Blob Blame History Raw
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=198365


2006-09-30  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* ser-tcp.c (net_open): Support IPv6, "tcp6:"&co. notation.
	* configure.ac: Check for IPv6 getaddrinfo, getnameinfo and AF_INET6.
	* configure, config.in: Regenerate.

2006-09-30  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdbreplay.c (remote_open): Support IPv6, "tcp6:"&co. notation.
	* remote-utils.c (remote_open): Likewise.
	* configure.ac: Check for IPv6 getaddrinfo, getnameinfo and AF_INET6.
	* configure, config.in: Regenerate.

2006-09-30  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdb.texinfo (Connecting to a remote target): Support IPv6,
	"tcp6:"&co. notation.
	(Using the gdbserver program): Likewise.


diff -u -rup gdb-6.5-orig/gdb/config.in gdb-6.5/gdb/config.in
--- gdb-6.5-orig/gdb/config.in	2005-07-03 18:05:11.000000000 +0200
+++ gdb-6.5/gdb/config.in	2006-09-30 14:18:50.000000000 +0200
@@ -72,6 +72,10 @@
 /* Define to 1 if you have the `dcgettext' function. */
 #undef HAVE_DCGETTEXT
 
+/* Define to 1 if you have the declaration of `AF_INET6', and to 0 if you
+   don't. */
+#undef HAVE_DECL_AF_INET6
+
 /* Define to 1 if you have the declaration of `free', and to 0 if you don't.
    */
 #undef HAVE_DECL_FREE
@@ -118,12 +122,18 @@
 /* Define if <sys/procfs.h> has fpregset_t. */
 #undef HAVE_FPREGSET_T
 
+/* Define to 1 if you have the `getaddrinfo' function. */
+#undef HAVE_GETADDRINFO
+
 /* Define to 1 if you have the `getcwd' function. */
 #undef HAVE_GETCWD
 
 /* Define to 1 if you have the `getgid' function. */
 #undef HAVE_GETGID
 
+/* Define to 1 if you have the `getnameinfo' function. */
+#undef HAVE_GETNAMEINFO
+
 /* Define to 1 if you have the `getpagesize' function. */
 #undef HAVE_GETPAGESIZE
 
diff -u -rup gdb-6.5-orig/gdb/configure gdb-6.5/gdb/configure
--- gdb-6.5-orig/gdb/configure	2006-09-30 13:21:47.000000000 +0200
+++ gdb-6.5/gdb/configure	2006-09-30 14:25:10.000000000 +0200
@@ -16593,6 +16593,285 @@ fi
 done
 
 
+for ac_func in getaddrinfo
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+for ac_func in getnameinfo
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+echo "$as_me:$LINENO: checking whether AF_INET6 is declared" >&5
+echo $ECHO_N "checking whether AF_INET6 is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_AF_INET6+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+
+
+int
+main ()
+{
+#ifndef AF_INET6
+  char *p = (char *) AF_INET6;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_have_decl_AF_INET6=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_have_decl_AF_INET6=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_AF_INET6" >&5
+echo "${ECHO_T}$ac_cv_have_decl_AF_INET6" >&6
+if test $ac_cv_have_decl_AF_INET6 = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_AF_INET6 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_AF_INET6 0
+_ACEOF
+
+
+fi
+
+
+
 # Check the return and argument types of ptrace.  No canned test for
 # this, so roll our own.
 gdb_ptrace_headers='
@@ -21471,7 +21750,7 @@ ac_x_header_dirs='
 /usr/openwin/share/include'
 
 if test "$ac_x_includes" = no; then
-  # Guess where to find include files, by looking for Intrinsic.h.
+  # Guess where to find include files, by looking for Xlib.h.
   # First, try using that file with no special directory specified.
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -21479,7 +21758,7 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <X11/Intrinsic.h>
+#include <X11/Xlib.h>
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
   (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
@@ -21506,7 +21785,7 @@ else
 sed 's/^/| /' conftest.$ac_ext >&5
 
   for ac_dir in $ac_x_header_dirs; do
-  if test -r "$ac_dir/X11/Intrinsic.h"; then
+  if test -r "$ac_dir/X11/Xlib.h"; then
     ac_x_includes=$ac_dir
     break
   fi
@@ -21520,18 +21799,18 @@ if test "$ac_x_libraries" = no; then
   # See if we find them without any special options.
   # Don't add to $LIBS permanently.
   ac_save_LIBS=$LIBS
-  LIBS="-lXt $LIBS"
+  LIBS="-lX11 $LIBS"
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <X11/Intrinsic.h>
+#include <X11/Xlib.h>
 int
 main ()
 {
-XtMalloc (0)
+XrmInitialize ()
   ;
   return 0;
 }
diff -u -rup gdb-6.5-orig/gdb/configure.ac gdb-6.5/gdb/configure.ac
--- gdb-6.5-orig/gdb/configure.ac	2006-09-30 13:21:48.000000000 +0200
+++ gdb-6.5/gdb/configure.ac	2006-09-30 14:24:56.000000000 +0200
@@ -473,6 +473,12 @@ AC_CHECK_FUNCS(socketpair)
 AC_CHECK_FUNCS(syscall)
 AC_CHECK_FUNCS(ttrace)
 AC_CHECK_FUNCS(wborder)
+AC_CHECK_FUNCS(getaddrinfo)
+AC_CHECK_FUNCS(getnameinfo)
+AC_CHECK_DECLS(AF_INET6, [], [],
+[#include <sys/types.h>
+#include <sys/socket.h>
+])
 
 # Check the return and argument types of ptrace.  No canned test for
 # this, so roll our own.
diff -u -rup gdb-6.5-orig/gdb/doc/gdb.texinfo gdb-6.5/gdb/doc/gdb.texinfo
--- gdb-6.5-orig/gdb/doc/gdb.texinfo	2006-09-30 13:21:48.000000000 +0200
+++ gdb-6.5/gdb/doc/gdb.texinfo	2006-09-30 13:34:32.000000000 +0200
@@ -12358,8 +12358,10 @@ If you're using a serial line, you may w
 (@pxref{Remote configuration, set remotebaud}) before the
 @code{target} command.
 
