#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
+#include "llvm/DataLayout.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 {
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);
/// 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(0);
AP.OutStreamer.SwitchSection(AP.getObjFileLowering().getTextSection());
EmitCamlGlobal(getModule(), AP, "code_end");
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) << ")";
- report_fatal_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 " +
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.";
- report_fatal_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);
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);