebyte(? string) (? []byte)\n"
+	"func @\"\".stringtoslicerune(? string) (? []rune)\n"
+	"func @\"\".stringiter(? string, ? int) (? int)\n"
 	"func @\"\".stringiter2(? string, ? int) (@\"\".retk int, @\"\".retv rune)\n"
-	"func @\"\".copy(@\"\".to any, @\"\".fr any, @\"\".wid uint32) int\n"
-	"func @\"\".slicestringcopy(@\"\".to any, @\"\".fr any) int\n"
-	"func @\"\".convI2E(@\"\".elem any) any\n"
-	"func @\"\".convI2I(@\"\".typ *byte, @\"\".elem any) any\n"
-	"func @\"\".convT2E(@\"\".typ *byte, @\"\".elem any) any\n"
-	"func @\"\".convT2I(@\"\".typ *byte, @\"\".typ2 *byte, @\"\".elem any) any\n"
-	"func @\"\".assertE2E(@\"\".typ *byte, @\"\".iface any) any\n"
+	"func @\"\".copy(@\"\".to any, @\"\".fr any, @\"\".wid uint32) (? int)\n"
+	"func @\"\".slicestringcopy(@\"\".to any, @\"\".fr any) (? int)\n"
+	"func @\"\".convI2E(@\"\".elem any) (@\"\".ret any)\n"
+	"func @\"\".convI2I(@\"\".typ *byte, @\"\".elem any) (@\"\".ret any)\n"
+	"func @\"\".convT2E(@\"\".typ *byte, @\"\".elem any) (@\"\".ret any)\n"
+	"func @\"\".convT2I(@\"\".typ *byte, @\"\".typ2 *byte, @\"\".elem any) (@\"\".ret any)\n"
+	"func @\"\".assertE2E(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any)\n"
 	"func @\"\".assertE2E2(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any, @\"\".ok bool)\n"
-	"func @\"\".assertE2I(@\"\".typ *byte, @\"\".iface any) any\n"
+	"func @\"\".assertE2I(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any)\n"
 	"func @\"\".assertE2I2(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any, @\"\".ok bool)\n"
-	"func @\"\".assertE2T(@\"\".typ *byte, @\"\".iface any) any\n"
+	"func @\"\".assertE2T(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any)\n"
 	"func @\"\".assertE2T2(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any, @\"\".ok bool)\n"
-	"func @\"\".assertI2E(@\"\".typ *byte, @\"\".iface any) any\n"
+	"func @\"\".assertI2E(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any)\n"
 	"func @\"\".assertI2E2(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any, @\"\".ok bool)\n"
-	"func @\"\".assertI2I(@\"\".typ *byte, @\"\".iface any) any\n"
+	"func @\"\".assertI2I(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any)\n"
 	"func @\"\".assertI2I2(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any, @\"\".ok bool)\n"
-	"func @\"\".assertI2T(@\"\".typ *byte, @\"\".iface any) any\n"
+	"func @\"\".assertI2T(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any)\n"
 	"func @\"\".assertI2T2(@\"\".typ *byte, @\"\".iface any) (@\"\".ret any, @\"\".ok bool)\n"
-	"func @\"\".ifaceeq(@\"\".i1 any, @\"\".i2 any) bool\n"
-	"func @\"\".efaceeq(@\"\".i1 any, @\"\".i2 any) bool\n"
-	"func @\"\".ifacethash(@\"\".i1 any) uint32\n"
-	"func @\"\".efacethash(@\"\".i1 any) uint32\n"
-	"func @\"\".equal(@\"\".typ *byte, @\"\".x1 any, @\"\".x2 any) bool\n"
-	"func @\"\".makemap(@\"\".mapType *byte, @\"\".hint int64) map[any]any\n"
-	"func @\"\".mapaccess1(@\"\".mapType *byte, @\"\".hmap map[any]any, @\"\".key any) any\n"
+	"func @\"\".ifaceeq(@\"\".i1 any, @\"\".i2 any) (@\"\".ret bool)\n"
+	"func @\"\".efaceeq(@\"\".i1 any, @\"\".i2 any) (@\"\".ret bool)\n"
+	"func @\"\".ifacethash(@\"\".i1 any) (@\"\".ret uint32)\n"
+	"func @\"\".efacethash(@\"\".i1 any) (@\"\".ret uint32)\n"