-@item target remote @code{@var{host}:@var{port}}
+@item  target remote @code{@var{host}:@var{port}}
 @itemx target remote @code{tcp:@var{host}:@var{port}}
+@itemx target remote @code{tcp4:@var{host}:@var{port}}
+@itemx target remote @code{tcp6:@var{host}:@var{port}}
 @cindex @acronym{TCP} port, @code{target remote}
 Debug using a @acronym{TCP} connection to @var{port} on @var{host}.
 The @var{host} may be either a host name or a numeric @acronym{IP}
@@ -12368,6 +12370,9 @@ the target machine itself, if it is dire
 it might be a terminal server which in turn has a serial line to the
 target.
 
+@code{tcp6:} prefix forces IPv6 network connection while @code{tcp4:} forces
+IPv4, both on the reliable stream TCP connection.
+
 For example, to connect to port 2828 on a terminal server named
 @code{manyfarms}:
 
@@ -12388,10 +12393,15 @@ target remote :1234
 Note that the colon is still required here.
 
 @item target remote @code{udp:@var{host}:@var{port}}
+@itemx target remote @code{udp6:@var{host}:@var{port}}
+@itemx target remote @code{udp4:@var{host}:@var{port}}
 @cindex @acronym{UDP} port, @code{target remote}
 Debug using @acronym{UDP} packets to @var{port} on @var{host}.  For example, to
 connect to @acronym{UDP} port 2828 on a terminal server named @code{manyfarms}:
 
+@code{udp6:} prefix forces IPv6 network connection while @code{udp4:} forces
+IPv4, both on the unreliable datagram UDP connection.
+
 @smallexample
 target remote udp:manyfarms:2828
 @end smallexample
@@ -12532,14 +12542,30 @@ The only difference from the previous ex
 specifying that you are communicating with the host @value{GDBN} via
 TCP.  The @samp{host:2345} argument means that @code{gdbserver} is to
 expect a TCP connection from machine @samp{host} to local TCP port 2345.
-(Currently, the @samp{host} part is ignored.)  You can choose any number
-you want for the port number as long as it does not conflict with any
-TCP ports already in use on the target system (for example, @code{23} is
-reserved for @code{telnet}).@footnote{If you choose a port number that
-conflicts with another service, @code{gdbserver} prints an error message
+(The @samp{host} part is usually omitted as it defaults to listen from any
+host. You may use a local address as expected by the @code{bind} syscall.)
+You can choose any number you want for the port number as long as it does not
+conflict with any TCP ports already in use on the target system (for example,
+@code{23} is reserved for @code{telnet}).@footnote{If you choose a port number
+that conflicts with another service, @code{gdbserver} prints an error message
 and exits.}  You must use the same port number with the host @value{GDBN}
 @code{target remote} command.
 
+@item  gdbserver @code{tcp:@var{host}:@var{port}} emacs foo.txt
+@itemx gdbserver @code{tcp6:@var{host}:@var{port}} emacs foo.txt
+@itemx gdbserver @code{tcp4:@var{host}:@var{port}} emacs foo.txt
+@itemx gdbserver @code{udp:@var{host}:@var{port}} emacs foo.txt
+@itemx gdbserver @code{udp6:@var{host}:@var{port}} emacs foo.txt
+@itemx gdbserver @code{udp4:@var{host}:@var{port}} emacs foo.txt
+
+The @code{::} part can be also replaced by the optional @var{host} part as
+in the sample case of @code{tcp:@var{host}:@var{port}}.
+These all alternative syntaxes force either the reliable stream TCP protocol or
+the unreliable datagram UDP protocol appropriately.  You may also force the use
+of IPv6 or IPv4 network connections; @code{tcp:} and @code{udp:} select the
+network version type according to the provided @var{host}.
+The connection type defaults to the @code{tcp:} prefix behavior.
+
 On some targets, @code{gdbserver} can also attach to running programs.
 This is accomplished via the @code{--attach} argument.  The syntax is:
 
diff -u -rup gdb-6.5-orig/gdb/gdbserver/config.in gdb-6.5/gdb/gdbserver/config.in
--- gdb-6.5-orig/gdb/gdbserver/config.in	2006-03-15 17:13:28.000000000 +0100
+++ gdb-6.5/gdb/gdbserver/config.in	2006-09-30 16:23:20.000000000 +0200
@@ -1,5 +1,9 @@
 /* config.in.  Generated from configure.ac by autoheader.  */
 
+/* Define to 1 if you have the declaration of `AF_INET6', and to 0 if you
+   don't. */
+#undef HAVE_DECL_AF_INET6
+
 /* Define to 1 if you have the declaration of `strerror', and to 0 if you
    don't. */
 #undef HAVE_DECL_STRERROR
@@ -7,6 +11,12 @@
 /* Define if <sys/procfs.h> has elf_fpregset_t. */
 #undef HAVE_ELF_FPREGSET_T
 
+/* Define to 1 if you have the `getaddrinfo' function. */
+#undef HAVE_GETADDRINFO
+
+/* Define to 1 if you have the `getnameinfo' function. */
+#undef HAVE_GETNAMEINFO
+
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
diff -u -rup gdb-6.5-orig/gdb/gdbserver/configure gdb-6.5/gdb/gdbserver/configure
--- gdb-6.5-orig/gdb/gdbserver/configure	2006-03-15 17:13:28.000000000 +0100
+++ gdb-6.5/gdb/gdbserver/configure	2006-09-30 16:23:19.000000000 +0200
@@ -947,7 +947,7 @@ esac
     else
       echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi
-    cd "$ac_popdir"
+    cd $ac_popdir
   done
 fi
 
