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870 lines
22 KiB
870 lines
22 KiB
/* This file is part of the KDE libraries
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Copyright (C) 1997 Matthias Kalle Dalheimer (kalle@kde.org)
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2002 Holger Freyther (freyther@kde.org)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kdebug.h"
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#ifdef NDEBUG
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#undef kdDebug
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#endif
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#include "kdebugdcopiface.h"
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#include "tdeapplication.h"
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#include "tdeglobal.h"
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#include "kinstance.h"
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#include "kstandarddirs.h"
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#include <tqmessagebox.h>
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#include <tdelocale.h>
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#include <tqfile.h>
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#include <tqintdict.h>
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#include <tqstring.h>
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#include <tqdatetime.h>
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#include <tqpoint.h>
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#include <tqrect.h>
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#include <tqregion.h>
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#include <tqstringlist.h>
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#include <tqpen.h>
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#include <tqbrush.h>
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#include <tqsize.h>
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#include <kurl.h>
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#include <stdlib.h> // abort
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#include <unistd.h> // getpid
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#include <stdarg.h> // vararg stuff
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#include <ctype.h> // isprint
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#include <syslog.h>
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#include <errno.h>
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#include <cstring>
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#include <tdeconfig.h>
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#include "kstaticdeleter.h"
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#include <config.h>
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#ifdef HAVE_BACKTRACE
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#include BACKTRACE_H
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#ifdef HAVE_DLFCN_H
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#include <dlfcn.h>
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#endif
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#ifdef HAVE_ABI_CXA_DEMANGLE
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#include <cxxabi.h>
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#endif
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#include <link.h>
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#ifdef WITH_LIBBFD
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/* newer versions of libbfd require some autotools-specific macros to be defined */
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/* see binutils Bug 14243 and 14072 */
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#define PACKAGE tdelibs
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#define PACKAGE_VERSION TDE_VERSION
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#include <bfd.h>
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#ifdef HAVE_DEMANGLE_H
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#include <demangle.h>
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#endif // HAVE_DEMANGLE_H
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#endif // WITH_LIBBFD
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#endif // HAVE_BACKTRACE
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#ifdef HAVE_ALLOCA_H
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#include <alloca.h>
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#endif // HAVE_ALLOCA_H
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif // HAVE_STDINT_H
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class KDebugEntry;
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class KDebugEntry
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{
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public:
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KDebugEntry (int n, const TQCString& d) {number=n; descr=d;}
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unsigned int number;
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TQCString descr;
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};
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static TQIntDict<KDebugEntry> *KDebugCache;
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static KStaticDeleter< TQIntDict<KDebugEntry> > kdd;
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static TQCString getDescrFromNum(unsigned int _num)
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{
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if (!KDebugCache) {
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kdd.setObject(KDebugCache, new TQIntDict<KDebugEntry>( 601 ));
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// Do not call this deleter from ~TDEApplication
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TDEGlobal::unregisterStaticDeleter(&kdd);
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KDebugCache->setAutoDelete(true);
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}
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KDebugEntry *ent = KDebugCache->find( _num );
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if ( ent )
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return ent->descr;
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if ( !KDebugCache->isEmpty() ) // areas already loaded
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return TQCString();
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TQString filename(locate("config","kdebug.areas"));
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if (filename.isEmpty())
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return TQCString();
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TQFile file(filename);
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if (!file.open(IO_ReadOnly)) {
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tqWarning("Couldn't open %s", filename.local8Bit().data());
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file.close();
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return TQCString();
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}
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uint lineNumber=0;
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TQCString line(1024);
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int len;
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while (( len = file.readLine(line.data(),line.size()-1) ) > 0) {
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int i=0;
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++lineNumber;
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while (line[i] && line[i] <= ' ')
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i++;
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unsigned char ch=line[i];
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if ( !ch || ch =='#' || ch =='\n')
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continue; // We have an eof, a comment or an empty line
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if (ch < '0' && ch > '9') {
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tqWarning("Syntax error: no number (line %u)",lineNumber);
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continue;
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}
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const int numStart=i;
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do {
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ch=line[++i];
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} while ( ch >= '0' && ch <= '9');
