Add MCELFObjectTargetWriter and MCAsmBackend classes.
Patch by Reed Kotler at Mips Technologies.
llvm-svn: 140885
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
new file mode 100644
index 0000000..f84fdb6
--- /dev/null
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -0,0 +1,71 @@
+#include "MCTargetDesc/MipsMCTargetDesc.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/MC/MCAssembler.h"
+#include "llvm/MC/MCDirectives.h"
+#include "llvm/MC/MCELFObjectWriter.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCMachObjectWriter.h"
+#include "llvm/MC/MCObjectWriter.h"
+#include "llvm/MC/MCSectionELF.h"
+#include "llvm/MC/MCSectionMachO.h"
+#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Object/MachOFormat.h"
+#include "llvm/Support/ELF.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace llvm;
+
+namespace {
+class MipsELFObjectWriter : public MCELFObjectTargetWriter {
+public:
+ MipsELFObjectWriter(bool is64Bit, Triple::OSType OSType, uint16_t EMachine,
+ bool HasRelocationAddend)
+ : MCELFObjectTargetWriter(is64Bit, OSType, EMachine,
+ HasRelocationAddend) {}
+};
+
+class MipsAsmBackend : public MCAsmBackend {
+public:
+ MipsAsmBackend(const Target &T)
+ : MCAsmBackend() {}
+
+ unsigned getNumFixupKinds() const {
+ return 1; //tbd
+ }
+};
+
+class MipsEB_AsmBackend : public MipsAsmBackend {
+public:
+ Triple::OSType OSType;
+
+ MipsEB_AsmBackend(const Target &T, Triple::OSType _OSType)
+ : MipsAsmBackend(T), OSType(_OSType) {}
+
+ MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
+ return createELFObjectWriter(createELFObjectTargetWriter(),
+ OS, /*IsLittleEndian*/ false);
+ }
+
+ MCELFObjectTargetWriter *createELFObjectTargetWriter() const {
+ return new MipsELFObjectWriter(false, OSType, ELF::EM_MIPS, false);
+ }
+};
+
+class MipsEL_AsmBackend : public MipsAsmBackend {
+public:
+ Triple::OSType OSType;
+
+ MipsEL_AsmBackend(const Target &T, Triple::OSType _OSType)
+ : MipsAsmBackend(T), OSType(_OSType) {}
+
+ MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
+ return createELFObjectWriter(createELFObjectTargetWriter(),
+ OS, /*IsLittleEndian*/ true);
+ }
+
+ MCELFObjectTargetWriter *createELFObjectTargetWriter() const {
+ return new MipsELFObjectWriter(false, OSType, ELF::EM_MIPS, false);
+ }
+};
+}