@@ -1865,7 +1865,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -1923,7 +1924,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2039,7 +2041,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2093,7 +2096,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2138,7 +2142,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2182,7 +2187,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2708,7 +2714,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2879,7 +2886,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2956,7 +2964,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3104,7 +3113,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3179,7 +3189,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3213,6 +3224,285 @@ fi
 
 . ${srcdir}/configure.srv
 
+for ac_func in getaddrinfo
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+for ac_func in getnameinfo
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+echo "$as_me:$LINENO: checking whether AF_INET6 is declared" >&5
+echo $ECHO_N "checking whether AF_INET6 is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_AF_INET6+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/socket.h>
+
+
+int
+main ()
+{
+#ifndef AF_INET6
+  char *p = (char *) AF_INET6;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_have_decl_AF_INET6=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_have_decl_AF_INET6=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_AF_INET6" >&5
+echo "${ECHO_T}$ac_cv_have_decl_AF_INET6" >&6
+if test $ac_cv_have_decl_AF_INET6 = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_AF_INET6 1
+_ACEOF
+
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_AF_INET6 0
+_ACEOF
+
+
+fi
+
+
+
 if test "${srv_linux_usrregs}" = "yes"; then
 
 cat >>confdefs.h <<\_ACEOF
@@ -3257,7 +3547,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3318,7 +3609,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3383,7 +3675,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3447,7 +3740,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3511,7 +3805,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3575,7 +3870,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3654,7 +3950,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_l
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3711,7 +4008,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_l
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3776,7 +4074,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_l
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3833,7 +4132,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -4686,6 +4986,11 @@ esac
   *) ac_INSTALL=$ac_top_builddir$INSTALL ;;
   esac
 
+  if test x"$ac_file" != x-; then
+    { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+    rm -f "$ac_file"
+  fi
   # Let's still pretend it is `configure' which instantiates (i.e., don't
   # use $as_me), people would be surprised to read:
   #    /* config.h.  Generated by config.status.  */
@@ -4724,12 +5029,6 @@ echo "$as_me: error: cannot find input f
 	 fi;;
       esac
     done` || { (exit 1); exit 1; }
-
-  if test x"$ac_file" != x-; then
-    { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
-    rm -f "$ac_file"
-  fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
   sed "$ac_vpsub
diff -u -rup gdb-6.5-orig/gdb/gdbserver/configure.ac gdb-6.5/gdb/gdbserver/configure.ac
--- gdb-6.5-orig/gdb/gdbserver/configure.ac	2006-03-15 17:13:29.000000000 +0100
+++ gdb-6.5/gdb/gdbserver/configure.ac	2006-09-30 16:23:06.000000000 +0200
@@ -47,6 +47,12 @@ AC_CHECK_TYPES(socklen_t, [], [],
 #include <sys/socket.h>
 ])
 . ${srcdir}/configure.srv
+AC_CHECK_FUNCS(getaddrinfo)
+AC_CHECK_FUNCS(getnameinfo)
+AC_CHECK_DECLS(AF_INET6, [], [],
+[#include <sys/types.h>
+#include <sys/socket.h>
+])
 
 if test "${srv_linux_usrregs}" = "yes"; then
   AC_DEFINE(HAVE_LINUX_USRREGS, 1,
diff -u -rup gdb-6.5-orig/gdb/gdbserver/gdbreplay.c gdb-6.5/gdb/gdbserver/gdbreplay.c
--- gdb-6.5-orig/gdb/gdbserver/gdbreplay.c	2005-12-23 19:11:55.000000000 +0100
+++ gdb-6.5/gdb/gdbserver/gdbreplay.c	2006-09-30 16:26:09.000000000 +0200
@@ -99,6 +99,8 @@ remote_close (void)
 static void
 remote_open (char *name)
 {
+  char *name_orig = name;
+
   if (!strchr (name, ':'))
     {
       fprintf (stderr, "%s: Must specify tcp connection as host:addr\n", name);
@@ -108,56 +110,232 @@ remote_open (char *name)
   else
     {
       char *port_str;
-      int port;
-      struct sockaddr_in sockaddr;
       socklen_t tmp;
-      int tmp_desc;
+      int tmp_desc = -1;
+      struct prefix
+	{
+	  const char *string;
+	  int family;
+	  int socktype;
+	};
+      const struct prefix prefixes[] =
+	{
+	  { "udp:",  AF_UNSPEC, SOCK_DGRAM  },
+	  { "tcp:",  AF_UNSPEC, SOCK_STREAM },
+	  { "udp4:", AF_INET,   SOCK_DGRAM  },
+	  { "tcp4:", AF_INET,   SOCK_STREAM },
+/* We do not support `AF_INET6' without getaddrinfo(3).  */
+#if defined (HAVE_GETADDRINFO) && HAVE_DECL_AF_INET6
+	  { "udp6:", AF_INET6,  SOCK_DGRAM  },
+	  { "tcp6:", AF_INET6,  SOCK_STREAM },
+#endif  /* defined (HAVE_GETADDRINFO) && HAVE_DECL_AF_INET6 */
+	};
+      const struct prefix *prefix;
+#ifdef HAVE_GETADDRINFO
+      struct addrinfo hints;
+      struct addrinfo *addrinfo_base, *addrinfo = NULL;
+      int err;
+#else  /* !HAVE_GETADDRINFO */
+      struct sockaddr_in sockaddr;
+#endif  /* !HAVE_GETADDRINFO */
+#ifdef HAVE_GETNAMEINFO
+      char back_host[64], back_port[16];
+#endif  /* HAVE_GETNAMEINFO */
+      char *name_base;
+
+      name_base = strdup (name);
+      name = name_base;
+#ifdef HAVE_GETADDRINFO
+      memset (&hints, 0, sizeof (hints));
+      hints.ai_family = AF_UNSPEC;
+      hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
+#endif  /* HAVE_GETADDRINFO */
+      for (prefix = prefixes;
+           prefix < prefixes + sizeof (prefixes) / sizeof (*prefixes);
+	   prefix++)
+	if (strncmp (name, prefix->string, strlen (prefix->string)) == 0)
+	  {
+	    name += strlen (prefix->string);
+#ifdef HAVE_GETADDRINFO
+	    hints.ai_family   = prefix->family;
+	    hints.ai_socktype = prefix->socktype;
+#endif  /* HAVE_GETADDRINFO */
+	    break;
+	  }
+      if (prefix >= prefixes + sizeof (prefixes) / sizeof (*prefixes))
+	prefix = NULL;
+      if ((prefix == NULL || prefix->family != AF_INET)
+	  && name[0] == '[' && (port_str = strchr (name, ']')))
+	{
+	  name++;
+	  *port_str++ = 0;
+	}
+      else
+	port_str = strchr (name, ':');
+      /* It may happen with IPv6 for like "[::1]".  */
+      if (port_str == NULL || *port_str != ':')
+        {
+	  fprintf (stderr, "net_open: No colon in host name!\n");
+	  fflush (stderr);
+	  exit (1);
+	}
+      *port_str++ = 0;
 
