Merge System into Support.

[oota-llvm.git] / lib / ExecutionEngine / Interpreter / ExternalFunctions.cpp

diff --git a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
index c02d84f1a59b642a62f40e4d9f553e85272418b0..062256a2ac734be0e95fcd1fc0eb1713abfcf2c1 100644 (file)
--- a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
+++ b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
@@ -24,10 +24,10 @@
 #include "llvm/Module.h"
 #include "llvm/Config/config.h"     // Detect libffi
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/System/DynamicLibrary.h"
+#include "llvm/Support/DynamicLibrary.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Support/ManagedStatic.h"
-#include "llvm/System/Mutex.h"
+#include "llvm/Support/Mutex.h"
 #include <csignal>
 #include <cstdio>
 #include <map>
@@ -126,7 +126,7 @@ static ffi_type *ffiTypeFor(const Type *Ty) {
     default: break;
   }
   // TODO: Support other types such as StructTyID, ArrayTyID, OpaqueTyID, etc.
-  llvm_report_error("Type could not be mapped for use with libffi.");
+  report_fatal_error("Type could not be mapped for use with libffi.");
   return NULL;
 }
 
@@ -174,7 +174,7 @@ static void *ffiValueFor(const Type *Ty, const GenericValue &AV,
     default: break;
   }
   // TODO: Support other types such as StructTyID, ArrayTyID, OpaqueTyID, etc.
-  llvm_report_error("Type value could not be mapped for use with libffi.");
+  report_fatal_error("Type value could not be mapped for use with libffi.");
   return NULL;
 }
 
@@ -188,7 +188,7 @@ static bool ffiInvoke(RawFunc Fn, Function *F,
   // TODO: We don't have type information about the remaining arguments, because
   // this information is never passed into ExecutionEngine::runFunction().
   if (ArgVals.size() > NumArgs && F->isVarArg()) {
-    llvm_report_error("Calling external var arg function '" + F->getName()
+    report_fatal_error("Calling external var arg function '" + F->getName()
                       + "' is not supported by the Interpreter.");
   }
 
@@ -265,6 +265,8 @@ GenericValue Interpreter::callExternalFunction(Function *F,
   if (RF == RawFunctions->end()) {
     RawFn = (RawFunc)(intptr_t)
       sys::DynamicLibrary::SearchForAddressOfSymbol(F->getName());
+    if (!RawFn)
+      RawFn = (RawFunc)(intptr_t)getPointerToGlobalIfAvailable(F);
     if (RawFn != 0)
       RawFunctions->insert(std::make_pair(F, RawFn));  // Cache for later
   } else {
@@ -282,7 +284,7 @@ GenericValue Interpreter::callExternalFunction(Function *F,
     errs() << "Tried to execute an unknown external function: "
       << F->getType()->getDescription() << " __main\n";
   else
-    llvm_report_error("Tried to execute an unknown external function: " +
+    report_fatal_error("Tried to execute an unknown external function: " +
                       F->getType()->getDescription() + " " +F->getName());
 #ifndef USE_LIBFFI
   errs() << "Recompiling LLVM with --enable-libffi might help.\n";
@@ -323,7 +325,7 @@ GenericValue lle_X_exit(const FunctionType *FT,
 GenericValue lle_X_abort(const FunctionType *FT,
                          const std::vector<GenericValue> &Args) {
   //FIXME: should we report or raise here?
-  //llvm_report_error("Interpreted program raised SIGABRT");
+  //report_fatal_error("Interpreted program raised SIGABRT");
   raise (SIGABRT);
   return GenericValue();
 }
@@ -368,7 +370,7 @@ GenericValue lle_X_sprintf(const FunctionType *FT,
 
       switch (Last) {
       case '%':
-        strcpy(Buffer, "%"); break;
+        memcpy(Buffer, "%", 2); break;
       case 'c':
         sprintf(Buffer, FmtBuf, uint32_t(Args[ArgNo++].IntVal.getZExtValue()));
         break;
@@ -400,8 +402,9 @@ GenericValue lle_X_sprintf(const FunctionType *FT,
         errs() << "<unknown printf code '" << *FmtStr << "'!>";
         ArgNo++; break;
       }
-      strcpy(OutputBuffer, Buffer);
-      OutputBuffer += strlen(Buffer);
+      size_t Len = strlen(Buffer);
+      memcpy(OutputBuffer, Buffer, Len + 1);
+      OutputBuffer += Len;
       }
       break;
     }