forked from OSchip/llvm-project
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
//===-- PPCMCExpr.h - PPC 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef PPCMCEXPR_H
|
|
#define PPCMCEXPR_H
|
|
|
|
#include "llvm/MC/MCExpr.h"
|
|
#include "llvm/MC/MCValue.h"
|
|
#include "llvm/MC/MCAsmLayout.h"
|
|
|
|
namespace llvm {
|
|
|
|
class PPCMCExpr : public MCTargetExpr {
|
|
public:
|
|
enum VariantKind {
|
|
VK_PPC_None,
|
|
VK_PPC_HA16,
|
|
VK_PPC_LO16
|
|
};
|
|
|
|
private:
|
|
const VariantKind Kind;
|
|
const MCExpr *Expr;
|
|
|
|
explicit PPCMCExpr(VariantKind _Kind, const MCExpr *_Expr)
|
|
: Kind(_Kind), Expr(_Expr) {}
|
|
|
|
public:
|
|
/// @name Construction
|
|
/// @{
|
|
|
|
static const PPCMCExpr *Create(VariantKind Kind, const MCExpr *Expr,
|
|
MCContext &Ctx);
|
|
|
|
static const PPCMCExpr *CreateHa16(const MCExpr *Expr, MCContext &Ctx) {
|
|
return Create(VK_PPC_HA16, Expr, Ctx);
|
|
}
|
|
|
|
static const PPCMCExpr *CreateLo16(const MCExpr *Expr, MCContext &Ctx) {
|
|
return Create(VK_PPC_LO16, 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();
|
|
}
|
|
|
|
// There are no TLS PPCMCExprs at the moment.
|
|
void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {}
|
|
|
|
static bool classof(const MCExpr *E) {
|
|
return E->getKind() == MCExpr::Target;
|
|
}
|
|
};
|
|
} // end namespace llvm
|
|
|
|
#endif
|