#include "X86.h"
#include "X86FixupKinds.h"
#include "llvm/ADT/Twine.h"
+#include "llvm/MC/ELFObjectWriter.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCObjectWriter.h"
+#include "llvm/MC/MCSectionCOFF.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MachObjectWriter.h"
HasScatteredSymbols = true;
}
- MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
- return 0;
- }
-
bool isVirtualSection(const MCSection &Section) const {
const MCSectionELF &SE = static_cast<const MCSectionELF&>(Section);
return SE.getType() == MCSectionELF::SHT_NOBITS;;
public:
ELFX86_32AsmBackend(const Target &T)
: ELFX86AsmBackend(T) {}
+
+ MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
+ return new ELFObjectWriter(OS, /*Is64Bit=*/false,
+ /*IsLittleEndian=*/true,
+ /*HasRelocationAddend=*/false);
+ }
};
class ELFX86_64AsmBackend : public ELFX86AsmBackend {
public:
ELFX86_64AsmBackend(const Target &T)
: ELFX86AsmBackend(T) {}
+
+ MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
+ return new ELFObjectWriter(OS, /*Is64Bit=*/true,
+ /*IsLittleEndian=*/true,
+ /*HasRelocationAddend=*/true);
+ }
+};
+
+class WindowsX86AsmBackend : public X86AsmBackend {
+public:
+ WindowsX86AsmBackend(const Target &T)
+ : X86AsmBackend(T) {
+ HasScatteredSymbols = true;
+ }
+
+ MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
+ return createWinCOFFObjectWriter (OS);
+ }
+
+ bool isVirtualSection(const MCSection &Section) const {
+ const MCSectionCOFF &SE = static_cast<const MCSectionCOFF&>(Section);
+ return SE.getCharacteristics() & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+ }
};
class DarwinX86AsmBackend : public X86AsmBackend {
switch (Triple(TT).getOS()) {
case Triple::Darwin:
return new DarwinX86_32AsmBackend(T);
+ case Triple::MinGW32:
+ case Triple::Cygwin:
+ case Triple::Win32:
+ return new WindowsX86AsmBackend(T);
default:
return new ELFX86_32AsmBackend(T);
}