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/*
* Copyright (c) 2001-2006 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
#include <ctype.h>
#include <fstream>
#include <iostream>
#include <list>
#include <string>
#include <vector>
#include "base/misc.hh"
#include "base/output.hh"
#include "base/str.hh"
#include "base/trace.hh"
#include "base/varargs.hh"
using namespace std;
namespace Trace {
const string DefaultName("global");
FlagVec flags(NumFlags, false);
bool enabled = 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;
ostream &
output()
{
return *dprintf_stream;
}
void
setOutput(const string &filename)
{
dprintf_stream = simout.find(filename);
}
ObjectMatch ignore;
void
dprintf(Tick when, const std::string &name, const char *format,
CPRINTF_DEFINITION)
{
if (!name.empty() && ignore.match(name))
return;
std::ostream &os = *dprintf_stream;
string fmt = "";
CPrintfArgsList args(VARARGS_ALLARGS);
if (!name.empty()) {
fmt = "%s: " + fmt;
args.push_front(name);
}
if (when != (Tick)-1) {
fmt = "%7d: " + fmt;
args.push_front(when);
}
fmt += format;
ccprintf(os, fmt.c_str(), args);
os.flush();
}
void
dump(Tick when, const std::string &name, const void *d, int len)
{
if (!name.empty() && ignore.match(name))
return;
std::ostream &os = *dprintf_stream;
string fmt = "";
CPrintfArgsList args;
if (!name.empty()) {
fmt = "%s: " + fmt;
args.push_front(name);
}
if (when != (Tick)-1) {
fmt = "%7d: " + fmt;
args.push_front(when);
}
const char *data = static_cast<const char *>(d);
int c, i, j;
for (i = 0; i < len; i += 16) {
ccprintf(os, fmt, args);
ccprintf(os, "%08x ", 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;
}
}
bool
changeFlag(const char *s, bool value)
{
using namespace Trace;
std::string str(s);
for (int i = 0; i < numFlagStrings; ++i) {
if (str != flagStrings[i])
continue;
if (i < NumFlags) {
flags[i] = value;
} else {
i -= NumFlags;
const Flags *flagVec = compoundFlags[i];
for (int j = 0; flagVec[j] != -1; ++j) {
if (flagVec[j] < NumFlags)
flags[flagVec[j]] = value;
}
}
return true;
}
// the flag was not found.
return false;
}
void
dumpStatus()
{
using namespace Trace;
for (int i = 0; i < numFlagStrings; ++i) {
if (flags[i])
cprintf("%s\n", flagStrings[i]);
}
}
/* namespace Trace */ }
// add a set of functions that can easily be invoked from gdb
extern "C" {
void
setTraceFlag(const char *string)
{
Trace::changeFlag(string, true);
}
void
clearTraceFlag(const char *string)
{
Trace::changeFlag(string, false);
}
void
dumpTraceStatus()
{
Trace::dumpStatus();
}
/* extern "C" */ }
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