* Implement exit() builtin function

* Implement linked in runtime library with puts(char*) in it
* implement builtin putchar(int) function


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@985 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp
index b8cb490934..9ad5abab2d 100644
--- a/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -419,6 +419,15 @@ static void executeBinaryInst(BinaryOperator *I, ExecutionContext &SF) {
 //                     Terminator Instruction Implementations
 //===----------------------------------------------------------------------===//
 
+void Interpreter::exitCalled(GenericValue GV) {
+  cout << "Program returned ";
+  print(Type::IntTy, GV);
+  cout << " via 'void exit(int)'\n";
+
+  ExitCode = GV.SByteVal;
+  ECStack.clear();
+}
+
 void Interpreter::executeRetInst(ReturnInst *I, ExecutionContext &SF) {
   const Type *RetTy = 0;
   GenericValue Result;