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const TQ_ULONG number =line.mid(numStart,i).toULong();
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while (line[i] && line[i] <= ' ')
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i++;
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KDebugCache->insert(number, new KDebugEntry(number, line.mid(i, len-i-1)));
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}
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file.close();
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ent = KDebugCache->find( _num );
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if ( ent )
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return ent->descr;
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return TQCString();
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}
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enum DebugLevels {
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KDEBUG_INFO= 0,
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KDEBUG_WARN= 1,
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KDEBUG_ERROR= 2,
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KDEBUG_FATAL= 3
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};
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struct kDebugPrivate {
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kDebugPrivate() :
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oldarea(0), config(0) { }
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~kDebugPrivate() { delete config; }
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TQCString aAreaName;
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unsigned int oldarea;
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TDEConfig *config;
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};
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static kDebugPrivate *kDebug_data = 0;
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static KStaticDeleter<kDebugPrivate> pcd;
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static KStaticDeleter<KDebugDCOPIface> dcopsd;
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static KDebugDCOPIface* kDebugDCOPIface = 0;
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static void kDebugBackend( unsigned short nLevel, unsigned int nArea, const char *data)
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{
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if ( !kDebug_data )
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{
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pcd.setObject(kDebug_data, new kDebugPrivate());
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// Do not call this deleter from ~TDEApplication
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TDEGlobal::unregisterStaticDeleter(&pcd);
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// create the dcop interface if it has not been created yet
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if (!kDebugDCOPIface)
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{
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kDebugDCOPIface = dcopsd.setObject(kDebugDCOPIface, new KDebugDCOPIface);
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}
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}
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if (!kDebug_data->config && TDEGlobal::_instance )
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{
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kDebug_data->config = new TDEConfig("kdebugrc", false, false);
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kDebug_data->config->setGroup("0");
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//AB: this is necessary here, otherwise all output with area 0 won't be
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//prefixed with anything, unless something with area != 0 is called before
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if ( TDEGlobal::_instance )
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kDebug_data->aAreaName = TDEGlobal::instance()->instanceName();
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}
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if ( kDebug_data->oldarea != nArea ) {
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kDebug_data->oldarea = nArea;
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if( TDEGlobal::_instance ) {
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if ( nArea > 0 ) {
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kDebug_data->aAreaName = getDescrFromNum(nArea);
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}
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if ( nArea == 0 || kDebug_data->aAreaName.isEmpty() ) {
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kDebug_data->aAreaName = TDEGlobal::instance()->instanceName();
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}
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}
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}
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int nPriority = 0;
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TQString aCaption;
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/* Determine output */
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TQString key;
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switch( nLevel )
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{
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case KDEBUG_INFO:
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key = "InfoOutput";
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aCaption = "Info";
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nPriority = LOG_INFO;
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break;
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case KDEBUG_WARN:
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key = "WarnOutput";
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aCaption = "Warning";
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nPriority = LOG_WARNING;
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break;
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case KDEBUG_FATAL:
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key = "FatalOutput";
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aCaption = "Fatal Error";
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nPriority = LOG_CRIT;
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break;
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case KDEBUG_ERROR:
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default:
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/* Programmer error, use "Error" as default */
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key = "ErrorOutput";
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aCaption = "Error";
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nPriority = LOG_ERR;
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break;
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}
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short nOutput = -1;
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if ( kDebug_data->config ) {
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kDebug_data->config->setGroup( TQString::number(static_cast<int>(nArea)) );
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nOutput = kDebug_data->config->readNumEntry(key, -1);
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if( nOutput == -1 ) {
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kDebug_data->config->setGroup( TQString::fromAscii("Default") );
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nOutput = kDebug_data->config->readNumEntry(key, -1);
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}
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}
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// if no output mode is specified default to no stderr output
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// NOTE: don't set this to 4 (no output) because in that case you won't be
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// able to get any output from applications which don't create
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// TDEApplication objects.
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if ( nOutput == -1 ) {
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nOutput = 2;
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}
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// If the application doesn't have a TQApplication object it can't use
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// a messagebox, as well as in case of GUI is disabled.
