//===----------------------------------------------------------------------===//
#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/Mangler.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/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/MC/MCSymbol.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
#include <cctype>
using namespace llvm;
namespace {
- class OcamlGCMetadataPrinter : public GCMetadataPrinter {
- public:
- void beginAssembly(AsmPrinter &AP);
- void finishAssembly(AsmPrinter &AP);
- };
-
+class OcamlGCMetadataPrinter : public GCMetadataPrinter {
+public:
+ void beginAssembly(Module &M, GCModuleInfo &Info, AsmPrinter &AP) override;
+ void finishAssembly(Module &M, GCModuleInfo &Info, AsmPrinter &AP) override;
+};
}
static GCMetadataPrinterRegistry::Add<OcamlGCMetadataPrinter>
-Y("ocaml", "ocaml 3.10-compatible collector");
+ Y("ocaml", "ocaml 3.10-compatible collector");
-void llvm::linkOcamlGCPrinter() { }
+void llvm::linkOcamlGCPrinter() {}
static void EmitCamlGlobal(const Module &M, AsmPrinter &AP, const char *Id) {
const std::string &MId = M.getModuleIdentifier();
MCSymbol *Sym = AP.OutContext.GetOrCreateSymbol(TmpStr);
- AP.OutStreamer.EmitSymbolAttribute(Sym, MCSA_Global);
- AP.OutStreamer.EmitLabel(Sym);
+ AP.OutStreamer->EmitSymbolAttribute(Sym, MCSA_Global);
+ AP.OutStreamer->EmitLabel(Sym);
}
-void OcamlGCMetadataPrinter::beginAssembly(AsmPrinter &AP) {
- AP.OutStreamer.SwitchSection(AP.getObjFileLowering().getTextSection());
- EmitCamlGlobal(getModule(), AP, "code_begin");
+void OcamlGCMetadataPrinter::beginAssembly(Module &M, GCModuleInfo &Info,
+ AsmPrinter &AP) {
+ AP.OutStreamer->SwitchSection(AP.getObjFileLowering().getTextSection());
+ EmitCamlGlobal(M, AP, "code_begin");
- AP.OutStreamer.SwitchSection(AP.getObjFileLowering().getDataSection());
- EmitCamlGlobal(getModule(), AP, "data_begin");
+ AP.OutStreamer->SwitchSection(AP.getObjFileLowering().getDataSection());
+ EmitCamlGlobal(M, AP, "data_begin");
}
/// emitAssembly - Print the frametable. The ocaml frametable format is thus:
/// (FrameSize and LiveOffsets would overflow). FrameTablePrinter will abort if
/// either condition is detected in a function which uses the GC.
///
-void OcamlGCMetadataPrinter::finishAssembly(AsmPrinter &AP) {
- unsigned IntPtrSize = AP.TM.getTargetData()->getPointerSize();
+void OcamlGCMetadataPrinter::finishAssembly(Module &M, GCModuleInfo &Info,
+ AsmPrinter &AP) {
+ unsigned IntPtrSize = AP.TM.getDataLayout()->getPointerSize();
- AP.OutStreamer.SwitchSection(AP.getObjFileLowering().getTextSection());
- EmitCamlGlobal(getModule(), AP, "code_end");
+ AP.OutStreamer->SwitchSection(AP.getObjFileLowering().getTextSection());
+ EmitCamlGlobal(M, AP, "code_end");
- AP.OutStreamer.SwitchSection(AP.getObjFileLowering().getDataSection());
- EmitCamlGlobal(getModule(), AP, "data_end");
+ AP.OutStreamer->SwitchSection(AP.getObjFileLowering().getDataSection());
+ EmitCamlGlobal(M, AP, "data_end");
// FIXME: Why does ocaml emit this??
- AP.OutStreamer.EmitIntValue(0, IntPtrSize, 0);
+ AP.OutStreamer->EmitIntValue(0, IntPtrSize);
- AP.OutStreamer.SwitchSection(AP.getObjFileLowering().getDataSection());
- EmitCamlGlobal(getModule(), AP, "frametable");
+ AP.OutStreamer->SwitchSection(AP.getObjFileLowering().getDataSection());
+ EmitCamlGlobal(M, AP, "frametable");
int NumDescriptors = 0;
- for (iterator I = begin(), IE = end(); I != IE; ++I) {
+ for (GCModuleInfo::FuncInfoVec::iterator I = Info.funcinfo_begin(),
+ IE = Info.funcinfo_end();
+ I != IE; ++I) {
GCFunctionInfo &FI = **I;
+ if (FI.getStrategy().getName() != getStrategy().getName())
+ // this function is managed by some other GC
+ continue;
for (GCFunctionInfo::iterator J = FI.begin(), JE = FI.end(); J != JE; ++J) {
NumDescriptors++;
}
}
- if (NumDescriptors >= 1<<16) {
+ 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) {
+ for (GCModuleInfo::FuncInfoVec::iterator I = Info.funcinfo_begin(),
+ IE = Info.funcinfo_end();
+ I != IE; ++I) {
GCFunctionInfo &FI = **I;
+ if (FI.getStrategy().getName() != getStrategy().getName())
+ // this function is managed by some other GC
+ continue;
uint64_t FrameSize = FI.getFrameSize();
- if (FrameSize >= 1<<16) {
+ if (FrameSize >= 1 << 16) {
// 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)) + ")");
+ "Frame size " +
+ Twine(FrameSize) + ">= 65536.\n"
+ "(" +
+ Twine(uintptr_t(&FI)) + ")");
}
- AP.OutStreamer.AddComment("live roots for " +
- Twine(FI.getFunction().getName()));
- AP.OutStreamer.AddBlankLine();
+ AP.OutStreamer->AddComment("live roots for " +
+ Twine(FI.getFunction().getName()));
+ AP.OutStreamer->AddBlankLine();
for (GCFunctionInfo::iterator J = FI.begin(), JE = FI.end(); J != JE; ++J) {
size_t LiveCount = FI.live_size(J);
- if (LiveCount >= 1<<16) {
+ if (LiveCount >= 1 << 16) {
// Very rude!
report_fatal_error("Function '" + FI.getFunction().getName() +
"' is too large for the ocaml GC! "
- "Live root count "+Twine(LiveCount)+" >= 65536.");
+ "Live root count " +
+ Twine(LiveCount) + " >= 65536.");
}
- AP.OutStreamer.EmitSymbolValue(J->Label, IntPtrSize, 0);
+ AP.OutStreamer->EmitSymbolValue(J->Label, IntPtrSize);
AP.EmitInt16(FrameSize);
AP.EmitInt16(LiveCount);
for (GCFunctionInfo::live_iterator K = FI.live_begin(J),
- KE = FI.live_end(J); K != KE; ++K) {
- if (K->StackOffset >= 1<<16) {
+ KE = FI.live_end(J);
+ K != KE; ++K) {
+ 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!");
+ "GC root stack offset is outside of fixed stack frame and out "
+ "of range for ocaml GC!");
}
AP.EmitInt16(K->StackOffset);
}
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