[ELF] - Renamed few more AArch64 specific relocation expressions. NFC.

They are AArch64 only, so have to have AARCH64_* prefix.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@346963 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/ELF/Arch/AArch64.cpp b/ELF/Arch/AArch64.cpp
index 85fcc0b..08ffe2a 100644
--- a/ELF/Arch/AArch64.cpp
+++ b/ELF/Arch/AArch64.cpp
@@ -79,7 +79,7 @@
                             const uint8_t *Loc) const {
   switch (Type) {
   case R_AARCH64_TLSDESC_ADR_PAGE21:
-    return R_TLSDESC_PAGE;
+    return R_AARCH64_TLSDESC_PAGE;
   case R_AARCH64_TLSDESC_LD64_LO12:
   case R_AARCH64_TLSDESC_ADD_LO12:
     return R_TLSDESC;
@@ -105,7 +105,7 @@
   case R_AARCH64_LD_PREL_LO19:
     return R_PC;
   case R_AARCH64_ADR_PREL_PG_HI21:
-    return R_PAGE_PC;
+    return R_AARCH64_PAGE_PC;
   case R_AARCH64_LD64_GOT_LO12_NC:
   case R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
     return R_GOT;
diff --git a/ELF/InputSection.cpp b/ELF/InputSection.cpp
index b337f37..749f5fd 100644
--- a/ELF/InputSection.cpp
+++ b/ELF/InputSection.cpp
@@ -668,11 +668,11 @@
   case R_MIPS_TLSLD:
     return In.MipsGot->getVA() + In.MipsGot->getTlsIndexOffset(File) -
            In.MipsGot->getGp(File);
-  case R_PAGE_PC: {
+  case R_AARCH64_PAGE_PC: {
     uint64_t Val = Sym.isUndefWeak() ? A : Sym.getVA(A);
     return getAArch64Page(Val) - getAArch64Page(P);
   }
-  case R_PLT_PAGE_PC: {
+  case R_AARCH64_PLT_PAGE_PC: {
     uint64_t Val = Sym.isUndefWeak() ? A : Sym.getPltVA() + A;
     return getAArch64Page(Val) - getAArch64Page(P);
   }
@@ -743,7 +743,7 @@
     return Sym.getSize() + A;
   case R_TLSDESC:
     return In.Got->getGlobalDynAddr(Sym) + A;
-  case R_TLSDESC_PAGE:
+  case R_AARCH64_TLSDESC_PAGE:
     return getAArch64Page(In.Got->getGlobalDynAddr(Sym) + A) -
            getAArch64Page(P);
   case R_TLSGD_GOT:
diff --git a/ELF/Relocations.cpp b/ELF/Relocations.cpp
index b4ed71f..c1ef385 100644
--- a/ELF/Relocations.cpp
+++ b/ELF/Relocations.cpp
@@ -174,7 +174,7 @@
   if (Config->EMachine == EM_MIPS)
     return handleMipsTlsRelocation(Type, Sym, C, Offset, Addend, Expr);
 
-  if (isRelExprOneOf<R_TLSDESC, R_TLSDESC_PAGE, R_TLSDESC_CALL>(Expr) &&
+  if (isRelExprOneOf<R_TLSDESC, R_AARCH64_TLSDESC_PAGE, R_TLSDESC_CALL>(Expr) &&
       Config->Shared) {
     if (In.Got->addDynTlsEntry(Sym)) {
       uint64_t Off = In.Got->getGlobalDynOffset(Sym);
@@ -230,8 +230,8 @@
     return 1;
   }
 
