ci/cd tweaks

Note, QTextBrowser::setMarkdown() doesn't exist. Have to
use QTextBrowser::setText(). This will result in bad rendering.

.github/workflows/cmake.yml

@@ -27,7 +27,10 @@ jobs:
         modules: 'qtcharts'
 
     - name: Where Am I
-      run: pwd; ls -l; lscpu
+      run: |
+        pwd
+        ls -l
+        lscpu
 
     - name: Versions
       run: g++ --version
@@ -35,18 +38,35 @@ jobs:
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-      run: cd src; cmake -B ${{github.workspace}}/src/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+      run: |
+        cd src
+        cmake -B ${{github.workspace}}/src/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
 
     - name: Build
       # Build your program with the given configuration
-      run: cd src; cmake --build ${{github.workspace}}/src/build --config ${{env.BUILD_TYPE}} --target seergdb --parallel `grep -c processor /proc/cpuinfo`
+      run: |
+        cd src
+        cmake --build ${{github.workspace}}/src/build --config ${{env.BUILD_TYPE}} --target seergdb --parallel `grep -c processor /proc/cpuinfo`
 
-    - name: Build Result
-      run: cd src; ls -l build/
+    - name: Tar
+      run: |
+        cd src/build
+        cp ../../LICENSE .
+        cp ../../CHANGELOG.md .
+        tar zcvf seergdb.tar.gz LICENSE CHANGELOG.md seergdb
 
-    - name: Build Release
-      uses: AButler/upload-release-assets@v2.0
+    - name: List Results
+      run: |
+        cd src
+        ls -l build/
+
+    - name: Build Ubuntu Release
+      uses: marvinpinto/action-automatic-releases@latest
       with:
-        files: 'src/build/seergdb'
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        repo_token: ${{ secrets.GITHUB_TOKEN }}
+        automatic_release_tag: "latest"
+        prerelease: true
+        title: "Ubuntu Development Release"
+        files: |
+          src/build/seergdb.tar.gz
 

CHANGELOG.md

@@ -1,6 +1,14 @@
 
 # Seer Change Log
 
+## [1.12beta] - 2022-MM-DD
+
+* Added Gdb's Non-Stop mode.
+    - https://sourceware.org/gdb/onlinedocs/gdb/Non_002dStop-Mode.html
+    - A new --non-stop-mode <yes|no>  command line flag
+    - A new entry in the Debug dialog.
+    - A new entry in Seer's config dialog under the gdb section.
+
 ## [1.11] - 2022-09-26
 
 * Thread/Process manager.

README.md

@@ -99,7 +99,7 @@ The main view for Seer looks like:
 Open Dialog
 -----------
 
-When the open exectable dialog is invoked, it looks like this :
+When the open executable dialog is invoked, it looks like this :
 ![](images/opendialog.png)
 
 Seer Console

debian/changelog

@@ -1,4 +1,4 @@
-seer (1.11) UNRELEASED; urgency=medium
+seergdb (1.12beta) UNRELEASED; urgency=medium
 
   * Updated release.
 

scripts/change_versionnumber

@@ -7,9 +7,9 @@
 # Run from this 'script' directory.
 #
 
-# % cat ../src/CMakeLists.txt      | sed 's/^project(seer VERSION \b\S\+\b/project(seer VERSION x.x/g'
+# % cat ../src/CMakeLists.txt      | sed 's/^project(seergdb VERSION \b\S\+\b/project(seergdb VERSION x.x/g'
 # % cat ../src/SeerUtl.cpp         | sed 's/SEER_VERSION \"\b\S\+\b\"/SEER_VERSION "x.x"/g'
-# % cat ../debian/changelog        | sed 's/^seer (\b\S\+\b)/seer (x.x)/g'
+# % cat ../debian/changelog        | sed 's/^seergdb (\b\S\+\b)/seergdb (x.x)/g'
 # % vim ../CHANGELOG.md
 
 VERSION=""
@@ -51,13 +51,13 @@ VERSION_CMAKE="`echo $VERSION | sed -e s/beta/0/g`"
 echo "Changing Seer files to version ${VERSION}."
 
 echo "../debian/changelog"
-sed -i "s/^seer (\b\S\+\b)/seer ($VERSION)/g"                                       ../debian/changelog
+sed -i "s/^seergdb (\b\S\+\b)/seergdb ($VERSION)/g"                                         ../debian/changelog
 
 echo "../src/SeerUtl.cpp"
-sed -i "s/SEER_VERSION \"\b\S\+\b\"/SEER_VERSION \"$VERSION\"/g"                    ../src/SeerUtl.cpp
+sed -i "s/SEER_VERSION \"\b\S\+\b\"/SEER_VERSION \"$VERSION\"/g"                            ../src/SeerUtl.cpp
 
 echo "../src/CMakeLists.txt"
-sed -i "s/^project(seer VERSION \b\S\+\b/project(seer VERSION $VERSION_CMAKE/g"     ../src/CMakeLists.txt
+sed -i "s/^project(seergdb VERSION \b\S\+\b/project(seergdb VERSION $VERSION_CMAKE/g"       ../src/CMakeLists.txt
 
 echo "Done."
 

src/CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.1.0)
 
-project(seergdb VERSION 1.11 LANGUAGES CXX)
+project(seergdb VERSION 1.12.0 LANGUAGES CXX)
 
 set(PROJECT_NAME seergdb)
 

src/SeerAboutDialog.cpp

@@ -23,7 +23,11 @@ SeerAboutDialog::SeerAboutDialog (QWidget* parent) : QDialog(parent) {
     text.replace("VERSIONNUMBER", Seer::version());
 
     // Put the About text in as markdown. Move back to the begining.
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
     textBrowser->setMarkdown(text);
+#else
+    textBrowser->setText(text);
+#endif
     textBrowser->moveCursor (QTextCursor::Start);
 
     // Set the TextBrowser's background to the same as the window's.

src/SeerArrayVisualizerWidget.cpp

@@ -89,7 +89,7 @@ SeerArrayVisualizerWidget::SeerArrayVisualizerWidget (QWidget* parent) : QWidget
     QObject::connect(pointsCheckBox,                &QCheckBox::clicked,                                       this,            &SeerArrayVisualizerWidget::handlePointsCheckBox);
     QObject::connect(labelsCheckBox,                &QCheckBox::clicked,                                       this,            &SeerArrayVisualizerWidget::handleLabelsCheckBox);
 
