Differential D45181 Diff 148194 llvm/trunk/include/llvm/MC/MCFixup.h

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llvm/trunk/include/llvm/MC/MCFixup.h

Show All 35 Lines	enum MCFixupKind {
FK_DTPRel_4, ///< A four-byte dtp relative fixup.		FK_DTPRel_4, ///< A four-byte dtp relative fixup.
FK_DTPRel_8, ///< A eight-byte dtp relative fixup.		FK_DTPRel_8, ///< A eight-byte dtp relative fixup.
FK_TPRel_4, ///< A four-byte tp relative fixup.		FK_TPRel_4, ///< A four-byte tp relative fixup.
FK_TPRel_8, ///< A eight-byte tp relative fixup.		FK_TPRel_8, ///< A eight-byte tp relative fixup.
FK_SecRel_1, ///< A one-byte section relative fixup.		FK_SecRel_1, ///< A one-byte section relative fixup.
FK_SecRel_2, ///< A two-byte section relative fixup.		FK_SecRel_2, ///< A two-byte section relative fixup.
FK_SecRel_4, ///< A four-byte section relative fixup.		FK_SecRel_4, ///< A four-byte section relative fixup.
FK_SecRel_8, ///< A eight-byte section relative fixup.		FK_SecRel_8, ///< A eight-byte section relative fixup.
		FK_Data_Add_1, ///< A one-byte add fixup.
		FK_Data_Add_2, ///< A two-byte add fixup.
		FK_Data_Add_4, ///< A four-byte add fixup.
		FK_Data_Add_8, ///< A eight-byte add fixup.
		FK_Data_Sub_1, ///< A one-byte sub fixup.
		FK_Data_Sub_2, ///< A two-byte sub fixup.
		FK_Data_Sub_4, ///< A four-byte sub fixup.
		FK_Data_Sub_8, ///< A eight-byte sub fixup.

FirstTargetFixupKind = 128,		FirstTargetFixupKind = 128,

// Limit range of target fixups, in case we want to pack more efficiently		// Limit range of target fixups, in case we want to pack more efficiently
// later.		// later.
MaxTargetFixupKind = (1 << 8)		MaxTargetFixupKind = (1 << 8)
};		};

Show All 33 Lines	static MCFixup create(uint32_t Offset, const MCExpr *Value,
MCFixup FI;		MCFixup FI;
FI.Value = Value;		FI.Value = Value;
FI.Offset = Offset;		FI.Offset = Offset;
FI.Kind = unsigned(Kind);		FI.Kind = unsigned(Kind);
FI.Loc = Loc;		FI.Loc = Loc;
return FI;		return FI;
}		}

		/// Return a fixup corresponding to the add half of a add/sub fixup pair for
		/// the given Fixup.
		static MCFixup createAddFor(const MCFixup &Fixup) {
		MCFixup FI;
		FI.Value = Fixup.getValue();
		FI.Offset = Fixup.getOffset();
		FI.Kind = (unsigned)getAddKindForKind(Fixup.getKind());
		FI.Loc = Fixup.getLoc();
		return FI;
		}

		/// Return a fixup corresponding to the sub half of a add/sub fixup pair for
		/// the given Fixup.
		static MCFixup createSubFor(const MCFixup &Fixup) {
		MCFixup FI;
		FI.Value = Fixup.getValue();
		FI.Offset = Fixup.getOffset();
		FI.Kind = (unsigned)getSubKindForKind(Fixup.getKind());
		FI.Loc = Fixup.getLoc();
		return FI;
		}

MCFixupKind getKind() const { return MCFixupKind(Kind); }		MCFixupKind getKind() const { return MCFixupKind(Kind); }

uint32_t getOffset() const { return Offset; }		uint32_t getOffset() const { return Offset; }
void setOffset(uint32_t Value) { Offset = Value; }		void setOffset(uint32_t Value) { Offset = Value; }

const MCExpr *getValue() const { return Value; }		const MCExpr *getValue() const { return Value; }

/// Return the generic fixup kind for a value with the given size. It		/// Return the generic fixup kind for a value with the given size. It
/// is an error to pass an unsupported size.		/// is an error to pass an unsupported size.
static MCFixupKind getKindForSize(unsigned Size, bool isPCRel) {		static MCFixupKind getKindForSize(unsigned Size, bool isPCRel) {
switch (Size) {		switch (Size) {
default: llvm_unreachable("Invalid generic fixup size!");		default: llvm_unreachable("Invalid generic fixup size!");
case 1: return isPCRel ? FK_PCRel_1 : FK_Data_1;		case 1: return isPCRel ? FK_PCRel_1 : FK_Data_1;
case 2: return isPCRel ? FK_PCRel_2 : FK_Data_2;		case 2: return isPCRel ? FK_PCRel_2 : FK_Data_2;
case 4: return isPCRel ? FK_PCRel_4 : FK_Data_4;		case 4: return isPCRel ? FK_PCRel_4 : FK_Data_4;
case 8: return isPCRel ? FK_PCRel_8 : FK_Data_8;		case 8: return isPCRel ? FK_PCRel_8 : FK_Data_8;
}		}
}		}

		/// Return the generic fixup kind for an addition with a given size. It
		/// is an error to pass an unsupported size.
		static MCFixupKind getAddKindForKind(unsigned Kind) {
		switch (Kind) {
		default: llvm_unreachable("Unknown type to convert!");
		case FK_Data_1: return FK_Data_Add_1;
		case FK_Data_2: return FK_Data_Add_2;
		case FK_Data_4: return FK_Data_Add_4;
		case FK_Data_8: return FK_Data_Add_8;
		}
		}

		/// Return the generic fixup kind for an subtraction with a given size. It
		/// is an error to pass an unsupported size.
		static MCFixupKind getSubKindForKind(unsigned Kind) {
		switch (Kind) {
		default: llvm_unreachable("Unknown type to convert!");
		case FK_Data_1: return FK_Data_Sub_1;
		case FK_Data_2: return FK_Data_Sub_2;
		case FK_Data_4: return FK_Data_Sub_4;
		case FK_Data_8: return FK_Data_Sub_8;
		}
		}

SMLoc getLoc() const { return Loc; }		SMLoc getLoc() const { return Loc; }
};		};

} // End llvm namespace		} // End llvm namespace

#endif		#endif