#include "X86AsmPrinter.h"
#include "InstPrinter/X86ATTInstPrinter.h"
#include "MCTargetDesc/X86BaseInfo.h"
-#include "X86COFFMachineModuleInfo.h"
#include "X86InstrInfo.h"
#include "X86MachineFunctionInfo.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/MachineValueType.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
/// runOnMachineFunction - Emit the function body.
///
bool X86AsmPrinter::runOnMachineFunction(MachineFunction &MF) {
+ SMShadowTracker.startFunction(MF);
+
SetupMachineFunction(MF);
if (Subtarget->isTargetCOFF()) {
4 /*size*/);
}
+MCSymbol *X86AsmPrinter::GetCPISymbol(unsigned CPID) const {
+ if (Subtarget->isTargetKnownWindowsMSVC()) {
+ const MachineConstantPoolEntry &CPE =
+ MF->getConstantPool()->getConstants()[CPID];
+ if (!CPE.isMachineConstantPoolEntry()) {
+ SectionKind Kind =
+ CPE.getSectionKind(TM.getSubtargetImpl()->getDataLayout());
+ const Constant *C = CPE.Val.ConstVal;
+ if (const MCSectionCOFF *S = dyn_cast<MCSectionCOFF>(
+ getObjFileLowering().getSectionForConstant(Kind, C))) {
+ if (MCSymbol *Sym = S->getCOMDATSymbol()) {
+ if (Sym->isUndefined())
+ OutStreamer.EmitSymbolAttribute(Sym, MCSA_Global);
+ return Sym;
+ }
+ }
+ }
+ }
+
+ return AsmPrinter::GetCPISymbol(CPID);
+}
+void X86AsmPrinter::GenerateExportDirective(const MCSymbol *Sym, bool IsData) {
+ SmallString<128> Directive;
+ raw_svector_ostream OS(Directive);
+ StringRef Name = Sym->getName();
+
+ if (Subtarget->isTargetKnownWindowsMSVC())
+ OS << " /EXPORT:";
+ else
+ OS << " -export:";
+
+ if ((Subtarget->isTargetWindowsGNU() || Subtarget->isTargetWindowsCygwin()) &&
+ (Name[0] == getDataLayout().getGlobalPrefix()))
+ Name = Name.drop_front();
+
+ OS << Name;
+
+ if (IsData) {
+ if (Subtarget->isTargetKnownWindowsMSVC())
+ OS << ",DATA";
+ else
+ OS << ",data";
+ }
+
+ OS.flush();
+ OutStreamer.EmitBytes(Directive);
+}
void X86AsmPrinter::EmitEndOfAsmFile(Module &M) {
if (Subtarget->isTargetMacho()) {
5, SectionKind::getMetadata());
OutStreamer.SwitchSection(TheSection);
- for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
+ for (const auto &Stub : Stubs) {
// L_foo$stub:
- OutStreamer.EmitLabel(Stubs[i].first);
+ OutStreamer.EmitLabel(Stub.first);
// .indirect_symbol _foo
- OutStreamer.EmitSymbolAttribute(Stubs[i].second.getPointer(),
+ OutStreamer.EmitSymbolAttribute(Stub.second.getPointer(),
MCSA_IndirectSymbol);
// hlt; hlt; hlt; hlt; hlt hlt = 0xf4.