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
     QObject::connect(lineTypeButtonGroup,           QOverload<int>::of(&QButtonGroup::idClicked),              this,            &SeerArrayVisualizerWidget::handleLineTypeButtonGroup);
 #else
     QObject::connect(lineTypeButtonGroup,           QOverload<int>::of(&QButtonGroup::buttonClicked),          this,            &SeerArrayVisualizerWidget::handleLineTypeButtonGroup);
@@ -301,14 +301,22 @@ void SeerArrayVisualizerWidget::handleText (const QString& text) {
 
         if (id_text.toInt() == _aVariableId) {
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
             QStringList words = Seer::filterEscapes(Seer::parseFirst(text, "value=", '"', '"', false)).split(' ', Qt::SkipEmptyParts);
+#else
+            QStringList words = Seer::filterEscapes(Seer::parseFirst(text, "value=", '"', '"', false)).split(' ', QString::SkipEmptyParts);
+#endif
 
             setAVariableAddress(words.first());
         }
 
         if (id_text.toInt() == _bVariableId) {
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
             QStringList words = Seer::filterEscapes(Seer::parseFirst(text, "value=", '"', '"', false)).split(' ', Qt::SkipEmptyParts);
+#else
+            QStringList words = Seer::filterEscapes(Seer::parseFirst(text, "value=", '"', '"', false)).split(' ', QString::SkipEmptyParts);
+#endif
 
             setBVariableAddress(words.first());
         }

src/SeerConfigDialog.cpp

@@ -129,6 +129,16 @@ bool SeerConfigDialog::gdbAsyncMode () const {
     return _gdbConfigPage->gdbAsyncMode();
 }
 
+void SeerConfigDialog::setGdbNonStopMode (bool flag) {
+
+    _gdbConfigPage->setGdbNonStopMode(flag);
+}
+
+bool SeerConfigDialog::gdbNonStopMode () const {
+
+    return _gdbConfigPage->gdbNonStopMode();
+}
+
 void SeerConfigDialog::setGdbHandleTerminatingException (bool flag) {
 
     _gdbConfigPage->setGdbHandleTerminatingException(flag);

src/SeerConfigDialog.h

@@ -32,6 +32,9 @@ class SeerConfigDialog : public QDialog, protected Ui::SeerConfigDialogForm {
         void                                setGdbAsyncMode                                 (bool flag);
         bool                                gdbAsyncMode                                    () const;
 
+        void                                setGdbNonStopMode                               (bool flag);
+        bool                                gdbNonStopMode                                  () const;
+
         void                                setGdbHandleTerminatingException                (bool flag);
         bool                                gdbHandleTerminatingException                   () const;
 

src/SeerDebugDialog.cpp

@@ -27,6 +27,7 @@ SeerDebugDialog::SeerDebugDialog (QWidget* parent) : QDialog(parent) {
     setBreakpointFunctionName("");
     setShowAssemblyTab(false);
     setRandomizeStartAddress(false);
+    setNonStopMode(false);
     setAttachPid(0);
     setConnectHostPort("");
     setCoreFilename("");
@@ -39,7 +40,7 @@ SeerDebugDialog::SeerDebugDialog (QWidget* parent) : QDialog(parent) {
     QObject::connect(breakpointInFunctionLineEdit,         &QLineEdit::textChanged,                            this, &SeerDebugDialog::handleBreakpointInFunctionLineEdit);
     QObject::connect(attachProgramPidToolButton,           &QToolButton::clicked,                              this, &SeerDebugDialog::handleProgramPidToolButton);
 
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
     QObject::connect(_runModeButtonGroup,                  QOverload<int>::of(&QButtonGroup::idClicked),       this, &SeerDebugDialog::handleRunModeChanged);
 #else
     QObject::connect(_runModeButtonGroup,                  QOverload<int>::of(&QButtonGroup::buttonClicked),   this, &SeerDebugDialog::handleRunModeChanged);
@@ -137,6 +138,14 @@ bool SeerDebugDialog::randomizeStartAddress () const {
     return randomizeStartAddressCheckBox->isChecked();
 }
 
+void SeerDebugDialog::setNonStopMode (bool flag) {
+    nonStopModeCheckBox->setChecked(flag);
+}
+
+bool SeerDebugDialog::nonStopMode () const {
+    return nonStopModeCheckBox->isChecked();
+}
+
 void SeerDebugDialog::setCoreFilename (const QString& coreFilename) {
     loadCoreFilenameLineEdit->setText(coreFilename);
 }
@@ -322,6 +331,7 @@ void SeerDebugDialog::handleRunModeChanged (int id) {
     breakpointInFunctionLineEdit->setEnabled(false);
     showAsseblyTabCheckBox->setEnabled(false);
     randomizeStartAddressCheckBox->setEnabled(false);
+    nonStopModeCheckBox->setEnabled(false);
 
     // ID == 2
     attachProgramPidLabel->setEnabled(false);
@@ -358,6 +368,7 @@ void SeerDebugDialog::handleRunModeChanged (int id) {
         breakpointInFunctionLineEdit->setEnabled(true);
         showAsseblyTabCheckBox->setEnabled(true);
         randomizeStartAddressCheckBox->setEnabled(true);
+        nonStopModeCheckBox->setEnabled(true);
     }
 
     // ID == 2

src/SeerDebugDialog.h

@@ -34,6 +34,8 @@ class SeerDebugDialog : public QDialog, protected Ui::SeerDebugDialogForm {
         bool                    showAssemblyTab                                 () const;
         void                    setRandomizeStartAddress                        (bool flag);
         bool                    randomizeStartAddress                           () const;
+        void                    setNonStopMode                                  (bool flag);
+        bool                    nonStopMode                                     () const;
 
         // Attach to a running process. "attach".
         void                    setAttachPid                                    (int pid);

