Author: gclayton
Date: Tue Feb 10 13:43:15 2015
New Revision: 228729
URL: http://llvm.org/viewvc/llvm-project?rev=228729&view=rev
Log:
Don't crash when evaluating a DWARF expression has a DW_OP_bra with nothing on
the value stack.
<rdar://problem/18919125>
Modified:
lldb/trunk/source/Expression/DWARFExpression.cpp
Modified: lldb/trunk/source/Expression/DWARFExpression.cpp
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Expression/DWARFExpression.cpp?rev=228729&r1=228728&r2=228729&view=diff
==============================================================================
--- lldb/trunk/source/Expression/DWARFExpression.cpp (original)
+++ lldb/trunk/source/Expression/DWARFExpression.cpp Tue Feb 10 13:43:15 2015
@@ -2198,6 +2198,13 @@ DWARFExpression::Evaluate
// constant.
//----------------------------------------------------------------------
case DW_OP_bra:
+ if (stack.empty())
+ {
+ if (error_ptr)
+ error_ptr->SetErrorString("Expression stack needs at least
1 item for DW_OP_bra.");
+ return false;
+ }
+ else
{
tmp = stack.back();
stack.pop_back();
_______________________________________________
lldb-commits mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits
