patch-2.1.125 linux/fs/proc/array.c

• Lines: 30
• Date: Mon Oct 5 10:04:35 1998
• Orig file: v2.1.124/linux/fs/proc/array.c
• Orig date: Thu Sep 17 17:53:38 1998

diff -u --recursive --new-file v2.1.124/linux/fs/proc/array.c linux/fs/proc/array.c
@@ -563,6 +563,29 @@
 			fp = *(unsigned long *) (fp - 12);
 		} while (count ++ < 16);
 	}
+#elif defined (__sparc__)
+	{
+		unsigned long pc, fp, bias = 0;
+		unsigned long task_base = (unsigned long) p;
+		struct reg_window *rw;
+		int count = 0;
+
+#ifdef __sparc_v9__
+		bias = STACK_BIAS;
+#endif
+	    	fp = p->tss.ksp + bias;
+		do {
+			/* Bogus frame pointer? */
+			if (fp < (task_base + sizeof(struct task_struct)) ||
+			    fp >= (task_base + (2 * PAGE_SIZE)))
+				break;
+			rw = (struct reg_window *) fp;
+			pc = rw->ins[7];
+			if (pc < first_sched || pc >= last_sched)
+				return pc;
+			fp = rw->ins[6] + bias;
+		} while (++count < 16);
+	}
 #endif
 	return 0;
 }