MC: Move target specific fixup info descriptors to TargetAsmBackend instead of

the MCCodeEmitter, which seems like a better organization.
 - Also, cleaned up some magic constants while in the area.

llvm-svn: 121953

1 files changed, 17 insertions, 0 deletions

diff --git a/llvm/lib/MC/TargetAsmBackend.cpp b/llvm/lib/MC/TargetAsmBackend.cpp
index 7ad215b9bf1..156bf19b436 100644
--- a/llvm/lib/MC/TargetAsmBackend.cpp
+++ b/llvm/lib/MC/TargetAsmBackend.cpp
@@ -18,3 +18,20 @@ TargetAsmBackend::TargetAsmBackend()
 
 TargetAsmBackend::~TargetAsmBackend() {
 }
+
+const MCFixupKindInfo &
+TargetAsmBackend::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 }
+  };
+  
+  assert(Kind <= sizeof(Builtins) / sizeof(Builtins[0]) &&
+         "Unknown fixup kind");
+  return Builtins[Kind];
+}