From: Julian Seward <jseward@acm.org>
Date: Mon, 6 Dec 2004 14:24:52 +0000 (+0000)
Subject: Ensure VEX control parameters are sane.
X-Git-Tag: svn/VALGRIND_3_0_0~1135
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dfd443a0c4555341f02f4658b6acdd9f21b61bc9;p=thirdparty%2Fvalgrind.git

Ensure VEX control parameters are sane.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3183
---

diff --git a/coregrind/vg_main.c b/coregrind/vg_main.c
index 808e77cb96..b0c286a672 100644
--- a/coregrind/vg_main.c
+++ b/coregrind/vg_main.c
@@ -1858,7 +1858,17 @@ static void process_cmd_line_options( UInt* client_auxv, const char* toolname )
       }
    }
 
-   // Check various option values
+   /* Make VEX control parameters sane */
+
+   if (VG_(clo_vex_control).guest_chase_thresh
+       >= VG_(clo_vex_control).guest_max_insns)
+      VG_(clo_vex_control).guest_chase_thresh
+         = VG_(clo_vex_control).guest_max_insns - 1;
+
+   if (VG_(clo_vex_control).guest_chase_thresh < 0)
+      VG_(clo_vex_control).guest_chase_thresh = 0;
+
+   /* Check various option values */
 
    if (VG_(clo_verbosity) < 0)
       VG_(clo_verbosity) = 0;