diff --git a/src/plugins/debugger/attachcoredialog.ui b/src/plugins/debugger/attachcoredialog.ui
index 680a603d3ba..1eab1b5dea6 100644
--- a/src/plugins/debugger/attachcoredialog.ui
+++ b/src/plugins/debugger/attachcoredialog.ui
@@ -70,20 +70,10 @@
      <item row="2" column="1">
       <widget class="Debugger::Internal::DebuggerToolChainComboBox" name="toolchainComboBox"/>
      </item>
-     <item row="3" column="0">
-      <widget class="QLabel" name="sysrootLabel">
-       <property name="text">
-        <string>Sys&amp;root:</string>
-       </property>
-       <property name="buddy">
-        <cstring>sysrootPathChooser</cstring>
-       </property>
-      </widget>
-     </item>
      <item row="3" column="1">
-      <widget class="Utils::PathChooser" name="sysrootPathChooser" native="true"/>
+      <widget class="Utils::PathChooser" name="overrideStartScriptFileName" native="true"/>
      </item>
-     <item row="4" column="0">
+     <item row="3" column="0">
       <widget class="QLabel" name="overrideStartScriptLabel">
        <property name="text">
         <string>Override &amp;start script:</string>
@@ -93,9 +83,6 @@
        </property>
       </widget>
      </item>
-     <item row="4" column="1">
-      <widget class="Utils::PathChooser" name="overrideStartScriptFileName" native="true"/>
-     </item>
     </layout>
    </item>
    <item>
diff --git a/src/plugins/debugger/debuggerdialogs.cpp b/src/plugins/debugger/debuggerdialogs.cpp
index 2e86f8dcad8..0f47f9166d1 100644
--- a/src/plugins/debugger/debuggerdialogs.cpp
+++ b/src/plugins/debugger/debuggerdialogs.cpp
@@ -34,6 +34,7 @@
 #include "debuggerstartparameters.h"
 
 #include "debuggerconstants.h"
+#include "debuggerprofileinformation.h"
 #include "debuggerstringutils.h"
 #include "cdb/cdbengine.h"
 #include "shared/hostutils.h"
@@ -47,6 +48,7 @@
 
 #include <coreplugin/icore.h>
 #include <projectexplorer/abi.h>
+#include <projectexplorer/profileinformation.h>
 #include <utils/historycompleter.h>
 #include <utils/qtcassert.h>
 #include <utils/synchronousprocess.h>
@@ -68,6 +70,7 @@
 #include <QStandardItemModel>
 #include <QGridLayout>
 
+using namespace ProjectExplorer;
 using namespace Utils;
 
 namespace Debugger {
@@ -191,9 +194,6 @@ AttachCoreDialog::AttachCoreDialog(QWidget *parent)
     m_ui->coreFileName->setExpectedKind(PathChooser::File);
     m_ui->coreFileName->setPromptDialogTitle(tr("Select Core File"));
 
-    m_ui->sysrootPathChooser->setExpectedKind(PathChooser::Directory);
-    m_ui->sysrootPathChooser->setPromptDialogTitle(tr("Select Sysroot"));
-
     m_ui->overrideStartScriptFileName->setExpectedKind(PathChooser::File);
     m_ui->overrideStartScriptFileName->setPromptDialogTitle(tr("Select Startup Script"));
 
@@ -232,37 +232,22 @@ void AttachCoreDialog::setCoreFile(const QString &fileName)
     changed();
 }
 
-ProjectExplorer::Abi AttachCoreDialog::abi() const
+Profile *AttachCoreDialog::profile() const
 {
-    return m_ui->toolchainComboBox->abi();
+    return m_ui->toolchainComboBox->profile();
 }
 
-void AttachCoreDialog::setAbiIndex(int i)
+void AttachCoreDialog::setProfileIndex(int i)
 {
     if (i >= 0 && i < m_ui->toolchainComboBox->count())
         m_ui->toolchainComboBox->setCurrentIndex(i);
 }
 
-int AttachCoreDialog::abiIndex() const
+int AttachCoreDialog::profileIndex() const
 {
     return m_ui->toolchainComboBox->currentIndex();
 }
 