src/SeerDebugDialog.ui

@@ -125,8 +125,8 @@
      <property name="title">
       <string>Launch Method</string>
      </property>
-     <layout class="QGridLayout" name="gridLayout_3">
-      <item row="0" column="0" colspan="2">
+     <layout class="QGridLayout" name="gridLayout_5">
+      <item row="0" column="0">
        <widget class="QRadioButton" name="runProgramRadioButton">
         <property name="toolTip">
          <string>Run the program.</string>
@@ -264,34 +264,48 @@
         </item>
        </layout>
       </item>
-      <item row="4" column="0" colspan="2">
-       <widget class="QCheckBox" name="showAsseblyTabCheckBox">
-        <property name="toolTip">
-         <string>Show Assembly tab at startup.</string>
-        </property>
-        <property name="text">
-         <string>Show Assembly tab</string>
-        </property>
-       </widget>
+      <item row="4" column="0" colspan="5">
+       <layout class="QGridLayout" name="gridLayout_3">
+        <item row="0" column="0">
+         <widget class="QCheckBox" name="showAsseblyTabCheckBox">
+          <property name="toolTip">
+           <string>Show Assembly tab at startup.</string>
+          </property>
+          <property name="text">
+           <string>Show Assembly tab</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QCheckBox" name="nonStopModeCheckBox">
+          <property name="toolTip">
+           <string>Allow other threads to continue if any thread reaches a breakpoint.</string>
+          </property>
+          <property name="text">
+           <string>Non-stop mode</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0" colspan="2">
+         <widget class="QCheckBox" name="randomizeStartAddressCheckBox">
+          <property name="toolTip">
+           <string>Randomize the process start address.</string>
+          </property>
+          <property name="text">
+           <string>Randomize start address</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
       </item>
-      <item row="5" column="0" colspan="2">
-       <widget class="QCheckBox" name="randomizeStartAddressCheckBox">
-        <property name="toolTip">
-         <string>Randomize the process start address.</string>
-        </property>
-        <property name="text">
-         <string>Randomize start address</string>
-        </property>
-       </widget>
-      </item>
-      <item row="6" column="0" colspan="5">
+      <item row="5" column="0" colspan="5">
        <widget class="Line" name="line_1">
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
         </property>
        </widget>
       </item>
-      <item row="7" column="0" colspan="2">
+      <item row="6" column="0" colspan="2">
        <widget class="QRadioButton" name="attachProgramRadioButton">
         <property name="toolTip">
          <string>Attach to an already running program.</string>
@@ -301,14 +315,14 @@
         </property>
        </widget>
       </item>
-      <item row="8" column="0">
+      <item row="7" column="0">
        <widget class="QLabel" name="attachProgramPidLabel">
         <property name="text">
          <string>Process PID</string>
         </property>
        </widget>
       </item>
-      <item row="8" column="1">
+      <item row="7" column="1">
        <widget class="QLineEdit" name="attachProgramPidLineEdit">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
@@ -330,7 +344,7 @@
         </property>
        </widget>
       </item>
-      <item row="8" column="2">
+      <item row="7" column="2">
        <widget class="QToolButton" name="attachProgramPidToolButton">
         <property name="toolTip">
          <string>Open a dialog to select a pid on the local system.</string>
@@ -340,7 +354,7 @@
         </property>
        </widget>
       </item>
-      <item row="8" column="3" colspan="2">
+      <item row="7" column="3" colspan="2">
        <spacer name="horizontalSpacer_3">
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
@@ -356,14 +370,14 @@
         </property>
        </spacer>
       </item>
-      <item row="9" column="0" colspan="5">
+      <item row="8" column="0" colspan="5">
        <widget class="Line" name="line_2">
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
         </property>
        </widget>
       </item>
-      <item row="10" column="0" colspan="2">
+      <item row="9" column="0" colspan="2">
        <widget class="QRadioButton" name="connectProgramRadioButton">
         <property name="toolTip">
          <string>Connect to an already running program started with gdbserver.</string>
@@ -373,14 +387,14 @@
         </property>
        </widget>
       </item>
-      <item row="11" column="0">
+      <item row="10" column="0">
        <widget class="QLabel" name="connectProgramHostPortLabel">
         <property name="text">
          <string>Gdbserver</string>
         </property>
        </widget>
       </item>
-      <item row="11" column="1" colspan="4">
+      <item row="10" column="1">
        <widget class="QLineEdit" name="connectProgramHostPortLineEdit">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
@@ -402,14 +416,14 @@
         </property>
        </widget>
       </item>
-      <item row="12" column="0">
+      <item row="11" column="0">
        <widget class="QLabel" name="connectProgramSerialLabel">
         <property name="text">
          <string>Serial</string>
         </property>
        </widget>
       </item>
-      <item row="12" column="1">
+      <item row="11" column="1">
        <widget class="QLineEdit" name="connectProgramBaudLineEdit">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
@@ -431,7 +445,7 @@
         </property>
        </widget>
       </item>
-      <item row="12" column="3" colspan="2">
+      <item row="11" column="2" colspan="3">
        <spacer name="horizontalSpacer_1">
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
@@ -447,14 +461,14 @@
         </property>
        </spacer>
       </item>
-      <item row="13" column="0">
+      <item row="12" column="0">
        <widget class="QLabel" name="connectProgramParityLabel">
         <property name="text">
          <string>Parity</string>
         </property>
        </widget>
       </item>
-      <item row="13" column="1">
+      <item row="12" column="1">
        <widget class="QComboBox" name="connectProgramParityComboBox">
         <property name="toolTip">
          <string>Serial port parity setting.</string>
@@ -476,7 +490,7 @@
         </item>
        </widget>
       </item>
-      <item row="13" column="3" colspan="2">
+      <item row="12" column="2" colspan="3">
        <spacer name="horizontalSpacer_2">
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
@@ -492,14 +506,14 @@
         </property>
        </spacer>
       </item>
-      <item row="14" column="0" colspan="5">
+      <item row="13" column="0" colspan="5">
        <widget class="Line" name="line_3">
         <property name="orientation">
          <enum>Qt::Horizontal</enum>
         </property>
        </widget>
       </item>
-      <item row="15" column="0" colspan="2">
+      <item row="14" column="0">
        <widget class="QRadioButton" name="loadCoreRadioButton">
         <property name="toolTip">
          <string>Load a core file to debug.</string>
@@ -509,14 +523,14 @@
         </property>
        </widget>
       </item>
-      <item row="16" column="0">
+      <item row="15" column="0">
        <widget class="QLabel" name="loadCoreFilenameLabel">
         <property name="text">
          <string>Core file</string>
         </property>
        </widget>
       </item>
-      <item row="16" column="1" colspan="3">
+      <item row="15" column="1" colspan="3">
        <widget class="QLineEdit" name="loadCoreFilenameLineEdit">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
@@ -532,7 +546,7 @@
         </property>
        </widget>
       </item>
-      <item row="16" column="4">
+      <item row="15" column="4">
        <widget class="QToolButton" name="loadCoreFilenameToolButton">
         <property name="toolTip">
          <string>Open a dialog to select a core file.</string>

src/SeerGdbConfigPage.cpp

@@ -11,7 +11,7 @@ SeerGdbConfigPage::SeerGdbConfigPage(QWidget* parent) : QWidget(parent) {
     // Connect things.
     QObject::connect(gdbProgramToolButton, &QToolButton::clicked,                                  this, &SeerGdbConfigPage::handleGdbProgramToolButton);
 
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
     QObject::connect(styleButtonGroup,     QOverload<int>::of(&QButtonGroup::idClicked),           this, &SeerGdbConfigPage::handleDprintfButtonGroup);
 #else
     QObject::connect(styleButtonGroup,     QOverload<int>::of(&QButtonGroup::buttonClicked),       this, &SeerGdbConfigPage::handleDprintfButtonGroup);
@@ -39,6 +39,11 @@ bool SeerGdbConfigPage::gdbAsyncMode () const {
     return gdbAsyncModeCheckBox->isChecked();
 }
 
+bool SeerGdbConfigPage::gdbNonStopMode () const {
+
+    return gdbNonStopModeCheckBox->isChecked();
+}
+
 bool SeerGdbConfigPage::gdbHandleTerminatingException () const {
 
     return gdbHandleTerminateExceptionCheckBox->isChecked();
@@ -69,6 +74,11 @@ void SeerGdbConfigPage::setGdbAsyncMode (bool flag) {
     gdbAsyncModeCheckBox->setChecked(flag);
 }
 
