runtime: add memory profiling, disabled.
no way to get the data out yet.
add prototype for runtime.Callers,
missing from last CL.
R=r
CC=golang-dev
https://golang.org/cl/713041
diff --git a/src/pkg/runtime/runtime.h b/src/pkg/runtime/runtime.h
index 622f680..c046938 100644
--- a/src/pkg/runtime/runtime.h
+++ b/src/pkg/runtime/runtime.h
@@ -359,7 +359,8 @@
void mcpy(byte*, byte*, uint32);
int32 mcmp(byte*, byte*, uint32);
void memmove(void*, void*, uint32);
-void* mal(uint32);
+void* mal(uintptr);
+void* malx(uintptr size, int32 skip_delta);
uint32 cmpstring(String, String);
String gostring(byte*);
String gostringw(uint16*);