[llvm-commits] CVS: llvm/tools/lli/Interpreter/Interpreter.cpp Interpreter.h

Chris Lattner lattner at cs.uiuc.edu
Sun Aug 24 14:52:16 PDT 2003


Changes in directory llvm/tools/lli/Interpreter:

Interpreter.cpp updated: 1.7 -> 1.8
Interpreter.h updated: 1.32 -> 1.33

---
Log message:

Targets now configure themselves based on the source module, not on the
ad-hoc "Config" flags



---
Diffs of the changes:

Index: llvm/tools/lli/Interpreter/Interpreter.cpp
diff -u llvm/tools/lli/Interpreter/Interpreter.cpp:1.7 llvm/tools/lli/Interpreter/Interpreter.cpp:1.8
--- llvm/tools/lli/Interpreter/Interpreter.cpp:1.7	Thu Aug 21 16:12:29 2003
+++ llvm/tools/lli/Interpreter/Interpreter.cpp	Sun Aug 24 14:50:52 2003
@@ -7,27 +7,44 @@
 //===----------------------------------------------------------------------===//
 
 #include "Interpreter.h"
-#include "llvm/Target/TargetMachineImpls.h"
+#include "llvm/Module.h"
 
 /// createInterpreter - Create a new interpreter object.  This can never fail.
 ///
 ExecutionEngine *ExecutionEngine::createInterpreter(Module *M,
-						    unsigned Config,
 						    bool DebugMode,
 						    bool TraceMode) {
-  return new Interpreter(M, Config, DebugMode, TraceMode);
+  bool isLittleEndian;
+  switch (M->getEndianness()) {
+  case Module::LittleEndian: isLittleEndian = true; break;
+  case Module::BigEndian:    isLittleEndian = false; break;
+  case Module::AnyPointerSize:
+    int Test = 0;
+    *(char*)&Test = 1;    // Return true if the host is little endian
+    isLittleEndian = (Test == 1);
+    break;
+  }
+
+  bool isLongPointer;
+  switch (M->getPointerSize()) {
+  case Module::Pointer32: isLongPointer = false; break;
+  case Module::Pointer64: isLongPointer = true; break;
+  case Module::AnyPointerSize:
+    isLongPointer = (sizeof(void*) == 8);  // Follow host
+    break;
+  }
+
+  return new Interpreter(M, isLittleEndian, isLongPointer, DebugMode,TraceMode);
 }
 
 //===----------------------------------------------------------------------===//
 // Interpreter ctor - Initialize stuff
 //
-Interpreter::Interpreter(Module *M, unsigned Config,
-			 bool DebugMode, bool TraceMode)
+Interpreter::Interpreter(Module *M, bool isLittleEndian, bool isLongPointer,
+                         bool DebugMode, bool TraceMode)
   : ExecutionEngine(M), ExitCode(0), Debug(DebugMode), Trace(TraceMode),
-    CurFrame(-1), TD("lli", (Config & TM::EndianMask) == TM::LittleEndian,
-		     (Config & TM::PtrSizeMask) == TM::PtrSize64 ? 8 : 4,
-		     (Config & TM::PtrSizeMask) == TM::PtrSize64 ? 8 : 4,
-		     (Config & TM::PtrSizeMask) == TM::PtrSize64 ? 8 : 4) {
+    CurFrame(-1), TD("lli", isLittleEndian, isLongPointer ? 8 : 4,
+                     isLongPointer ? 8 : 4, isLongPointer ? 8 : 4) {
 
   setTargetData(TD);
   // Initialize the "backend"


Index: llvm/tools/lli/Interpreter/Interpreter.h
diff -u llvm/tools/lli/Interpreter/Interpreter.h:1.32 llvm/tools/lli/Interpreter/Interpreter.h:1.33
--- llvm/tools/lli/Interpreter/Interpreter.h:1.32	Thu Aug 21 16:12:29 2003
+++ llvm/tools/lli/Interpreter/Interpreter.h	Sun Aug 24 14:50:52 2003
@@ -87,7 +87,8 @@
   // AtExitHandlers - List of functions to call when the program exits.
   std::vector<Function*> AtExitHandlers;
 public:
-  Interpreter(Module *M, unsigned Config, bool DebugMode, bool TraceMode);
+  Interpreter(Module *M, bool isLittleEndian, bool isLongPointer,
+              bool DebugMode, bool TraceMode);
   inline ~Interpreter() { CW.setModule(0); }
 
   // getExitCode - return the code that should be the exit code for the lli





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