1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/llvm/lib/MC/MCAsmBackend.cpp b/contrib/llvm/lib/MC/MCAsmBackend.cpp
new file mode 100644
index 0000000..fcf139b
--- /dev/null
+++ b/contrib/llvm/lib/MC/MCAsmBackend.cpp
@@ -0,0 +1,52 @@
+//===-- MCAsmBackend.cpp - Target MC Assembly Backend ----------------------==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/MC/MCFixupKindInfo.h"
+using namespace llvm;
+
+MCAsmBackend::MCAsmBackend() : HasDataInCodeSupport(false) {}
+
+MCAsmBackend::~MCAsmBackend() {}
+
+bool MCAsmBackend::getFixupKind(StringRef Name, MCFixupKind &MappedKind) const {
+  return false;
+}
+
+const MCFixupKindInfo &MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
+  static const MCFixupKindInfo Builtins[] = {
+      {"FK_Data_1", 0, 8, 0},
+      {"FK_Data_2", 0, 16, 0},
+      {"FK_Data_4", 0, 32, 0},
+      {"FK_Data_8", 0, 64, 0},
+      {"FK_PCRel_1", 0, 8, MCFixupKindInfo::FKF_IsPCRel},
+      {"FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel},
+      {"FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
+      {"FK_PCRel_8", 0, 64, MCFixupKindInfo::FKF_IsPCRel},
+      {"FK_GPRel_1", 0, 8, 0},
+      {"FK_GPRel_2", 0, 16, 0},
+      {"FK_GPRel_4", 0, 32, 0},
+      {"FK_GPRel_8", 0, 64, 0},
+      {"FK_SecRel_1", 0, 8, 0},
+      {"FK_SecRel_2", 0, 16, 0},
+      {"FK_SecRel_4", 0, 32, 0},
+      {"FK_SecRel_8", 0, 64, 0}};
+
+  assert((size_t)Kind <= array_lengthof(Builtins) && "Unknown fixup kind");
+  return Builtins[Kind];
+}
+
+bool MCAsmBackend::fixupNeedsRelaxationAdvanced(
+    const MCFixup &Fixup, bool Resolved, uint64_t Value,
+    const MCRelaxableFragment *DF, const MCAsmLayout &Layout) const {
+  if (!Resolved)
+    return true;
+  return fixupNeedsRelaxation(Fixup, Value, DF, Layout);
+}