+	"func @\"\".equal(@\"\".typ *byte, @\"\".x1 any, @\"\".x2 any) (@\"\".ret bool)\n"
+	"func @\"\".makemap(@\"\".mapType *byte, @\"\".hint int64) (@\"\".hmap map[any]any)\n"
+	"func @\"\".mapaccess1(@\"\".mapType *byte, @\"\".hmap map[any]any, @\"\".key any) (@\"\".val any)\n"
 	"func @\"\".mapaccess2(@\"\".mapType *byte, @\"\".hmap map[any]any, @\"\".key any) (@\"\".val any, @\"\".pres bool)\n"
 	"func @\"\".mapassign1(@\"\".mapType *byte, @\"\".hmap map[any]any, @\"\".key any, @\"\".val any)\n"
 	"func @\"\".mapassign2(@\"\".mapType *byte, @\"\".hmap map[any]any, @\"\".key any, @\"\".val any, @\"\".pres bool)\n"
 	"func @\"\".mapiterinit(@\"\".mapType *byte, @\"\".hmap map[any]any, @\"\".hiter *any)\n"
 	"func @\"\".mapdelete(@\"\".mapType *byte, @\"\".hmap map[any]any, @\"\".key any)\n"
 	"func @\"\".mapiternext(@\"\".hiter *any)\n"
-	"func @\"\".mapiter1(@\"\".hiter *any) any\n"
+	"func @\"\".mapiter1(@\"\".hiter *any) (@\"\".key any)\n"
 	"func @\"\".mapiter2(@\"\".hiter *any) (@\"\".key any, @\"\".val any)\n"
-	"func @\"\".makechan(@\"\".chanType *byte, @\"\".hint int64) chan any\n"
-	"func @\"\".chanrecv1(@\"\".chanType *byte, @\"\".hchan <-chan any) any\n"
+	"func @\"\".makechan(@\"\".chanType *byte, @\"\".hint int64) (@\"\".hchan chan any)\n"
+	"func @\"\".chanrecv1(@\"\".chanType *byte, @\"\".hchan <-chan any) (@\"\".elem any)\n"
 	"func @\"\".chanrecv2(@\"\".chanType *byte, @\"\".hchan <-chan any) (@\"\".elem any, @\"\".received bool)\n"
 	"func @\"\".chansend1(@\"\".chanType *byte, @\"\".hchan chan<- any, @\"\".elem any)\n"
 	"func @\"\".closechan(@\"\".hchan any)\n"
-	"func @\"\".selectnbsend(@\"\".chanType *byte, @\"\".hchan chan<- any, @\"\".elem any) bool\n"
-	"func @\"\".selectnbrecv(@\"\".chanType *byte, @\"\".elem *any, @\"\".hchan <-chan any) bool\n"
-	"func @\"\".selectnbrecv2(@\"\".chanType *byte, @\"\".elem *any, @\"\".received *bool, @\"\".hchan <-chan any) bool\n"
-	"func @\"\".newselect(@\"\".size int) *byte\n"
-	"func @\"\".selectsend(@\"\".sel *byte, @\"\".hchan chan<- any, @\"\".elem *any) bool\n"
-	"func @\"\".selectrecv(@\"\".sel *byte, @\"\".hchan <-chan any, @\"\".elem *any) bool\n"
-	"func @\"\".selectrecv2(@\"\".sel *byte, @\"\".hchan <-chan any, @\"\".elem *any, @\"\".received *bool) bool\n"
-	"func @\"\".selectdefault(@\"\".sel *byte) bool\n"
+	"func @\"\".selectnbsend(@\"\".chanType *byte, @\"\".hchan chan<- any, @\"\".elem any) (? bool)\n"
+	"func @\"\".selectnbrecv(@\"\".chanType *byte, @\"\".elem *any, @\"\".hchan <-chan any) (? bool)\n"
+	"func @\"\".selectnbrecv2(@\"\".chanType *byte, @\"\".elem *any, @\"\".received *bool, @\"\".hchan <-chan any) (? bool)\n"
+	"func @\"\".newselect(@\"\".size int) (@\"\".sel *byte)\n"
+	"func @\"\".selectsend(@\"\".sel *byte, @\"\".hchan chan<- any, @\"\".elem *any) (@\"\".selected bool)\n"
+	"func @\"\".selectrecv(@\"\".sel *byte, @\"\".hchan <-chan any, @\"\".elem *any) (@\"\".selected bool)\n"
+	"func @\"\".selectrecv2(@\"\".sel *byte, @\"\".hchan <-chan any, @\"\".elem *any, @\"\".received *bool) (@\"\".selected bool)\n"
+	"func @\"\".selectdefault(@\"\".sel *byte) (@\"\".selected bool)\n"
 	"func @\"\".selectgo(@\"\".sel *byte)\n"
 	"func @\"\".block()\n"
-	"func @\"\".makeslice(@\"\".typ *byte, @\"\".nel int64, @\"\".cap int64) []any\n"