+void SeerGdbConfigPage::setGdbNonStopMode (bool flag) {
+
+    gdbNonStopModeCheckBox->setChecked(flag);
+}
+
 void SeerGdbConfigPage::setGdbHandleTerminatingException (bool flag) {
 
     gdbHandleTerminateExceptionCheckBox->setChecked(flag);
@@ -136,6 +146,7 @@ void SeerGdbConfigPage::reset () {
     setGdbProgram("/usr/bin/gdb");
     setGdbArguments("--interpreter=mi");
     setGdbAsyncMode(true);
+    setGdbNonStopMode(false);
     setGdbHandleTerminatingException(true);
     setGdbRandomizeStartAddress(false);
     setGdbEnablePrettyPrinting(true);

src/SeerGdbConfigPage.h

@@ -15,6 +15,7 @@ class SeerGdbConfigPage : public QWidget, protected Ui::SeerGdbConfigPage {
         QString                 gdbProgram                                      () const;
         QString                 gdbArguments                                    () const;
         bool                    gdbAsyncMode                                    () const;
+        bool                    gdbNonStopMode                                  () const;
         bool                    gdbHandleTerminatingException                   () const;
         bool                    gdbRandomizeStartAddress                        () const;
         bool                    gdbEnablePrettyPrinting                         () const;
@@ -22,6 +23,7 @@ class SeerGdbConfigPage : public QWidget, protected Ui::SeerGdbConfigPage {
         void                    setGdbProgram                                   (const QString& program);
         void                    setGdbArguments                                 (const QString& arguments);
         void                    setGdbAsyncMode                                 (bool flag);
+        void                    setGdbNonStopMode                               (bool flag);
         void                    setGdbHandleTerminatingException                (bool flag);
         void                    setGdbRandomizeStartAddress                     (bool flag);
         void                    setGdbEnablePrettyPrinting                      (bool flag);

src/SeerGdbConfigPage.ui

@@ -20,97 +20,6 @@
    <property name="bottomMargin">
     <number>0</number>
    </property>
-   <item row="0" column="0">
-    <widget class="QGroupBox" name="gdbGroupBox">
-     <property name="title">
-      <string>Gdb Settings</string>
-     </property>
-     <layout class="QGridLayout" name="gridLayout_2">
-      <item row="4" column="0">
-       <widget class="QCheckBox" name="gdbRandomizeStartAddressCheckBox">
-        <property name="toolTip">
-         <string>Randomize the process start address.</string>
-        </property>
-        <property name="text">
-         <string>Randomize start address</string>
-        </property>
-       </widget>
-      </item>
-      <item row="3" column="0" colspan="2">
-       <widget class="QCheckBox" name="gdbHandleTerminateExceptionCheckBox">
-        <property name="toolTip">
-         <string>Handle terminating exceptions when calling functions.</string>
-        </property>
-        <property name="text">
-         <string>Handle  terminating-exception</string>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="1">
-       <widget class="QLineEdit" name="gdbArgumentsLineEdit">
-        <property name="toolTip">
-         <string>Arguments to pass to the gdb debugger.</string>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="0">
-       <widget class="QLabel" name="gdbArgumentsLabel">
-        <property name="text">
-         <string>GDB arguments</string>
-        </property>
-       </widget>
-      </item>
-      <item row="0" column="2">
-       <widget class="QToolButton" name="gdbProgramToolButton">
-        <property name="toolTip">
-         <string>Open a file dialog to locate the gdb debugger.</string>
-        </property>
-        <property name="text">
-         <string/>
-        </property>
-        <property name="icon">
-         <iconset resource="resource.qrc">
-          <normaloff>:/seer/resources/RelaxLightIcons/document-open.svg</normaloff>:/seer/resources/RelaxLightIcons/document-open.svg</iconset>
-        </property>
-       </widget>
-      </item>
-      <item row="0" column="0">
-       <widget class="QLabel" name="gdbProgramLabel">
-        <property name="text">
-         <string>GDB program</string>
-        </property>
-       </widget>
-      </item>
-      <item row="2" column="0">
-       <widget class="QCheckBox" name="gdbAsyncModeCheckBox">
-        <property name="toolTip">
-         <string>Turn gdb 'async' mode on or off.</string>
-        </property>
-        <property name="text">
-         <string>GDB asycn mode</string>
-        </property>
-       </widget>
-      </item>
-      <item row="0" column="1">
-       <widget class="QLineEdit" name="gdbProgramLineEdit">
-        <property name="toolTip">
-         <string>Specify the path and name of the gdb debugger.</string>
-        </property>
-       </widget>
-      </item>
-      <item row="5" column="0">
-       <widget class="QCheckBox" name="gdbEnablePrettyPrintingCheckBox">
-        <property name="toolTip">
-         <string>Show variables with gdb's 'pretty-printing' system.</string>
-        </property>
-        <property name="text">
-         <string>Enable pretty-printing</string>
-        </property>
-       </widget>
-      </item>
-     </layout>
-    </widget>
-   </item>
    <item row="1" column="0">
     <widget class="QGroupBox" name="printPointGroupBox">
      <property name="title">
@@ -190,40 +99,14 @@
         </property>
        </widget>
       </item>
-      <item row="1" column="4">
-       <spacer name="horizontalSpacer_2">
-        <property name="orientation">
-         <enum>Qt::Horizontal</enum>
-        </property>
-        <property name="sizeHint" stdset="0">
-         <size>
-          <width>626</width>
-          <height>20</height>
-         </size>
-        </property>
-       </spacer>
-      </item>
-      <item row="2" column="4">
-       <spacer name="horizontalSpacer_3">
-        <property name="orientation">
-         <enum>Qt::Horizontal</enum>
-        </property>
-        <property name="sizeHint" stdset="0">
-         <size>
-          <width>626</width>
-          <height>20</height>
-         </size>
-        </property>
-       </spacer>
-      </item>
-      <item row="1" column="1" colspan="3">
+      <item row="1" column="1" colspan="4">
        <widget class="QLineEdit" name="functionLineEdit">
         <property name="toolTip">
          <string>The name of a function in your program to use.</string>
         </property>
        </widget>
       </item>
-      <item row="2" column="1" colspan="3">
+      <item row="2" column="1" colspan="4">
        <widget class="QLineEdit" name="channelLineEdit">
         <property name="toolTip">
          <string>The channel value, if required by the function.</string>
@@ -243,18 +126,22 @@
 &lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
 p, li { white-space: pre-wrap; }
 &lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Noto Sans'; font-size:10pt; font-weight:400; font-style:normal;&quot;&gt;
-&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Specify an alternate gdb program and alternate gdb flags.&lt;/span&gt;&lt;/p&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Specify an alternate gdb program and alternate gdb flags. &lt;/span&gt;&lt;/p&gt;
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-weight:600;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Changing many of these require saving the new configuration and restarting Seer to take effect&lt;/span&gt;.&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Note, Seer relies on the &amp;quot;mi&amp;quot; interpreter that is built into gdb. If a different debugger is used, it must provide that.  So, usually, the &amp;quot;--interpreter=mi&amp;quot; argument is a must.&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
-&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Async mode allows all gdb actions to happen in the background. This allows  interrupting of a running program possible. &lt;span style=&quot; font-weight:600;&quot;&gt;Changing this reqires saving the configuration and the restart of Seer to take effect&lt;/span&gt;.&lt;/p&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Async mode allows all gdb actions to happen in the background. This allows  interrupting of a running program possible. &lt;/p&gt;
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Non-stop mode, when turned on, will allow other threads to continue to run while another thread reaches a breakpoint.&lt;/p&gt;
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;The gdb debugger normally starts the process at the same address each time. The program's start address can be randomized.&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;A terminating-exception can happen when gdb  is asked to call a function in your program. Like printing the return value from a function. If the function throws an exception, gdb can handle it by suppressing the exception or allowing the program to terminate. See:&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,Liberation Mono,monospace'; color:#24292f; background-color:transparent;&quot;&gt;    unwind-on-terminating-exception on|off&lt;/span&gt;&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
-&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;The gdb debugger normally starts the process at the same address each time. The process start address can be randomized.&lt;/p&gt;
-&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Enabling pretty-printing allows gdb to present certain variables (like std::string) in a pleasing way. Otherwise, the contents of the variables are presented in their full description. (See gdb 'pretty-printing'). Once enabled, it can not be turned off for the Seer session.&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;br /&gt;&lt;/p&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Printpoints use the 'dprintf' command available in gdb. The output of 'dprintf' can be sent to the Seer Console ('call') or the GDB output tab ('gdb'). A value of 'agent' is meant for use with a gdbserver.&lt;/p&gt;
@@ -266,6 +153,108 @@ p, li { white-space: pre-wrap; }
      </property>
     </widget>
    </item>
+   <item row="0" column="0">
+    <widget class="QGroupBox" name="gdbGroupBox">
+     <property name="title">
+      <string>Gdb Settings</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_4">
+      <item row="0" column="0">
+       <widget class="QLabel" name="gdbProgramLabel">
+        <property name="text">
+         <string>GDB program</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QLineEdit" name="gdbProgramLineEdit">
+        <property name="toolTip">
+         <string>Specify the path and name of the gdb debugger.</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="2">
+       <widget class="QToolButton" name="gdbProgramToolButton">
+        <property name="toolTip">
+         <string>Open a file dialog to locate the gdb debugger.</string>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="resource.qrc">
+          <normaloff>:/seer/resources/RelaxLightIcons/document-open.svg</normaloff>:/seer/resources/RelaxLightIcons/document-open.svg</iconset>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="gdbArgumentsLabel">
+        <property name="text">
+         <string>GDB arguments</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QLineEdit" name="gdbArgumentsLineEdit">
+        <property name="toolTip">
+         <string>Arguments to pass to the gdb debugger.</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0" colspan="3">
+       <layout class="QGridLayout" name="gridLayout_2">
+        <item row="0" column="0">
+         <widget class="QCheckBox" name="gdbAsyncModeCheckBox">
+          <property name="toolTip">
+           <string>Turn gdb 'async' mode on or off.</string>
+          </property>
+          <property name="text">
+           <string>Asycn mode</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QCheckBox" name="gdbNonStopModeCheckBox">
+          <property name="text">
+           <string>Non-stop mode</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="2">
+         <widget class="QCheckBox" name="gdbRandomizeStartAddressCheckBox">
+          <property name="toolTip">
+           <string>Randomize the process start address.</string>
+          </property>
+          <property name="text">
+           <string>Randomize start address</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="QCheckBox" name="gdbHandleTerminateExceptionCheckBox">
+          <property name="toolTip">
+           <string>Handle terminating exceptions when calling functions.</string>
+          </property>
+          <property name="text">
+           <string>Handle  terminating-exception</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QCheckBox" name="gdbEnablePrettyPrintingCheckBox">
+          <property name="toolTip">
+           <string>Show variables with gdb's 'pretty-printing' system.</string>
+          </property>
+          <property name="text">
+           <string>Enable pretty-printing</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
   </layout>
   <zorder>gdbGroupBox</zorder>
   <zorder>textBrowser</zorder>

