code review 10169045: runtime: adjust traceback / garbage collector boundary

src/pkg/runtime/signal_arm.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.
 
 // +build darwin freebsd linux netbsd openbsd
 
 #include "runtime.h"
 #include "defs_GOOS_GOARCH.h"
 #include "os_GOOS.h"
 #include "signal_GOOS_GOARCH.h"
@@ skipping 93 matching lines @@
                 runtime·printf("%s\n", runtime·sigtab[sig].name);
 
         runtime·printf("PC=%x\n", SIG_PC(info, ctxt));
         if(m->lockedg != nil && m->ncgo > 0 && gp == m->g0) {
                 runtime·printf("signal arrived during cgo execution\n");
                 gp = m->lockedg;
         }
         runtime·printf("\n");
 
         if(runtime·gotraceback(&crash)){
-                runtime·traceback((void*)SIG_PC(info, ctxt), (void*)SIG_SP(info, ctxt), (void*)SIG_LR(info, ctxt), gp);
+                runtime·traceback(SIG_PC(info, ctxt), SIG_SP(info, ctxt), SIG_LR(info, ctxt), gp);
                 runtime·tracebackothers(gp);
                 runtime·printf("\n");
                 runtime·dumpregs(info, ctxt);
         }
 ········
         if(crash)
                 runtime·crash();
 
         runtime·exit(2);
 }