--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/aix/porting/porting_aix.c	Tue Nov 26 16:40:31 2013 +0100
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2012, 2013 SAP AG. 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include <stdio.h>
+#include <sys/ldr.h>
+#include <errno.h>
+
+#include "porting_aix.h"
+
+static unsigned char dladdr_buffer[0x4000];
+
+static void fill_dll_info(void) {
+  int rc = loadquery(L_GETINFO,dladdr_buffer, sizeof(dladdr_buffer));
+  if (rc == -1) {
+    fprintf(stderr, "loadquery failed (%d %s)", errno, strerror(errno));
+    fflush(stderr);
+  }
+}
+
+static int dladdr_dont_reload(void* addr, Dl_info* info) {
+  const struct ld_info* p = (struct ld_info*) dladdr_buffer;
+  info->dli_fbase = 0; info->dli_fname = 0;
+  info->dli_sname = 0; info->dli_saddr = 0;
+  for (;;) {
+    if (addr >= p->ldinfo_textorg &&
+        addr < (((char*)p->ldinfo_textorg) + p->ldinfo_textsize)) {
+      info->dli_fname = p->ldinfo_filename;
+      info->dli_fbase = p->ldinfo_textorg;
+      return 1; /* [sic] */
+    }
+    if (!p->ldinfo_next) {
+      break;
+    }
+    p = (struct ld_info*)(((char*)p) + p->ldinfo_next);
+  }
+  return 0; /* [sic] */
+}
+
+#ifdef __cplusplus
+extern "C"
+#endif
+int dladdr(void *addr, Dl_info *info) {
+  static int loaded = 0;
+  if (!loaded) {
+    fill_dll_info();
+    loaded = 1;
+  }
+  if (!addr) {
+    return 0;  /* [sic] */
+  }
+  /* Address could be AIX function descriptor? */
+  void* const addr0 = *( (void**) addr );
+  int rc = dladdr_dont_reload(addr, info);
+  if (rc == 0) {
+    rc = dladdr_dont_reload(addr0, info);
+    if (rc == 0) { /* [sic] */
+      fill_dll_info(); /* refill, maybe loadquery info is outdated */
+      rc = dladdr_dont_reload(addr, info);
+      if (rc == 0) {
+        rc = dladdr_dont_reload(addr0, info);
+      }
+    }
+  }
+  return rc;
+}