Merge remote-tracking branch

'origin/GP-3960_ryanmkurtz_ElfLoader_swift_go--SQUASHED' (Closes #8795)

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/elf/ElfHeader.java

@@ -1070,7 +1070,7 @@ public class ElfHeader implements StructConverter {
 		return offset >= 0 && (offset + length) <= provider.length();
 	}
 
-	protected void parseSectionHeaders() throws IOException {
+	public void parseSectionHeaders() throws IOException {
 		if (reader == null) {
 			throw new IOException("ELF binary reader is null!");
 		}

Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/ElfLoader.java

@@ -20,8 +20,10 @@ import java.util.*;
 
 import ghidra.app.util.Option;
 import ghidra.app.util.bin.ByteProvider;
-import ghidra.app.util.bin.format.elf.ElfException;
+import ghidra.app.util.bin.format.elf.*;
-import ghidra.app.util.bin.format.elf.ElfHeader;
+import ghidra.app.util.bin.format.golang.GoConstants;
+import ghidra.app.util.bin.format.golang.rtti.GoRttiMapper;
+import ghidra.app.util.bin.format.swift.SwiftUtils;
 import ghidra.framework.model.DomainObject;
 import ghidra.framework.model.ProjectData;
 import ghidra.framework.options.Options;
@@ -102,8 +104,13 @@ public class ElfLoader extends AbstractLibrarySupportLoader {
 		try {
 			ElfHeader elf = new ElfHeader(provider, null);
 
-			List<QueryResult> results =
+			Set<QueryResult> results = new HashSet<>();
-				QueryOpinionService.query(getName(), elf.getMachineName(), elf.getFlags());
+			String machine = elf.getMachineName();
+			String compiler = detectCompilerName(elf);
+			if (compiler != null) {
+				results.addAll(QueryOpinionService.query(getName(), machine, compiler));
+			}
+			results.addAll(QueryOpinionService.query(getName(), machine, elf.getFlags()));
 			for (QueryResult result : results) {
 				boolean add = true;
 				// Some languages are defined with sizes smaller than 32
@@ -170,4 +177,25 @@ public class ElfLoader extends AbstractLibrarySupportLoader {
 	public String getName() {
 		return ELF_NAME;
 	}
+
+	/**
+	 * Attempts to detect a more specific compiler from the ELF
+	 * 
+	 * @param elf The {@link ElfHeader}
+	 * @return The detected compiler name, or {@code null} if one couldn't be detected
+	 * @throws IOException if an IO-related error occurred
+	 */
+	private String detectCompilerName(ElfHeader elf) throws IOException {
+		elf.parseSectionHeaders();
+		List<String> sectionNames = Arrays.stream(elf.getSections())
+				.map(ElfSectionHeader::getNameAsString)
+				.toList();
+		if (SwiftUtils.isSwift(sectionNames)) {
+			return SwiftUtils.SWIFT_COMPILER;
+		}
+		if (GoRttiMapper.hasGolangSections(sectionNames)) {
+			return GoConstants.GOLANG_CSPEC_NAME;
+		}
+		return null;
+	}
 }

Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/MachoLoader.java

@@ -531,7 +531,7 @@ public class MachoLoader extends AbstractLibrarySupportLoader {
 	 * Attempts to detect a more specific compiler from the Mach-O
 	 * 
 	 * @param machHeader The {@link MachHeader}
-	 * @return The detected compiler name, or {@code null} if one could be detected
+	 * @return The detected compiler name, or {@code null} if one couldn't be detected
 	 * @throws IOException if an IO-related error occurred
 	 */
 	private String detectCompilerName(MachHeader machHeader) throws IOException {

Ghidra/Processors/AARCH64/data/languages/AARCH64.ldefs

@@ -13,6 +13,7 @@
     <compiler name="default" spec="AARCH64.cspec" id="default"/>
     <compiler name="Visual Studio" spec="AARCH64_win.cspec" id="windows"/>
     <compiler name="golang" spec="AARCH64_golang.cspec" id="golang"/>
+    <compiler name="Swift" spec="AARCH64_swift.cspec" id="swift"/>
     <external_name tool="gnu" name="aarch64"/>
     <external_name tool="DWARF.register.mapping.file" name="AARCH64.dwarf"/>
     <external_name tool="Golang.register.info.file" name="AARCH64_golang.register.info"/>

Ghidra/Processors/AARCH64/data/languages/AARCH64.opinion

@@ -5,6 +5,12 @@
     <constraint loader="Executable and Linking Format (ELF)" compilerSpecID="default">
         <constraint primary="183"      processor="AARCH64"                     size="32" variant="ilp32" />
     </constraint>
+    <constraint loader="Executable and Linking Format (ELF)" compilerSpecID="golang">
+        <constraint primary="183" secondary="golang" processor="AARCH64" endian="little" size="64" variant="v8A" />
+    </constraint>
+    <constraint loader="Executable and Linking Format (ELF)" compilerSpecID="swift">
+        <constraint primary="183" secondary="swift" processor="AARCH64" endian="little" size="64" variant="v8A" />
+    </constraint>
     <constraint loader="Mac OS X Mach-O" compilerSpecID="default">
         <constraint primary="16777228" processor="AARCH64"     endian="little" size="64" variant="AppleSilicon" />
         <constraint primary="33554444" processor="AARCH64"     endian="little" size="32" variant="ilp32" />

Ghidra/Processors/x86/data/languages/x86.opinion

@@ -42,6 +42,12 @@
         <constraint primary="3"    processor="x86"      endian="little" size="32" />
         <constraint primary="62"   processor="x86"      endian="little" size="64"	variant="default" />
       </constraint>
+      <constraint compilerSpecID="swift">
+        <constraint primary="62" secondary="swift" processor="x86" endian="little" size="64" variant="default" />
+      </constraint>
+      <constraint compilerSpecID="golang">
+        <constraint primary="62" secondary="golang" processor="x86" endian="little" size="64" variant="default" />
+      </constraint>
     </constraint>
     <constraint loader="Module Definition (DEF)" compilerSpecID="windows">
         <constraint primary="0" processor="x86" endian="little" size="32" />