-      port_str = strchr (name, ':');
+      /* Default hostname for `node == NULL' is `INADDR_ANY'/`in6addr_any'.
+	 as we did specify `hints.ai_flags & AI_PASSIVE'.  */
+      if (name[0] == 0)
+	name = NULL;
+
+#ifdef HAVE_GETADDRINFO
+      err = getaddrinfo (name, port_str, &hints, &addrinfo_base);
+      if (err != 0)
+	{
+	  /* `name_base' is used here for `port_str'.  */
+	  fprintf (stderr, "%s:%s: cannot resolve name: %s\n",
+		   name, port_str, gai_strerror (err));
+	  fflush (stderr);
+	  exit (1);
+	}
 
-      port = atoi (port_str + 1);
+      for (addrinfo = addrinfo_base;
+	   addrinfo != NULL;
+	   addrinfo = addrinfo->ai_next)
+	{
+	  tmp_desc = socket (addrinfo->ai_family, addrinfo->ai_socktype,
+			    addrinfo->ai_protocol);
+	  if (tmp_desc >= 0)
+	    break;
+	}
+      if (addrinfo == NULL)
+	{
+	  freeaddrinfo (addrinfo_base);
+	  perror_with_name ("Can't open socket");
+	}
+#else  /* !HAVE_GETADDRINFO */
+      sockaddr.sin_family = PF_INET;
+      sockaddr.sin_port = htons (atoi (port_str));
 
-      tmp_desc = socket (PF_INET, SOCK_STREAM, 0);
+      if (name == NULL)
+	sockaddr.sin_addr.s_addr = INADDR_ANY;
+      else
+        {
+	  struct hostent *hostent;
+
+	  hostent = gethostbyname (name);
+	  if (hostent == NULL)
+	    {
+	      fprintf (stderr, "%s: unknown host\n", name);
+	      free (name_base);
+	      perror_with_name ("gethostbyname(3) resolving");
+	    }
+
+	  memcpy (&sockaddr.sin_addr.s_addr, hostent->h_addr,
+		  sizeof (struct in_addr));
+	  }
+
+      /* We assume matching `AF_*' and `PF_*'.  */
+      tmp_desc = socket (sockaddr.sin_family,
+			(prefix != NULL ? prefix->socktype : SOCK_STREAM),
+			0);
       if (tmp_desc < 0)
-	perror_with_name ("Can't open socket");
+        {
+	  free (name_base);
+	  perror_with_name ("Can't open socket");
+        }
+#endif  /* !HAVE_GETADDRINFO */
 
       /* Allow rapid reuse of this port. */
       tmp = 1;
       setsockopt (tmp_desc, SOL_SOCKET, SO_REUSEADDR, (char *) &tmp,
 		  sizeof (tmp));
 
-      sockaddr.sin_family = PF_INET;
-      sockaddr.sin_port = htons (port);
-      sockaddr.sin_addr.s_addr = INADDR_ANY;
-
+#ifdef HAVE_GETADDRINFO
+      if (bind (tmp_desc, addrinfo->ai_addr, addrinfo->ai_addrlen)
+	  || ((prefix == NULL || prefix->socktype != SOCK_DGRAM)
+	      && listen (tmp_desc, 1)))
+#else  /* !HAVE_GETADDRINFO */
       if (bind (tmp_desc, (struct sockaddr *) &sockaddr, sizeof (sockaddr))
-	  || listen (tmp_desc, 1))
-	perror_with_name ("Can't bind address");
-
-      tmp = sizeof (sockaddr);
-      remote_desc = accept (tmp_desc, (struct sockaddr *) &sockaddr, &tmp);
-      if (remote_desc == -1)
-	perror_with_name ("Accept failed");
-
-      /* Enable TCP keep alive process. */
-      tmp = 1;
-      setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE, (char *) &tmp, sizeof (tmp));
-
-      /* Tell TCP not to delay small packets.  This greatly speeds up
-         interactive response. */
-      tmp = 1;
-      setsockopt (remote_desc, IPPROTO_TCP, TCP_NODELAY,
-		  (char *) &tmp, sizeof (tmp));
+	  || ((prefix == NULL || prefix->socktype != SOCK_DGRAM)
+	      && listen (tmp_desc, 1)))
+#endif  /* !HAVE_GETADDRINFO */
+        {
+#ifdef HAVE_GETADDRINFO
+	  freeaddrinfo (addrinfo_base);
+#endif  /* HAVE_GETADDRINFO */
+	  free (name_base);
+	  perror_with_name ("Can't bind address");
+        }
+
+#ifdef HAVE_GETNAMEINFO
+      if (0 == getnameinfo (addrinfo->ai_addr, addrinfo->ai_addrlen,
+			    back_host, sizeof (back_host),
+			    back_port, sizeof (back_port),
+			    NI_NUMERICHOST | NI_NUMERICSERV))
+	fprintf (stderr, "Listening on port %s (on host %s)\n",
+		 back_port, back_host);
+      else
+#endif  /* !HAVE_GETNAMEINFO */
+	fprintf (stderr, "Listening on port %s (on host %s)\n",
+		 port_str, (name != NULL ? name : "<local>"));
+      fflush (stderr);
 