src/SeerGdbWidget.cpp

@@ -49,6 +49,7 @@ SeerGdbWidget::SeerGdbWidget (QWidget* parent) : QWidget(parent) {
     _gdbProgram                         = "/usr/bin/gdb";
     _gdbArguments                       = "--interpreter=mi";
     _gdbASyncMode                       = true;
+    _gdbNonStopMode                     = false;
     _assemblyShowAssemblyTabOnStartup   = false;
     _assemblyDisassemblyFlavor          = "att";
     _gdbHandleTerminatingException      = true;
@@ -449,6 +450,16 @@ bool SeerGdbWidget::gdbAsyncMode () const {
     return _gdbASyncMode;
 }
 
+void SeerGdbWidget::setGdbNonStopMode (bool flag) {
+
+    _gdbNonStopMode = flag;
+}
+
+bool SeerGdbWidget::gdbNonStopMode () const {
+
+    return _gdbNonStopMode;
+}
+
 void SeerGdbWidget::setGdbHandleTerminatingException (bool flag) {
 
     _gdbHandleTerminatingException = flag;
@@ -663,6 +674,13 @@ void SeerGdbWidget::handleGdbRunExecutable (const QString& breakMode) {
         if (gdbAsyncMode()) {
             handleGdbCommand("-gdb-set mi-async on"); // Turn on async mode so the 'interrupt' can happen.
         }
+
+        if (gdbNonStopMode()) {
+            handleGdbCommand("-gdb-set pagination off");
+            handleGdbCommand("-gdb-set non-stop on");
+        }else{
+            handleGdbCommand("-gdb-set non-stop off");
+        }
     }
 
     // Set dprint parameters.
@@ -944,12 +962,6 @@ void SeerGdbWidget::handleGdbCoreFileExecutable () {
         if (gdbAsyncMode()) {
             handleGdbCommand("-gdb-set mi-async on"); // Turn on async mode so the 'interrupt' can happen.
         }
-
-        if (gdbHandleTerminatingException()) {
-            handleGdbCommand("-gdb-set unwind-on-terminating-exception on"); // Turn on terminating exceptions when gdb calls the program's functions.
-        }else{
-            handleGdbCommand("-gdb-set unwind-on-terminating-exception off");
-        }
     }
 
     // Set dprint parameters.
@@ -1721,7 +1733,11 @@ void SeerGdbWidget::handleGdbDataDeleteExpressions (QString expressionids) {
 
