code review 884041: runtime: various arm fixes

src/pkg/runtime/amd64/traceback.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 "malloc.h"
 
 // This code is also used for the 386 tracebacks.
 // Use uintptr for an appropriate word-sized integer.
 
@@ skipping 81 matching lines @@
                 if(f->frame < sizeof(uintptr))  // assembly functions lie
                         sp += sizeof(uintptr);
                 else
                         sp += f->frame;
                 pc = *((uintptr*)sp - 1);
         }
         return n;
 }
 
 void
-traceback(byte *pc0, byte *sp, byte *lr, G *g)
+traceback(byte *pc0, byte *sp, byte*, G *g)
 {
         gentraceback(pc0, sp, g, 0, nil, 100);
 }
 
 int32
 callers(int32 skip, uintptr *pcbuf, int32 m)
 {
         byte *pc, *sp;
 
         // our caller's pc, sp.
         sp = (byte*)&skip;
         pc = ·getcallerpc(&skip);
 
         return gentraceback(pc, sp, g, skip, pcbuf, m);
 }