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Diffstat (limited to 'base/trace.cc')
| -rw-r--r-- | base/trace.cc | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/base/trace.cc b/base/trace.cc deleted file mode 100644 index 90db7f045..000000000 --- a/base/trace.cc +++ /dev/null @@ -1,350 +0,0 @@ -/* - * Copyright (c) 2001-2005 The Regents of The University of Michigan - * 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. - */ - -#include <ctype.h> -#include <fstream> -#include <iostream> -#include <list> -#include <string> -#include <vector> - -#include "base/misc.hh" -#include "base/trace.hh" -#include "base/str.hh" - -using namespace std; - -namespace Trace { -const string DefaultName("global"); -FlagVec flags(NumFlags, false); - -// -// This variable holds the output stream for debug information. Other -// than setting up/redirecting this stream, do *NOT* reference this -// directly; use DebugOut() (see below) to access this stream for -// output. -// -ostream *dprintf_stream = &cerr; - -ObjectMatch ignore; - -Log theLog; - -Log::Log() -{ - size = 0; - buffer = NULL; -} - - -void -Log::init(int _size) -{ - if (buffer != NULL) { - fatal("Trace::Log::init called twice!"); - } - - size = _size; - - buffer = new Record *[size]; - - for (int i = 0; i < size; ++i) { - buffer[i] = NULL; - } - - nextRecPtr = &buffer[0]; - wrapRecPtr = &buffer[size]; -} - - -Log::~Log() -{ - for (int i = 0; i < size; ++i) { - delete buffer[i]; - } - - delete [] buffer; -} - - -void -Log::append(Record *rec) -{ - // dump record to output stream if there's one open - if (dprintf_stream != NULL) { - rec->dump(*dprintf_stream); - } else { - rec->dump(cout); - } - - // no buffering: justget rid of it now - if (buffer == NULL) { - delete rec; - return; - } - - Record *oldRec = *nextRecPtr; - - if (oldRec != NULL) { - // log has wrapped: overwrite - delete oldRec; - } - - *nextRecPtr = rec; - - if (++nextRecPtr == wrapRecPtr) { - nextRecPtr = &buffer[0]; - } -} - - -void -Log::dump(ostream &os) -{ - if (buffer == NULL) { - return; - } - - Record **bufPtr = nextRecPtr; - - if (*bufPtr == NULL) { - // next record slot is empty: log must not be full yet. - // start dumping from beginning of buffer - bufPtr = buffer; - } - - do { - Record *rec = *bufPtr; - - rec->dump(os); - - if (++bufPtr == wrapRecPtr) { - bufPtr = &buffer[0]; - } - } while (bufPtr != nextRecPtr); -} - -PrintfRecord::~PrintfRecord() -{ - delete &args; -} - -void -PrintfRecord::dump(ostream &os) -{ - string fmt = ""; - - if (!name.empty()) { - fmt = "%s: " + fmt; - args.prepend(name); - } - - if (cycle != (Tick)-1) { - fmt = "%7d: " + fmt; - args.prepend(cycle); - } - - fmt += format; - - args.dump(os, fmt); - os.flush(); -} - -DataRecord::DataRecord(Tick _cycle, const string &_name, - const void *_data, int _len) - : Record(_cycle), name(_name), len(_len) -{ - data = new uint8_t[len]; - memcpy(data, _data, len); -} - -DataRecord::~DataRecord() -{ - delete [] data; -} - -void -DataRecord::dump(ostream &os) -{ - int c, i, j; - - for (i = 0; i < len; i += 16) { - ccprintf(os, "%d: %s: %08x ", cycle, name, i); - c = len - i; - if (c > 16) c = 16; - - for (j = 0; j < c; j++) { - ccprintf(os, "%02x ", data[i + j] & 0xff); - if ((j & 0xf) == 7 && j > 0) - ccprintf(os, " "); - } - - for (; j < 16; j++) - ccprintf(os, " "); - ccprintf(os, " "); - - for (j = 0; j < c; j++) { - int ch = data[i + j] & 0x7f; - ccprintf(os, - "%c", (char)(isprint(ch) ? ch : ' ')); - } - - ccprintf(os, "\n"); - - if (c < 16) - break; - } -} -} // namespace Trace - -// -// Returns the current output stream for debug information. As a -// wrapper around Trace::dprintf_stream, this handles cases where debug -// information is generated in the process of parsing .ini options, -// before we process the option that sets up the debug output stream -// itself. -// -std::ostream & -DebugOut() -{ - return *Trace::dprintf_stream; -} - -///////////////////////////////////////////// -// -// C-linkage functions for invoking from gdb -// -///////////////////////////////////////////// - -// -// Dump trace buffer to specified file (cout if NULL) -// -extern "C" -void -dumpTrace(const char *filename) -{ - if (filename != NULL) { - ofstream out(filename); - Trace::theLog.dump(out); - out.close(); - } - else { - Trace::theLog.dump(cout); - } -} - - -// -// Turn on/off trace output to cerr. Typically used when trace output -// is only going to circular buffer, but you want to see what's being -// sent there as you step through some code in gdb. This uses the -// same facility as the "trace to file" feature, and will print error -// messages rather than clobbering an existing ostream pointer. -// -extern "C" -void -echoTrace(bool on) -{ - if (on) { - if (Trace::dprintf_stream != NULL) { - cerr << "Already echoing trace to a file... go do a 'tail -f'" - << " on that file instead." << endl; - } else { - Trace::dprintf_stream = &cerr; - } - } else { - if (Trace::dprintf_stream != &cerr) { - cerr << "Not echoing trace to cerr." << endl; - } else { - Trace::dprintf_stream = NULL; - } - } -} - -extern "C" -void -printTraceFlags() -{ - using namespace Trace; - for (int i = 0; i < numFlagStrings; ++i) - if (flags[i]) - cprintf("%s\n", flagStrings[i]); -} - -void -tweakTraceFlag(const char *string, bool value) -{ - using namespace Trace; - std::string str(string); - - for (int i = 0; i < numFlagStrings; ++i) { - if (str != flagStrings[i]) - continue; - - int idx = i; - - if (idx < NumFlags) { - flags[idx] = value; - } else { - idx -= NumFlags; - if (idx >= NumCompoundFlags) { - ccprintf(cerr, "Invalid compound flag"); - return; - } - - const Flags *flagVec = compoundFlags[idx]; - - for (int j = 0; flagVec[j] != -1; ++j) { - if (flagVec[j] >= NumFlags) { - ccprintf(cerr, "Invalid compound flag"); - return; - } - flags[flagVec[j]] = value; - } - } - - cprintf("flag %s was %s\n", string, value ? "set" : "cleared"); - return; - } - - cprintf("could not find flag %s\n", string); -} - -extern "C" -void -setTraceFlag(const char *string) -{ - tweakTraceFlag(string, true); -} - -extern "C" -void -clearTraceFlag(const char *string) -{ - tweakTraceFlag(string, false); -} |