-      close (tmp_desc);		/* No longer need this */
+      /* Used for `port_str' above.  */
+      free (name_base);
 
-      signal (SIGPIPE, SIG_IGN);	/* If we don't do this, then gdbreplay simply
-					   exits when the remote side dies.  */
+      if (prefix != NULL && prefix->socktype == SOCK_DGRAM)
+        remote_desc = tmp_desc;
+      else
+        {
+	  struct sockaddr_storage sockaddr;
+	  socklen_t sockaddr_len = sizeof (sockaddr);
+	  remote_desc = accept (tmp_desc, (struct sockaddr *) &sockaddr, &sockaddr_len);
+	  if (remote_desc == -1)
+	    {
+#ifdef HAVE_GETADDRINFO
+	      freeaddrinfo (addrinfo_base);
+#endif  /* HAVE_GETADDRINFO */
+	      perror_with_name ("Accept failed");
+	    }
+
+	  /* Enable TCP keep alive process. */
+	  tmp = 1;
+	  setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE, (char *) &tmp, sizeof (tmp));
+
+	  /* Tell TCP not to delay small packets.  This greatly speeds up
+	     interactive response. */
+	  if (prefix == NULL || prefix->socktype == SOCK_STREAM)
+	    {
+	      tmp = 1;
+	      setsockopt (remote_desc, IPPROTO_TCP, TCP_NODELAY,
+			  (char *) &tmp, sizeof (tmp));
+	    }
+#ifdef HAVE_GETADDRINFO
+	  freeaddrinfo (addrinfo_base);
+#endif  /* HAVE_GETADDRINFO */
+
+	  close (tmp_desc);		/* No longer need this */
+
+	  signal (SIGPIPE, SIG_IGN);	/* If we don't do this, then gdbserver simply
+					       exits when the remote side dies.  */
+
+#ifdef HAVE_GETNAMEINFO
+	  /* Convert IP address to string.  */
+	  if (0 == getnameinfo ((struct sockaddr *) &sockaddr, sockaddr_len,
+				back_host, sizeof (back_host),
+				back_port, sizeof (back_port),
+				NI_NUMERICHOST | NI_NUMERICSERV))
+	    fprintf (stderr, "Remote debugging from host %s port %s\n",
+		     back_host, back_port);
+	  else
+#endif  /* !HAVE_GETNAMEINFO */
+	    fprintf (stderr, "Remote debugging started\n");
+	}
+      fflush (stderr);
     }
 
   fcntl (remote_desc, F_SETFL, FASYNC);
 
-  fprintf (stderr, "Replay logfile using %s\n", name);
+  fprintf (stderr, "Replay logfile using %s\n", name_orig);
   fflush (stderr);
 }
 
diff -u -rup gdb-6.5-orig/gdb/gdbserver/remote-utils.c gdb-6.5/gdb/gdbserver/remote-utils.c
--- gdb-6.5-orig/gdb/gdbserver/remote-utils.c	2006-03-03 15:48:55.000000000 +0100
+++ gdb-6.5/gdb/gdbserver/remote-utils.c	2006-09-30 16:25:16.000000000 +0200
@@ -124,57 +124,222 @@ remote_open (char *name)
   else
     {
       char *port_str;
-      int port;
-      struct sockaddr_in sockaddr;
       socklen_t tmp;
-      int tmp_desc;
+      int tmp_desc = -1;
+      struct prefix
+	{
+	  const char *string;
+	  int family;
+	  int socktype;
+	};
+      const struct prefix prefixes[] =
+	{
+	  { "udp:",  AF_UNSPEC, SOCK_DGRAM  },
+	  { "tcp:",  AF_UNSPEC, SOCK_STREAM },
+	  { "udp4:", AF_INET,   SOCK_DGRAM  },
+	  { "tcp4:", AF_INET,   SOCK_STREAM },
+/* We do not support `AF_INET6' without getaddrinfo(3).  */
+#if defined (HAVE_GETADDRINFO) && HAVE_DECL_AF_INET6
+	  { "udp6:", AF_INET6,  SOCK_DGRAM  },
+	  { "tcp6:", AF_INET6,  SOCK_STREAM },
+#endif  /* defined (HAVE_GETADDRINFO) && HAVE_DECL_AF_INET6 */
+	};
+      const struct prefix *prefix;
+#ifdef HAVE_GETADDRINFO
+      struct addrinfo hints;
+      struct addrinfo *addrinfo_base, *addrinfo = NULL;
+      int err;
+#else  /* !HAVE_GETADDRINFO */
+      struct sockaddr_in sockaddr;
+#endif  /* !HAVE_GETADDRINFO */
+#ifdef HAVE_GETNAMEINFO
+      char back_host[64], back_port[16];
+#endif  /* HAVE_GETNAMEINFO */
+      char *name_base;
+
+      name_base = strdup (name);
+      name = name_base;
+#ifdef HAVE_GETADDRINFO
+      memset (&hints, 0, sizeof (hints));
+      hints.ai_family = AF_UNSPEC;
+      hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
+#endif  /* HAVE_GETADDRINFO */
+      for (prefix = prefixes;
+           prefix < prefixes + sizeof (prefixes) / sizeof (*prefixes);
+	   prefix++)
+	if (strncmp (name, prefix->string, strlen (prefix->string)) == 0)
+	  {
+	    name += strlen (prefix->string);
+#ifdef HAVE_GETADDRINFO
+	    hints.ai_family   = prefix->family;
+	    hints.ai_socktype = prefix->socktype;
+#endif  /* HAVE_GETADDRINFO */
+	    break;
+	  }
+      if (prefix >= prefixes + sizeof (prefixes) / sizeof (*prefixes))
+	prefix = NULL;
+      if ((prefix == NULL || prefix->family != AF_INET)
+	  && name[0] == '[' && (port_str = strchr (name, ']')))
+	{
+	  name++;
+	  *port_str++ = 0;
+	}
+      else
+	port_str = strchr (name, ':');
+      /* It may happen with IPv6 for like "[::1]".  */
+      if (port_str == NULL || *port_str != ':')
+	error ("net_open: No colon in host name!");
+      *port_str++ = 0;
+
+      /* Default hostname for `node == NULL' is `INADDR_ANY'/`in6addr_any'.
+	 as we did specify `hints.ai_flags & AI_PASSIVE'.  */
+      if (name[0] == 0)
+	name = NULL;
+
+#ifdef HAVE_GETADDRINFO
+      err = getaddrinfo (name, port_str, &hints, &addrinfo_base);
+      if (err != 0)
+	{
+	  /* `name_base' is used here for `port_str'.  */
+	  error ("%s:%s: cannot resolve name: %s\n",
+		   name, port_str, gai_strerror (err));
+	}
+
+      for (addrinfo = addrinfo_base;
+	   addrinfo != NULL;
+	   addrinfo = addrinfo->ai_next)
+	{
+	  tmp_desc = socket (addrinfo->ai_family, addrinfo->ai_socktype,
+			    addrinfo->ai_protocol);
+	  if (tmp_desc >= 0)
+	    break;
+	}
+      if (addrinfo == NULL)
+	{
+	  freeaddrinfo (addrinfo_base);
+	  free (name_base);
+	  perror_with_name ("Can't open socket");
+	}
+#else  /* !HAVE_GETADDRINFO */
+      sockaddr.sin_family = PF_INET;
+      sockaddr.sin_port = htons (atoi (port_str));
 
