commit d0523302416bc6507696f20d1068f16427bcf6b8
Author: Andrew Hughes <gnu.andrew@redhat.com>
Date:   Thu Aug 24 01:23:49 2023 +0100

    8009550: PlatformPCSC should load versioned so

diff --git a/src/java.base/share/classes/sun/security/util/Debug.java b/src/java.base/share/classes/sun/security/util/Debug.java
index bff273c6548..e5a6b288ff8 100644
--- a/src/java.base/share/classes/sun/security/util/Debug.java
+++ b/src/java.base/share/classes/sun/security/util/Debug.java
@@ -81,6 +81,7 @@ public static void Help()
         System.err.println("logincontext  login context results");
         System.err.println("jca           JCA engine class debugging");
         System.err.println("keystore      KeyStore debugging");
+        System.err.println("pcsc          Smartcard library debugging");
         System.err.println("policy        loading and granting");
         System.err.println("provider      security provider debugging");
         System.err.println("pkcs11        PKCS11 session manager debugging");
diff --git a/src/java.smartcardio/unix/classes/sun/security/smartcardio/PlatformPCSC.java b/src/java.smartcardio/unix/classes/sun/security/smartcardio/PlatformPCSC.java
index bacff32efbc..d9f605ada1e 100644
--- a/src/java.smartcardio/unix/classes/sun/security/smartcardio/PlatformPCSC.java
+++ b/src/java.smartcardio/unix/classes/sun/security/smartcardio/PlatformPCSC.java
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2005, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -46,8 +47,13 @@ class PlatformPCSC {
 
     private static final String PROP_NAME = "sun.security.smartcardio.library";
 
-    private static final String LIB1 = "/usr/$LIBISA/libpcsclite.so";
-    private static final String LIB2 = "/usr/local/$LIBISA/libpcsclite.so";
+    private static final String[] LIB_TEMPLATES = { "/usr/$LIBISA/libpcsclite.so",
+                                                    "/usr/local/$LIBISA/libpcsclite.so",
+                                                    "/usr/lib/$ARCH-linux-gnu/libpcsclite.so",
+                                                    "/usr/lib/arm-linux-gnueabi/libpcsclite.so",
+                                                    "/usr/lib/arm-linux-gnueabihf/libpcsclite.so",
+                                                    "/usr/lib/$ARCH-kfreebsd-gnu/libpcsclite.so" };
+    private static final String[] LIB_SUFFIXES = { ".1", ".0", "" };
     private static final String PCSC_FRAMEWORK = "/System/Library/Frameworks/PCSC.framework/Versions/Current/PCSC";
 
     PlatformPCSC() {
@@ -73,23 +79,38 @@ public Throwable run() {
     });
 
     // expand $LIBISA to the system specific directory name for libraries
+    // expand $ARCH to the Debian system architecture in use
     private static String expand(String lib) {
         int k = lib.indexOf("$LIBISA");
-        if (k == -1) {
-            return lib;
+        if (k != -1) {
+            String libDir;
+            if ("64".equals(System.getProperty("sun.arch.data.model"))) {
+                // assume Linux convention
+                libDir = "lib64";
+            } else {
+                // must be 32-bit
+                libDir = "lib";
+            }
+            lib = lib.replace("$LIBISA", libDir);
         }
-        String s1 = lib.substring(0, k);
-        String s2 = lib.substring(k + 7);
-        String libDir;
-        if ("64".equals(System.getProperty("sun.arch.data.model"))) {
-            // assume Linux convention
-            libDir = "lib64";
-        } else {
-            // must be 32-bit
-            libDir = "lib";
+
+        k = lib.indexOf("$ARCH");
+        if (k != -1) {
+            String arch = System.getProperty("os.arch");
+            lib = lib.replace("$ARCH", getDebianArchitecture(arch));
         }
-        String s = s1 + libDir + s2;
-        return s;
+
+        return lib;
+    }
+
+    private static String getDebianArchitecture(String jdkArch) {
+        return switch (jdkArch) {
+            case "amd64" -> "x86_64";
+            case "ppc" -> "powerpc";
+            case "ppc64" -> "powerpc64";
+            case "ppc64le" -> "powerpc64le";
+            default -> jdkArch;
+        };
     }
 
     private static String getLibraryName() throws IOException {
@@ -98,15 +119,18 @@ private static String getLibraryName() throws IOException {
         if (lib.length() != 0) {
             return lib;
         }
-        lib = expand(LIB1);
-        if (new File(lib).isFile()) {
-            // if LIB1 exists, use that
-            return lib;
-        }
-        lib = expand(LIB2);
-        if (new File(lib).isFile()) {
-            // if LIB2 exists, use that
-            return lib;
+
+        for (String template : LIB_TEMPLATES) {
+            for (String suffix : LIB_SUFFIXES) {
+                lib = expand(template) + suffix;
+                if (debug != null) {
+                    debug.println("Looking for " + lib);
+                }
+                if (new File(lib).isFile()) {
+                    // if library exists, use that
+                    return lib;
+                }
+            }
         }
 
         // As of macos 11, framework libraries have been removed from the file