Make MC use Windows COFF on Windows and add tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109494 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86AsmBackend.cpp b/lib/Target/X86/X86AsmBackend.cpp
index 2cf65c1..e572620 100644
--- a/lib/Target/X86/X86AsmBackend.cpp
+++ b/lib/Target/X86/X86AsmBackend.cpp
@@ -14,6 +14,7 @@
#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"
@@ -212,6 +213,24 @@
: ELFX86AsmBackend(T) {}
};
+class WindowsX86AsmBackend : public X86AsmBackend {
+public:
+ WindowsX86AsmBackend(const Target &T)
+ : X86AsmBackend(T) {
+ HasAbsolutizedSet = true;
+ 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 {
public:
DarwinX86AsmBackend(const Target &T)
@@ -290,6 +309,8 @@
switch (Triple(TT).getOS()) {
case Triple::Darwin:
return new DarwinX86_32AsmBackend(T);
+ case Triple::Win32:
+ return new WindowsX86AsmBackend(T);
default:
return new ELFX86_32AsmBackend(T);
}
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 900b516..0552a8e 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -46,6 +46,8 @@
bool RelaxAll) {
Triple TheTriple(TT);
switch (TheTriple.getOS()) {
+ case Triple::Win32:
+ return createWinCOFFStreamer(Ctx, TAB, *_Emitter, _OS);
default:
return createMachOStreamer(Ctx, TAB, _OS, _Emitter, RelaxAll);
}