-QString AttachCoreDialog::debuggerCommand()
-{
-    return m_ui->toolchainComboBox->debuggerCommand();
-}
-
-QString AttachCoreDialog::sysroot() const
-{
-    return m_ui->sysrootPathChooser->path();
-}
-
-void AttachCoreDialog::setSysroot(const QString &sysroot)
-{
-    m_ui->sysrootPathChooser->setPath(sysroot);
-}
-
 QString AttachCoreDialog::overrideStartScript() const
 {
     return m_ui->overrideStartScriptFileName->path();
@@ -394,27 +379,22 @@ QString AttachExternalDialog::executable() const
     return m_model->executableForPid(attachPIDText());
 }
 
-ProjectExplorer::Abi AttachExternalDialog::abi() const
+Profile *AttachExternalDialog::profile() const
 {
-    return m_ui->toolchainComboBox->abi();
+    return m_ui->toolchainComboBox->profile();
 }
 
-void AttachExternalDialog::setAbiIndex(int i)
+void AttachExternalDialog::setProfileIndex(int i)
 {
     if (i >= 0 && i < m_ui->toolchainComboBox->count())
         m_ui->toolchainComboBox->setCurrentIndex(i);
 }
 
-int AttachExternalDialog::abiIndex() const
+int AttachExternalDialog::profileIndex() const
 {
     return m_ui->toolchainComboBox->currentIndex();
 }
 
-QString AttachExternalDialog::debuggerCommand()
-{
-    return m_ui->toolchainComboBox->debuggerCommand();
-}
-
 void AttachExternalDialog::pidChanged(const QString &pid)
 {
     const bool enabled = !pid.isEmpty() && pid != QLatin1String("0") && pid != m_selfPid
@@ -607,14 +587,9 @@ QString StartExternalDialog::executableFile() const
     return m_ui->execFile->path();
 }
 
-ProjectExplorer::Abi StartExternalDialog::abi() const
+Profile *StartExternalDialog::profile() const
 {
-    return m_ui->toolChainComboBox->abi();
-}
-
-QString StartExternalDialog::debuggerCommand()
-{
-    return m_ui->toolChainComboBox->debuggerCommand();
+    return m_ui->toolChainComboBox->profile();
 }
 
 bool StartExternalDialog::isValid() const
@@ -695,10 +670,15 @@ bool StartExternalDialog::run(QWidget *parent,
         writeParameterHistory(history, settings, settingsGroup, arrayName);
     }
 
+    Profile *profile = dialog.profile();
+    QTC_ASSERT(profile, return false);
+    ToolChain *tc = ToolChainProfileInformation::toolChain(profile);
+    QTC_ASSERT(tc, return false);
+
     sp->executable = newParameters.executableFile;
     sp->startMode = StartExternal;
-    sp->toolChainAbi = dialog.abi();
-    sp->debuggerCommand = dialog.debuggerCommand();
+    sp->toolChainAbi = tc->targetAbi();
+    sp->debuggerCommand = DebuggerProfileInformation::debuggerCommand(profile).toString();
     sp->workingDirectory = newParameters.workingDirectory;
     sp->displayName = sp->executable;
     sp->useTerminal = newParameters.runInTerminal;
@@ -707,10 +687,10 @@ bool StartExternalDialog::run(QWidget *parent,
     // Fixme: 1 of 3 testing hacks.
     if (sp->processArgs.startsWith(QLatin1String("@tcf@ ")) || sp->processArgs.startsWith(QLatin1String("@sym@ ")))
         // Set up an ARM Symbian Abi
-        sp->toolChainAbi = ProjectExplorer::Abi(ProjectExplorer::Abi::ArmArchitecture,
-                                                ProjectExplorer::Abi::SymbianOS,
-                                                ProjectExplorer::Abi::SymbianDeviceFlavor,
-                                                ProjectExplorer::Abi::ElfFormat, false);
+        sp->toolChainAbi = Abi(Abi::ArmArchitecture,
+                               Abi::SymbianOS,
+                               Abi::SymbianDeviceFlavor,
+                               Abi::ElfFormat, false);
 
     sp->breakOnMain = newParameters.breakAtMain;
     return true;
@@ -870,12 +850,17 @@ bool StartRemoteDialog::run(QWidget *parent,
         writeParameterHistory(history, settings, settingsGroup, arrayName);
     }
 