-      port_str = strchr (name, ':');
+      if (name == NULL)
+	sockaddr.sin_addr.s_addr = INADDR_ANY;
+      else
+        {
+	  struct hostent *hostent;
 
-      port = atoi (port_str + 1);
+	  hostent = gethostbyname (name);
+	  if (hostent == NULL)
+	    {
+	      fprintf (stderr, "%s: unknown host\n", name);
+	      free (name_base);
+	      perror_with_name ("gethostbyname(3) resolving");
+	    }
 
-      tmp_desc = socket (PF_INET, SOCK_STREAM, 0);
+	  memcpy (&sockaddr.sin_addr.s_addr, hostent->h_addr,
+		  sizeof (struct in_addr));
+	  }
+
+      /* We assume matching `AF_*' and `PF_*'.  */
+      tmp_desc = socket (sockaddr.sin_family,
+			(prefix != NULL ? prefix->socktype : SOCK_STREAM),
+			0);
       if (tmp_desc < 0)
-	perror_with_name ("Can't open socket");
+        {
+	  free (name_base);
+	  perror_with_name ("Can't open socket");
+        }
+#endif  /* !HAVE_GETADDRINFO */
 
       /* Allow rapid reuse of this port. */
       tmp = 1;
       setsockopt (tmp_desc, SOL_SOCKET, SO_REUSEADDR, (char *) &tmp,
 		  sizeof (tmp));
 
-      sockaddr.sin_family = PF_INET;
-      sockaddr.sin_port = htons (port);
-      sockaddr.sin_addr.s_addr = INADDR_ANY;
-
+#ifdef HAVE_GETADDRINFO
+      if (bind (tmp_desc, addrinfo->ai_addr, addrinfo->ai_addrlen)
+	  || ((prefix == NULL || prefix->socktype != SOCK_DGRAM)
+	      && listen (tmp_desc, 1)))
+#else  /* !HAVE_GETADDRINFO */
       if (bind (tmp_desc, (struct sockaddr *) &sockaddr, sizeof (sockaddr))
-	  || listen (tmp_desc, 1))
-	perror_with_name ("Can't bind address");
-
-      fprintf (stderr, "Listening on port %d\n", port);
-
-      tmp = sizeof (sockaddr);
-      remote_desc = accept (tmp_desc, (struct sockaddr *) &sockaddr, &tmp);
-      if (remote_desc == -1)
-	perror_with_name ("Accept failed");
-
-      /* Enable TCP keep alive process. */
-      tmp = 1;
-      setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE, (char *) &tmp, sizeof (tmp));
+	  || ((prefix == NULL || prefix->socktype != SOCK_DGRAM)
+	      && listen (tmp_desc, 1)))
+#endif  /* !HAVE_GETADDRINFO */
+        {
+#ifdef HAVE_GETADDRINFO
+	  freeaddrinfo (addrinfo_base);
+#endif  /* HAVE_GETADDRINFO */
+	  free (name_base);
+	  perror_with_name ("Can't bind address");
+        }
 
-      /* Tell TCP not to delay small packets.  This greatly speeds up
-         interactive response. */
-      tmp = 1;
-      setsockopt (remote_desc, IPPROTO_TCP, TCP_NODELAY,
-		  (char *) &tmp, sizeof (tmp));
+#ifdef HAVE_GETNAMEINFO
+      if (0 == getnameinfo (addrinfo->ai_addr, addrinfo->ai_addrlen,
+			    back_host, sizeof (back_host),
+			    back_port, sizeof (back_port),
+			    NI_NUMERICHOST | NI_NUMERICSERV))
+	fprintf (stderr, "Listening on port %s (on host %s)\n",
+		 back_port, back_host);
+      else
+#endif  /* !HAVE_GETNAMEINFO */
+	fprintf (stderr, "Listening on port %s (on host %s)\n",
+		 port_str, (name != NULL ? name : "<local>"));
+      fflush (stderr);
 
-      close (tmp_desc);		/* No longer need this */
+      /* Used for `port_str' above.  */
+      free (name_base);
 
