code review 4058046: windows: multiple improvements and cleanups

src/pkg/runtime/cgocall.c

 // 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 "runtime.h"
 #include "cgocall.h"
 
 void *initcgo;  /* filled in by dynamic linker when Cgo is available */
 int64 ncgocall;
 void runtime·entersyscall(void);
@@ skipping 35 matching lines @@
                 g->lockedm = nil;
 
         return;
 }
 
 // When a C function calls back into Go, the wrapper function will
 // call this.  This switches to a Go stack, copies the arguments
 // (arg/argsize) on to the stack, calls the function, copies the
 // arguments back where they came from, and finally returns to the old
 // stack.
-
-#pragma textflag 7
 uintptr
 runtime·cgocallback(void (*fn)(void), void *arg, int32 argsize)
 {
         Gobuf oldsched, oldg1sched;
         G *g1;
         void *sp;
         uintptr ret;
 
         if(g != m->g0)
                 runtime·throw("bad g in cgocallback");
@@ skipping 44 matching lines @@
         runtime·cgocall(_cgo_malloc, &a);
         return a.ret;
 }
 
 void
 runtime·cfree(void *p)
 {
         runtime·cgocall(_cgo_free, p);
 }