filecontainer.cpp

epson usb2.0 控制芯片 S1R72V05 固件程序。

/*
 *  TOPPERS/JSP Kernel
 *      Toyohashi Open Platform for Embedded Real-Time Systems/
 *      Just Standard Profile Kernel
 * 
 *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
 *                              Toyohashi Univ. of Technology, JAPAN
 * 
 *  忋婰挊嶌尃幰偼丆埲壓偺 (1)乣(4) 偺忦審偐丆Free Software Foundation 
 *  偵傛偭偰岞昞偝傟偰偄傞 GNU General Public License 偺 Version 2 偵婰
 *  弎偝傟偰偄傞忦審傪枮偨偡応崌偵尷傝丆杮僜僼僩僂僃傾乮杮僜僼僩僂僃傾
 *  傪夵曄偟偨傕偺傪娷傓丏埲壓摨偠乯傪巊梡丒暋惢丒夵曄丒嵞攝晍乮埲壓丆
 *  棙梡偲屇傇乯偡傞偙偲傪柍彏偱嫋戻偡傞丏
 *  (1) 杮僜僼僩僂僃傾傪僜乕僗僐乕僪偺宍偱棙梡偡傞応崌偵偼丆忋婰偺挊嶌
 *      尃昞帵丆偙偺棙梡忦審偍傛傃壓婰偺柍曐徹婯掕偑丆偦偺傑傑偺宍偱僜乕
 *      僗僐乕僪拞偵娷傑傟偰偄傞偙偲丏
 *  (2) 杮僜僼僩僂僃傾傪丆儔僀僽儔儕宍幃側偳丆懠偺僜僼僩僂僃傾奐敪偵巊
 *      梡偱偒傞宍偱嵞攝晍偡傞応崌偵偼丆嵞攝晍偵敽偆僪僉儏儊儞僩乮棙梡
 *      幰儅僯儏傾儖側偳乯偵丆忋婰偺挊嶌尃昞帵丆偙偺棙梡忦審偍傛傃壓婰
 *      偺柍曐徹婯掕傪宖嵹偡傞偙偲丏
 *  (3) 杮僜僼僩僂僃傾傪丆婡婍偵慻傒崬傓側偳丆懠偺僜僼僩僂僃傾奐敪偵巊
 *      梡偱偒側偄宍偱嵞攝晍偡傞応崌偵偼丆師偺偄偢傟偐偺忦審傪枮偨偡偙
 *      偲丏
 *    (a) 嵞攝晍偵敽偆僪僉儏儊儞僩乮棙梡幰儅僯儏傾儖側偳乯偵丆忋婰偺挊
 *        嶌尃昞帵丆偙偺棙梡忦審偍傛傃壓婰偺柍曐徹婯掕傪宖嵹偡傞偙偲丏
 *    (b) 嵞攝晍偺宍懺傪丆暿偵掕傔傞曽朄偵傛偭偰丆TOPPERS僾儘僕僃僋僩偵
 *        曬崘偡傞偙偲丏
 *  (4) 杮僜僼僩僂僃傾偺棙梡偵傛傝捈愙揑傑偨偼娫愙揑偵惗偠傞偄偐側傞懝
 *      奞偐傜傕丆忋婰挊嶌尃幰偍傛傃TOPPERS僾儘僕僃僋僩傪柶愑偡傞偙偲丏
 * 
 *  杮僜僼僩僂僃傾偼丆柍曐徹偱採嫙偝傟偰偄傞傕偺偱偁傞丏忋婰挊嶌尃幰偍
 *  傛傃TOPPERS僾儘僕僃僋僩偼丆杮僜僼僩僂僃傾偵娭偟偰丆偦偺揔梡壜擻惈傕
 *  娷傔偰丆偄偐側傞曐徹傕峴傢側偄丏傑偨丆杮僜僼僩僂僃傾偺棙梡偵傛傝捈
 *  愙揑傑偨偼娫愙揑偵惗偠偨偄偐側傞懝奞偵娭偟偰傕丆偦偺愑擟傪晧傢側偄丏
 * 
 *  @(#) $Id: filecontainer.cpp,v 1.1 2006/04/14 02:46:05 9564907 Exp $
 */

#ifdef _MSC_VER
#pragma warning(disable:4786) //僨僶僢僌暥帤楍傪255暥帤偵愗傝媗傔偨
#endif

#include "base/filecontainer.h"
#include <memory.h>
#include <fstream>

using namespace std;

namespace {
        /* 晞崋側偟10恑暥帤楍偺僷乕僗 */
    char * parse_uint(char * src, unsigned int * dest, unsigned int default_value = 0)
    {
        int result = 0;

        if(*src < '0' || *src > '9') {
            *dest = default_value;
            return src;
        }

        do {
            result = result * 10 + *(src++) - '0';
        } while(*src >= '0' && *src <='9');