+    Profile *profile = dialog.profile();
+    QTC_ASSERT(profile, return false);
+    ToolChain *tc = ToolChainProfileInformation::toolChain(profile);
+    QTC_ASSERT(tc, return false);
+
     sp->remoteChannel = newParameters.remoteChannel;
     sp->remoteArchitecture = newParameters.remoteArchitecture;
     sp->executable = newParameters.localExecutable;
     sp->displayName = tr("Remote: \"%1\"").arg(sp->remoteChannel);
-    sp->debuggerCommand = dialog.debuggerCommand();
-    sp->toolChainAbi = dialog.abi();
+    sp->debuggerCommand = DebuggerProfileInformation::debuggerCommand(profile).toString();
+    sp->toolChainAbi = tc->targetAbi();
     sp->overrideStartScript = newParameters.overrideStartScript;
     sp->useServerStartScript = newParameters.useServerStartScript;
     sp->serverStartScript = newParameters.serverStartScript;
@@ -933,14 +918,9 @@ void StartRemoteDialog::historyIndexChanged(int index)
     setParameters(v.value<StartRemoteParameters>());
 }
 
-ProjectExplorer::Abi StartRemoteDialog::abi() const
+Profile *StartRemoteDialog::profile() const
 {
-    return m_ui->toolchainComboBox->abi();
-}
-
-QString StartRemoteDialog::debuggerCommand() const
-{
-    return m_ui->toolchainComboBox->debuggerCommand();
+    return m_ui->toolchainComboBox->profile();
 }
 
 void StartRemoteDialog::setRemoteArchitectures(const QStringList &list)
diff --git a/src/plugins/debugger/debuggerdialogs.h b/src/plugins/debugger/debuggerdialogs.h
index 1243c685b44..69b20832aa6 100644
--- a/src/plugins/debugger/debuggerdialogs.h
+++ b/src/plugins/debugger/debuggerdialogs.h
@@ -33,10 +33,9 @@
 #ifndef DEBUGGER_DIALOGS_H
 #define DEBUGGER_DIALOGS_H
 
+#include <QDialog>
 #include <QHash>
 #include <QStringList>
-#include <QDialog>
-#include <QVBoxLayout>
 
 QT_BEGIN_NAMESPACE
 class QModelIndex;
@@ -46,7 +45,7 @@ class QDialogButtonBox;
 class QSettings;
 QT_END_NAMESPACE
 
-namespace ProjectExplorer { class Abi; }
+namespace ProjectExplorer { class Profile; }
 
 namespace Debugger {
 class DebuggerStartParameters;
@@ -80,13 +79,9 @@ public:
     QString executableFile() const;
     QString coreFile() const;
 
-    int abiIndex() const;
-    void setAbiIndex(int);
-    ProjectExplorer::Abi abi() const;
-    QString debuggerCommand();
-
-    QString sysroot() const;
-    void setSysroot(const QString &sysroot);
+    int profileIndex() const;
+    void setProfileIndex(int);
+    ProjectExplorer::Profile *profile() const;
 
     QString overrideStartScript() const;
     void setOverrideStartScript(const QString &scriptName);
@@ -111,12 +106,11 @@ public:
     qint64 attachPID() const;
     QString executable() const;
 
-    int abiIndex() const;
-    void setAbiIndex(int);
-    ProjectExplorer::Abi abi() const;
-    QString debuggerCommand();
+    int profileIndex() const;
+    void setProfileIndex(int);
+    ProjectExplorer::Profile *profile() const;
 
-    virtual void accept();
+    void accept();
 
 private slots:
     void rebuildProcessList();
@@ -156,9 +150,7 @@ private:
     QString executableFile() const;
     void setExecutableFile(const QString &executable);
 
