lib/MC/MCDisassembler.cpp

   1 //===-- lib/MC/MCDisassembler.cpp - Disassembler interface ------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "llvm/MC/MCDisassembler.h"
  11 #include "llvm/MC/MCExternalSymbolizer.h"
  12 #include "llvm/Support/raw_ostream.h"
  13
  14 using namespace llvm;
  15
  16 MCDisassembler::~MCDisassembler() {
  17 }
  18
  19 void MCDisassembler::setupForSymbolicDisassembly(
  20     LLVMOpInfoCallback GetOpInfo, LLVMSymbolLookupCallback SymbolLookUp,
  21     void *DisInfo, MCContext *Ctx, std::unique_ptr<MCRelocationInfo> &RelInfo) {
  22   this->GetOpInfo = GetOpInfo;
  23   this->SymbolLookUp = SymbolLookUp;
  24   this->DisInfo = DisInfo;
  25   this->Ctx = Ctx;
  26   assert(Ctx != 0 && "No MCContext given for symbolic disassembly");
  27   if (!Symbolizer)
  28     Symbolizer.reset(new MCExternalSymbolizer(*Ctx, RelInfo, GetOpInfo,
  29                                               SymbolLookUp, DisInfo));
  30 }
  31
  32 void MCDisassembler::setupForSymbolicDisassembly(
  33     LLVMOpInfoCallback GetOpInfo, LLVMSymbolLookupCallback SymbolLookUp,
  34     void *DisInfo, MCContext *Ctx, OwningPtr<MCRelocationInfo> &RelInfo) {
  35   std::unique_ptr<MCRelocationInfo> MCRI;
  36   setupForSymbolicDisassembly(GetOpInfo, SymbolLookUp, DisInfo, Ctx, MCRI);
  37   RelInfo = std::move(MCRI);
  38 }
  39
  40 bool MCDisassembler::tryAddingSymbolicOperand(MCInst &Inst, int64_t Value,
  41                                               uint64_t Address, bool IsBranch,
  42                                               uint64_t Offset,
  43                                               uint64_t InstSize) const {
  44   raw_ostream &cStream = CommentStream ? *CommentStream : nulls();
  45   if (Symbolizer)
  46     return Symbolizer->tryAddingSymbolicOperand(Inst, cStream, Value, Address,
  47                                                 IsBranch, Offset, InstSize);
  48   return false;
  49 }
  50
  51 void MCDisassembler::tryAddingPcLoadReferenceComment(int64_t Value,
  52                                                      uint64_t Address) const {
  53   raw_ostream &cStream = CommentStream ? *CommentStream : nulls();
  54   if (Symbolizer)
  55     Symbolizer->tryAddingPcLoadReferenceComment(cStream, Value, Address);
  56 }
  57
  58 void MCDisassembler::setSymbolizer(std::unique_ptr<MCSymbolizer> &Symzer) {
  59   Symbolizer.reset(Symzer.release());
  60 }