        *dest = result;
        return src;
    }
}

    /* 曄悢忣曬偺撉傒崬傒 */
void FileContainer::attachInfo(const string & filename) throw(Exception)
{
    char    buffer[256];
    fstream file;

    char * work;
    struct tagVariableInfo info;

    memset(&info, 0, sizeof(info));

    file.open(filename.c_str(), ios::in);
    if(!file.is_open()) {
        ExceptionMessage("Structure information file(%) was not found. ","峔憿懱忣曬僼傽僀儖(%)偑尒偮偐傝傑偣傫 ") << filename << throwException;
        return;
    }

    while(!file.eof())
    {
        file.get(buffer, 256);

        if(!file.fail()) {
            switch(buffer[0])
            {
            case 's':
                {
                    unsigned int address = 0;
                    unsigned int size    = 0;

                    work = buffer+1;
                    while(*work != ',' && *work != '\x0')
                        work++;
                    if(*work != '\x0') {
                        *work = '\x0';
                        work = parse_uint(work+1,&size);
                        work = parse_uint(work+1,&address);
                    }

                    info.address = static_cast<address_t>(address);
                    info.size    = static_cast<size_t>(size);
                    variableinfo[string(buffer+1)] = info;
                    break;
                }

            case 'd':   //幆暿巕柤偼柍帇
                break;

            default:
                ExceptionMessage("Unknown information type identifier found - [%]","枹抦偺宆幆暿巕 - [%]") << buffer[0] << throwException;
            }
        }
        else
            file.clear();

        file.get();
    }

    file.close();
}

    /* 曄悢忣曬偺庢摼 */
struct FileContainer::tagVariableInfo FileContainer::getVariableInfo(const string & name) throw(Exception)
{
    map<string, tagVariableInfo>::const_iterator scope;

    scope = variableinfo.find(name);
    if(scope == variableinfo.end()) {
        ExceptionMessage("Operation against the unknwon symbol [%] was rejected.","晄柧側僔儞儃儖柤 [%] 偺忣曬傪庢摼偟傛偆偲偟偰偄傑偡") << name << throwException;

        struct tagVariableInfo dummy;
        memset(&dummy, 0, sizeof(dummy));
        return dummy;
    }

    return scope->second;
}


    /* 僐儞僗僩儔僋僞 (僔儞儃儖柤傪巜掕偟偰弶婜壔) */
TargetVariableBase::TargetVariableBase(const std::string & sym) throw() 
    : address(0), size(0), offset(0), structure_size(0), loaded(false)
{
    try{
        FileContainer * fc = FileContainer::getInstance();
        address = fc->getSymbolAddress(sym);
        size    = fc->getVariableInfo(sym).size;
        structure_size = size;
    }
    catch(...) {
        address = 0;
        size    = 0;
    }
}

    /* 僐儞僗僩儔僋僞 (僔儞儃儖柤, 僨乕僞挿傪巜掕偟偰弶婜壔) */
TargetVariableBase::TargetVariableBase(const string & sym, size_t _size) throw() 
    : address(0), size(_size), offset(0), structure_size(_size), loaded(false)
{
    try{
        FileContainer * fc = FileContainer::getInstance();
        address = fc->getSymbolAddress(sym);
    }
    catch(...) {
        address = 0;
        size    = 0;
    }
}

    /* 僐儞僗僩儔僋僞 (僔儞儃儖柤丄儊儞僶柤傪巜掕偟偰弶婜壔) */
TargetVariableBase::TargetVariableBase(const string & sym, const string & sz) throw() 
    : address(0), size(0), offset(0), structure_size(0), loaded(false)
{
    try{
        FileContainer * fc = FileContainer::getInstance();
        address = fc->getSymbolAddress(sym);                                //峔憿懱偺愭摢傾僪儗僗
        size    = fc->getVariableInfo(sz).size;                             //儊儞僶曄悢偺挿偝
        offset  = static_cast<size_t>(fc->getVariableInfo(sz).address);     //儊儞僶曄悢偺僆僼僙僢僩
        structure_size = fc->getVariableInfo(sym).size;                     //峔憿懱偺挿偝
    }
    catch(...) {
        address = 0;
        size    = 0;
    }
}

    /* 僐僺乕僐儞僗僩儔僋僞 */
TargetVariableBase::TargetVariableBase(const TargetVariableBase & src) throw()
    : address(0), size(0), offset(0), structure_size(0), loaded(false)
{
    if(src.isValid()) {
        address        = src.address;
        size           = src.size;
        offset         = src.offset;   
        structure_size = src.structure_size;
        loaded         = false;
    }
}


    /* 僆僽僕僃僋僩撪梕偺庢摼 */
void TargetVariableBase::loadContent(void * dest, size_t dest_size) throw(Exception)
{
    char * buffer = 0;

    try {
        if(isValid()) {
            buffer = new char[getSize()];
            FileContainer * fc = FileContainer::getInstance();

            fc->loadContents(buffer, getAddress() + getOffset(), getSize());
            if(fc->getByteOrder() != FileContainer::HOSTORDER)
                changeEndian(buffer, getSize());

            if(size < dest_size)
                memset(dest, 0, dest_size);
            else if(size > dest_size)
                ExceptionMessage("[TargetVariableBase::loadContent] Destination storage is too small to store the contents.","[TargetVariableBase::loadContent] 弌椡愭僶僢僼傽偺僒僀僘偑彫偝偡偓傑偡").throwException();
            memcpy(dest, buffer, getSize());

            delete [] buffer;
            loaded = true;
        }
        else {
            ExceptionMessage("loadContent was performed with an illegal target variable.","晄惓側僞乕僎僢僩曄悢忣曬偱loadContent偑屇偽傟傑偟偨").throwException();
        }
    }
    catch(bad_alloc &) {
        ExceptionMessage("No available memory [%B]","儊儌儕晄懌偱偡 [%B]") << (unsigned int)getSize() << throwException;
    }
    catch(Exception &) {
        if(buffer)
            delete [] buffer;
        throw;
    }
}

