StructSimple.cpp

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//***************************************************************************
//
// File:
//   $HeadURL$
//
// Purpose:
//   [The purpose of this file]
//
// Description:
//   [The set of functions, macros, etc. defined in the file]
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//************************* System Include Files ****************************

#include <iostream>
using std::cout;
using std::cerr;
using std::endl;

#include <iomanip>

#include <fstream>
#include <sstream>

#include <string>
using std::string;

#include <map>
#include <list>
#include <vector>

#include <algorithm>

#include <cstring>

//*************************** User Include Files ****************************

#include "StructSimple.hpp"

#include <lib/prof/Struct-Tree.hpp>
using namespace Prof;

#include <lib/binutils/LM.hpp>
#include <lib/binutils/Insn.hpp>

#include <lib/support/diagnostics.h>
#include <lib/support/FileUtil.hpp>


//*************************** Forward Declarations ***************************

//****************************************************************************
// 
//****************************************************************************

// makeStructureSimple: Uses the line map to make structure
Prof::Struct::Stmt*
BAnal::Struct::makeStructureSimple(Prof::Struct::LM* lmStrct,
                                   BinUtil::LM* lm, VMA vma, const string* unknownProcNm)
{
  string procnm, filenm;
  SrcFile::ln line = Prof::Struct::Tree::UnknownLine;
  lm->findSrcCodeInfo(vma, 0 /*opIdx*/, procnm, filenm, line);
  procnm = BinUtil::canonicalizeProcName(procnm);
  
  if (filenm.empty()) {
    filenm = Prof::Struct::Tree::UnknownFileNm
      + " [" + FileUtil::basename(lm->name().c_str()) + "]";
  }
  if (procnm.empty()) {
    std::stringstream buf;

    buf << *unknownProcNm
        << " 0x" << std::hex << vma << std::dec
        << " [" << FileUtil::basename(lm->name().c_str()) << "]";

    procnm = buf.str();
  }
  
  Prof::Struct::File* fileStrct = Prof::Struct::File::demand(lmStrct, filenm);
  Prof::Struct::Proc* procStrct = Prof::Struct::Proc::demand(fileStrct, procnm,
                                                             "", line, line);

  VMA begVMA = vma, endVMA = vma + 1;
  BinUtil::Insn* insn = lm->findInsn(vma, 0 /*opIdx*/);
  if (insn) {
    endVMA = insn->endVMA();
  }
  Prof::Struct::Stmt* stmtStrct = demandStmtStructure(lmStrct, procStrct, line,
                                                      begVMA, endVMA);
  
  return stmtStrct;
}


Struct::Stmt*
BAnal::Struct::demandStmtStructure(Prof::Struct::LM* lmStrct,
                                   Prof::Struct::Proc* procStrct,
                                   SrcFile::ln line, VMA begVMA, VMA endVMA)
{
  Prof::Struct::Stmt* stmtStrct = procStrct->findStmt(line);

  if (stmtStrct) {
    if (0) {
      // disable: potentially expensive to maintain
      lmStrct->eraseStmtIf(stmtStrct);
    }
    stmtStrct->vmaSet().insert(begVMA, endVMA);
    if (0) {
      // disable: potentially expensive to maintain
      lmStrct->insertStmtIf(stmtStrct);
    }
  }
  else {
    // N.B.: calls lmStrct->insertStmtIf()
    stmtStrct = new Prof::Struct::Stmt(procStrct, line, line, begVMA, endVMA);
  }

  return stmtStrct;
}