172062f5744557e270a38192554c3126ea5f97434Tim Northover//==- AArch64MCExpr.h - AArch64 specific MC expression classes --*- C++ -*-===// 272062f5744557e270a38192554c3126ea5f97434Tim Northover// 372062f5744557e270a38192554c3126ea5f97434Tim Northover// The LLVM Compiler Infrastructure 472062f5744557e270a38192554c3126ea5f97434Tim Northover// 572062f5744557e270a38192554c3126ea5f97434Tim Northover// This file is distributed under the University of Illinois Open Source 672062f5744557e270a38192554c3126ea5f97434Tim Northover// License. See LICENSE.TXT for details. 772062f5744557e270a38192554c3126ea5f97434Tim Northover// 872062f5744557e270a38192554c3126ea5f97434Tim Northover//===----------------------------------------------------------------------===// 95bd6cb2dabf3fea9cb9fa0b275fbc7ceb85ba970Tim Northover// 105bd6cb2dabf3fea9cb9fa0b275fbc7ceb85ba970Tim Northover// This file describes AArch64-specific MCExprs, used for modifiers like 115bd6cb2dabf3fea9cb9fa0b275fbc7ceb85ba970Tim Northover// ":lo12:" or ":gottprel_g1:". 125bd6cb2dabf3fea9cb9fa0b275fbc7ceb85ba970Tim Northover// 135bd6cb2dabf3fea9cb9fa0b275fbc7ceb85ba970Tim Northover//===----------------------------------------------------------------------===// 1472062f5744557e270a38192554c3126ea5f97434Tim Northover 1572062f5744557e270a38192554c3126ea5f97434Tim Northover#ifndef LLVM_AARCH64MCEXPR_H 1672062f5744557e270a38192554c3126ea5f97434Tim Northover#define LLVM_AARCH64MCEXPR_H 1772062f5744557e270a38192554c3126ea5f97434Tim Northover 1872062f5744557e270a38192554c3126ea5f97434Tim Northover#include "llvm/MC/MCExpr.h" 1972062f5744557e270a38192554c3126ea5f97434Tim Northover 2072062f5744557e270a38192554c3126ea5f97434Tim Northovernamespace llvm { 2172062f5744557e270a38192554c3126ea5f97434Tim Northover 2272062f5744557e270a38192554c3126ea5f97434Tim Northoverclass AArch64MCExpr : public MCTargetExpr { 2372062f5744557e270a38192554c3126ea5f97434Tim Northoverpublic: 2472062f5744557e270a38192554c3126ea5f97434Tim Northover enum VariantKind { 2572062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_None, 2672062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_GOT, // :got: modifier in assembly 2772062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_GOT_LO12, // :got_lo12: 2872062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_LO12, // :lo12: 2972062f5744557e270a38192554c3126ea5f97434Tim Northover 3072062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_ABS_G0, // :abs_g0: 3172062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_ABS_G0_NC, // :abs_g0_nc: 3272062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_ABS_G1, 3372062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_ABS_G1_NC, 3472062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_ABS_G2, 3572062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_ABS_G2_NC, 3672062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_ABS_G3, 3772062f5744557e270a38192554c3126ea5f97434Tim Northover 3872062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_SABS_G0, // :abs_g0_s: 3972062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_SABS_G1, 4072062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_SABS_G2, 4172062f5744557e270a38192554c3126ea5f97434Tim Northover 4272062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_DTPREL_G2, // :dtprel_g2: 4372062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_DTPREL_G1, 4472062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_DTPREL_G1_NC, 4572062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_DTPREL_G0, 4672062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_DTPREL_G0_NC, 4772062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_DTPREL_HI12, 4872062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_DTPREL_LO12, 4972062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_DTPREL_LO12_NC, 5072062f5744557e270a38192554c3126ea5f97434Tim Northover 5172062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_GOTTPREL_G1, // :gottprel: 5272062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_GOTTPREL_G0_NC, 5372062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_GOTTPREL, 5472062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_GOTTPREL_LO12, 