lib/Target/Mips/MipsMCSymbolRefExpr.cpp

   1 //===-- MipsMCSymbolRefExpr.cpp - Mips specific MC expression classes -----===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #define DEBUG_TYPE "mipsmcsymbolrefexpr"
  11 #include "MipsMCSymbolRefExpr.h"
  12 #include "llvm/MC/MCAssembler.h"
  13 #include "llvm/MC/MCContext.h"
  14 #include "llvm/MC/MCSymbol.h"
  15 using namespace llvm;
  16
  17 const MipsMCSymbolRefExpr*
  18 MipsMCSymbolRefExpr::Create(VariantKind Kind, const MCSymbol *Symbol,
  19                             int Offset, MCContext &Ctx) {
  20   return new (Ctx) MipsMCSymbolRefExpr(Kind, Symbol, Offset);
  21 }
  22
  23 void MipsMCSymbolRefExpr::PrintImpl(raw_ostream &OS) const {
  24   switch (Kind) {
  25   default: assert(0 && "Invalid kind!");
  26   case VK_Mips_None:     break;
  27   case VK_Mips_GPREL:    OS << "%gp_rel("; break;
  28   case VK_Mips_GOT_CALL: OS << "%call16("; break;
  29   case VK_Mips_GOT:      OS << "%got(";    break;
  30   case VK_Mips_ABS_HI:   OS << "%hi(";     break;
  31   case VK_Mips_ABS_LO:   OS << "%lo(";     break;
  32   case VK_Mips_TLSGD:    OS << "%tlsgd(";  break;
  33   case VK_Mips_GOTTPREL: OS << "%gottprel("; break;
  34   case VK_Mips_TPREL_HI: OS << "%tprel_hi("; break;
  35   case VK_Mips_TPREL_LO: OS << "%tprel_lo("; break;
  36   }
  37
  38   OS << *Symbol;
  39
  40   if (Offset) {
  41     if (Offset > 0)
  42       OS << '+';
  43     OS << Offset;
  44   }
  45
  46   if (Kind != VK_Mips_None)
  47     OS << ')';
  48 }
  49
  50 bool
  51 MipsMCSymbolRefExpr::EvaluateAsRelocatableImpl(MCValue &Res,
  52                                               const MCAsmLayout *Layout) const {
  53   return false;
  54 }
  55
  56 void MipsMCSymbolRefExpr::AddValueSymbols(MCAssembler *Asm) const {
  57   Asm->getOrCreateSymbolData(*Symbol);
  58 }
  59
  60 const MCSection *MipsMCSymbolRefExpr::FindAssociatedSection() const {
  61   return Symbol->isDefined() ? &Symbol->getSection() : NULL;
  62 }
  63