From: Tom Hughes <tom@compton.nu>
Date: Thu, 21 Jan 2010 10:19:46 +0000 (+0000)
Subject: DW_OP_mod should do unsigned arithmetic. Closes #223656.
X-Git-Tag: svn/VALGRIND_3_6_0~396
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e877852408abce08ce25a2171c830012cec46fb9;p=thirdparty%2Fvalgrind.git

DW_OP_mod should do unsigned arithmetic. Closes #223656.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11028
---

diff --git a/coregrind/m_debuginfo/d3basics.c b/coregrind/m_debuginfo/d3basics.c
index 4585894c94..e4d4ed1c36 100644
--- a/coregrind/m_debuginfo/d3basics.c
+++ b/coregrind/m_debuginfo/d3basics.c
@@ -770,12 +770,12 @@ GXResult ML_(evaluate_Dwarf3_Expr) ( UChar* expr, UWord exprszB,
             PUSH(sw1);
             break;
          case DW_OP_mod:
-            POP(sw2);
-            if (sw2 == 0)
+            POP(uw2);
+            if (uw2 == 0)
                FAIL("evaluate_Dwarf3_Expr: division by zero");
-            POP(sw1);
-            sw1 %= sw2;
-            PUSH(sw1);
+            POP(uw1);
+            uw1 %= uw2;
+            PUSH(uw1);
             break;
 #define BINARY(name, op, s) \
          case DW_OP_##name:		\