llvm-project/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h

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3.0 KiB
C++

//====- SparcMCExpr.h - Sparc 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 Sparc-specific MCExprs, used for modifiers like
// "%hi" or "%lo" etc.,
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_SPARC_MCTARGETDESC_SPARCMCEXPR_H
#define LLVM_LIB_TARGET_SPARC_MCTARGETDESC_SPARCMCEXPR_H
#include "SparcFixupKinds.h"
#include "llvm/MC/MCExpr.h"
namespace llvm {
class StringRef;
class SparcMCExpr : public MCTargetExpr {
public:
enum VariantKind {
VK_Sparc_None,
VK_Sparc_LO,
VK_Sparc_HI,
VK_Sparc_H44,
VK_Sparc_M44,
VK_Sparc_L44,
VK_Sparc_HH,
VK_Sparc_HM,
VK_Sparc_PC22,
VK_Sparc_PC10,
VK_Sparc_GOT22,
VK_Sparc_GOT10,
VK_Sparc_WPLT30,
VK_Sparc_R_DISP32,
VK_Sparc_TLS_GD_HI22,
VK_Sparc_TLS_GD_LO10,
VK_Sparc_TLS_GD_ADD,
VK_Sparc_TLS_GD_CALL,
VK_Sparc_TLS_LDM_HI22,
VK_Sparc_TLS_LDM_LO10,
VK_Sparc_TLS_LDM_ADD,
VK_Sparc_TLS_LDM_CALL,
VK_Sparc_TLS_LDO_HIX22,
VK_Sparc_TLS_LDO_LOX10,
VK_Sparc_TLS_LDO_ADD,
VK_Sparc_TLS_IE_HI22,
VK_Sparc_TLS_IE_LO10,
VK_Sparc_TLS_IE_LD,
VK_Sparc_TLS_IE_LDX,
VK_Sparc_TLS_IE_ADD,
VK_Sparc_TLS_LE_HIX22,
VK_Sparc_TLS_LE_LOX10
};
private:
const VariantKind Kind;
const MCExpr *Expr;
explicit SparcMCExpr(VariantKind Kind, const MCExpr *Expr)
: Kind(Kind), Expr(Expr) {}
public:
/// @name Construction
/// @{
static const SparcMCExpr *create(VariantKind Kind, const MCExpr *Expr,
MCContext &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; }
/// getFixupKind - Get the fixup kind of this expression.
Sparc::Fixups getFixupKind() const { return getFixupKind(Kind); }
/// @}
void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
bool evaluateAsRelocatableImpl(MCValue &Res,
const MCAsmLayout *Layout,
const MCFixup *Fixup) const override;
void visitUsedExpr(MCStreamer &Streamer) const override;
MCFragment *findAssociatedFragment() const override {
return getSubExpr()->findAssociatedFragment();
}
void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
static bool classof(const MCExpr *E) {
return E->getKind() == MCExpr::Target;
}
static bool classof(const SparcMCExpr *) { return true; }
static VariantKind parseVariantKind(StringRef name);
static bool printVariantKind(raw_ostream &OS, VariantKind Kind);
static Sparc::Fixups getFixupKind(VariantKind Kind);
};
} // end namespace llvm.
#endif