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if ( nOutput == 1 && ( !kapp || !kapp->guiEnabled()) ) {
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nOutput = 2;
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} else if ( nOutput == 4 && nLevel != KDEBUG_FATAL ) {
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return;
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}
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const int BUF_SIZE = 4096;
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const int BUF_PID_SIZE = 20;
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char buf[BUF_SIZE];
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char buf_pid[BUF_PID_SIZE];
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strlcpy(buf, TQDateTime::currentDateTime().toString("[yyyy/MM/dd hh:mm:ss.zzz] ").ascii(), BUF_SIZE);
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if (!kDebug_data->aAreaName.isEmpty())
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{
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strlcat( buf, "[", BUF_SIZE );
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strlcat( buf, kDebug_data->aAreaName.data(), BUF_SIZE );
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strlcat( buf, "] ", BUF_SIZE );
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}
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snprintf(buf_pid, BUF_PID_SIZE, "[%d] ", getpid());
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strlcat(buf, buf_pid, BUF_SIZE);
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strlcat(buf, data, BUF_SIZE);
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// Output
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switch( nOutput )
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{
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case 0: // File
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{
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const char* aKey;
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switch( nLevel )
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{
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case KDEBUG_INFO:
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aKey = "InfoFilename";
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break;
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case KDEBUG_WARN:
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aKey = "WarnFilename";
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break;
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case KDEBUG_FATAL:
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aKey = "FatalFilename";
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break;
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case KDEBUG_ERROR:
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default:
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aKey = "ErrorFilename";
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break;
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}
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TQFile aOutputFile( kDebug_data->config->readPathEntry(aKey, "kdebug.dbg") );
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aOutputFile.open( IO_WriteOnly | IO_Append | IO_Raw );
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aOutputFile.writeBlock( buf, strlen( buf ) );
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aOutputFile.close();
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break;
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}
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case 1: // Message Box
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{
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// Since we are in tdecore here, we cannot use KMsgBox and use
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// TQMessageBox instead
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if ( !kDebug_data->aAreaName.isEmpty() )
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aCaption += TQString("(%1)").arg( TQString(kDebug_data->aAreaName) );
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TQMessageBox::warning( 0L, aCaption, data, i18n("&OK") );
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break;
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}
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case 2: // Shell
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{
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if (write( 2, buf, strlen( buf ) ) < 0) { //fputs( buf, stderr );
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// ERROR
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}
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break;
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}
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case 3: // syslog
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{
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syslog( nPriority, "%s", buf);
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break;
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}
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}
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// check if we should abort
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if( ( nLevel == KDEBUG_FATAL )
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&& ( !kDebug_data->config || kDebug_data->config->readNumEntry( "AbortFatal", 1 ) ) )
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abort();
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}
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kdbgstream& perror( kdbgstream &s) { return s << TQString(TQString::fromLocal8Bit(strerror(errno))); }
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kdbgstream kdDebug(int area) { return kdbgstream(area, KDEBUG_INFO); }
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kdbgstream kdDebug(bool cond, int area) { if (cond) return kdbgstream(area, KDEBUG_INFO); else return kdbgstream(0, 0, false); }
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kdbgstream kdError(int area) { return kdbgstream("ERROR: ", area, KDEBUG_ERROR); }
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kdbgstream kdError(bool cond, int area) { if (cond) return kdbgstream("ERROR: ", area, KDEBUG_ERROR); else return kdbgstream(0,0,false); }
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kdbgstream kdWarning(int area) { return kdbgstream("WARNING: ", area, KDEBUG_WARN); }
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kdbgstream kdWarning(bool cond, int area) { if (cond) return kdbgstream("WARNING: ", area, KDEBUG_WARN); else return kdbgstream(0,0,false); }
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kdbgstream kdFatal(int area) { return kdbgstream("FATAL: ", area, KDEBUG_FATAL); }
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kdbgstream kdFatal(bool cond, int area) { if (cond) return kdbgstream("FATAL: ", area, KDEBUG_FATAL); else return kdbgstream(0,0,false); }
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kdbgstream::kdbgstream(kdbgstream &str)
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: output(str.output), area(str.area), level(str.level), print(str.print)
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{
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str.output.truncate(0);
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}
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void kdbgstream::flush() {
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if (output.isEmpty() || !print)
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return;
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kDebugBackend( level, area, output.local8Bit().data() );
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output = TQString::null;
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}
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kdbgstream &kdbgstream::form(const char *format, ...)