-	"func @\"\".growslice(@\"\".typ *byte, @\"\".old []any, @\"\".n int64) []any\n"
-	"func @\"\".sliceslice1(@\"\".old []any, @\"\".lb uint64, @\"\".width uint64) []any\n"
-	"func @\"\".sliceslice(@\"\".old []any, @\"\".lb uint64, @\"\".hb uint64, @\"\".width uint64) []any\n"
-	"func @\"\".slicearray(@\"\".old *any, @\"\".nel uint64, @\"\".lb uint64, @\"\".hb uint64, @\"\".width uint64) []any\n"
+	"func @\"\".makeslice(@\"\".typ *byte, @\"\".nel int64, @\"\".cap int64) (@\"\".ary []any)\n"
+	"func @\"\".growslice(@\"\".typ *byte, @\"\".old []any, @\"\".n int64) (@\"\".ary []any)\n"
+	"func @\"\".sliceslice1(@\"\".old []any, @\"\".lb uint64, @\"\".width uint64) (@\"\".ary []any)\n"
+	"func @\"\".sliceslice(@\"\".old []any, @\"\".lb uint64, @\"\".hb uint64, @\"\".width uint64) (@\"\".ary []any)\n"
+	"func @\"\".slicearray(@\"\".old *any, @\"\".nel uint64, @\"\".lb uint64, @\"\".hb uint64, @\"\".width uint64) (@\"\".ary []any)\n"
 	"func @\"\".closure()\n"
 	"func @\"\".memequal(@\"\".eq *bool, @\"\".size uintptr, @\"\".x *any, @\"\".y *any)\n"
 	"func @\"\".memequal8(@\"\".eq *bool, @\"\".size uintptr, @\"\".x *any, @\"\".y *any)\n"
@@ -96,28 +96,23 @@ char *runtimeimport =
 	"func @\"\".memequal32(@\"\".eq *bool, @\"\".size uintptr, @\"\".x *any, @\"\".y *any)\n"
 	"func @\"\".memequal64(@\"\".eq *bool, @\"\".size uintptr, @\"\".x *any, @\"\".y *any)\n"
 	"func @\"\".memequal128(@\"\".eq *bool, @\"\".size uintptr, @\"\".x *any, @\"\".y *any)\n"
-	"func @\"\".int64div(? int64, ? int64) int64\n"
-	"func @\"\".uint64div(? uint64, ? uint64) uint64\n"
-	"func @\"\".int64mod(? int64, ? int64) int64\n"
-	"func @\"\".uint64mod(? uint64, ? uint64) uint64\n"
-	"func @\"\".float64toint64(? float64) int64\n"
-	"func @\"\".float64touint64(? float64) uint64\n"
-	"func @\"\".int64tofloat64(? int64) float64\n"
-	"func @\"\".uint64tofloat64(? uint64) float64\n"
-	"func @\"\".complex128div(@\"\".num complex128, @\"\".den complex128) complex128\n"
+	"func @\"\".int64div(? int64, ? int64) (? int64)\n"
+	"func @\"\".uint64div(? uint64, ? uint64) (? uint64)\n"
+	"func @\"\".int64mod(? int64, ? int64) (? int64)\n"
+	"func @\"\".uint64mod(? uint64, ? uint64) (? uint64)\n"
+	"func @\"\".float64toint64(? float64) (? int64)\n"
+	"func @\"\".float64touint64(? float64) (? uint64)\n"
+	"func @\"\".int64tofloat64(? int64) (? float64)\n"
+	"func @\"\".uint64tofloat64(? uint64) (? float64)\n"
+	"func @\"\".complex128div(@\"\".num complex128, @\"\".den complex128) (@\"\".quo complex128)\n"
 	"\n"
 	"$$\n";
 char *unsafeimport =
 	"package unsafe\n"
 	"import runtime \"runtime\"\n"
 	"type @\"\".Pointer uintptr\n"
-	"func @\"\".Offsetof(? any) uintptr\n"
-	"func @\"\".Sizeof(? any) uintptr\n"
-	"func @\"\".Alignof(? any) uintptr\n"
-	"func @\"\".Typeof(@\"\".i interface {}) interface {}\n"
-	"func @\"\".Reflect(@\"\".i interface {}) (@\"\".typ interface {}, @\"\".addr @\"\".Pointer)\n"
-	"func @\"\".Unreflect(@\"\".typ interface {}, @\"\".addr @\"\".Pointer) interface {}\n"
-	"func @\"\".New(@\"\".typ interface {}) @\"\".Pointer\n"
-	"func @\"\".NewArray(@\"\".typ interface {}, @\"\".n int) @\"\".Pointer\n"
+	"func @\"\".Offsetof(? any) (? uintptr)\n"
+	"func @\"\".Sizeof(? any) (? uintptr)\n"
+	"func @\"\".Alignof(? any) (? uintptr)\n"
 	"\n"
 	"$$\n";