-      signal (SIGPIPE, SIG_IGN);	/* If we don't do this, then gdbserver simply
-					   exits when the remote side dies.  */
+      if (prefix != NULL && prefix->socktype == SOCK_DGRAM)
+        remote_desc = tmp_desc;
+      else
+        {
+	  struct sockaddr_storage sockaddr;
+	  socklen_t sockaddr_len = sizeof (sockaddr);
+	  remote_desc = accept (tmp_desc, (struct sockaddr *) &sockaddr, &sockaddr_len);
+	  if (remote_desc == -1)
+	    {
+#ifdef HAVE_GETADDRINFO
+	      freeaddrinfo (addrinfo_base);
+#endif  /* HAVE_GETADDRINFO */
+	      perror_with_name ("Accept failed");
+	    }
 
-      /* Convert IP address to string.  */
-      fprintf (stderr, "Remote debugging from host %s\n", 
-         inet_ntoa (sockaddr.sin_addr));
+	  /* Enable TCP keep alive process. */
+	  tmp = 1;
+	  setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE, (char *) &tmp, sizeof (tmp));
+
+	  /* Tell TCP not to delay small packets.  This greatly speeds up
+	     interactive response. */
+	  if (prefix == NULL || prefix->socktype == SOCK_STREAM)
+	    {
+	      tmp = 1;
+	      setsockopt (remote_desc, IPPROTO_TCP, TCP_NODELAY,
+			  (char *) &tmp, sizeof (tmp));
+	    }
+#ifdef HAVE_GETADDRINFO
+	  freeaddrinfo (addrinfo_base);
+#endif  /* HAVE_GETADDRINFO */
+
+	  close (tmp_desc);		/* No longer need this */
+
+	  signal (SIGPIPE, SIG_IGN);	/* If we don't do this, then gdbserver simply
+					       exits when the remote side dies.  */
+
+#ifdef HAVE_GETNAMEINFO
+	  /* Convert IP address to string.  */
+	  if (0 == getnameinfo ((struct sockaddr *) &sockaddr, sockaddr_len,
+				back_host, sizeof (back_host),
+				back_port, sizeof (back_port),
+				NI_NUMERICHOST | NI_NUMERICSERV))
+	    fprintf (stderr, "Remote debugging from host %s port %s\n",
+		     back_host, back_port);
+	  else
+#endif  /* !HAVE_GETNAMEINFO */
+	    fprintf (stderr, "Remote debugging started\n");
+	}
+      fflush (stderr);
     }
 
 #if defined(F_SETFL) && defined (FASYNC)
diff -u -rup gdb-6.5-orig/gdb/ser-tcp.c gdb-6.5/gdb/ser-tcp.c
--- gdb-6.5-orig/gdb/ser-tcp.c	2006-02-10 23:01:43.000000000 +0100
+++ gdb-6.5/gdb/ser-tcp.c	2006-09-30 15:53:48.000000000 +0200
@@ -68,67 +68,142 @@ void _initialize_ser_tcp (void);
 int
 net_open (struct serial *scb, const char *name)
 {
-  char *port_str, hostname[100];
-  int n, port, tmp;
-  int use_udp;
-  struct hostent *hostent;
-  struct sockaddr_in sockaddr;
+  char *name_base;
+  char *port_str;
+  int n, tmp;
 #ifdef USE_WIN32API
   u_long ioarg;
 #else
   int ioarg;
 #endif
-
-  use_udp = 0;
-  if (strncmp (name, "udp:", 4) == 0)
+  struct prefix
+    {
+      const char *string;
+      int family;
+      int socktype;
+    };
+  const struct prefix prefixes[] =
     {
-      use_udp = 1;
-      name = name + 4;
+      { "udp:",  AF_UNSPEC, SOCK_DGRAM  },
+      { "tcp:",  AF_UNSPEC, SOCK_STREAM },
+      { "udp4:", AF_INET,   SOCK_DGRAM  },
+      { "tcp4:", AF_INET,   SOCK_STREAM },
+/* We do not support `AF_INET6' without getaddrinfo(3).  */
+#if defined (HAVE_GETADDRINFO) && HAVE_DECL_AF_INET6
+      { "udp6:", AF_INET6,  SOCK_DGRAM  },
+      { "tcp6:", AF_INET6,  SOCK_STREAM },
+#endif  /* defined (HAVE_GETADDRINFO) && HAVE_DECL_AF_INET6 */
+    };
+  const struct prefix *prefix;
+#ifdef HAVE_GETADDRINFO
+  struct addrinfo hints;
+  struct addrinfo *addrinfo_base, *addrinfo = NULL;
+#else  /* !HAVE_GETADDRINFO */
+  struct hostent *hostent;
+  struct sockaddr_in sockaddr;
+#endif  /* !HAVE_GETADDRINFO */
+  /* Error by default.  */
+  int retval = -1;
+
+  name_base = xstrdup (name);
+  name = name_base;
+#ifdef HAVE_GETADDRINFO
+  memset (&hints, 0, sizeof (hints));
+  hints.ai_family = AF_UNSPEC;
+  hints.ai_flags = AI_ADDRCONFIG;
+#endif  /* HAVE_GETADDRINFO */
+  for (prefix = prefixes; prefix < prefixes + ARRAY_SIZE (prefixes); prefix++)
+    if (strncmp (name, prefix->string, strlen (prefix->string)) == 0)
+      {
+	name += strlen (prefix->string);
+#ifdef HAVE_GETADDRINFO
+	hints.ai_family   = prefix->family;
+	hints.ai_socktype = prefix->socktype;
+#endif  /* HAVE_GETADDRINFO */
+	break;
+      }
+  if (prefix >= prefixes + ARRAY_SIZE (prefixes))
+    prefix = NULL;
+  if ((prefix == NULL || prefix->family != AF_INET)
+      && name[0] == '[' && (port_str = strchr (name, ']')))
+    {
+      name++;
+      *port_str++ = 0;
+    }
+  else
+    port_str = strchr (name, ':');
+  /* It may happen with IPv6 for like "[::1]".  */
+  if (port_str == NULL || *port_str != ':')
+    error (_("net_open: No colon in host name!"));
+  *port_str++ = 0;
+
+  /* Default hostname for `node == NULL' is localhost
+     as we did not specify `hints.ai_flags & AI_PASSIVE'.  */
+  if (name[0] == 0)
+    name = NULL;
+
+#ifdef HAVE_GETADDRINFO
+  n = getaddrinfo (name, port_str, &hints, &addrinfo_base);
+  if (n != 0)
+    {
+      fprintf_unfiltered (gdb_stderr, "%s:%s: cannot resolve name: %s\n",
+			  (name != NULL ? name : "<local>"),
+			  port_str, gai_strerror (n));
+      errno = ENOENT;
+      free (name_base);
+      return -1;
     }
-  else if (strncmp (name, "tcp:", 4) == 0)
-    name = name + 4;
-
-  port_str = strchr (name, ':');
-
-  if (!port_str)
-    error (_("net_open: No colon in host name!"));	   /* Shouldn't ever happen */
-
-  tmp = min (port_str - name, (int) sizeof hostname - 1);
-  strncpy (hostname, name, tmp);	/* Don't want colon */
-  hostname[tmp] = '\000';	/* Tie off host name */
-  port = atoi (port_str + 1);
 
