#include "llvm/Target/TargetAsmBackend.h"
#include "X86.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Target/TargetAsmBackend.h"
using namespace llvm;
namespace {
class X86AsmBackend : public TargetAsmBackend {
public:
X86AsmBackend(const Target &T)
: TargetAsmBackend(T) {}
};
class DarwinX86AsmBackend : public X86AsmBackend {
public:
DarwinX86AsmBackend(const Target &T)
: X86AsmBackend(T) {}
virtual bool hasAbsolutizedSet() const { return true; }
virtual bool hasScatteredSymbols() const { return true; }
};
class DarwinX86_32AsmBackend : public DarwinX86AsmBackend {
public:
DarwinX86_32AsmBackend(const Target &T)
: DarwinX86AsmBackend(T) {}
};
class DarwinX86_64AsmBackend : public DarwinX86AsmBackend {
public:
DarwinX86_64AsmBackend(const Target &T)
: DarwinX86AsmBackend(T) {}
virtual bool doesSectionRequireSymbols(const MCSection &Section) const {
const MCSectionMachO &SMO = static_cast<const MCSectionMachO&>(Section);
return SMO.getType() == MCSectionMachO::S_CSTRING_LITERALS;
}
};
}
TargetAsmBackend *llvm::createX86_32AsmBackend(const Target &T,
const std::string &TT) {
switch (Triple(TT).getOS()) {
case Triple::Darwin:
return new DarwinX86_32AsmBackend(T);
default:
return new X86AsmBackend(T);
}
}
TargetAsmBackend *llvm::createX86_64AsmBackend(const Target &T,
const std::string &TT) {
switch (Triple(TT).getOS()) {
case Triple::Darwin:
return new DarwinX86_64AsmBackend(T);
default:
return new X86AsmBackend(T);
}
}