src/Program.cpp

   1 /*
   2  *      avr-sim: An atmel AVR simulator
   3  *  Copyright (C) 2008  Tom Haber
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "Program.h"
  20 #include <iostream>
  21 #include <algorithm>
  22
  23 namespace avr {
  24
  25         const std::string Program::empty;
  26
  27         void Program::addSymbolFlash(int addr, const char *name) {
  28 #ifdef DEBUG
  29                 std::cout << "Flash Symbol: " << name << " (" << std::hex << addr << std::dec << ")" << std::endl;
  30 #endif
  31                 flashSymbols.insert( std::make_pair(addr, name) );
  32         }
  33
  34         void Program::addSymbolEeprom(int addr, const char *name) {
  35 #ifdef DEBUG
  36                 std::cout << "Eeprom Symbol: " << name << " (" << std::hex << addr << std::dec << ")" << std::endl;
  37 #endif
  38         }
  39
  40         void Program::addSymbolRam(int addr, const char *name) {
  41 #ifdef DEBUG
  42                 std::cout << "Ram Symbol: " << name << " (" << std::hex << addr << std::dec << ")" << std::endl;
  43 #endif
  44                 dataSymbols.insert( std::make_pair(addr, name) );
  45         }
  46
  47         const std::string & Program::functionName(int addr) const {
  48                 SymTable::const_iterator it = flashSymbols.upper_bound( addr );
  49                 if( it == flashSymbols.end() )
  50                         return empty;
  51
  52                 if( it->first != addr )
  53                         it--;
  54
  55                 return it->second;
  56         }
  57
  58         class SymbolFinder {
  59                 public:
  60                         SymbolFinder(const std::string & name) : name(name) {}
  61
  62                 public:
  63                         bool operator() (const std::pair<int, std::string> & p) {
  64                                 return p.second == name;
  65                         }
  66
  67                 private:
  68                         const std::string & name;
  69         };
  70
  71         int Program::functionAddress(const std::string & name) const {
  72                 SymTable::const_iterator it =
  73                         std::find_if(flashSymbols.begin(), flashSymbols.end(), SymbolFinder(name) );
  74
  75                 if( it == flashSymbols.end() )
  76                         return -1;
  77
  78                 return it->first;
  79         }
  80
  81         int Program::dataAddress(const std::string & name) const {
  82                 SymTable::const_iterator it =
  83                         std::find_if(dataSymbols.begin(), dataSymbols.end(), SymbolFinder(name) );
  84
  85                 if( it == dataSymbols.end() )
  86                         return -1;
  87
  88                 return it->first;
  89         }
  90
  91         const std::string & Program::dataName(int addr) const {
  92                 SymTable::const_iterator it = dataSymbols.upper_bound( addr );
  93                 if( it == dataSymbols.end() )
  94                         return empty;
  95
  96                 if( it->first != addr )
  97                         it--;
  98
  99                 return it->second;
 100         }
 101
 102 }