-  /* default hostname is localhost */
-  if (!hostname[0])
-    strcpy (hostname, "localhost");
+  /* Still used for `port_str' above.  */
+  free (name_base);
 
-  hostent = gethostbyname (hostname);
-  if (!hostent)
+  for (addrinfo = addrinfo_base; addrinfo != NULL; addrinfo = addrinfo->ai_next)
+    {
+      scb->fd = socket (addrinfo->ai_family, addrinfo->ai_socktype,
+			addrinfo->ai_protocol);
+      if (scb->fd >= 0)
+	break;
+    }
+  if (addrinfo == NULL)
     {
-      fprintf_unfiltered (gdb_stderr, "%s: unknown host\n", hostname);
+      freeaddrinfo (addrinfo_base);
+      return -1;
+    }
+#else  /* !HAVE_GETADDRINFO */
+  hostent = gethostbyname ((name != NULL ? name : "localhost"));
+  if (hostent == NULL)
+    {
+      fprintf_unfiltered (gdb_stderr, "%s: unknown host\n", name);
       errno = ENOENT;
+      free (name_base);
       return -1;
     }
 
-  if (use_udp)
-    scb->fd = socket (PF_INET, SOCK_DGRAM, 0);
-  else
-    scb->fd = socket (PF_INET, SOCK_STREAM, 0);
+  sockaddr.sin_family = PF_INET;
+  sockaddr.sin_port = htons (atoi (port_str));
+  memcpy (&sockaddr.sin_addr.s_addr, hostent->h_addr,
+	 sizeof (struct in_addr));
 
+  /* Still used for `port_str' above.  */
+  free (name_base);
+
+  scb->fd = socket (sockaddr.sin_family,
+		    (prefix != NULL ? prefix->socktype : SOCK_STREAM),
+		    0);
   if (scb->fd < 0)
     return -1;
-  
-  sockaddr.sin_family = PF_INET;
-  sockaddr.sin_port = htons (port);
-  memcpy (&sockaddr.sin_addr.s_addr, hostent->h_addr,
-	  sizeof (struct in_addr));
+#endif  /* !HAVE_GETADDRINFO */
 
   /* set socket nonblocking */
   ioarg = 1;
   ioctl (scb->fd, FIONBIO, &ioarg);
 
   /* Use Non-blocking connect.  connect() will return 0 if connected already. */
+#ifdef HAVE_GETADDRINFO
+  n = connect (scb->fd, addrinfo->ai_addr, addrinfo->ai_addrlen);
+#else  /* !HAVE_GETADDRINFO */
   n = connect (scb->fd, (struct sockaddr *) &sockaddr, sizeof (sockaddr));
+#endif  /* !HAVE_GETADDRINFO */
 
   if (n < 0
 #ifdef USE_WIN32API
@@ -143,8 +218,7 @@ net_open (struct serial *scb, const char
 #ifdef USE_WIN32API
       errno = WSAGetLastError();
 #endif
-      net_close (scb);
-      return -1;
+      goto cleanup_scb;
     }
 
   if (n)
@@ -165,8 +239,7 @@ net_open (struct serial *scb, const char
 	      if (deprecated_ui_loop_hook (0))
 		{
 		  errno = EINTR;
-		  net_close (scb);
-		  return -1;
+		  goto cleanup_scb;
 		}
 	    }
 	  
@@ -192,8 +265,7 @@ net_open (struct serial *scb, const char
 	{
 	  if (polls > TIMEOUT * POLL_INTERVAL)
 	    errno = ETIMEDOUT;
-	  net_close (scb);
-	  return -1;
+	  goto cleanup_scb;
 	}
     }
 
@@ -211,8 +283,7 @@ net_open (struct serial *scb, const char
       {
 	if (err)
 	  errno = err;
-	net_close (scb);
-	return -1;
+	goto cleanup_scb;
       }
   } 
 
@@ -220,7 +291,7 @@ net_open (struct serial *scb, const char
   ioarg = 0;
   ioctl (scb->fd, FIONBIO, &ioarg);
 
-  if (use_udp == 0)
+  if (prefix == NULL || prefix->socktype == SOCK_STREAM)
     {
       /* Disable Nagle algorithm. Needed in some cases. */
       tmp = 1;
@@ -234,7 +305,16 @@ net_open (struct serial *scb, const char
   signal (SIGPIPE, SIG_IGN);
 #endif
 
-  return 0;
+  retval = 0;
+  goto cleanup_addrinfo_base;
+
+cleanup_scb:
+  net_close (scb);
+cleanup_addrinfo_base:
+#ifdef HAVE_GETADDRINFO
+  freeaddrinfo (addrinfo_base);
+#endif  /* HAVE_GETADDRINFO */
+  return retval;
 }
 
 void