[cfe-commits] r38978 - /cfe/cfe/trunk/Driver/Targets.cpp

[sabre at cs.uiuc.edu]

Author: sabre
Date: Wed Jul 11 11:26:27 2007
New Revision: 38978

URL: http://llvm.org/viewvc/llvm-project?rev=38978&view=rev
Log:
Implement TargetInfo hooks for #defines

Modified:
    cfe/cfe/trunk/Driver/Targets.cpp

Modified: cfe/cfe/trunk/Driver/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/cfe/trunk/Driver/Targets.cpp?rev=38978&r1=38977&r2=38978&view=diff

==============================================================================
--- cfe/cfe/trunk/Driver/Targets.cpp (original)
+++ cfe/cfe/trunk/Driver/Targets.cpp Wed Jul 11 11:26:27 2007
@@ -37,49 +37,76 @@
                  clEnumValEnd));
 
 //===----------------------------------------------------------------------===//
-//  Common code shared among the Darwin targets.
+//  Common code shared among targets.
 //===----------------------------------------------------------------------===//
 
 namespace {
 class DarwinTargetInfo : public TargetInfoImpl {
 public:
-  
-  // nothing so far.
+  virtual void getTargetDefines(std::vector<std::string> &Defines) const {
+    Defines.push_back("__APPLE__");
+  }
+
 };
 } // end anonymous namespace.
 
 
+/// getPowerPCDefines - Return a set of the PowerPC-specific #defines that are
+/// not tied to a specific subtarget.
+static void getPowerPCDefines(std::vector<std::string> &Defines, bool is64Bit) {
+  Defines.push_back("__ppc__");
+
+}
+
+/// getX86Defines - Return a set of the X86-specific #defines that are
+/// not tied to a specific subtarget.
+static void getX86Defines(std::vector<std::string> &Defines, bool is64Bit) {
+  Defines.push_back("__i386__");
+
+}
+
 //===----------------------------------------------------------------------===//
 // Specific target implementations.
 //===----------------------------------------------------------------------===//
 
-// FIXME: Move target-specific preprocessor definitions here.
 
 namespace {
 class DarwinPPCTargetInfo : public DarwinTargetInfo {
 public:
-  // nothing so far.
+  virtual void getTargetDefines(std::vector<std::string> &Defines) const {
+    DarwinTargetInfo::getTargetDefines(Defines);
+    getPowerPCDefines(Defines, false);
+  }
 };
 } // end anonymous namespace.
 
 namespace {
 class DarwinPPC64TargetInfo : public DarwinTargetInfo {
 public:
-    // nothing so far.
+  virtual void getTargetDefines(std::vector<std::string> &Defines) const {
+    DarwinTargetInfo::getTargetDefines(Defines);
+    getPowerPCDefines(Defines, true);
+  }
 };
 } // end anonymous namespace.
 
 namespace {
 class DarwinI386TargetInfo : public DarwinTargetInfo {
 public:
-    // nothing so far.
+  virtual void getTargetDefines(std::vector<std::string> &Defines) const {
+    DarwinTargetInfo::getTargetDefines(Defines);
+    getX86Defines(Defines, false);
+  }
 };
 } // end anonymous namespace.
 
 namespace {
 class DarwinX86_64TargetInfo : public DarwinTargetInfo {
 public:
-    // nothing so far.
+  virtual void getTargetDefines(std::vector<std::string> &Defines) const {
+    DarwinTargetInfo::getTargetDefines(Defines);
+    getX86Defines(Defines, true);
+  }
 };
 } // end anonymous namespace.
 
@@ -90,6 +117,11 @@
     // Note: I have no idea if this is right, just for testing.
     WCharWidth = 2;
   }
+  
+  virtual void getTargetDefines(std::vector<std::string> &Defines) const {
+    // TODO: linux-specific stuff.
+    getX86Defines(Defines, false);
+  }
 };
 } // end anonymous namespace.