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Diffstat (limited to 'src/mem/ruby/common/Debug.cc')
-rw-r--r-- | src/mem/ruby/common/Debug.cc | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/src/mem/ruby/common/Debug.cc b/src/mem/ruby/common/Debug.cc new file mode 100644 index 000000000..f0319ceb8 --- /dev/null +++ b/src/mem/ruby/common/Debug.cc @@ -0,0 +1,369 @@ + +/* + * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * $Id$ + * + */ + +#include <fstream> +#include <stdarg.h> + +#include "Global.hh" +#include "Debug.hh" +#include "EventQueue.hh" + +class Debug; +extern Debug* g_debug_ptr; +std::ostream * debug_cout_ptr; + +// component character list +const char DEFINE_COMP_CHAR[] = +{ +#undef DEFINE_COMP +#define DEFINE_COMP(component, character, description) character, +#include "Debug.def" +}; + +// component description list +const char* DEFINE_COMP_DESCRIPTION[] = +{ +#undef DEFINE_COMP +#define DEFINE_COMP(component, character, description) description, +#include "Debug.def" +}; + +extern "C" void changeDebugVerbosity(VerbosityLevel vb); +extern "C" void changeDebugFilter(int filter); + +void changeDebugVerbosity(VerbosityLevel vb) +{ + g_debug_ptr->setVerbosity(vb); +} + +void changeDebugFilter(int filter) +{ + g_debug_ptr->setFilter(filter); +} + +Debug::Debug( const char *filterString, const char *verboseString, + Time filterStartTime, const char *filename ) +{ + m_verbosityLevel = No_Verb; + clearFilter(); + debug_cout_ptr = &cout; + + m_starting_cycle = filterStartTime; + setFilterString( filterString ); + setVerbosityString( verboseString ); + setDebugOutputFile( filename ); +} + +Debug::~Debug() +{ +} + +void Debug::printVerbosity(ostream& out) const +{ + switch (getVerbosity()) { + case No_Verb: + out << "verbosity = No_Verb" << endl; + break; + case Low_Verb: + out << "verbosity = Low_Verb" << endl; + break; + case Med_Verb: + out << "verbosity = Med_Verb" << endl; + break; + case High_Verb: + out << "verbosity = High_Verb" << endl; + break; + default: + out << "verbosity = unknown" << endl; + } +} + +bool Debug::validDebug(int module, PriorityLevel priority) +{ + int local_module = (1 << module); + if(m_filter & local_module) { + if (g_eventQueue_ptr == NULL || + g_eventQueue_ptr->getTime() >= m_starting_cycle) { + switch(m_verbosityLevel) { + case No_Verb: + return false; + break; + case Low_Verb: + if(priority == HighPrio) { + return true; + }else{ + return false; + } + break; + case Med_Verb: + if(priority == HighPrio || priority == MedPrio ) { + return true; + }else{ + return false; + } + break; + case High_Verb: + return true; + break; + } + } + } + return false; +} + +void Debug::setDebugTime(Time t) +{ + m_starting_cycle = t; +} + +void Debug::setVerbosity(VerbosityLevel vb) +{ + m_verbosityLevel = vb; +} + +void Debug::setFilter(int filter) +{ + m_filter = filter; +} + +bool Debug::checkVerbosityString(const char *verb_str) +{ + if (verb_str == NULL) { + cerr << "Error: unrecognized verbosity (use none, low, med, high): NULL" << endl; + return true; // error + } else if ( (string(verb_str) == "none") || + (string(verb_str) == "low") || + (string(verb_str) == "med") || + (string(verb_str) == "high") ) { + return false; + } + cerr << "Error: unrecognized verbosity (use none, low, med, high): NULL" << endl; + return true; // error +} + +bool Debug::setVerbosityString(const char *verb_str) +{ + bool check_fails = checkVerbosityString(verb_str); + if (check_fails) { + return true; // error + } + if (string(verb_str) == "none") { + setVerbosity(No_Verb); + } else if (string(verb_str) == "low") { + setVerbosity(Low_Verb); + } else if (string(verb_str) == "med") { + setVerbosity(Med_Verb); + } else if (string(verb_str) == "high") { + setVerbosity(High_Verb); + } else { + cerr << "Error: unrecognized verbosity (use none, low, med, high): " << verb_str << endl; + return true; // error + } + return