MC/X86: Add stub AsmBackend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96763 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/CMakeLists.txt b/lib/MC/CMakeLists.txt
index 9ead33b..4cf71dc 100644
--- a/lib/MC/CMakeLists.txt
+++ b/lib/MC/CMakeLists.txt
@@ -18,4 +18,5 @@
MCStreamer.cpp
MCSymbol.cpp
MCValue.cpp
+ TargetAsmBackend.cpp
)
diff --git a/lib/Target/X86/CMakeLists.txt b/lib/Target/X86/CMakeLists.txt
index 61f26a7..eed3b45 100644
--- a/lib/Target/X86/CMakeLists.txt
+++ b/lib/Target/X86/CMakeLists.txt
@@ -15,6 +15,7 @@
tablegen(X86GenSubtarget.inc -gen-subtarget)
set(sources
+ X86AsmBackend.cpp
X86CodeEmitter.cpp
X86COFFMachineModuleInfo.cpp
X86ELFWriterInfo.cpp
diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h
index 1a1e447..ba0ee6c 100644
--- a/lib/Target/X86/X86.h
+++ b/lib/Target/X86/X86.h
@@ -19,13 +19,15 @@
namespace llvm {
-class X86TargetMachine;
class FunctionPass;
-class MachineCodeEmitter;
+class JITCodeEmitter;
+class MCAssembler;
class MCCodeEmitter;
class MCContext;
-class JITCodeEmitter;
+class MachineCodeEmitter;
class Target;
+class TargetAsmBackend;
+class X86TargetMachine;
class formatted_raw_ostream;
/// createX86ISelDag - This pass converts a legalized DAG into a
@@ -55,6 +57,9 @@
MCCodeEmitter *createX86_64MCCodeEmitter(const Target &, TargetMachine &TM,
MCContext &Ctx);
+TargetAsmBackend *createX86_32AsmBackend(const Target &, MCAssembler &);
+TargetAsmBackend *createX86_64AsmBackend(const Target &, MCAssembler &);
+
/// createX86EmitCodeToMemory - Returns a pass that converts a register
/// allocated function into raw machine code in a dynamically
/// allocated chunk of memory.
diff --git a/lib/Target/X86/X86AsmBackend.cpp b/lib/Target/X86/X86AsmBackend.cpp
new file mode 100644
index 0000000..e6654ef
--- /dev/null
+++ b/lib/Target/X86/X86AsmBackend.cpp
@@ -0,0 +1,34 @@
+//===-- X86AsmBackend.cpp - X86 Assembler Backend -------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Target/TargetAsmBackend.h"
+#include "X86.h"
+#include "llvm/Target/TargetRegistry.h"
+#include "llvm/Target/TargetAsmBackend.h"
+using namespace llvm;
+
+namespace {
+
+class X86AsmBackend : public TargetAsmBackend {
+public:
+ X86AsmBackend(const Target &T, MCAssembler &A)
+ : TargetAsmBackend(T) {}
+};
+
+}
+
+TargetAsmBackend *llvm::createX86_32AsmBackend(const Target &T,
+ MCAssembler &A) {
+ return new X86AsmBackend(T, A);
+}
+
+TargetAsmBackend *llvm::createX86_64AsmBackend(const Target &T,
+ MCAssembler &A) {
+ return new X86AsmBackend(T, A);
+}
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 7802f98..56ddaf8 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -51,6 +51,12 @@
createX86_32MCCodeEmitter);
TargetRegistry::RegisterCodeEmitter(TheX86_64Target,
createX86_64MCCodeEmitter);
+
+ // Register the asm backend.
+ TargetRegistry::RegisterAsmBackend(TheX86_32Target,
+ createX86_32AsmBackend);
+ TargetRegistry::RegisterAsmBackend(TheX86_64Target,
+ createX86_64AsmBackend);
}