1 files changed, 46 insertions, 0 deletions
diff --git a/libjava/addr2name.awk b/libjava/addr2name.awk
new file mode 100755
index 00000000000..f31befd526d
--- /dev/null
+++ b/libjava/addr2name.awk
@@ -0,0 +1,46 @@
+#!/bin/awk -f
+
+# Copyright (C) 2000  Free Software Foundation
+
+#    This file is part of libgcj.
+
+# This software is copyrighted work licensed under the terms of the
+# Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+# details.
+
+# This script emulates a little of the functionality of addr2line for
+# those systems that don't have it.  The only command line argument is
+# an executable name.  The script reads hexadecimal addresses from
+# stdin and prints the corresponding symbol names to stdout.  The
+# addresses must begin with "0x" and be fully zero filled or this
+# won't work.
+
+BEGIN {
+  object = ARGV[1];
+  ARGV[1] = "";
+
+  while ("nm " object "| sort" | getline) {
+    if ($2 == "t" || $2 == "T") {
+      address[i] = "0x" $1; name[i] = $3;
+      i++;
+    }
+  }
+  syms = i;
+}
+
+{
+  lo = 0;
+  hi = syms - 1;
+
+  while ((hi-1) > lo)
+    {
+      try = int ((hi + lo) / 2);
+      if ($0 < address[try])
+	hi = try;
+      else if ($0 >= address[try])
+	lo = try;
+    }
+  print name[lo] "\n"; fflush();
+}
+
+