From: Julian Seward <jseward@acm.org>
Date: Thu, 3 Dec 2009 09:50:38 +0000 (+0000)
Subject: Testing hacklet, to fill the vex tmp allocation area before each
X-Git-Tag: svn/VALGRIND_3_6_1^2~122
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c4d3a1e7029ab00fe84000c6d2e2afabbef3bb11;p=thirdparty%2Fvalgrind.git

Testing hacklet, to fill the vex tmp allocation area before each
translation, with 0x00 or 0xFF or whatever.


git-svn-id: svn://svn.valgrind.org/vex/trunk@1938
---

diff --git a/VEX/priv/main_util.c b/VEX/priv/main_util.c
index 0bba6d4bbb..097a8ddf64 100644
--- a/VEX/priv/main_util.c
+++ b/VEX/priv/main_util.c
@@ -192,6 +192,16 @@ void vexSetAllocModeTEMP_and_clear ( void )
    mode = VexAllocModeTEMP;
    temporary_curr            = &temporary[0];
    private_LibVEX_alloc_curr = &temporary[0];
+
+   /* Set to (1) and change the fill byte to 0x00 or 0xFF to test for
+      any potential bugs due to using uninitialised memory in the main
+      VEX storage area. */
+   if (0) {
+      Int i;
+      for (i = 0; i < N_TEMPORARY_BYTES; i++)
+         temporary[i] = 0x00;
+   }
+
    vexAllocSanityCheck();
 }