-    ProjectExplorer::Abi abi() const;
-    QString debuggerCommand();
-
+    ProjectExplorer::Profile *profile() const;
     bool isValid() const;
 
     Ui::StartExternalDialog *m_ui;
@@ -186,8 +178,7 @@ private:
 
     void setRemoteArchitectures(const QStringList &list);
 
-    ProjectExplorer::Abi abi() const;
-    QString debuggerCommand() const;
+    ProjectExplorer::Profile *profile() const;
 
     Ui::StartRemoteDialog *m_ui;
 };
@@ -224,12 +215,12 @@ public:
     QString connection() const;
     void setConnection(const QString &);
 
-    virtual void accept();
-
 private slots:
     void textChanged(const QString &);
 
 private:
+    void accept();
+
     QPushButton *m_okButton;
     QLineEdit *m_lineEdit;
 };
@@ -243,12 +234,12 @@ public:
      void setAddress(quint64 a);
      quint64 address() const;
 
-     virtual void accept();
-
 private slots:
      void textChanged();
 
 private:
+     void accept();
+
      void setOkButtonEnabled(bool v);
      bool isOkButtonEnabled() const;
 
diff --git a/src/plugins/debugger/debuggerplugin.cpp b/src/plugins/debugger/debuggerplugin.cpp
index fecdfa25e7e..8a11ecefb21 100644
--- a/src/plugins/debugger/debuggerplugin.cpp
+++ b/src/plugins/debugger/debuggerplugin.cpp
@@ -1534,7 +1534,7 @@ void DebuggerPluginPrivate::startExternalApplication()
 void DebuggerPluginPrivate::attachExternalApplication()
 {
     AttachExternalDialog dlg(mainWindow());
-    dlg.setAbiIndex(configValue(_("LastAttachExternalAbiIndex")).toInt());
+    dlg.setProfileIndex(configValue(_("LastAttachExternalProfileIndex")).toInt());
 
     if (dlg.exec() != QDialog::Accepted)
         return;
@@ -1545,7 +1545,12 @@ void DebuggerPluginPrivate::attachExternalApplication()
         return;
     }
 
-    setConfigValue(_("LastAttachExternalAbiIndex"), QVariant(dlg.abiIndex()));
+    setConfigValue(_("LastAttachExternalProfileIndex"), QVariant(dlg.profileIndex()));
+
+    Profile *profile = dlg.profile();
+    QTC_ASSERT(profile, return);
+    ToolChain *tc = ToolChainProfileInformation::toolChain(profile);
+    QTC_ASSERT(tc, return);
 
     DebuggerStartParameters sp;
     sp.attachPID = dlg.attachPID();
@@ -1553,8 +1558,8 @@ void DebuggerPluginPrivate::attachExternalApplication()
     sp.executable = dlg.executable();
     sp.startMode = AttachExternal;
     sp.closeMode = DetachAtClose;
-    sp.toolChainAbi = dlg.abi();
-    sp.debuggerCommand = dlg.debuggerCommand();
+    sp.toolChainAbi = tc->targetAbi();
+    sp.debuggerCommand = DebuggerProfileInformation::debuggerCommand(profile).toString();
     if (DebuggerRunControl *rc = createDebugger(sp))
         startDebugger(rc);
 }
@@ -1576,8 +1581,7 @@ void DebuggerPluginPrivate::attachCore()
     AttachCoreDialog dlg(mainWindow());
     dlg.setExecutableFile(configValue(_("LastExternalExecutableFile")).toString());
     dlg.setCoreFile(configValue(_("LastExternalCoreFile")).toString());
-    dlg.setAbiIndex(configValue(_("LastExternalAbiIndex")).toInt());
-    dlg.setSysroot(configValue(_("LastSysroot")).toString());
+    dlg.setProfileIndex(configValue(_("LastExternalProfileIndex")).toInt());
     dlg.setOverrideStartScript(configValue(_("LastExternalStartScript")).toString());
 
     if (dlg.exec() != QDialog::Accepted)
@@ -1585,19 +1589,23 @@ void DebuggerPluginPrivate::attachCore()
 
     setConfigValue(_("LastExternalExecutableFile"), dlg.executableFile());
     setConfigValue(_("LastExternalCoreFile"), dlg.coreFile());
-    setConfigValue(_("LastExternalAbiIndex"), QVariant(dlg.abiIndex()));
-    setConfigValue(_("LastSysroot"), dlg.sysroot());
+    setConfigValue(_("LastExternalProfileIndex"), QVariant(dlg.profileIndex()));
     setConfigValue(_("LastExternalStartScript"), dlg.overrideStartScript());
 