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{
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char buf[4096];
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va_list arguments;
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va_start( arguments, format );
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vsnprintf( buf, sizeof(buf), format, arguments );
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va_end(arguments);
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*this << buf;
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return *this;
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}
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kdbgstream::~kdbgstream() {
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if (!output.isEmpty()) {
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fprintf(stderr, "ASSERT: debug output not ended with \\n\n");
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TQString backtrace = kdBacktrace();
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if (backtrace.ascii() != NULL) {
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fprintf(stderr, "%s", backtrace.latin1());
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}
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*this << '\n';
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}
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}
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kdbgstream& kdbgstream::operator<< (char ch)
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{
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if (!print) return *this;
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if (!isprint(ch))
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output += "\\x" + TQString::number( static_cast<uint>( ch ), 16 ).rightJustify(2, '0');
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else {
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output += ch;
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if (ch == '\n') flush();
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}
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return *this;
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}
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kdbgstream& kdbgstream::operator<< (TQChar ch)
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{
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if (!print) return *this;
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if (!ch.isPrint())
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output += "\\x" + TQString::number( ch.unicode(), 16 ).rightJustify(2, '0');
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else {
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output += ch;
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if (ch == TQChar('\n')) flush();
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}
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return *this;
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}
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kdbgstream& kdbgstream::operator<< (TQWidget* widget)
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{
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return *this << const_cast< const TQWidget* >( widget );
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}
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kdbgstream& kdbgstream::operator<< (const TQWidget* widget)
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{
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TQString string, temp;
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// -----
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if(widget==0)
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{
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string=(TQString)"[Null pointer]";
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} else {
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temp.setNum((ulong)widget, 16);
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string=(TQString)"["+widget->className()+" pointer "
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+ "(0x" + temp + ")";
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if(widget->name(0)==0)
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{
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string += " to unnamed widget, ";
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} else {
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string += (TQString)" to widget " + widget->name() + ", ";
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}
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string += "geometry="
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+ TQString().setNum(widget->width())
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+ "x"+TQString().setNum(widget->height())
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+ "+"+TQString().setNum(widget->x())
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+ "+"+TQString().setNum(widget->y())
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+ "]";
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}
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if (!print)
