diff options
Diffstat (limited to 'lib/Core')
-rw-r--r-- | lib/Core/SpecialFunctionHandler.cpp | 9 | ||||
-rw-r--r-- | lib/Core/SpecialFunctionHandler.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/Core/SpecialFunctionHandler.cpp b/lib/Core/SpecialFunctionHandler.cpp index 04a82cf7..f06ae4f5 100644 --- a/lib/Core/SpecialFunctionHandler.cpp +++ b/lib/Core/SpecialFunctionHandler.cpp @@ -112,6 +112,7 @@ static SpecialFunctionHandler::HandlerInfo handlerInfo[] = { add("__ubsan_handle_add_overflow", handleAddOverflow, false), add("__ubsan_handle_sub_overflow", handleSubOverflow, false), add("__ubsan_handle_mul_overflow", handleMulOverflow, false), + add("__ubsan_handle_divrem_overflow", handleDivRemOverflow, false), #undef addDNR #undef add @@ -736,3 +737,11 @@ void SpecialFunctionHandler::handleMulOverflow(ExecutionState &state, "overflow on unsigned multiplication", "overflow.err"); } + +void SpecialFunctionHandler::handleDivRemOverflow(ExecutionState &state, + KInstruction *target, + std::vector<ref<Expr> > &arguments) { + executor.terminateStateOnError(state, + "overflow on division or remainder", + "overflow.err"); +} diff --git a/lib/Core/SpecialFunctionHandler.h b/lib/Core/SpecialFunctionHandler.h index 601b149b..d52b8fc5 100644 --- a/lib/Core/SpecialFunctionHandler.h +++ b/lib/Core/SpecialFunctionHandler.h @@ -135,6 +135,7 @@ namespace klee { HANDLER(handleAddOverflow); HANDLER(handleMulOverflow); HANDLER(handleSubOverflow); + HANDLER(handleDivRemOverflow); #undef HANDLER }; } // End klee namespace |