+    Profile *profile = dlg.profile();
+    QTC_ASSERT(profile, return);
+    ToolChain *tc = ToolChainProfileInformation::toolChain(profile);
+    QTC_ASSERT(tc, return);
+
     DebuggerStartParameters sp;
     sp.executable = dlg.executableFile();
     sp.coreFile = dlg.coreFile();
     sp.displayName = tr("Core file \"%1\"").arg(dlg.coreFile());
     sp.startMode = AttachCore;
     sp.closeMode = DetachAtClose;
-    sp.debuggerCommand = dlg.debuggerCommand();
-    sp.toolChainAbi = dlg.abi();
-    sp.sysroot = dlg.sysroot();
+    sp.debuggerCommand = DebuggerProfileInformation::debuggerCommand(profile).toString();
+    sp.toolChainAbi = tc->targetAbi();
+    sp.sysroot = SysRootProfileInformation::sysRoot(profile).toString();
     sp.overrideStartScript = dlg.overrideStartScript();
     if (DebuggerRunControl *rc = createDebugger(sp))
         startDebugger(rc);
diff --git a/src/plugins/debugger/debuggertoolchaincombobox.cpp b/src/plugins/debugger/debuggertoolchaincombobox.cpp
index 31b3beb04a4..5e552b98774 100644
--- a/src/plugins/debugger/debuggertoolchaincombobox.cpp
+++ b/src/plugins/debugger/debuggertoolchaincombobox.cpp
@@ -46,10 +46,6 @@
 
 using namespace ProjectExplorer;
 
-typedef QPair<Abi, QString> AbiDebuggerCommandPair;
-
-Q_DECLARE_METATYPE(AbiDebuggerCommandPair)
-
 namespace Debugger {
 namespace Internal {
 
@@ -75,77 +71,50 @@ void DebuggerToolChainComboBox::init(bool hostAbiOnly)
         if (debuggerCommand.isEmpty())
             continue;
 
-        const AbiDebuggerCommandPair data(abi, debuggerCommand);
         const QString completeBase = QFileInfo(debuggerCommand).completeBaseName();
         const QString name = tr("%1 (%2)").arg(st->displayName(), completeBase);
-        addItem(name, qVariantFromValue(data));
+        addItem(name, qVariantFromValue(st->id()));
+        QString debugger = QDir::toNativeSeparators(debuggerCommand);
+        debugger.replace(QString(QLatin1Char(' ')), QLatin1String("&nbsp;"));
+        QString toolTip = tr("<html><head/><body><table>"
+            "<tr><td>ABI:</td><td><i>%1</i></td></tr>"
+            "<tr><td>Debugger:</td><td>%2</td></tr>")
+                .arg(st->displayName(), QDir::toNativeSeparators(debugger));
+        setItemData(count() - 1, toolTip, Qt::ToolTipRole);
     }
     setEnabled(count() > 1);
 }
 
-void DebuggerToolChainComboBox::setAbi(const Abi &abi)
+void DebuggerToolChainComboBox::setProfile(const Profile *profile)
 {
-    QTC_ASSERT(abi.isValid(), return);
+    QTC_ASSERT(profile->isValid(), return);
     const int c = count();
     for (int i = 0; i < c; i++) {
-        if (abiAt(i) == abi) {
+        if (profileAt(i) == profile) {
             setCurrentIndex(i);
             break;
         }
     }
 }
 
-Abi DebuggerToolChainComboBox::abi() const
+Profile *DebuggerToolChainComboBox::profile() const
 {
-    return abiAt(currentIndex());
+    return profileAt(currentIndex());
 }
 