     }else{
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
         QStringList ids = expressionids.split(' ', Qt::SkipEmptyParts);
+#else
+        QStringList ids = expressionids.split(' ', QString::SkipEmptyParts);
+#endif
 
         bool first = true;
         for (int i=0; i<ids.size(); i++) {
@@ -2273,7 +2289,11 @@ void SeerGdbWidget::startGdb () {
     _gdbProcess->setProgram(gdbProgram());
 
     // Build the gdb argument list.
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
     QStringList args = gdbArguments().split(' ', Qt::SkipEmptyParts);
+#else
+    QStringList args = gdbArguments().split(' ', QString::SkipEmptyParts);
+#endif
 
     // Give the gdb process the argument list.
     _gdbProcess->setArguments(args);

src/SeerGdbWidget.h

@@ -73,6 +73,9 @@ class SeerGdbWidget : public QWidget, protected Ui::SeerGdbWidgetForm {
         void                                setGdbAsyncMode                     (bool flag);
         bool                                gdbAsyncMode                        () const;
 
+        void                                setGdbNonStopMode                   (bool flag);
+        bool                                gdbNonStopMode                      () const;
+
         void                                setGdbHandleTerminatingException    (bool flag);
         bool                                gdbHandleTerminatingException       () const;
 
@@ -276,6 +279,7 @@ class SeerGdbWidget : public QWidget, protected Ui::SeerGdbWidgetForm {
         QString                             _gdbProgram;
         QString                             _gdbArguments;
         bool                                _gdbASyncMode;
+        bool                                _gdbNonStopMode;
         bool                                _gdbHandleTerminatingException;
         bool                                _gdbRandomizeStartAddress;
         bool                                _gdbEnablePrettyPrinting;

src/SeerHelpPageWidget.cpp

@@ -45,7 +45,11 @@ void SeerHelpPageWidget::loadFile (const QString& filename) {
 void SeerHelpPageWidget::loadText (const QString& text) {
 
     // Put the Help text in as markdown. Move back to the begining.
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
     textBrowser->setMarkdown(text);
+#else
+    textBrowser->setText(text);
+#endif
     textBrowser->moveCursor(QTextCursor::Start);
 }
 

src/SeerLibraryBrowserWidget.cpp

@@ -130,7 +130,11 @@ void SeerLibraryBrowserWidget::handleSearchLineEdit (const QString& text) {
 
         QList<QTreeWidgetItem*> matches;
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
         matches = libraryTreeWidget->findItems(text, Qt::MatchRegularExpression | Qt::MatchRecursive, 0);
+#else
+        matches = libraryTreeWidget->findItems(text, Qt::MatchRegExp | Qt::MatchRecursive, 0);
+#endif
 
         QList<QTreeWidgetItem*>::const_iterator it = matches.begin();
         QList<QTreeWidgetItem*>::const_iterator e  = matches.end();

src/SeerMainWindow.cpp

@@ -47,7 +47,11 @@ SeerMainWindow::SeerMainWindow(QWidget* parent) : QMainWindow(parent) {
     // Set up Styles menu.
     //
     _styleMenuActionGroup = new QActionGroup(this);
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
     _styleMenuActionGroup->setExclusionPolicy(QActionGroup::ExclusionPolicy::Exclusive);
+#else
+    _styleMenuActionGroup->setExclusive(true);
+#endif
     _styleMenuActionGroup->setEnabled(true);
     _styleMenuActionGroup->setVisible(true);
 
@@ -242,6 +246,14 @@ bool SeerMainWindow::executableRandomizeStartAddress () const {
     return gdbWidget->gdbRandomizeStartAddress();
 }
 
+void SeerMainWindow::setExecutableNonStopMode (bool flag) {
+    gdbWidget->setGdbNonStopMode(flag);
+}
+
+bool SeerMainWindow::executableNonStopMode () const {
+    return gdbWidget->gdbNonStopMode();
+}
+
 void SeerMainWindow::setExecutablePid (int pid) {
     gdbWidget->setExecutablePid(pid);
 }
@@ -333,6 +345,7 @@ void SeerMainWindow::handleFileDebug () {
     dlg.setBreakpointFunctionName(executableBreakpointFunctionName());
     dlg.setShowAssemblyTab(executableShowAssemblyTab());
     dlg.setRandomizeStartAddress(executableRandomizeStartAddress());
+    dlg.setNonStopMode(executableNonStopMode());
     dlg.setAttachPid(executablePid());
     dlg.setConnectHostPort(executableHostPort());
     dlg.setConnectSerialBaud(executableSerialBaud());
@@ -361,6 +374,7 @@ void SeerMainWindow::handleFileDebug () {
     setExecutableBreakpointFunctionName(dlg.breakpointFunctionName());
     setExecutableShowAssemblyTab(dlg.showAssemblyTab());
     setExecutableRandomizeStartAddress(dlg.randomizeStartAddress());
+    setExecutableNonStopMode(dlg.nonStopMode());
     setExecutablePid(dlg.attachPid());
     setExecutableHostPort(dlg.connectHostPort());
     setExecutableSerialBaud(dlg.connectSerialBaud());
@@ -373,6 +387,7 @@ void SeerMainWindow::handleFileDebug () {
 void SeerMainWindow::handleFileArguments () {
 
     SeerArgumentsDialog dlg(this);
+
     dlg.setExecutableArguments(executableArguments());
 
     int ret = dlg.exec();
@@ -438,6 +453,7 @@ void SeerMainWindow::handleSettingsConfiguration () {
     dlg.setGdbProgram(gdbWidget->gdbProgram());
     dlg.setGdbArguments(gdbWidget->gdbArguments());
     dlg.setGdbAsyncMode(gdbWidget->gdbAsyncMode());
+    dlg.setGdbNonStopMode(gdbWidget->gdbNonStopMode());
     dlg.setGdbHandleTerminatingException(gdbWidget->gdbHandleTerminatingException());
     dlg.setGdbRandomizeStartAddress(gdbWidget->gdbRandomizeStartAddress());
     dlg.setGdbEnablePrettyPrinting(gdbWidget->gdbEnablePrettyPrinting());
@@ -472,6 +488,7 @@ void SeerMainWindow::handleSettingsConfiguration () {
     gdbWidget->setGdbProgram(dlg.gdbProgram());
     gdbWidget->setGdbArguments(dlg.gdbArguments());
     gdbWidget->setGdbAsyncMode(dlg.gdbAsyncMode());
+    gdbWidget->setGdbNonStopMode(dlg.gdbNonStopMode());
     gdbWidget->setGdbHandleTerminatingException(dlg.gdbHandleTerminatingException());
     gdbWidget->setGdbRandomizeStartAddress(dlg.gdbRandomizeStartAddress());
     gdbWidget->setGdbEnablePrettyPrinting(dlg.gdbEnablePrettyPrinting());
@@ -840,6 +857,7 @@ void SeerMainWindow::writeConfigSettings () {
         settings.setValue("program",                    gdbWidget->gdbProgram());
         settings.setValue("arguments",                  gdbWidget->gdbArguments());
         settings.setValue("asyncmode",                  gdbWidget->gdbAsyncMode());
+        settings.setValue("nonstopmode",                gdbWidget->gdbNonStopMode());
         settings.setValue("handleterminatingexception", gdbWidget->gdbHandleTerminatingException());
         settings.setValue("randomizestartaddress",      gdbWidget->gdbRandomizeStartAddress());
         settings.setValue("enableprettyprinting",       gdbWidget->gdbEnablePrettyPrinting());
@@ -907,6 +925,7 @@ void SeerMainWindow::readConfigSettings () {
         gdbWidget->setGdbProgram(settings.value("program", "/usr/bin/gdb").toString());
         gdbWidget->setGdbArguments(settings.value("arguments", "--interpreter=mi").toString());
         gdbWidget->setGdbAsyncMode(settings.value("asyncmode", true).toBool());
+        gdbWidget->setGdbNonStopMode(settings.value("nonstopmode", false).toBool());
         gdbWidget->setGdbHandleTerminatingException(settings.value("handleterminatingexception", true).toBool());
         gdbWidget->setGdbRandomizeStartAddress(settings.value("randomizestartaddress", false).toBool());
         gdbWidget->setGdbEnablePrettyPrinting(settings.value("enableprettyprinting", true).toBool());

