Move all of the header files which are involved in modelling the LLVM IR

[oota-llvm.git] / lib / CodeGen / AsmPrinter / OcamlGCPrinter.cpp

diff --git a/lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp b/lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp
index 1db178f020ec7ad8052367e13a66478d5947ff16..b802853568feb2a3c0f3cd8a5007c94e344452a3 100644 (file)
--- a/lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/OcamlGCPrinter.cpp
@@ -12,20 +12,21 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/GCs.h"
+#include "llvm/ADT/SmallString.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/GCMetadataPrinter.h"
-#include "llvm/Module.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/Module.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
 #include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FormattedStream.h"
+#include <cctype>
 using namespace llvm;
 
 namespace {
@@ -52,13 +53,13 @@ static void EmitCamlGlobal(const Module &M, AsmPrinter &AP, const char *Id) {
   SymName.append(MId.begin(), std::find(MId.begin(), MId.end(), '.'));
   SymName += "__";
   SymName += Id;
-  
+
   // Capitalize the first letter of the module name.
   SymName[Letter] = toupper(SymName[Letter]);
-  
+
   SmallString<128> TmpStr;
   AP.Mang->getNameWithPrefix(TmpStr, SymName);
-  
+
   MCSymbol *Sym = AP.OutContext.GetOrCreateSymbol(TmpStr);
 
   AP.OutStreamer.EmitSymbolAttribute(Sym, MCSA_Global);
@@ -90,7 +91,7 @@ void OcamlGCMetadataPrinter::beginAssembly(AsmPrinter &AP) {
 /// either condition is detected in a function which uses the GC.
 ///
 void OcamlGCMetadataPrinter::finishAssembly(AsmPrinter &AP) {
-  unsigned IntPtrSize = AP.TM.getTargetData()->getPointerSize();
+  unsigned IntPtrSize = AP.TM.getDataLayout()->getPointerSize();
 
   AP.OutStreamer.SwitchSection(AP.getObjFileLowering().getTextSection());
   EmitCamlGlobal(getModule(), AP, "code_end");
@@ -104,18 +105,31 @@ void OcamlGCMetadataPrinter::finishAssembly(AsmPrinter &AP) {
   AP.OutStreamer.SwitchSection(AP.getObjFileLowering().getDataSection());
   EmitCamlGlobal(getModule(), AP, "frametable");
 
+  int NumDescriptors = 0;
+  for (iterator I = begin(), IE = end(); I != IE; ++I) {
+    GCFunctionInfo &FI = **I;
+    for (GCFunctionInfo::iterator J = FI.begin(), JE = FI.end(); J != JE; ++J) {
+      NumDescriptors++;
+    }
+  }
+
+  if (NumDescriptors >= 1<<16) {
+    // Very rude!
+    report_fatal_error(" Too much descriptor for ocaml GC");
+  }
+  AP.EmitInt16(NumDescriptors);
+  AP.EmitAlignment(IntPtrSize == 4 ? 2 : 3);
+
   for (iterator I = begin(), IE = end(); I != IE; ++I) {
     GCFunctionInfo &FI = **I;
 
     uint64_t FrameSize = FI.getFrameSize();
     if (FrameSize >= 1<<16) {
-      std::string msg;
-      raw_string_ostream Msg(msg);
-      Msg << "Function '" << FI.getFunction().getName()
-           << "' is too large for the ocaml GC! "
-           << "Frame size " << FrameSize << " >= 65536.\n";
-      Msg << "(" << uintptr_t(&FI) << ")";
-      llvm_report_error(Msg.str()); // Very rude!
+      // Very rude!
+      report_fatal_error("Function '" + FI.getFunction().getName() +
+                         "' is too large for the ocaml GC! "
+                         "Frame size " + Twine(FrameSize) + ">= 65536.\n"
+                         "(" + Twine(uintptr_t(&FI)) + ")");
     }
 
     AP.OutStreamer.AddComment("live roots for " +
@@ -125,12 +139,10 @@ void OcamlGCMetadataPrinter::finishAssembly(AsmPrinter &AP) {
     for (GCFunctionInfo::iterator J = FI.begin(), JE = FI.end(); J != JE; ++J) {
       size_t LiveCount = FI.live_size(J);
       if (LiveCount >= 1<<16) {
-        std::string msg;
-        raw_string_ostream Msg(msg);
-        Msg << "Function '" << FI.getFunction().getName()
-             << "' is too large for the ocaml GC! "
-             << "Live root count " << LiveCount << " >= 65536.";
-        llvm_report_error(Msg.str()); // Very rude!
+        // Very rude!
+        report_fatal_error("Function '" + FI.getFunction().getName() +
+                           "' is too large for the ocaml GC! "
+                           "Live root count "+Twine(LiveCount)+" >= 65536.");
       }
 
       AP.OutStreamer.EmitSymbolValue(J->Label, IntPtrSize, 0);
@@ -139,11 +151,13 @@ void OcamlGCMetadataPrinter::finishAssembly(AsmPrinter &AP) {
 
       for (GCFunctionInfo::live_iterator K = FI.live_begin(J),
                                          KE = FI.live_end(J); K != KE; ++K) {
-        assert(K->StackOffset < 1<<16 &&
-               "GC root stack offset is outside of fixed stack frame and out "
-               "of range for ocaml GC!");
-
-        AP.EmitInt32(K->StackOffset);
+        if (K->StackOffset >= 1<<16) {
+          // Very rude!
+          report_fatal_error(
+                 "GC root stack offset is outside of fixed stack frame and out "
+                 "of range for ocaml GC!");
+        }
+        AP.EmitInt16(K->StackOffset);
       }
 
       AP.EmitAlignment(IntPtrSize == 4 ? 2 : 3);