Support Loongarch64

CHANGES.md

@@ -9,6 +9,7 @@ Features
 --------
 * [#1433](https://github.com/java-native-access/jna/pull/1433): Add `CFEqual`, `CFDictionaryRef.ByReference`, `CFStringRef.ByReference` to `c.s.j.p.mac.CoreFoundation` - [@shalupov](https://github.com/shalupov)
 * [#978](https://github.com/java-native-access/jna/issues/978): Remove use of finalizers in JNA and improve concurrency for `Memory`, `CallbackReference` and `NativeLibrary` - [@matthiasblaesing](https://github.com/matthiasblaesing).
+* [#1440](https://github.com/java-native-access/jna/pull/1440): Support for LoongArch64 - [@Panxuefeng-loongson](https://github.com/Panxuefeng-loongson).
 
 Bug Fixes
 ---------

build.xml

@@ -529,6 +529,8 @@ com/sun/jna/linux-mips64el/libjnidispatch.so;
 processor=mips64el;osname=linux,
 com/sun/jna/linux-s390x/libjnidispatch.so;
 processor=S390x;osname=linux,
+com/sun/jna/linux-loongarch64/libjnidispatch.so;
+processor=loongarch64;osname=linux,
 
 com/sun/jna/freebsd-x86/libjnidispatch.so;
 processor=x86;osname=freebsd,
@@ -638,6 +640,9 @@ osname=macosx;processor=aarch64
       <zipfileset src="${lib.native}/linux-mips64el.jar"
                   includes="*jnidispatch*"
                   prefix="com/sun/jna/linux-mips64el"/>
+      <zipfileset src="${lib.native}/linux-loongarch64.jar"
+                  includes="*jnidispatch*"
+                  prefix="com/sun/jna/linux-loongarch64"/>
       <zipfileset src="${lib.native}/linux-s390x.jar"
                   includes="*jnidispatch*"
                   prefix="com/sun/jna/linux-s390x"/>
@@ -851,6 +856,7 @@ osname=macosx;processor=aarch64
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-ppc64le.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-sparcv9.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-mips64el.jar" overwrite="true"/>
+    <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-loongarch64.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-s390x.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/linux-riscv64.jar" overwrite="true"/>
     <copy file="${lib.native}/out-of-date.jar" tofile="${lib.native}/freebsd-x86.jar" overwrite="true"/>

src/com/sun/jna/Native.java

@@ -250,7 +250,7 @@ static boolean isCompatibleVersion(String expectedVersion, String nativeVersion)
             setProtected(true);
         }
         MAX_ALIGNMENT = Platform.isSPARC() || Platform.isWindows()
-            || (Platform.isLinux() && (Platform.isARM() || Platform.isPPC() || Platform.isMIPS()))
+            || (Platform.isLinux() && (Platform.isARM() || Platform.isPPC() || Platform.isMIPS() || Platform.isLoongArch()))
             || Platform.isAIX()
             || (Platform.isAndroid() && !Platform.isIntel())
             ? 8 : LONG_SIZE;

src/com/sun/jna/Platform.java

@@ -195,6 +195,7 @@ public static final boolean is64Bit() {
             || "ppc64".equals(ARCH) || "ppc64le".equals(ARCH)
             || "sparcv9".equals(ARCH)
             || "mips64".equals(ARCH) || "mips64el".equals(ARCH)
+            || "loongarch64".equals(ARCH)
             || "amd64".equals(ARCH)
             || "aarch64".equals(ARCH)) {
             return true;
@@ -234,6 +235,10 @@ public static final boolean isMIPS() {
         return false;
     }
 
+    public static final boolean isLoongArch() {
+        return ARCH.startsWith("loongarch");
+    }
+
     static String getCanonicalArchitecture(String arch, int platform) {
         arch = arch.toLowerCase().trim();
         if ("powerpc".equals(arch)) {

src/com/sun/jna/Structure.java

@@ -2081,7 +2081,7 @@ public FFIType(Structure ref) {
                     }
                 }
                 if ((Platform.isIntel() && Platform.is64Bit() && !Platform.isWindows())
-                    || Platform.isARM()) {
+                    || Platform.isARM() || Platform.isLoongArch()) {
                     // System V x86-64 ABI requires, that in a union aggregate,
                     // that contains Integer and Double members, the parameters
                     // must be passed in the integer registers. I.e. in the case
@@ -2091,7 +2091,7 @@ public FFIType(Structure ref) {
                     // passing method would be used.
                     //
                     // It was observed, that the same behaviour is visible on
-                    // arm/aarch64.
+                    // arm/aarch64/loongarch64.
                     if(hasInteger && isFloatType(unionType)) {
                         unionType = new FFIType(unionType);
                         if(unionType.size.intValue() == 4) {