#ifndef LLVM_MC_MCELFOBJECTWRITER_H
#define LLVM_MC_MCELFOBJECTWRITER_H
-#include "llvm/MC/MCObjectWriter.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/ELF.h"
+#include <vector>
namespace llvm {
+class MCAssembler;
+class MCFixup;
+class MCFragment;
+class MCObjectWriter;
+class MCSymbol;
+class MCValue;
+
+/// @name Relocation Data
+/// @{
+
+struct ELFRelocationEntry {
+ // Make these big enough for both 32-bit and 64-bit
+ uint64_t r_offset;
+ int Index;
+ unsigned Type;
+ const MCSymbol *Symbol;
+ uint64_t r_addend;
+ const MCFixup *Fixup;
+
+ ELFRelocationEntry()
+ : r_offset(0), Index(0), Type(0), Symbol(0), r_addend(0), Fixup(0) {}
+
+ ELFRelocationEntry(uint64_t RelocOffset, int Idx, unsigned RelType,
+ const MCSymbol *Sym, uint64_t Addend, const MCFixup &Fixup)
+ : r_offset(RelocOffset), Index(Idx), Type(RelType), Symbol(Sym),
+ r_addend(Addend), Fixup(&Fixup) {}
+
+ // Support lexicographic sorting.
+ bool operator<(const ELFRelocationEntry &RE) const {
+ return RE.r_offset < r_offset;
+ }
+};
+
class MCELFObjectTargetWriter {
const uint8_t OSABI;
const uint16_t EMachine;
}
}
- virtual ~MCELFObjectTargetWriter();
+ virtual ~MCELFObjectTargetWriter() {}
virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
bool IsPCRel, bool IsRelocWithSymbol,
- int64_t Addend) const; // FIXME: add = 0
+ int64_t Addend) const = 0;
virtual unsigned getEFlags() const;
virtual const MCSymbol *ExplicitRelSym(const MCAssembler &Asm,
const MCValue &Target,
const MCFragment &F,
const MCFixup &Fixup,
bool IsPCRel) const;
+ virtual void adjustFixupOffset(const MCFixup &Fixup,
+ uint64_t &RelocOffset);
+
+ virtual void sortRelocs(const MCAssembler &Asm,
+ std::vector<ELFRelocationEntry> &Relocs);
/// @name Accessors
/// @{