-  if (isRelExprOneOf<R_TLSDESC, R_TLSDESC_PAGE, R_TLSDESC_CALL, R_TLSGD_GOT,
-                     R_TLSGD_GOT_FROM_END, R_TLSGD_PC>(Expr)) {
+  if (isRelExprOneOf<R_TLSDESC, R_AARCH64_TLSDESC_PAGE, R_TLSDESC_CALL,
+                     R_TLSGD_GOT, R_TLSGD_GOT_FROM_END, R_TLSGD_PC>(Expr)) {
     if (Config->Shared) {
       if (In.Got->addDynTlsEntry(Sym)) {
         uint64_t Off = In.Got->getGlobalDynOffset(Sym);
@@ -324,7 +324,8 @@
 
 // Returns true if Expr refers a PLT entry.
 static bool needsPlt(RelExpr Expr) {
-  return isRelExprOneOf<R_PLT_PC, R_PPC_CALL_PLT, R_PLT, R_PLT_PAGE_PC>(Expr);
+  return isRelExprOneOf<R_PLT_PC, R_PPC_CALL_PLT, R_PLT, R_AARCH64_PLT_PAGE_PC>(
+      Expr);
 }
 
 // Returns true if Expr refers a GOT entry. Note that this function
@@ -340,7 +341,7 @@
 // file (PC, or GOT for example).
 static bool isRelExpr(RelExpr Expr) {
   return isRelExprOneOf<R_PC, R_GOTREL, R_GOTREL_FROM_END, R_MIPS_GOTREL,
-                        R_PPC_CALL, R_PPC_CALL_PLT, R_PAGE_PC,
+                        R_PPC_CALL, R_PPC_CALL_PLT, R_AARCH64_PAGE_PC,
                         R_RELAX_GOT_PC>(Expr);
 }
 
@@ -362,8 +363,8 @@
                      R_AARCH64_GOT_PAGE_PC, R_GOT_PC, R_GOTONLY_PC,
                      R_GOTONLY_PC_FROM_END, R_PLT_PC, R_TLSGD_GOT,
                      R_TLSGD_GOT_FROM_END, R_TLSGD_PC, R_PPC_CALL_PLT,
-                     R_TLSDESC_CALL, R_TLSDESC_PAGE, R_HINT, R_TLSLD_HINT,
-                     R_TLSIE_HINT>(E))
+                     R_TLSDESC_CALL, R_AARCH64_TLSDESC_PAGE, R_HINT,
+                     R_TLSLD_HINT, R_TLSIE_HINT>(E))
     return true;
 
   // These never do, except if the entire file is position dependent or if
@@ -414,8 +415,8 @@
     return R_PPC_CALL_PLT;
   case R_PC:
     return R_PLT_PC;
-  case R_PAGE_PC:
-    return R_PLT_PAGE_PC;
+  case R_AARCH64_PAGE_PC:
+    return R_AARCH64_PLT_PAGE_PC;
   case R_ABS:
     return R_PLT;
   default:
diff --git a/ELF/Relocations.h b/ELF/Relocations.h
index 10c624d..a4e9024 100644
--- a/ELF/Relocations.h
+++ b/ELF/Relocations.h
@@ -35,6 +35,9 @@
   R_ADDEND,
   R_AARCH64_GOT_PAGE_PC,
   R_AARCH64_RELAX_TLS_GD_TO_IE_PAGE_PC,
+  R_AARCH64_PAGE_PC,
+  R_AARCH64_PLT_PAGE_PC,
+  R_AARCH64_TLSDESC_PAGE,
   R_ARM_SBREL,
   R_GOT,
   R_GOTONLY_PC,
@@ -56,10 +59,8 @@
   R_MIPS_TLSLD,
   R_NEG_TLS,
   R_NONE,
-  R_PAGE_PC,
   R_PC,
   R_PLT,
-  R_PLT_PAGE_PC,
   R_PLT_PC,
   R_PPC_CALL,
   R_PPC_CALL_PLT,
@@ -80,7 +81,6 @@
   R_TLS,
   R_TLSDESC,
   R_TLSDESC_CALL,
-  R_TLSDESC_PAGE,
   R_TLSGD_GOT,
   R_TLSGD_GOT_FROM_END,
   R_TLSGD_PC,