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{
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return *this;
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}
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output += string;
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if (output.at(output.length() -1 ) == TQChar('\n'))
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{
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flush();
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}
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return *this;
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}
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/*
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* either use 'output' directly and do the flush if needed
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* or use the TQString operator which calls the char* operator
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*
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*/
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kdbgstream& kdbgstream::operator<<( const TQDateTime& time) {
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*this << time.toString();
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return *this;
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}
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kdbgstream& kdbgstream::operator<<( const TQDate& date) {
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*this << TQString(date.toString());
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return *this;
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}
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kdbgstream& kdbgstream::operator<<( const TQTime& time ) {
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*this << TQString(time.toString());
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return *this;
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}
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kdbgstream& kdbgstream::operator<<( const TQPoint& p ) {
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*this << "(" << p.x() << ", " << p.y() << ")";
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return *this;
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}
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kdbgstream& kdbgstream::operator<<( const TQSize& s ) {
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*this << "[" << s.width() << "x" << s.height() << "]";
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return *this;
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}
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kdbgstream& kdbgstream::operator<<( const TQRect& r ) {
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*this << "[" << r.x() << "," << r.y() << " - " << r.width() << "x" << r.height() << "]";
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return *this;
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}
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kdbgstream& kdbgstream::operator<<( const TQRegion& reg ) {
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*this<< "[ ";
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TQMemArray<TQRect>rs=reg.rects();
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for (uint i=0;i<rs.size();++i)
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*this << TQString(TQString("[%1,%2 - %3x%4] ").arg(rs[i].x()).arg(rs[i].y()).arg(rs[i].width()).arg(rs[i].height() )) ;
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|
|
*this <<"]";
|
|
return *this;
|
|
}
|
|
kdbgstream& kdbgstream::operator<<( const KURL& u ) {
|
|
*this << u.prettyURL();
|
|
return *this;
|
|
}
|
|
kdbgstream& kdbgstream::operator<<( const TQStringList& l ) {
|
|
*this << "(";
|
|
*this << l.join(",");
|
|
*this << ")";
|
|
|
|
return *this;
|
|
}
|
|
kdbgstream& kdbgstream::operator<<( const TQColor& c ) {
|
|
if ( c.isValid() )
|
|
*this << TQString(c.name());
|
|
else
|
|
*this << "(invalid/default)";
|
|
return *this;
|
|
}
|
|
kdbgstream& kdbgstream::operator<<( const TQPen& p ) {
|
|
static const char* const s_penStyles[] = {
|
|
"NoPen", "SolidLine", "DashLine", "DotLine", "DashDotLine",
|
|
"DashDotDotLine" };
|
|
static const char* const s_capStyles[] = {
|
|
"FlatCap", "SquareCap", "RoundCap" };
|
|
*this << "[ style:";
|
|
*this << s_penStyles[ p.style() ];
|
|
*this << " width:";
|
|
*this << p.width();
|
|
*this << " color:";
|
|
if ( p.color().isValid() )
|
|
*this << TQString(p.color().name());
|
|
else
|
|
*this <<"(invalid/default)";
|
|
if ( p.width() > 0 ) // cap style doesn't matter, otherwise
|
|
{
|
|
*this << " capstyle:";
|
|
*this << s_capStyles[ p.capStyle() >> 4 ];
|
|
// join style omitted
|
|
}
|
|
*this <<" ]";
|
|
return *this;
|
|
}
|
|
kdbgstream& kdbgstream::operator<<( const TQBrush& b) {
|
|
static const char* const s_brushStyles[] = {
|
|
"NoBrush", "SolidPattern", "Dense1Pattern", "Dense2Pattern", "Dense3Pattern",
|
|
"Dense4Pattern", "Dense5Pattern", "Dense6Pattern", "Dense7Pattern",
|
|
"HorPattern", "VerPattern", "CrossPattern", "BDiagPattern", "FDiagPattern",
|
|
"DiagCrossPattern" };
|
|
|
|
*this <<"[ style: ";
|
|
*this <<s_brushStyles[ b.style() ];
|
|
*this <<" color: ";
|
|
