Implement -list-thread-groups --available

        * Makefile.in (XMLFILES): Add osdata.dtd.
        (SFILES): Add osdata.c.
        (COMMON_OBS): Add osdata.o.
        * linux-nat.c: Include pwd.h, sys/types.h, gdb_dirent.h and xml-support.h.
        (linux_nat_xfer_osdata): New function.
        (linux_xfer_partial): Handle TARGET_OBJECT_OSDATA.
        * osdata.c: New file.
        * osdata.h: New file.
        * remote.c (PACKET_qXfer_osdata): New packet enum.
        (remote_protocol_features): Add "qXfer:osdata:read".
        (remote_read_qxfer): Handle TARGET_OBJECT_OSDATA.
        (extended_remote_can_run): New.
        (init_extended_remote_ops): Set to_can_run to
        extended_remote_can_run.
        (_initialize_remote): Add packet config command for
        "qXfer:osdata:read".
        * xml-support.c (obstack_xml_printf): New function.
        * xml-support.h (obstack_xml_printf): Declare.
        * target.c (target_get_osdata): New function.
        * target.h (enum target_object): Add TARGET_OBJECT_OSDATA.
        (target_os_data): Declare.
        * features/osdata.dtd: New file.
        * mi/mi-main.c (mi_list_thread_groups): Handle the --available
        option.

1 files changed, 20 insertions, 0 deletions

diff --git a/gdb/target.c b/gdb/target.c
index 3901ee7..966ab7b 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -2224,6 +2224,26 @@ target_supports_non_stop ()
 }
 
 
+char *
+target_get_osdata (const char *type)
+{
+  char *document;
+  struct target_ops *t;
+
+  if (target_can_run (&current_target))
+    t = &current_target;
+  else
+    t = find_default_run_target ("get OS data");
+
+  if (!t)
+    return NULL;
+
+  document = target_read_stralloc (t,
+                                  TARGET_OBJECT_OSDATA,
+                                  type);
+  return document;
+}
+
 static int
 default_region_ok_for_hw_watchpoint (CORE_ADDR addr, int len)
 {