    /* 僶僀僩僆乕僟偺曄峏 */
void TargetVariableBase::changeEndian(char * buffer, size_t size) throw()
{
    char * tail = buffer + size - 1;

    while(buffer < tail) {
        char temporary = *buffer;
        *buffer = *tail;
        *tail   = temporary;

        ++ buffer;
        -- tail;
    }
}



//---------------------------------------------

#ifdef TESTSUITE
#include "base/coverage_undefs.h"

#include <cctype>
#define _isprint(x) isprint(x)

class TFileContainer : public FileContainer
{
public:
    TFileContainer(void) throw() {}
    virtual ~TFileContainer(void) throw() {}

    string module;
    void attachModule(const std::string & _module) throw(Exception) 
    {
        CHECKPOINT("attachModule"); 
        module = _module;
    }

    void *    dest;
    address_t addr;
    size_t    sz;
    void loadContents(void * _dest, address_t _addr, size_t _sz) throw(Exception) 
    {
        CHECKPOINT("loadContents");
        dest = _dest;
        addr = _addr;
        sz   = _sz;
        memset(_dest, ~0, _sz);
    }

    string symbol;
    address_t getSymbolAddress(const std::string & _symbol) throw(Exception) 
    {
        CHECKPOINT("getSymbolAddress");
        symbol = _symbol;
        return 1; 
    }

    std::string getArchitecture(void) throw(Exception)
    {   return "TFileContainer";   }

    TESTSUITE_PROTOTYPE(main)
};

TESTSUITE(main, TFileContainer)
{
    PREDECESSOR("SingletonBase");
    PREDECESSOR("RuntimeObjectTable");

    SingletonBase::ContextChain chain;
    chain.saveContext<RuntimeObjectTable>();
    chain.renewInstance();

    BEGIN_CASE("getInstance","getInstance") {
        BEGIN_CASE("1","壗傕搊榐偝傟偰偄側偄偲偒偺getInstance偱椺奜") {
            bool result = false;
            try { FileContainer::getInstance(); } catch(Exception &) { result = true; }
            if(!result)
                TEST_FAIL;
        } END_CASE;

        BEGIN_CASE("2","getInstance偱僀儞僗僞儞僗偑曉傞") {
            TFileContainer fc;
            FileContainer * instance;
            bool result = true;
            try { instance = FileContainer::getInstance(); } catch(...) { result = false; }
            TEST_CASE("1","椺奜偼偍偒側偄", result);
            TEST_CASE("2","庢摼偱偒傞僀儞僗僞儞僗偑惓偟偄", instance == &fc);
        } END_CASE;
    } END_CASE;

    BEGIN_CASE("parse_uint","parse_uint") {
        BEGIN_CASE("1","悢帤傪愗傝弌偣傞") {
            unsigned int dest;
            char * src = "123";
            char * result = parse_uint(src, &dest);

            TEST_CASE("1","result偑嵟屻偵棃偰偄傞", result == src + 3);
            TEST_CASE("2","抣偼惓偟偄", dest == 123);
        } END_CASE;

        BEGIN_CASE("2","悢帤偱柍偄暥帤傪梌偊傞偲僨僼僅儖僩抣偑曉傞") {
            unsigned int dest;
            char * src = "abc";
            char * result = parse_uint(src, &dest, 1234567);

            TEST_CASE("1","result偼恑傫偱偄側偄", result == src);
            TEST_CASE("2","僨僼僅儖僩抣偑曉傞", dest == 1234567);
        } END_CASE;

        BEGIN_CASE("3","僨儕儈僞偱偲傑傞") {
            unsigned int dest;
            char * src = "321,123";
            char * result = parse_uint(src, &dest);

            TEST_CASE("1","result偼恑傫偱偄側偄", result == src + 3);
            TEST_CASE("2","僨僼僅儖僩抣偑曉傞", dest == 321);
        } END_CASE;
    } END_CASE;

    BEGIN_CASE("attachInfo","attachInfo") {
        BEGIN_CASE("1","晛捠偵張棟傪偝偣傞") {
            fstream file("dummy",ios::out);
            file << "s_kernel_tinib_table,32,0\nstask_initialization_block::texrtn,4,28\n";
            file.close();

            TFileContainer fc;

            bool result = true;
            try { fc.attachInfo("dummy"); } catch(...) { result = false; }

            TEST_CASE("1","椺奜偼偍偒側偄", result);

            map<string, struct tagVariableInfo>::iterator scope = fc.variableinfo.find("_kernel_tinib_table");