// can't use operator<<(str, b.color()) because that terminates a kdbgstream (flushes)
|
|
if ( b.color().isValid() )
|
|
*this << TQString(b.color().name()) ;
|
|
else
|
|
*this <<"(invalid/default)";
|
|
if ( b.pixmap() )
|
|
*this <<" has a pixmap";
|
|
*this <<" ]";
|
|
return *this;
|
|
}
|
|
|
|
kdbgstream& kdbgstream::operator<<( const TQVariant& v) {
|
|
*this << "[variant: ";
|
|
*this << v.typeName();
|
|
// For now we just attempt a conversion to string.
|
|
// Feel free to switch(v.type()) and improve the output.
|
|
*this << " toString=";
|
|
*this << v.toString();
|
|
*this << "]";
|
|
return *this;
|
|
}
|
|
|
|
kdbgstream& kdbgstream::operator<<( const TQByteArray& data) {
|
|
if (!print) return *this;
|
|
output += '[';
|
|
unsigned int i = 0;
|
|
unsigned int sz = TQMIN( data.size(), 64 );
|
|
for ( ; i < sz ; ++i ) {
|
|
output += TQString::number( (unsigned char) data[i], 16 ).rightJustify(2, '0');
|
|
if ( i < sz )
|
|
output += ' ';
|
|
}
|
|
if ( sz < data.size() )
|
|
output += "...";
|
|
output += ']';
|
|
return *this;
|
|
}
|
|
|
|
#ifdef HAVE_BACKTRACE
|
|
struct BacktraceFunctionInfo {
|
|
const void *addr; //< the address of function returned by backtrace()
|
|
const char* fileName; //< the file of binary owning the function (e.g. shared library or current header)
|
|
const void *base; //< the base address there the binary is loaded to
|
|
uintptr_t offset; //< offset of the function in binary (base - address)
|
|
TQString functionName; //< mangled name of function
|
|
TQString prettyName; //< demangled name of function
|
|
TQString sourceName; //< name of source file function declared in
|
|
unsigned sourceLine; //< line where function defined
|
|
};
|
|
|
|
#ifdef WITH_LIBBFD
|
|
|
|
// load symbol table from file
|
|
asymbol** bfdLoadSymtab (bfd *abfd) {
|
|
long symCount; // count of entries in symbol table
|
|
long symtab_sz; // size of the table
|
|
asymbol** rv;
|
|
bfd_boolean dynamic = FALSE;
|
|
|
|
// make shure the file has symbol table
|
|
if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0){
|
|
return 0;
|
|
}
|
|
|
|
// determin the amount of space we'll need to store the table
|
|
symtab_sz = bfd_get_symtab_upper_bound (abfd);
|
|
if (symtab_sz == 0) {
|
|
symtab_sz = bfd_get_dynamic_symtab_upper_bound (abfd);
|
|
dynamic = TRUE;
|
|
}
|
|
if (symtab_sz < 0) {
|
|
return 0;
|
|
}
|
|
|
|
// allocate memory
|
|
rv = (asymbol **) malloc(symtab_sz); // dunno, why not malloc
|
|
if ( !rv ) {
|
|
return 0;
|
|
}
|
|
|
|
// actually load the table
|
|
if (dynamic) {
|
|
symCount = bfd_canonicalize_dynamic_symtab (abfd, rv);
|
|
} else {
|
|
symCount = bfd_canonicalize_symtab (abfd, rv);
|
|
}
|
|
|
|
if (symCount < 0) {
|
|
if (rv) {
|
|
free(rv);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
void bfdFillAdditionalFunctionsInfo(BacktraceFunctionInfo &func) {
|
|
static bool inited=0;
|
|
if (!inited) {
|
|
bfd_init();
|
|
inited=1;
|
|
}
|
|
|
|
bfd *abfd = bfd_openr(func.fileName, 0); // a bfd object
|
|
if( !abfd ) {
|
|
return;
|
|
}
|
|
|
|
// check format of the object
|
|
if( !bfd_check_format(abfd, bfd_object) ) {
|
|
bfd_close(abfd);
|
|
return;
|
|
}
|
|
|
|
// load symbol table
|
|
asymbol **syms= bfdLoadSymtab(abfd);
|
|
if(!syms) {
|
|
bfd_close(abfd);
|
|
return;
|
|
}
|
|
|
|
// found source file and line for given address
|
|
for (asection *sect = abfd->sections; sect != NULL; sect = sect->next) {
|
|
|
|
if (bfd_get_section_flags(abfd, sect) & SEC_ALLOC) {
|
|
bfd_vma sectStart = bfd_get_section_vma(abfd, sect);
|
|
bfd_vma sectEnd = sectStart + bfd_section_size(abfd, sect);
|
|
if (sectStart <= func.offset && func.offset < sectEnd) {
|
|
bfd_vma sectOffset = func.offset - sectStart;
|
|
const char* functionName;
|
|
const char* sourceName;
|
|
unsigned sourceLine;
|
|
if (bfd_find_nearest_line(abfd, sect, syms, sectOffset,
|
|
&sourceName, &functionName, &sourceLine))
|
|
{
|
|
func.sourceName = sourceName;
|
|
func.sourceLine = sourceLine;
|
|
if(func.functionName.isEmpty()) {
|
|
func.functionName = TQString::fromAscii(functionName);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#ifdef HAVE_DEMANGLE_H
|
|
if(func.prettyName.isEmpty() && !func.functionName.isEmpty()) {
|
|
char *demangled = bfd_demangle(abfd, func.functionName.ascii(), DMGL_AUTO | DMGL_PARAMS);
|
|
if (demangled) {
|
|
func.prettyName = demangled;
|
|
free(demangled);
|
|
}
|
|
}
|
|
#endif // HAVE_DEMANGLE_H
|
|
|
|
if( syms ) {
|
|
free(syms);
|
|
}
|
|
bfd_close(abfd);
|
|
}
|
|
|
|
#endif // WITH_LIBBFD
|
|
|
|
void fillAdditionalFunctionsInfo(BacktraceFunctionInfo &func) {
|
|
#ifdef WITH_LIBBFD
|
|
bfdFillAdditionalFunctionsInfo(func);
|
|
#endif // WITH_LIBBFD
|
|
|
|
#ifdef HAVE_ABI_CXA_DEMANGLE
|
|
if(func.prettyName.isEmpty() && !func.functionName.isEmpty()) {
|
|
int status=0;
|
|
char *demangled = abi::__cxa_demangle(func.functionName.ascii(), 0, 0, &status);
|
|
if (demangled) {
|
|
func.prettyName = demangled;
|
|
free(demangled);
|
|
}
|
|
}
|
|
#endif // HAVE_ABI_CXA_DEMANGLE
|
|
|
|
}
|
|
|
|
TQString formatBacktrace(void *addr) {
|
|
TQString rv;
|
|
BacktraceFunctionInfo func;
|
|
func.addr = addr;
|
|
|
|
// NOTE: if somebody would compile for some non-linux-glibc platform
|
|
// check if dladdr function is avalible there
|
|
Dl_info info;
|
|
|
|
// obtain information about the function.