src/SeerMainWindow.h

@@ -35,6 +35,8 @@ class SeerMainWindow : public QMainWindow, protected Ui::SeerMainWindowForm {
         bool                        executableShowAssemblyTab           () const;
         void                        setExecutableRandomizeStartAddress  (bool flag);
         bool                        executableRandomizeStartAddress     () const;
+        void                        setExecutableNonStopMode            (bool flag);
+        bool                        executableNonStopMode               () const;
         void                        setExecutablePid                    (int pid);
         int                         executablePid                       () const;
         void                        setExecutableHostPort               (const QString& executableHostPort);

src/SeerMemoryVisualizerWidget.cpp

@@ -154,7 +154,11 @@ void SeerMemoryVisualizerWidget::handleText (const QString& text) {
 
         if (id_text.toInt() == _variableId) {
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
             QStringList words = Seer::filterEscapes(Seer::parseFirst(text, "value=", '"', '"', false)).split(' ', Qt::SkipEmptyParts);
+#else
+            QStringList words = Seer::filterEscapes(Seer::parseFirst(text, "value=", '"', '"', false)).split(' ', QString::SkipEmptyParts);
+#endif
 
             setVariableAddress(words.first());
         }

src/SeerSourceBrowserWidget.cpp

@@ -245,8 +245,11 @@ void SeerSourceBrowserWidget::handleSearchLineEdit (const QString& text) {
 
         QList<QTreeWidgetItem*> matches;
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
         matches = sourceTreeWidget->findItems(text, Qt::MatchRegularExpression | Qt::MatchRecursive, 0);
-      //matches = sourceTreeWidget->findItems(text, Qt::MatchWildcard | Qt::MatchRecursive, 0); // Unix style wildcarding. Needs preceeding '*' all the time.
+#else
+        matches = sourceTreeWidget->findItems(text, Qt::MatchRegExp | Qt::MatchRecursive, 0);
+#endif
 
         QList<QTreeWidgetItem*>::const_iterator it = matches.begin();
         QList<QTreeWidgetItem*>::const_iterator e  = matches.end();

src/SeerUtl.cpp

@@ -6,7 +6,7 @@
 // Increment this with every release on GitHub.
 // See scripts/change_versionnumber
 //
-#define SEER_VERSION "1.11"
+#define SEER_VERSION "1.12beta"
 
 namespace Seer {
 

src/build/README.cmake

@@ -7,7 +7,7 @@ Notes for building Seer with cmake.
 
 
 % make clean                            # Clean files.
-% make seer                             # Build Seer.
+% make seergdb                          # Build Seer.
 % sudo make install                     # Install it.
 
 % cmake --build . --config Release

src/seergdb.cpp

@@ -58,6 +58,9 @@ int main (int argc, char* argv[]) {
     QCommandLineOption startAddressRandomizeOption(QStringList()<<"sar"<<"start-address-randomize", QCoreApplication::translate("main", "Randomize the program's starting address. For --run or --start"), "yes|no");
     parser.addOption(startAddressRandomizeOption);
 
+    QCommandLineOption nonStopModeOption(QStringList()<<"nsm"<<"non-stop-mode", QCoreApplication::translate("main", "Continue to run other threads at breakpoints. For --run or --start"), "yes|no");
+    parser.addOption(nonStopModeOption);
+
     QCommandLineOption attachOption(QStringList()<<"attach", QCoreApplication::translate("main", "Attach to a locally running process."), "pid");
     parser.addOption(attachOption);
 
@@ -109,6 +112,7 @@ int main (int argc, char* argv[]) {
     QString executableBreakpointFunctionName;
     QString executableShowAssemblyTab;
     QString executableStartAddressRandomize;
+    QString executableNonStopMode;
     QString executableCoreFilename;
 
     if (parser.isSet(runOption)) {
@@ -138,6 +142,10 @@ int main (int argc, char* argv[]) {
         executableStartAddressRandomize = parser.value(startAddressRandomizeOption);
     }
 
+    if (parser.isSet(nonStopModeOption)) {
+        executableNonStopMode = parser.value(nonStopModeOption);
+    }
+
     if (parser.isSet(attachOption)) {
         launchMode = "attach";
 
@@ -206,6 +214,19 @@ int main (int argc, char* argv[]) {
         }
     }
 
+    if (executableNonStopMode != "") {
+        if (executableNonStopMode == "yes") {
+            seer.setExecutableNonStopMode(true);
+
+        }else if (executableNonStopMode == "no") {
+            seer.setExecutableNonStopMode(false);
+
+        }else{
+            printf("%s: Unknown --non-stop-mode option '%s'\n", qPrintable(QCoreApplication::applicationName()), qPrintable(executableNonStopMode));
+            return 1;
+        }
+    }
+
     seer.setExecutablePid(executablePid);
     seer.setExecutableHostPort(executableHostPort);
     seer.setExecutableCoreFilename(executableCoreFilename);

tests/hellodebugbreak/.gitignore

@@ -0,0 +1,2 @@
+hellodebugbreak
+

tests/hellodebugbreak/Makefile

@@ -0,0 +1,12 @@
+.PHONY: all
+all: hellodebugbreak
+
+
+hellodebugbreak: hellodebugbreak.c
+	g++ -g -o hellodebugbreak hellodebugbreak.c
+
+
+.PHONY: clean
+clean:
+	rm -f hellodebugbreak hellodebugbreak.o
+

