9 files changed, 27 insertions, 15 deletions
diff --git a/libgo/runtime/go-caller.c b/libgo/runtime/go-caller.c
index 6fe43402459..214344694e8 100644
--- a/libgo/runtime/go-caller.c
+++ b/libgo/runtime/go-caller.c
@@ -192,12 +192,12 @@ struct caller_ret
   _Bool ok;
 };
 
-struct caller_ret Caller (int n) __asm__ (GOSYM_PREFIX "runtime.Caller");
+struct caller_ret Caller (intgo n) __asm__ (GOSYM_PREFIX "runtime.Caller");
 
 /* Implement runtime.Caller.  */
 
 struct caller_ret
-Caller (int skip)
+Caller (intgo skip)
 {
   struct caller_ret ret;
   Location loc;
diff --git a/libgo/runtime/go-callers.c b/libgo/runtime/go-callers.c
index 7ea70851c68..a72b4e85454 100644
--- a/libgo/runtime/go-callers.c
+++ b/libgo/runtime/go-callers.c
@@ -236,11 +236,11 @@ runtime_callers (int32 skip, Location *locbuf, int32 m, bool keep_thunks)
   return data.index;
 }
 
-int Callers (int, struct __go_open_array)
+intgo Callers (intgo, struct __go_open_array)
   __asm__ (GOSYM_PREFIX "runtime.Callers");
 
-int
-Callers (int skip, struct __go_open_array pc)
+intgo
+Callers (intgo skip, struct __go_open_array pc)
 {
   Location *locbuf;
   int ret;
diff --git a/libgo/runtime/go-libmain.c b/libgo/runtime/go-libmain.c
index 4f4763947e4..00a8e6b1bda 100644
--- a/libgo/runtime/go-libmain.c
+++ b/libgo/runtime/go-libmain.c
@@ -231,7 +231,7 @@ gostart (void *arg)
   setpagesize (getpagesize ());
   runtime_sched = runtime_getsched();
   runtime_schedinit ();
-  __go_go (runtime_main, NULL);
+  __go_go ((uintptr)(runtime_main), NULL);
   runtime_mstart (runtime_m ());
   abort ();
 }
diff --git a/libgo/runtime/go-main.c b/libgo/runtime/go-main.c
index 1048161786c..301ac4ed803 100644
--- a/libgo/runtime/go-main.c
+++ b/libgo/runtime/go-main.c
@@ -55,7 +55,7 @@ main (int argc, char **argv)
   setpagesize (getpagesize ());
   runtime_sched = runtime_getsched();
   runtime_schedinit ();
-  __go_go (runtime_main, NULL);
+  __go_go ((uintptr)(runtime_main), NULL);
   runtime_mstart (runtime_m ());
   abort ();
 }
diff --git a/libgo/runtime/go-reflect-call.c b/libgo/runtime/go-reflect-call.c
index 6a9a7f35a1a..abd598b46c4 100644
--- a/libgo/runtime/go-reflect-call.c
+++ b/libgo/runtime/go-reflect-call.c
@@ -229,7 +229,8 @@ reflect_call (const struct __go_func_type *func_type, FuncVal *func_val,
 
   call_result = (unsigned char *) malloc (go_results_size (func_type));
 
-  ffi_call_go (&cif, func_val->fn, call_result, params, func_val);
+  ffi_call_go (&cif, (void (*)(void)) func_val->fn, call_result, params,
+	       func_val);
 
   /* Some day we may need to free result values if RESULTS is
      NULL.  */
diff --git a/libgo/runtime/go-varargs.c b/libgo/runtime/go-varargs.c
index 691ee56582d..dda99590dc7 100644
--- a/libgo/runtime/go-varargs.c
+++ b/libgo/runtime/go-varargs.c
@@ -89,3 +89,14 @@ __go_openat (int fd, char *path, int flags, mode_t mode)
 }
 
 #endif
+
+// __go_syscall6 is called by both the runtime and syscall packages.
+// We use uintptr_t to make sure that the types match, since the Go
+// and C "int" types are not the same.
+
+uintptr_t
+__go_syscall6(uintptr_t flag, uintptr_t a1, uintptr_t a2, uintptr_t a3,
+	      uintptr_t a4, uintptr_t a5, uintptr_t a6)
+{
+  return syscall (flag, a1, a2, a3, a4, a5, a6);
+}
diff --git a/libgo/runtime/panic.c b/libgo/runtime/panic.c
index 9cd69ee983a..90255059fcc 100644
--- a/libgo/runtime/panic.c
+++ b/libgo/runtime/panic.c
@@ -34,7 +34,7 @@ runtime_panicstring(const char *s)
 			runtime_throw("panic holding locks");
 		}
 	}
-	runtime_newErrorCString(s, &err);
+	runtime_newErrorCString((uintptr) s, &err);
 	runtime_panic(err);
 }
 
diff --git a/libgo/runtime/runtime.h b/libgo/runtime/runtime.h
index 5da34fbc4a3..a6135b04820 100644
--- a/libgo/runtime/runtime.h
+++ b/libgo/runtime/runtime.h
@@ -94,7 +94,7 @@ struct String
 
 struct FuncVal
 {
-	void	(*fn)(void);
+	uintptr_t fn;
 	// variable-size, fn-specific data here
 };
 
@@ -295,7 +295,7 @@ void	runtime_entersyscall()
   __asm__ (GOSYM_PREFIX "runtime.entersyscall");
 void	runtime_entersyscallblock()
   __asm__ (GOSYM_PREFIX "runtime.entersyscallblock");
-G*	__go_go(void (*pfn)(void*), void*);
+G*	__go_go(uintptr, void*);
 int32	runtime_callers(int32, Location*, int32, bool keep_callers);
 int64	runtime_nanotime(void)	// monotonic time
   __asm__(GOSYM_PREFIX "runtime.nanotime");
@@ -389,7 +389,7 @@ void runtime_panic(Eface)
 /*
  * runtime c-called (but written in Go)
  */
-void	runtime_newErrorCString(const char*, Eface*)
+void	runtime_newErrorCString(uintptr, Eface*)
      __asm__ (GOSYM_PREFIX "runtime.NewErrorCString");
 
 /*
diff --git a/libgo/runtime/stack.c b/libgo/runtime/stack.c
index 2d5d1e09c15..be5e52363d2 100644
--- a/libgo/runtime/stack.c
+++ b/libgo/runtime/stack.c
@@ -20,7 +20,7 @@ extern void * __splitstack_find_context (void *context[10], size_t *, void **,
 // tail call to doscanstack1.
 #pragma GCC optimize ("-fno-optimize-sibling-calls")
 
-extern void scanstackblock(void *addr, uintptr size, void *gcw)
+extern void scanstackblock(uintptr addr, uintptr size, void *gcw)
   __asm__("runtime.scanstackblock");
 
 static bool doscanstack1(G*, void*)
@@ -84,11 +84,11 @@ static bool doscanstack1(G *gp, void *gcw) {
 		}
 	}
 	if(sp != nil) {
-		scanstackblock(sp, (uintptr)(spsize), gcw);
+		scanstackblock((uintptr)(sp), (uintptr)(spsize), gcw);
 		while((sp = __splitstack_find(next_segment, next_sp,
 					      &spsize, &next_segment,
 					      &next_sp, &initial_sp)) != nil)
-			scanstackblock(sp, (uintptr)(spsize), gcw);
+			scanstackblock((uintptr)(sp), (uintptr)(spsize), gcw);
 	}
 #else
 	byte* bottom;