mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-23 15:29:51 +00:00
0eab5c4d85
that associate sections with expressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130517 91177308-0d34-0410-b5e6-96231b3b80d8
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
//===-- ARMMCExpr.h - ARM specific MC expression classes ------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef ARMMCEXPR_H
|
|
#define ARMMCEXPR_H
|
|
|
|
#include "llvm/MC/MCExpr.h"
|
|
|
|
namespace llvm {
|
|
|
|
class ARMMCExpr : public MCTargetExpr {
|
|
public:
|
|
enum VariantKind {
|
|
VK_ARM_None,
|
|
VK_ARM_HI16, // The R_ARM_MOVT_ABS relocation (:upper16: in the .s file)
|
|
VK_ARM_LO16 // The R_ARM_MOVW_ABS_NC relocation (:lower16: in the .s file)
|
|
};
|
|
|
|
private:
|
|
const VariantKind Kind;
|
|
const MCExpr *Expr;
|
|
|
|
explicit ARMMCExpr(VariantKind _Kind, const MCExpr *_Expr)
|
|
: Kind(_Kind), Expr(_Expr) {}
|
|
|
|
public:
|
|
/// @name Construction
|
|
/// @{
|
|
|
|
static const ARMMCExpr *Create(VariantKind Kind, const MCExpr *Expr,
|
|
MCContext &Ctx);
|
|
|
|
static const ARMMCExpr *CreateUpper16(const MCExpr *Expr, MCContext &Ctx) {
|
|
return Create(VK_ARM_HI16, Expr, Ctx);
|
|
}
|
|
|
|
static const ARMMCExpr *CreateLower16(const MCExpr *Expr, MCContext &Ctx) {
|
|
return Create(VK_ARM_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();
|
|
}
|
|
|
|
static bool classof(const MCExpr *E) {
|
|
return E->getKind() == MCExpr::Target;
|
|
}
|
|
|
|
static bool classof(const ARMMCExpr *) { return true; }
|
|
|
|
};
|
|
} // end namespace llvm
|
|
|
|
#endif
|