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, std::move(RelInfo),
  29                                               GetOpInfo, SymbolLookUp,
  30                                               DisInfo));
  31 }
  32
  33 bool MCDisassembler::tryAddingSymbolicOperand(MCInst &Inst, int64_t Value,
  34                                               uint64_t Address, bool IsBranch,
  35                                               uint64_t Offset,
  36                                               uint64_t InstSize) const {
  37   raw_ostream &cStream = CommentStream ? *CommentStream : nulls();
  38   if (Symbolizer)
  39     return Symbolizer->tryAddingSymbolicOperand(Inst, cStream, Value, Address,
  40                                                 IsBranch, Offset, InstSize);
  41   return false;
  42 }
  43
  44 void MCDisassembler::tryAddingPcLoadReferenceComment(int64_t Value,
  45                                                      uint64_t Address) const {
  46   raw_ostream &cStream = CommentStream ? *CommentStream : nulls();
  47   if (Symbolizer)
  48     Symbolizer->tryAddingPcLoadReferenceComment(cStream, Value, Address);
  49 }
  50
  51 void MCDisassembler::setSymbolizer(std::unique_ptr<MCSymbolizer> Symzer) {
  52   Symbolizer = std::move(Symzer);
  53 }