MC: Add TargetAsmBackend::createObjectWriter.
- MCAssembler is now object-file independent, although we will surely need more work to fully support ELF/COFF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98955 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86AsmBackend.cpp b/lib/Target/X86/X86AsmBackend.cpp
index 1d66b84..754a200 100644
--- a/lib/Target/X86/X86AsmBackend.cpp
+++ b/lib/Target/X86/X86AsmBackend.cpp
@@ -13,6 +13,7 @@
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCSectionMachO.h"
+#include "llvm/MC/MachObjectWriter.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Target/TargetAsmBackend.h"
using namespace llvm;
@@ -57,6 +58,10 @@
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;;
@@ -82,6 +87,10 @@
public:
DarwinX86_32AsmBackend(const Target &T)
: DarwinX86AsmBackend(T) {}
+
+ MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
+ return new MachObjectWriter(OS, /*Is64Bit=*/false);
+ }
};
class DarwinX86_64AsmBackend : public DarwinX86AsmBackend {
@@ -91,6 +100,10 @@
HasReliableSymbolDifference = true;
}
+ MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
+ return new MachObjectWriter(OS, /*Is64Bit=*/true);
+ }
+
virtual bool doesSectionRequireSymbols(const MCSection &Section) const {
// Temporary labels in the string literals sections require symbols. The
// issue is that the x86_64 relocation format does not allow symbol +