llvm-6502/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h
2014-02-07 04:24:35 +00:00

112 lines
2.8 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_SPARCMCEXPR_H
#define LLVM_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;
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 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