tests/hellodebugbreak/debugbreak.h

@@ -0,0 +1,174 @@
+/* Copyright (c) 2011-2021, Scott Tsai
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 
+ * 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 HOLDER 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.
+ */
+#ifndef DEBUG_BREAK_H
+#define DEBUG_BREAK_H
+
+#ifdef _MSC_VER
+
+#define debug_break __debugbreak
+
+#else
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define DEBUG_BREAK_USE_TRAP_INSTRUCTION 1
+#define DEBUG_BREAK_USE_BULTIN_TRAP      2
+#define DEBUG_BREAK_USE_SIGTRAP          3
+
+#if defined(__i386__) || defined(__x86_64__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__inline__ static void trap_instruction(void)
+{
+	__asm__ volatile("int $0x03");
+}
+#elif defined(__thumb__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+/* FIXME: handle __THUMB_INTERWORK__ */
+__attribute__((always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'arm-linux-tdep.c' in GDB source.
+	 * Both instruction sequences below work. */
+#if 1
+	/* 'eabi_linux_thumb_le_breakpoint' */
+	__asm__ volatile(".inst 0xde01");
+#else
+	/* 'eabi_linux_thumb2_le_breakpoint' */
+	__asm__ volatile(".inst.w 0xf7f0a000");
+#endif
+
+	/* Known problem:
+	 * After a breakpoint hit, can't 'stepi', 'step', or 'continue' in GDB.
+	 * 'step' would keep getting stuck on the same instruction.
+	 *
+	 * Workaround: use the new GDB commands 'debugbreak-step' and
+	 * 'debugbreak-continue' that become available
+	 * after you source the script from GDB:
+	 *
+	 * $ gdb -x debugbreak-gdb.py <... USUAL ARGUMENTS ...>
+	 *
+	 * 'debugbreak-step' would jump over the breakpoint instruction with
+	 * roughly equivalent of:
+	 * (gdb) set $instruction_len = 2
+	 * (gdb) tbreak *($pc + $instruction_len)
+	 * (gdb) jump   *($pc + $instruction_len)
+	 */
+}
+#elif defined(__arm__) && !defined(__thumb__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'arm-linux-tdep.c' in GDB source,
+	 * 'eabi_linux_arm_le_breakpoint' */
+	__asm__ volatile(".inst 0xe7f001f0");
+	/* Known problem:
+	 * Same problem and workaround as Thumb mode */
+}
+#elif defined(__aarch64__) && defined(__APPLE__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_BULTIN_DEBUGTRAP
+#elif defined(__aarch64__)
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'aarch64-tdep.c' in GDB source,
+	 * 'aarch64_default_breakpoint' */
+	__asm__ volatile(".inst 0xd4200000");
+}
+#elif defined(__powerpc__)
+	/* PPC 32 or 64-bit, big or little endian */
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'rs6000-tdep.c' in GDB source,
+	 * 'rs6000_breakpoint' */
+	__asm__ volatile(".4byte 0x7d821008");
+
+	/* Known problem:
+	 * After a breakpoint hit, can't 'stepi', 'step', or 'continue' in GDB.
+	 * 'step' stuck on the same instruction ("twge r2,r2").
+	 *
+	 * The workaround is the same as ARM Thumb mode: use debugbreak-gdb.py
+	 * or manually jump over the instruction. */
+}
+#elif defined(__riscv)
+	/* RISC-V 32 or 64-bit, whether the "C" extension
+	 * for compressed, 16-bit instructions are supported or not */
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((always_inline))
+__inline__ static void trap_instruction(void)
+{
+	/* See 'riscv-tdep.c' in GDB source,
+	 * 'riscv_sw_breakpoint_from_kind' */
+	__asm__ volatile(".4byte 0x00100073");
+}
+#else
+	#define DEBUG_BREAK_IMPL DEBUG_BREAK_USE_SIGTRAP
+#endif
+
+
+#ifndef DEBUG_BREAK_IMPL
+#error "debugbreak.h is not supported on this target"
+#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_TRAP_INSTRUCTION
+__attribute__((always_inline))
+__inline__ static void debug_break(void)
+{
+	trap_instruction();
+}
+#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_BULTIN_DEBUGTRAP
+__attribute__((always_inline))
+__inline__ static void debug_break(void)
+{
+	__builtin_debugtrap();
+}
+#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_BULTIN_TRAP
+__attribute__((always_inline))
+__inline__ static void debug_break(void)
+{
+	__builtin_trap();
+}
+#elif DEBUG_BREAK_IMPL == DEBUG_BREAK_USE_SIGTRAP
+#include <signal.h>
+__attribute__((always_inline))
+__inline__ static void debug_break(void)
+{
+	raise(SIGTRAP);
+}
+#else
+#error "invalid DEBUG_BREAK_IMPL value"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ifdef _MSC_VER */
+
+#endif /* ifndef DEBUG_BREAK_H */

tests/hellodebugbreak/hellodebugbreak.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include "debugbreak.h"
+
+//
+// https://github.com/scottt/debugbreak
+//
+int fib(int n) {
+
+    int r;
+    if (n == 0 || n == 1) {
+        return 1;
+    }
+
+    r = fib(n-1) + fib(n-2);
+
+    if (r == 89) {
+        debug_break();
+    }
+    return r;
+}
+
+int main() {
+
+    printf("%d\n", fib(15));
+
+    return 0;
+}
+

tests/hellothreads2/.gitignore

@@ -1 +1 @@
-hellothreads
+hellothreads2

tests/hellothreads4/.gitignore

@@ -0,0 +1 @@
+hellothreads4

tests/hellothreads4/Makefile

@@ -0,0 +1,10 @@
+.PHONY: all
+all: hellothreads4
+
+hellothreads4: hellothreads4.cpp
+	g++ -g -pthread -o hellothreads4 hellothreads4.cpp
+
+.PHONY: clean
+clean:
+	rm -f hellothreads4 hellothreads4.o
+

tests/hellothreads4/hellothreads4.cpp

@@ -0,0 +1,43 @@
+//
+// CPP program to demonstrate multithreading
+//
+#include <iostream>
+#include <thread>
+#include <unistd.h>
+
+// A callable object
+class thread_obj {
+    public:
+        void operator() (int x) {
+            for (int i = 0; i < x; i++) {
+                std::cout << "Thread using function object as callable" << std::endl;
+                sleep(3);
+            }
+            sleep(1);
+        }
+};
+
+int main() {
+
+    // This thread is launched by using
+    // function object as callable
+    std::thread th3(thread_obj(), 3);
+    std::thread th4(thread_obj(), 3);
+    std::thread th5(thread_obj(), 3);
+    std::thread th6(thread_obj(), 3);
+    std::thread th7(thread_obj(), 3);
+    std::thread th8(thread_obj(), 3);
+    std::thread th9(thread_obj(), 3);
+
+    // Wait for thread t3 to finish
+    th3.join();
+    th4.join();
+    th5.join();
+    th6.join();
+    th7.join();
+    th8.join();
+    th9.join();
+
+    return 0;
+}
+