Improve dark theme for disassembly view

Contributed by STMicroelectronics

Change-Id: I6699a003e38c61f70d90d2b1856d4b4edc6032fb
Signed-off-by: Torbjörn Svensson <torbjorn.svensson@st.com>

dsf/org.eclipse.cdt.dsf.ui/build.properties

@@ -19,5 +19,6 @@ bin.includes = META-INF/,\
                plugin.properties,\
                about.html,\
                icons/,\
-               .options
+               .options,\
+               css/
 src.includes = about.html

dsf/org.eclipse.cdt.dsf.ui/css/e4-dark_dsf.css

@@ -0,0 +1,22 @@
+/*******************************************************************************
+ * Copyright (c) 2022 STMicroelectronics and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ ******************************************************************************/
+
+IEclipsePreferences#org-eclipse-cdt-dsf-ui:org-eclipse-cdt-dsf-ui {
+	preferences:
+		"disassembly.functionOffsetsColor=221,40,103"
+		"disassembly.addressColor=0,170,0"
+		"disassembly.codeBytesColor=221,40,103"
+		"disassembly.rulerBackgroundColor=47,47,47"
+		"disassembly.errorColor=221,40,103"
+		"disassembly.instructionColor=18,144,195"
+		"disassembly.sourceColor=200,200,200"
+		"disassembly.labelColor=255,191,38"
+}

dsf/org.eclipse.cdt.dsf.ui/plugin.xml

@@ -1024,4 +1024,13 @@
             id="org.eclipse.cdt.dsf.ui.simpleMapPersistableFactory">
       </factory>
    </extension>
+   <extension
+       point="org.eclipse.e4.ui.css.swt.theme">
+    <stylesheet
+          uri="css/e4-dark_dsf.css">
+       <themeid
+             refid="org.eclipse.e4.ui.css.theme.e4_dark">
+       </themeid>
+    </stylesheet>
+  </extension>
 </plugin>