false; // no error +} + +bool Debug::checkFilter(char ch) +{ + for (int i=0; i<NUMBER_OF_COMPS; i++) { + // Look at all components to find a character match + if (DEFINE_COMP_CHAR[i] == ch) { + // We found a match - return no error + return false; // no error + } + } + return true; // error +} + +bool Debug::checkFilterString(const char *filter_str) +{ + if (filter_str == NULL) { + cerr << "Error: unrecognized component filter: NULL" << endl; + return true; // error + } + + // check for default filter ("none") before reporting RUBY_DEBUG error + if ( (string(filter_str) == "none") ) { + return false; // no error + } + + if (RUBY_DEBUG == false) { + cerr << "Error: User specified set of debug components, but the RUBY_DEBUG compile-time flag is false." << endl; + cerr << "Solution: Re-compile with RUBY_DEBUG set to true." << endl; + return true; // error + } + + if ( (string(filter_str) == "all") ) { + return false; // no error + } + + // scan string checking each character + for (unsigned int i = 0; i < strlen(filter_str); i++) { + bool unrecognized = checkFilter( filter_str[i] ); + if (unrecognized == true) { + return true; // error + } + } + return false; // no error +} + +bool Debug::setFilterString(const char *filter_str) +{ + if (checkFilterString(filter_str)) { + return true; // error + } + + if (string(filter_str) == "all" ) { + allFilter(); + } else if (string(filter_str) == "none") { + clearFilter(); + } else { + // scan string adding to bit mask for each component which is present + for (unsigned int i = 0; i < strlen(filter_str); i++) { + bool error = addFilter( filter_str[i] ); + if (error) { + return true; // error + } + } + } + return false; // no error +} + +bool Debug::addFilter(char ch) +{ + for (int i=0; i<NUMBER_OF_COMPS; i++) { + // Look at all components to find a character match + if (DEFINE_COMP_CHAR[i] == ch) { + // We found a match - update the filter bit mask + cout << " Debug: Adding to filter: '" << ch << "' (" << DEFINE_COMP_DESCRIPTION[i] << ")" << endl; + m_filter |= (1 << i); + return false; // no error + } + } + + // We didn't find the character + cerr << "Error: unrecognized component filter: " << ch << endl; + usageInstructions(); + return true; // error +} + +void Debug::clearFilter() +{ + m_filter = 0; +} + +void Debug::allFilter() +{ + m_filter = ~0; +} + +void Debug::usageInstructions(void) +{ + cerr << "Debug components: " << endl; + for (int i=0; i<NUMBER_OF_COMPS; i++) { + cerr << " " << DEFINE_COMP_CHAR[i] << ": " << DEFINE_COMP_DESCRIPTION[i] << endl; + } +} + +void Debug::print(ostream& out) const +{ + out << "[Debug]" << endl; +} + +void Debug::setDebugOutputFile (const char * filename) +{ + if ( (filename == NULL) || + (!strcmp(filename, "none")) ) { + debug_cout_ptr = &cout; + return; + } + + if (m_fout.is_open() ) { + m_fout.close (); + } + m_fout.open (filename, std::ios::out); + if (! m_fout.is_open() ) { + cerr << "setDebugOutputFile: can't open file " << filename << endl; + } + else { + debug_cout_ptr = &m_fout; + } +} + +void Debug::closeDebugOutputFile () +{ + if (m_fout.is_open() ) { + m_fout.close (); + debug_cout_ptr = &cout; + } +} + +void Debug::debugMsg( const char *fmt, ... ) +{ + va_list args; + + // you could check validDebug() here before printing the message + va_start(args, fmt); + vfprintf(stdout, fmt, args); + va_end(args); +} + +/* +void DEBUG_OUT( const char* fmt, ...) { + if (RUBY_DEBUG) { + cout << "Debug: in fn " + << __PRETTY_FUNCTION__ + << " in " << __FILE__ << ":" + << __LINE__ << ": "; + va_list args; + va_start(args, fmt); + vfprintf(stdout, fmt, args); + va_end(args); + } +} + +void ERROR_OUT( const char* fmt, ... ) { + if (ERROR_MESSAGE_FLAG) { + cout << "error: in fn " + << __PRETTY_FUNCTION__ << " in " + << __FILE__ << ":" + << __LINE__ << ": "; + va_list args; + va_start(args, fmt); + vfprintf(stdout, fmt, args); + va_end(args); + } + assert(0); +} +*/ + |