class raw_ostream;
class MCAsmLayout;
class MCAssembler;
-class MCBinaryExpr;
class MCContext;
class MCCodeEmitter;
class MCExpr;
};
class MCDataFragment : public MCFragment {
+ virtual void anchor();
SmallString<32> Contents;
/// Fixups - The list of fixups in this fragment.
void addFixup(MCFixup Fixup) {
// Enforce invariant that fixups are in offset order.
- assert((Fixups.empty() || Fixup.getOffset() > Fixups.back().getOffset()) &&
+ assert((Fixups.empty() || Fixup.getOffset() >= Fixups.back().getOffset()) &&
"Fixups must be added in order!");
Fixups.push_back(Fixup);
}
// object with just the MCInst and a code size, then we should just change
// MCDataFragment to have an optional MCInst at its end.
class MCInstFragment : public MCFragment {
+ virtual void anchor();
+
/// Inst - The instruction this is a fragment for.
MCInst Inst;
};
class MCAlignFragment : public MCFragment {
+ virtual void anchor();
+
/// Alignment - The alignment to ensure, in bytes.
unsigned Alignment;
};
class MCFillFragment : public MCFragment {
+ virtual void anchor();
+
/// Value - Value to use for filling bytes.
int64_t Value;
};
class MCOrgFragment : public MCFragment {
+ virtual void anchor();
+
/// Offset - The offset this fragment should start at.
const MCExpr *Offset;
};
class MCLEBFragment : public MCFragment {
+ virtual void anchor();
+
/// Value - The value this fragment should contain.
const MCExpr *Value;
};
class MCDwarfLineAddrFragment : public MCFragment {
+ virtual void anchor();
+
/// LineDelta - the value of the difference between the two line numbers
/// between two .loc dwarf directives.
int64_t LineDelta;
};
class MCDwarfCallFrameFragment : public MCFragment {
+ virtual void anchor();
+
/// AddrDelta - The expression for the difference of the two symbols that
/// make up the address delta between two .cfi_* dwarf directives.
const MCExpr *AddrDelta;
MCSectionData *SectionData;
};
+// FIXME: Ditto this. Purely so the Streamer and the ObjectWriter can talk
+// to one another.
+struct DataRegionData {
+ // This enum should be kept in sync w/ the mach-o definition in
+ // llvm/Object/MachOFormat.h.
+ enum KindTy { Data = 1, JumpTable8, JumpTable16, JumpTable32 } Kind;
+ MCSymbol *Start;
+ MCSymbol *End;
+};
+
class MCAssembler {
friend class MCAsmLayout;
const_indirect_symbol_iterator;
typedef std::vector<IndirectSymbolData>::iterator indirect_symbol_iterator;
+ typedef std::vector<DataRegionData>::const_iterator
+ const_data_region_iterator;
+ typedef std::vector<DataRegionData>::iterator data_region_iterator;
+
private:
MCAssembler(const MCAssembler&); // DO NOT IMPLEMENT
void operator=(const MCAssembler&); // DO NOT IMPLEMENT
std::vector<IndirectSymbolData> IndirectSymbols;
+ std::vector<DataRegionData> DataRegions;
/// The set of function symbols for which a .thumb_func directive has
/// been seen.
//
size_t indirect_symbol_size() const { return IndirectSymbols.size(); }
+ /// @}
+ /// @name Data Region List Access
+ /// @{
+
+ // FIXME: This is a total hack, this should not be here. Once things are
+ // factored so that the streamer has direct access to the .o writer, it can
+ // disappear.
+ std::vector<DataRegionData> &getDataRegions() {
+ return DataRegions;
+ }
+
+ data_region_iterator data_region_begin() {
+ return DataRegions.begin();
+ }
+ const_data_region_iterator data_region_begin() const {
+ return DataRegions.begin();
+ }
+
+ data_region_iterator data_region_end() {
+ return DataRegions.end();
+ }
+ const_data_region_iterator data_region_end() const {
+ return DataRegions.end();
+ }
+
+ size_t data_region_size() const { return DataRegions.size(); }
+
/// @}
/// @name Backend Data Access
/// @{