|
|
#ifdef Q_OS_SOLARIS
|
|
dladdr((void *)func.addr, &info);
|
|
#else
|
|
dladdr(func.addr, &info);
|
|
#endif /* Solaris */
|
|
|
|
func.fileName = info.dli_fname;
|
|
func.base = info.dli_fbase;
|
|
func.offset = (uintptr_t)func.addr - (uintptr_t)func.base;
|
|
func.functionName = TQString::fromAscii(info.dli_sname);
|
|
func.sourceLine = 0;
|
|
|
|
fillAdditionalFunctionsInfo(func);
|
|
|
|
rv.sprintf("0x%0*lx", (int) sizeof(void*)*2, (uintptr_t) func.addr);
|
|
|
|
rv += " in ";
|
|
if (!func.prettyName.isEmpty()) {
|
|
rv += func.prettyName;
|
|
} else if (!func.functionName.isEmpty()) {
|
|
rv += func.functionName;
|
|
} else {
|
|
rv += "??";
|
|
}
|
|
|
|
if (!func.sourceName.isEmpty()) {
|
|
rv += " in ";
|
|
rv += func.sourceName;
|
|
rv += ":";
|
|
rv += func.sourceLine ? TQString::number(func.sourceLine) : "??";
|
|
} else if (func.fileName && func.fileName[0]) {
|
|
rv += TQString().sprintf(" from %s:0x%08lx",func.fileName, func.offset);
|
|
} else {
|
|
rv += " from ??";
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
#endif // HAVE_BACKTRACE
|
|
|
|
|
|
TQString kdBacktrace(int levels)
|
|
{
|
|
TQString rv;
|
|
#ifdef HAVE_BACKTRACE
|
|
if (levels < 0 || levels > 256 ) {
|
|
levels = 256;
|
|
}
|
|
|
|
rv = "[\n";
|
|
|
|
if (levels) {
|
|
#ifdef HAVE_ALLOCA
|
|
void** trace = (void**)alloca(levels * sizeof(void*));
|
|
#else // HAVE_ALLOCA
|
|
void* trace[256];
|
|
#endif // HAVE_ALLOCA
|
|
levels = backtrace(trace, levels);
|
|
|
|
if (levels) {
|
|
for (int i = 0; i < levels; ++i) {
|
|
rv += TQString().sprintf("#%-2d ", i);
|
|
rv += formatBacktrace(trace[i]);
|
|
rv += '\n';
|
|
}
|
|
} else {
|
|
rv += "backtrace() failed\n";
|
|
}
|
|
}
|
|
|
|
rv += "]\n";
|
|
#endif // HAVE_BACKTRACE
|
|
return rv;
|
|
}
|
|
|
|
// Keep for ABI compatability for some time
|
|
// FIXME remove this (2013-08-18, 18:09, Fat-Zer)
|
|
TQString kdBacktrace()
|
|
{
|
|
return kdBacktrace(-1 /*all*/);
|
|
}
|
|
|
|
void kdBacktraceFD(int fd) {
|
|
#ifdef HAVE_BACKTRACE
|
|
void *trace[256];
|
|
int levels;
|
|
|
|
levels = backtrace(trace, 256);
|
|
if (levels) {
|
|
backtrace_symbols_fd(trace, levels, fd);
|
|
}
|
|
#endif // HAVE_BACKTRACE
|
|
}
|
|
void kdClearDebugConfig()
|
|
{
|
|
if (kDebug_data) {
|
|
delete kDebug_data->config;
|
|
kDebug_data->config = 0;
|
|
}
|
|
}
|
|
|
|
|
|
// Needed for --enable-final
|
|
#ifdef NDEBUG
|
|
#define kdDebug kndDebug
|
|
#endif
|