5572062f5744557e270a38192554c3126ea5f97434Tim Northover 5672062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TPREL_G2, // :tprel: 5772062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TPREL_G1, 5872062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TPREL_G1_NC, 5972062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TPREL_G0, 6072062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TPREL_G0_NC, 6172062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TPREL_HI12, 6272062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TPREL_LO12, 6372062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TPREL_LO12_NC, 6472062f5744557e270a38192554c3126ea5f97434Tim Northover 6572062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TLSDESC, // :tlsdesc: 6672062f5744557e270a38192554c3126ea5f97434Tim Northover VK_AARCH64_TLSDESC_LO12 6772062f5744557e270a38192554c3126ea5f97434Tim Northover }; 6872062f5744557e270a38192554c3126ea5f97434Tim Northover 6972062f5744557e270a38192554c3126ea5f97434Tim Northoverprivate: 7072062f5744557e270a38192554c3126ea5f97434Tim Northover const VariantKind Kind; 7172062f5744557e270a38192554c3126ea5f97434Tim Northover const MCExpr *Expr; 7272062f5744557e270a38192554c3126ea5f97434Tim Northover 7372062f5744557e270a38192554c3126ea5f97434Tim Northover explicit AArch64MCExpr(VariantKind _Kind, const MCExpr *_Expr) 7472062f5744557e270a38192554c3126ea5f97434Tim Northover : Kind(_Kind), Expr(_Expr) {} 7572062f5744557e270a38192554c3126ea5f97434Tim Northover 7672062f5744557e270a38192554c3126ea5f97434Tim Northoverpublic: 7772062f5744557e270a38192554c3126ea5f97434Tim Northover /// @name Construction 7872062f5744557e270a38192554c3126ea5f97434Tim Northover /// @{ 7972062f5744557e270a38192554c3126ea5f97434Tim Northover 8072062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *Create(VariantKind Kind, const MCExpr *Expr, 8172062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx); 8272062f5744557e270a38192554c3126ea5f97434Tim Northover 8372062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateLo12(const MCExpr *Expr, MCContext &Ctx) { 8472062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_LO12, Expr, Ctx); 8572062f5744557e270a38192554c3126ea5f97434Tim Northover } 8672062f5744557e270a38192554c3126ea5f97434Tim Northover 8772062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateGOT(const MCExpr *Expr, MCContext &Ctx) { 8872062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_GOT, Expr, Ctx); 8972062f5744557e270a38192554c3126ea5f97434Tim Northover } 9072062f5744557e270a38192554c3126ea5f97434Tim Northover 91dfe076af9879eb68a7b8331f9c02eecf563d85beTim Northover static const AArch64MCExpr *CreateGOTLo12(const MCExpr *Expr, 92dfe076af9879eb68a7b8331f9c02eecf563d85beTim Northover MCContext &Ctx) { 9372062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_GOT_LO12, Expr, Ctx); 9472062f5744557e270a38192554c3126ea5f97434Tim Northover } 9572062f5744557e270a38192554c3126ea5f97434Tim Northover 9672062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateDTPREL_G1(const MCExpr *Expr, 9772062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx) { 9872062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_DTPREL_G1, Expr, Ctx); 9972062f5744557e270a38192554c3126ea5f97434Tim Northover } 10072062f5744557e270a38192554c3126ea5f97434Tim Northover 10172062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateDTPREL_G0_NC(const MCExpr *Expr, 10272062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx) { 10372062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_DTPREL_G0_NC, Expr, Ctx); 10472062f5744557e270a38192554c3126ea5f97434Tim Northover } 10572062f5744557e270a38192554c3126ea5f97434Tim Northover 10672062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateGOTTPREL(const MCExpr *Expr, 10772062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx) { 10872062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_GOTTPREL, Expr, Ctx); 10972062f5744557e270a38192554c3126ea5f97434Tim Northover } 11072062f5744557e270a38192554c3126ea5f97434Tim Northover 11172062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateGOTTPRELLo12(const MCExpr *Expr, 11272062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx) { 