const char HltInsts[] = "\xf4\xf4\xf4\xf4\xf4";
}
if (Subtarget->isTargetCOFF()) {
- X86COFFMachineModuleInfo &COFFMMI =
- MMI->getObjFileInfo<X86COFFMachineModuleInfo>();
-
- // Emit type information for external functions
- typedef X86COFFMachineModuleInfo::externals_iterator externals_iterator;
- for (externals_iterator I = COFFMMI.externals_begin(),
- E = COFFMMI.externals_end();
- I != E; ++I) {
- OutStreamer.BeginCOFFSymbolDef(CurrentFnSym);
- OutStreamer.EmitCOFFSymbolStorageClass(COFF::IMAGE_SYM_CLASS_EXTERNAL);
- OutStreamer.EmitCOFFSymbolType(COFF::IMAGE_SYM_DTYPE_FUNCTION
- << COFF::SCT_COMPLEX_TYPE_SHIFT);
- OutStreamer.EndCOFFSymbolDef();
- }
-
// Necessary for dllexport support
std::vector<const MCSymbol*> DLLExportedFns, DLLExportedGlobals;
- for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I)
- if (I->hasDLLExportStorageClass())
- DLLExportedFns.push_back(getSymbol(I));
+ for (const auto &Function : M)
+ if (Function.hasDLLExportStorageClass())
+ DLLExportedFns.push_back(getSymbol(&Function));
- for (Module::const_global_iterator I = M.global_begin(),
- E = M.global_end(); I != E; ++I)
- if (I->hasDLLExportStorageClass())
- DLLExportedGlobals.push_back(getSymbol(I));
+ for (const auto &Global : M.globals())
+ if (Global.hasDLLExportStorageClass())
+ DLLExportedGlobals.push_back(getSymbol(&Global));
- for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
- I != E; ++I) {
- const GlobalValue *GV = I;
- if (!GV->hasDLLExportStorageClass())
+ for (const auto &Alias : M.aliases()) {
+ if (!Alias.hasDLLExportStorageClass())
continue;
- while (const GlobalAlias *A = dyn_cast<GlobalAlias>(GV))
- GV = A->getAliasedGlobal();
-
- if (isa<Function>(GV))
- DLLExportedFns.push_back(getSymbol(I));
- else if (isa<GlobalVariable>(GV))
- DLLExportedGlobals.push_back(getSymbol(I));
+ if (Alias.getType()->getElementType()->isFunctionTy())
+ DLLExportedFns.push_back(getSymbol(&Alias));
+ else
+ DLLExportedGlobals.push_back(getSymbol(&Alias));
}
// Output linker support code for dllexported globals on windows.
static_cast<const TargetLoweringObjectFileCOFF&>(getObjFileLowering());
OutStreamer.SwitchSection(TLOFCOFF.getDrectveSection());
- SmallString<128> name;
- for (unsigned i = 0, e = DLLExportedGlobals.size(); i != e; ++i) {
- if (Subtarget->isTargetKnownWindowsMSVC())
- name = " /EXPORT:";
- else
- name = " -export:";
- name += DLLExportedGlobals[i]->getName();
- if (Subtarget->isTargetKnownWindowsMSVC())
- name += ",DATA";
- else
- name += ",data";
- OutStreamer.EmitBytes(name);
- }
- for (unsigned i = 0, e = DLLExportedFns.size(); i != e; ++i) {
- if (Subtarget->isTargetKnownWindowsMSVC())
- name = " /EXPORT:";
- else
- name = " -export:";
- name += DLLExportedFns[i]->getName();
- OutStreamer.EmitBytes(name);
- }
+ for (auto & Symbol : DLLExportedGlobals)
+ GenerateExportDirective(Symbol, /*IsData=*/true);
+ for (auto & Symbol : DLLExportedFns)
+ GenerateExportDirective(Symbol, /*IsData=*/false);
}
}
MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList();
if (!Stubs.empty()) {
OutStreamer.SwitchSection(TLOFELF.getDataRelSection());
- const DataLayout *TD = TM.getDataLayout();
+ const DataLayout *TD = TM.getSubtargetImpl()->getDataLayout();
- for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
- OutStreamer.EmitLabel(Stubs[i].first);
- OutStreamer.EmitSymbolValue(Stubs[i].second.getPointer(),
+ for (const auto &Stub : Stubs) {
+ OutStreamer.EmitLabel(Stub.first);
+ OutStreamer.EmitSymbolValue(Stub.second.getPointer(),
TD->getPointerSize());
}
Stubs.clear();
}
+
+ SM.serializeToStackMapSection();
}
}
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