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-//===-- lib/CodeGen/ELFCodeEmitter.h ----------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef ELFCODEEMITTER_H
-#define ELFCODEEMITTER_H
-
-#include "llvm/CodeGen/ObjectCodeEmitter.h"
-#include <vector>
-
-namespace llvm {
- class ELFWriter;
- class ELFSection;
-
- /// ELFCodeEmitter - This class is used by the ELFWriter to
- /// emit the code for functions to the ELF file.
- class ELFCodeEmitter : public ObjectCodeEmitter {
- ELFWriter &EW;
-
- /// Target machine description
- TargetMachine &TM;
-
- /// Section containing code for functions
- ELFSection *ES;
-
- /// Relocations - Record relocations needed by the current function
- std::vector<MachineRelocation> Relocations;
-
- /// JTRelocations - Record relocations needed by the relocation
- /// section.
- std::vector<MachineRelocation> JTRelocations;
-
- /// FnStartPtr - Function offset from the beginning of ELFSection 'ES'
- uintptr_t FnStartOff;
- public:
- explicit ELFCodeEmitter(ELFWriter &ew) : EW(ew), TM(EW.TM) {}
-
- /// addRelocation - Register new relocations for this function
- void addRelocation(const MachineRelocation &MR) {
- Relocations.push_back(MR);
- }
-
- /// emitConstantPool - For each constant pool entry, figure out which
- /// section the constant should live in and emit data to it
- void emitConstantPool(MachineConstantPool *MCP);
-
- /// emitJumpTables - Emit all the jump tables for a given jump table
- /// info and record them to the appropriate section.
- void emitJumpTables(MachineJumpTableInfo *MJTI);
-
- void startFunction(MachineFunction &F);
- bool finishFunction(MachineFunction &F);
-
- /// emitLabel - Emits a label
- virtual void emitLabel(MCSymbol *Label) {
- assert(0 && "emitLabel not implemented");
- }
-
- /// getLabelAddress - Return the address of the specified LabelID,
- /// only usable after the LabelID has been emitted.
- virtual uintptr_t getLabelAddress(MCSymbol *Label) const {
- assert(0 && "getLabelAddress not implemented");
- return 0;
- }
-
- virtual void setModuleInfo(llvm::MachineModuleInfo* MMI) {}
-
-}; // end class ELFCodeEmitter
-
-} // end namespace llvm
-
-#endif
-
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