11372062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_GOTTPREL_LO12, Expr, Ctx); 11472062f5744557e270a38192554c3126ea5f97434Tim Northover } 11572062f5744557e270a38192554c3126ea5f97434Tim Northover 11672062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateTLSDesc(const MCExpr *Expr, 11772062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx) { 11872062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_TLSDESC, Expr, Ctx); 11972062f5744557e270a38192554c3126ea5f97434Tim Northover } 12072062f5744557e270a38192554c3126ea5f97434Tim Northover 12172062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateTLSDescLo12(const MCExpr *Expr, 12272062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx) { 12372062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_TLSDESC_LO12, Expr, Ctx); 12472062f5744557e270a38192554c3126ea5f97434Tim Northover } 12572062f5744557e270a38192554c3126ea5f97434Tim Northover 12672062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateTPREL_G1(const MCExpr *Expr, 12772062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx) { 12872062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_TPREL_G1, Expr, Ctx); 12972062f5744557e270a38192554c3126ea5f97434Tim Northover } 13072062f5744557e270a38192554c3126ea5f97434Tim Northover 13172062f5744557e270a38192554c3126ea5f97434Tim Northover static const AArch64MCExpr *CreateTPREL_G0_NC(const MCExpr *Expr, 13272062f5744557e270a38192554c3126ea5f97434Tim Northover MCContext &Ctx) { 13372062f5744557e270a38192554c3126ea5f97434Tim Northover return Create(VK_AARCH64_TPREL_G0_NC, Expr, Ctx); 13472062f5744557e270a38192554c3126ea5f97434Tim Northover } 13572062f5744557e270a38192554c3126ea5f97434Tim Northover 13672062f5744557e270a38192554c3126ea5f97434Tim Northover /// @} 13772062f5744557e270a38192554c3126ea5f97434Tim Northover /// @name Accessors 13872062f5744557e270a38192554c3126ea5f97434Tim Northover /// @{ 13972062f5744557e270a38192554c3126ea5f97434Tim Northover 14072062f5744557e270a38192554c3126ea5f97434Tim Northover /// getOpcode - Get the kind of this expression. 14172062f5744557e270a38192554c3126ea5f97434Tim Northover VariantKind getKind() const { return Kind; } 14272062f5744557e270a38192554c3126ea5f97434Tim Northover 14372062f5744557e270a38192554c3126ea5f97434Tim Northover /// getSubExpr - Get the child of this expression. 14472062f5744557e270a38192554c3126ea5f97434Tim Northover const MCExpr *getSubExpr() const { return Expr; } 14572062f5744557e270a38192554c3126ea5f97434Tim Northover 14672062f5744557e270a38192554c3126ea5f97434Tim Northover /// @} 14772062f5744557e270a38192554c3126ea5f97434Tim Northover 14872062f5744557e270a38192554c3126ea5f97434Tim Northover void PrintImpl(raw_ostream &OS) const; 14972062f5744557e270a38192554c3126ea5f97434Tim Northover bool EvaluateAsRelocatableImpl(MCValue &Res, 15072062f5744557e270a38192554c3126ea5f97434Tim Northover const MCAsmLayout *Layout) const; 15172062f5744557e270a38192554c3126ea5f97434Tim Northover void AddValueSymbols(MCAssembler *) const; 15272062f5744557e270a38192554c3126ea5f97434Tim Northover const MCSection *FindAssociatedSection() const { 15372062f5744557e270a38192554c3126ea5f97434Tim Northover return getSubExpr()->FindAssociatedSection(); 15472062f5744557e270a38192554c3126ea5f97434Tim Northover } 15572062f5744557e270a38192554c3126ea5f97434Tim Northover 15672062f5744557e270a38192554c3126ea5f97434Tim Northover void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const; 15772062f5744557e270a38192554c3126ea5f97434Tim Northover 15872062f5744557e270a38192554c3126ea5f97434Tim Northover static bool classof(const MCExpr *E) { 15972062f5744557e270a38192554c3126ea5f97434Tim Northover return E->getKind() == MCExpr::Target; 16072062f5744557e270a38192554c3126ea5f97434Tim Northover } 16172062f5744557e270a38192554c3126ea5f97434Tim Northover 16272062f5744557e270a38192554c3126ea5f97434Tim Northover static bool classof(const AArch64MCExpr *) { return true; } 16372062f5744557e270a38192554c3126ea5f97434Tim Northover 16472062f5744557e270a38192554c3126ea5f97434Tim Northover}; 16572062f5744557e270a38192554c3126ea5f97434Tim Northover} // end namespace llvm 16672062f5744557e270a38192554c3126ea5f97434Tim Northover 16772062f5744557e270a38192554c3126ea5f97434Tim Northover#endif 168