1 //====- SparcMCExpr.h - Sparc specific MC expression classes --*- C++ -*-=====// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file describes Sparc-specific MCExprs, used for modifiers like 10 // "%hi" or "%lo" etc., 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_SPARC_MCTARGETDESC_SPARCMCEXPR_H 15 #define LLVM_LIB_TARGET_SPARC_MCTARGETDESC_SPARCMCEXPR_H 16 17 #include "SparcFixupKinds.h" 18 #include "llvm/MC/MCExpr.h" 19 20 namespace llvm { 21 22 class StringRef; 23 class SparcMCExpr : public MCTargetExpr { 24 public: 25 enum VariantKind { 26 VK_Sparc_None, 27 VK_Sparc_LO, 28 VK_Sparc_HI, 29 VK_Sparc_H44, 30 VK_Sparc_M44, 31 VK_Sparc_L44, 32 VK_Sparc_HH, 33 VK_Sparc_HM, 34 VK_Sparc_PC22, 35 VK_Sparc_PC10, 36 VK_Sparc_GOT22, 37 VK_Sparc_GOT10, 38 VK_Sparc_GOT13, 39 VK_Sparc_13, 40 VK_Sparc_WPLT30, 41 VK_Sparc_WDISP30, 42 VK_Sparc_R_DISP32, 43 VK_Sparc_TLS_GD_HI22, 44 VK_Sparc_TLS_GD_LO10, 45 VK_Sparc_TLS_GD_ADD, 46 VK_Sparc_TLS_GD_CALL, 47 VK_Sparc_TLS_LDM_HI22, 48 VK_Sparc_TLS_LDM_LO10, 49 VK_Sparc_TLS_LDM_ADD, 50 VK_Sparc_TLS_LDM_CALL, 51 VK_Sparc_TLS_LDO_HIX22, 52 VK_Sparc_TLS_LDO_LOX10, 53 VK_Sparc_TLS_LDO_ADD, 54 VK_Sparc_TLS_IE_HI22, 55 VK_Sparc_TLS_IE_LO10, 56 VK_Sparc_TLS_IE_LD, 57 VK_Sparc_TLS_IE_LDX, 58 VK_Sparc_TLS_IE_ADD, 59 VK_Sparc_TLS_LE_HIX22, 60 VK_Sparc_TLS_LE_LOX10 61 }; 62 63 private: 64 const VariantKind Kind; 65 const MCExpr *Expr; 66 67 explicit SparcMCExpr(VariantKind Kind, const MCExpr *Expr) 68 : Kind(Kind), Expr(Expr) {} 69 70 public: 71 /// @name Construction 72 /// @{ 73 74 static const SparcMCExpr *create(VariantKind Kind, const MCExpr *Expr, 75 MCContext &Ctx); 76 /// @} 77 /// @name Accessors 78 /// @{ 79 80 /// getOpcode - Get the kind of this expression. 81 VariantKind getKind() const { return Kind; } 82 83 /// getSubExpr - Get the child of this expression. 84 const MCExpr *getSubExpr() const { return Expr; } 85 86 /// getFixupKind - Get the fixup kind of this expression. 87 Sparc::Fixups getFixupKind() const { return getFixupKind(Kind); } 88 89 /// @} 90 void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override; 91 bool evaluateAsRelocatableImpl(MCValue &Res, 92 const MCAsmLayout *Layout, 93 const MCFixup *Fixup) const override; 94 void visitUsedExpr(MCStreamer &Streamer) const override; 95 MCFragment *findAssociatedFragment() const override { 96 return getSubExpr()->findAssociatedFragment(); 97 } 98 99 void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override; 100 101 static bool classof(const MCExpr *E) { 102 return E->getKind() == MCExpr::Target; 103 } 104 105 static bool classof(const SparcMCExpr *) { return true; } 106 107 static VariantKind parseVariantKind(StringRef name); 108 static bool printVariantKind(raw_ostream &OS, VariantKind Kind); 109 static Sparc::Fixups getFixupKind(VariantKind Kind); 110 }; 111 112 } // end namespace llvm. 113 114 #endif 115