From 07e059b5a9cbdeab8bf2980e07e79f892a2da854 Mon Sep 17 00:00:00 2001
From: Vladimir Prus <vladimir@codesourcery.com>
Date: Tue, 2 Dec 2008 07:57:38 +0000
Subject: 	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.
---
 gdb/gdbserver/server.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'gdb/gdbserver/server.c')

diff --git a/gdb/gdbserver/server.c b/gdb/gdbserver/server.c
index f8059e4..33db8a7 100644
--- a/gdb/gdbserver/server.c
+++ b/gdb/gdbserver/server.c
@@ -768,6 +768,38 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
       return;
     }
 
+  if (the_target->qxfer_osdata != NULL
+      && strncmp ("qXfer:osdata:read:", own_buf, 18) == 0)
+    {
+      char *annex;
+      int n;
+      unsigned int len;
+      CORE_ADDR ofs;
+      unsigned char *workbuf;
+
+      strcpy (own_buf, "E00");
+      if (decode_xfer_read (own_buf + 18, &annex, &ofs, &len) < 0)
+       return;
+      if (len > PBUFSIZ - 2)
+       len = PBUFSIZ - 2;
+      workbuf = malloc (len + 1);
+      if (!workbuf)
+        return;
+
+      n = (*the_target->qxfer_osdata) (annex, workbuf, NULL, ofs, len + 1);
+      if (n < 0)
+       write_enn (own_buf);
+      else if (n > len)
+       *new_packet_len_p = write_qxfer_response
+                             (own_buf, workbuf, len, 1);
+      else
+       *new_packet_len_p = write_qxfer_response
+                             (own_buf, workbuf, n, 0);
+
+      free (workbuf);
+      return;
+    }
+
   /* Protocol features query.  */
   if (strncmp ("qSupported", own_buf, 10) == 0
       && (own_buf[10] == ':' || own_buf[10] == '\0'))
@@ -792,6 +824,10 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
 
       if (transport_is_reliable)
 	strcat (own_buf, ";QStartNoAckMode+");
+
+      if (the_target->qxfer_osdata != NULL)
+        strcat (own_buf, ";qXfer:osdata:read+");
+
       return;
     }
 
-- 
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