Print NULL for zero address in sys_mmap64

2012-02-02 H.J. Lu <hongjiu.lu@intel.com> * mem.c (sys_mmap64): Print NULL for zero address.
hjl-tools · Feb 2, 2012 · a2301e6 · a2301e6
1 parent 03aefda
commit a2301e6
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diff --git a/ChangeLog.hjl b/ChangeLog.hjl
@@ -0,0 +1,3 @@
+2012-02-02  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* mem.c (sys_mmap64): Print NULL for zero address.
diff --git a/mem.c b/mem.c
@@ -360,7 +360,10 @@ sys_mmap64(struct tcb *tcp)
 #endif /* linux */
 
 		/* addr */
-		tprintf("%#lx, ", u_arg[0]);
+		if (!u_arg[0])
+			tprintf("NULL, ");
+		else
+			tprintf("%#lx, ", u_arg[0]);
 		/* len */
 		tprintf("%lu, ", u_arg[1]);
 		/* prot */