-QString DebuggerToolChainComboBox::debuggerCommand() const
-{
-    return debuggerCommandAt(currentIndex());
-}
+//QString DebuggerToolChainComboBox::debuggerCommand() const
+//{
+//    int index = currentIndex();
+//    Core::Id id = qvariant_cast<Core::Id>(itemData(index));
+//    Profile *st = ProfileManager::instance()->find(id);
+//    QTC_ASSERT(st, return QString());
+//    return DebuggerProfileInformation::debuggerCommand(st).toString();
+//}
 
-QString DebuggerToolChainComboBox::debuggerCommandAt(int index) const
+Profile *DebuggerToolChainComboBox::profileAt(int index) const
 {
-    if (index >= 0 && index < count()) {
-        const AbiDebuggerCommandPair abiCommandPair = qvariant_cast<AbiDebuggerCommandPair>(itemData(index));
-        return abiCommandPair.second;
-    }
-    return QString();
-}
-
-Abi DebuggerToolChainComboBox::abiAt(int index) const
-{
-    if (index >= 0 && index < count()) {
-        const AbiDebuggerCommandPair abiCommandPair = qvariant_cast<AbiDebuggerCommandPair>(itemData(index));
-        return abiCommandPair.first;
-    }
-    return Abi();
-}
-
-static inline QString abiToolTip(const AbiDebuggerCommandPair &abiCommandPair)
-{
-    QString debugger = QDir::toNativeSeparators(abiCommandPair.second);
-    debugger.replace(QString(QLatin1Char(' ')), QLatin1String("&nbsp;"));
-    return DebuggerToolChainComboBox::tr(
-                "<html><head/><body><table><tr><td>ABI:</td><td><i>%1</i></td></tr>"
-                "<tr><td>Debugger:</td><td>%2</td></tr>").
-            arg(abiCommandPair.first.toString(),
-                QDir::toNativeSeparators(debugger));
-}
-
-bool DebuggerToolChainComboBox::event(QEvent *event)
-{
-    if (event->type() == QEvent::ToolTip) {
-        const int index = currentIndex();
-        if (index >= 0) {
-            const AbiDebuggerCommandPair abiCommandPair = qvariant_cast<AbiDebuggerCommandPair>(itemData(index));
-            setToolTip(abiToolTip(abiCommandPair));
-        } else {
-            setToolTip(QString());
-        }
-    }
-    return QComboBox::event(event);
+    Core::Id id = qvariant_cast<Core::Id>(itemData(index));
+    return ProfileManager::instance()->find(id);
 }
 
 } // namespace Debugger
diff --git a/src/plugins/debugger/debuggertoolchaincombobox.h b/src/plugins/debugger/debuggertoolchaincombobox.h
index 6501dedd2ac..4dbd05dc012 100644
--- a/src/plugins/debugger/debuggertoolchaincombobox.h
+++ b/src/plugins/debugger/debuggertoolchaincombobox.h
@@ -35,32 +35,27 @@
 
 #include <QComboBox>
 
-namespace ProjectExplorer {
-class Abi;
-}
+namespace ProjectExplorer { class Profile; }
 
 namespace Debugger {
 namespace Internal {
 
-// Let the user pick a tool chain/ABI associated with a debugger.
+// Let the user pick a profile associated with a debugger.
 class DebuggerToolChainComboBox : public QComboBox
 {
     Q_OBJECT
+
 public:
     explicit DebuggerToolChainComboBox(QWidget *parent);
 
     void init(bool hostAbiOnly);
 
-    void setAbi(const ProjectExplorer::Abi &abi);
-    ProjectExplorer::Abi abi() const;
-    QString debuggerCommand() const;
-
-protected:
-    virtual bool event(QEvent *event);
+    void setProfile(const ProjectExplorer::Profile *profile);
+    ProjectExplorer::Profile *profile() const;
+    //QString debuggerCommand() const;
 
 private:
-    QString debuggerCommandAt(int index) const;
-    ProjectExplorer::Abi abiAt(int index) const;
+    ProjectExplorer::Profile *profileAt(int index) const;
 };
 
 } // namespace Debugger