MCCodeEmitter: Add target independent fixup flag for is-pc-relative.

llvm-svn: 98954

3 files changed, 12 insertions, 20 deletions

diff --git a/llvm/lib/MC/MCAssembler.cpp b/llvm/lib/MC/MCAssembler.cpp
index 4d8cc6a763c..74876a501dc 100644
--- a/llvm/lib/MC/MCAssembler.cpp
+++ b/llvm/lib/MC/MCAssembler.cpp
@@ -10,6 +10,7 @@
 #define DEBUG_TYPE "assembler"
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCAsmLayout.h"
+#include "llvm/MC/MCCodeEmitter.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSymbol.h"
@@ -37,17 +38,6 @@ STATISTIC(EmittedFragments, "Number of emitted assembler fragments");
 // object file, which may truncate it. We should detect that truncation where
 // invalid and report errors back.
 
-static bool isFixupKindPCRel(unsigned Kind) {
-  switch (Kind) {
-  default:
-    return false;
-  case X86::reloc_pcrel_1byte:
-  case X86::reloc_pcrel_4byte:
-  case X86::reloc_riprel_4byte:
-    return true;
-  }
-}
-
 /* *** */
 
 MCFragment::MCFragment() : Kind(FragmentType(~0)) {
@@ -258,7 +248,9 @@ bool MCAssembler::EvaluateFixup(const MCAsmLayout &Layout, MCAsmFixup &Fixup,
 
   Value = Target.getConstant();
 
-  bool IsResolved = true, IsPCRel = isFixupKindPCRel(Fixup.Kind);
+  bool IsPCRel =
+    Emitter.getFixupKindInfo(Fixup.Kind).Flags & MCFixupKindInfo::FKF_IsPCRel;
+  bool IsResolved = true;
   if (const MCSymbolRefExpr *A = Target.getSymA()) {
     if (A->getSymbol().isDefined())
       Value += getSymbolData(A->getSymbol()).getAddress();
diff --git a/llvm/lib/MC/MCCodeEmitter.cpp b/llvm/lib/MC/MCCodeEmitter.cpp
index accb06c8af5..d5132378554 100644
--- a/llvm/lib/MC/MCCodeEmitter.cpp
+++ b/llvm/lib/MC/MCCodeEmitter.cpp
@@ -19,10 +19,10 @@ MCCodeEmitter::~MCCodeEmitter() {
 
 const MCFixupKindInfo &MCCodeEmitter::getFixupKindInfo(MCFixupKind Kind) const {
   static const MCFixupKindInfo Builtins[] = {
-    { "FK_Data_1", 0, 8 },
-    { "FK_Data_2", 0, 16 },
-    { "FK_Data_4", 0, 32 },
-    { "FK_Data_8", 0, 64 }
+    { "FK_Data_1", 0, 8, 0 },
+    { "FK_Data_2", 0, 16, 0 },
+    { "FK_Data_4", 0, 32, 0 },
+    { "FK_Data_8", 0, 64, 0 }
   };
   
   assert(Kind <= 3 && "Unknown fixup kind");
diff --git a/llvm/lib/Target/X86/X86MCCodeEmitter.cpp b/llvm/lib/Target/X86/X86MCCodeEmitter.cpp
index 5afbe704e4f..a9681e6670f 100644
--- a/llvm/lib/Target/X86/X86MCCodeEmitter.cpp
+++ b/llvm/lib/Target/X86/X86MCCodeEmitter.cpp
@@ -43,10 +43,10 @@ public:
 
   const MCFixupKindInfo &getFixupKindInfo(MCFixupKind Kind) const {
     const static MCFixupKindInfo Infos[] = {
-      { "reloc_pcrel_4byte", 0, 4 * 8 },
-      { "reloc_pcrel_1byte", 0, 1 * 8 },
-      { "reloc_riprel_4byte", 0, 4 * 8 },
-      { "reloc_riprel_4byte_movq_load", 0, 4 * 8 }
+      { "reloc_pcrel_4byte", 0, 4 * 8, MCFixupKindInfo::FKF_IsPCRel },
+      { "reloc_pcrel_1byte", 0, 1 * 8, MCFixupKindInfo::FKF_IsPCRel },
+      { "reloc_riprel_4byte", 0, 4 * 8, MCFixupKindInfo::FKF_IsPCRel },
+      { "reloc_riprel_4byte_movq_load", 0, 4 * 8, MCFixupKindInfo::FKF_IsPCRel }
     };
     
     if (Kind < FirstTargetFixupKind)