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//==- AArch64MCExpr.h - AArch64 specific MC expression classes --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes AArch64-specific MCExprs, used for modifiers like
// ":lo12:" or ":gottprel_g1:".
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_AARCH64MCEXPR_H
#define LLVM_AARCH64MCEXPR_H
#include "llvm/MC/MCExpr.h"
namespace llvm {
class AArch64MCExpr : public MCTargetExpr {
public:
enum VariantKind {
VK_AARCH64_None,
VK_AARCH64_GOT, // :got: modifier in assembly
VK_AARCH64_GOT_LO12, // :got_lo12:
VK_AARCH64_LO12, // :lo12:
VK_AARCH64_ABS_G0, // :abs_g0:
VK_AARCH64_ABS_G0_NC, // :abs_g0_nc:
VK_AARCH64_ABS_G1,
VK_AARCH64_ABS_G1_NC,
VK_AARCH64_ABS_G2,
VK_AARCH64_ABS_G2_NC,
VK_AARCH64_ABS_G3,
VK_AARCH64_SABS_G0, // :abs_g0_s:
VK_AARCH64_SABS_G1,
VK_AARCH64_SABS_G2,
VK_AARCH64_DTPREL_G2, // :dtprel_g2:
VK_AARCH64_DTPREL_G1,
VK_AARCH64_DTPREL_G1_NC,
VK_AARCH64_DTPREL_G0,
VK_AARCH64_DTPREL_G0_NC,
VK_AARCH64_DTPREL_HI12,
VK_AARCH64_DTPREL_LO12,
VK_AARCH64_DTPREL_LO12_NC,
VK_AARCH64_GOTTPREL_G1, // :gottprel:
VK_AARCH64_GOTTPREL_G0_NC,
VK_AARCH64_GOTTPREL,
VK_AARCH64_GOTTPREL_LO12,
VK_AARCH64_TPREL_G2, // :tprel:
VK_AARCH64_TPREL_G1,
VK_AARCH64_TPREL_G1_NC,
VK_AARCH64_TPREL_G0,
VK_AARCH64_TPREL_G0_NC,
VK_AARCH64_TPREL_HI12,
VK_AARCH64_TPREL_LO12,
VK_AARCH64_TPREL_LO12_NC,
VK_AARCH64_TLSDESC, // :tlsdesc:
VK_AARCH64_TLSDESC_LO12
};
private:
const VariantKind Kind;
const MCExpr *Expr;
explicit AArch64MCExpr(VariantKind _Kind, const MCExpr *_Expr)
: Kind(_Kind), Expr(_Expr) {}
public:
/// @name Construction
/// @{
static const AArch64MCExpr *Create(VariantKind Kind, const MCExpr *Expr,
MCContext &Ctx);
static const AArch64MCExpr *CreateLo12(const MCExpr *Expr, MCContext &Ctx) {
return Create(VK_AARCH64_LO12, Expr, Ctx);
}
static const AArch64MCExpr *CreateGOT(const MCExpr *Expr, MCContext &Ctx) {
return Create(VK_AARCH64_GOT, Expr, Ctx);
}
static const AArch64MCExpr *CreateGOTLo12(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_GOT_LO12, Expr, Ctx);
}
static const AArch64MCExpr *CreateDTPREL_G1(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_DTPREL_G1, Expr, Ctx);
}
static const AArch64MCExpr *CreateDTPREL_G0_NC(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_DTPREL_G0_NC, Expr, Ctx);
}
static const AArch64MCExpr *CreateGOTTPREL(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_GOTTPREL, Expr, Ctx);
}
static const AArch64MCExpr *CreateGOTTPRELLo12(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_GOTTPREL_LO12, Expr, Ctx);
}
static const AArch64MCExpr *CreateTLSDesc(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_TLSDESC, Expr, Ctx);
}
static const AArch64MCExpr *CreateTLSDescLo12(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_TLSDESC_LO12, Expr, Ctx);
}
static const AArch64MCExpr *CreateTPREL_G1(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_TPREL_G1, Expr, Ctx);
}
static const AArch64MCExpr *CreateTPREL_G0_NC(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_TPREL_G0_NC, Expr, Ctx);
}
static const AArch64MCExpr *CreateABS_G3(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_ABS_G3, Expr, Ctx);
}
static const AArch64MCExpr *CreateABS_G2_NC(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_ABS_G2_NC, Expr, Ctx);
}
static const AArch64MCExpr *CreateABS_G1_NC(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_ABS_G1_NC, Expr, Ctx);
}
static const AArch64MCExpr *CreateABS_G0_NC(const MCExpr *Expr,
MCContext &Ctx) {
return Create(VK_AARCH64_ABS_G0_NC, Expr, Ctx);
}
/// @}
/// @name Accessors
/// @{
/// getOpcode - Get the kind of this expression.
VariantKind getKind() const { return Kind; }
/// getSubExpr - Get the child of this expression.
const MCExpr *getSubExpr() const { return Expr; }
/// @}
void PrintImpl(raw_ostream &OS) const;
bool EvaluateAsRelocatableImpl(MCValue &Res,
const MCAsmLayout *Layout) const;
void AddValueSymbols(MCAssembler *) const;
const MCSection *FindAssociatedSection() const {
return getSubExpr()->FindAssociatedSection();
}
void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const;
static bool classof(const MCExpr *E) {
return E->getKind() == MCExpr::Target;
}
static bool classof(const AArch64MCExpr *) { return true; }
};
} // end namespace llvm
#endif
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