make getcallerpcs() and callsites use 64bit friendly types

Author: swetland

include/defs.h

@@ -122,7 +122,7 @@ void            swtch(struct context**, struct context*);
 
 // spinlock.c
 void            acquire(struct spinlock*);
-void            getcallerpcs(void*, uint*);
+void            getcallerpcs(void*, uintp*);
 int             holding(struct spinlock*);
 void            initlock(struct spinlock*, char*);
 void            release(struct spinlock*);

include/spinlock.h

@@ -5,7 +5,7 @@ struct spinlock {
   // For debugging:
   char *name;        // Name of lock.
   struct cpu *cpu;   // The cpu holding the lock.
-  uint pcs[10];      // The call stack (an array of program counters)
+  uintp pcs[10];      // The call stack (an array of program counters)
                      // that locked the lock.
 };
 

kernel/console.c

@@ -119,7 +119,7 @@ void
 panic(char *s)
 {
   int i;
-  uint pcs[10];
+  uintp pcs[10];
 
   cli();
   cons.locking = 0;

kernel/spinlock.c

@@ -65,7 +65,7 @@ release(struct spinlock *lk)
 
 // Record the current call stack in pcs[] by following the %ebp chain.
 void
-getcallerpcs(void *v, uint pcs[])
+getcallerpcs(void *v, uintp pcs[])
 {
   uintp *ebp;
   int i;