[SPARC64]: Enable KALLSYMS, use print_symbol().

arch/sparc64/Kconfig

@@ -924,6 +924,13 @@ config DEBUG_SPINLOCK
 	  best used in conjunction with the NMI watchdog so that spinlock
 	  deadlocks are also debuggable.
 
+config KALLSYMS
+	bool "Load all symbols for debugging/ksymoops"
+	help
+	  Say Y here to let the kernel print out symbolic crash information and
+	  symbolic stack backtraces. This increases the size of the kernel
+	  somewhat, as all symbols have to be loaded into the kernel image.
+
 config DEBUG_SPINLOCK_SLEEP
 	bool "Sleep-inside-spinlock checking"
 	help

arch/sparc64/kernel/process.c

@@ -16,6 +16,7 @@
 #include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
+#include <linux/kallsyms.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
@@ -284,6 +285,7 @@ void __show_regs(struct pt_regs * regs)
 #endif
 	printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x    %s\n", regs->tstate,
 	       regs->tpc, regs->tnpc, regs->y, print_tainted());
+	print_symbol("TPC: <%s>\n", regs->tpc);
 	printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n",
 	       regs->u_regs[0], regs->u_regs[1], regs->u_regs[2],
 	       regs->u_regs[3]);

arch/sparc64/kernel/traps.c

@@ -12,6 +12,7 @@
 #include <linux/config.h>
 #include <linux/sched.h>  /* for jiffies */
 #include <linux/kernel.h>
+#include <linux/kallsyms.h>
 #include <linux/signal.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
@@ -1644,7 +1645,9 @@ void die_if_kernel(char *str, struct pt_regs *regs)
 		       (char *) rw < ((char *) current)
 		       + sizeof (union thread_union) 		&&
 		       !(((unsigned long) rw) & 0x7)) {
-			printk("Caller[%016lx]\n", rw->ins[7]);
+			printk("Caller[%016lx]", rw->ins[7]);
+			print_symbol(": %s\n", rw->ins[7]);
+			printk("\n");
 			lastrw = rw;
 			rw = (struct reg_window *)
 				(rw->ins[6] + STACK_BIAS);