From b40a3c5a45cec768e4112dc825293cf0389b92c1 Mon Sep 17 00:00:00 2001
From: marcel <marcel@FreeBSD.org>
Date: Fri, 25 Jun 2004 05:37:08 +0000
Subject: [PATCH] Update HEAD with support for ia64.

---
 contrib/gdb/gdb/remote.c | 43 ++++++++++++++++++++++++++++++++++++++++
 contrib/gdb/gdb/target.h |  4 +++-
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/contrib/gdb/gdb/remote.c b/contrib/gdb/gdb/remote.c
index 29bbbc86d80d..36da449973d8 100644
--- a/contrib/gdb/gdb/remote.c
+++ b/contrib/gdb/gdb/remote.c
@@ -998,6 +998,23 @@ show_remote_protocol_qPart_auxv_packet_cmd (char *args, int from_tty,
   show_packet_config_cmd (&remote_protocol_qPart_auxv);
 }
 
+/* Should we try the 'qPart:dirty' (target dirty register read) request? */
+static struct packet_config remote_protocol_qPart_dirty;
+
+static void
+set_remote_protocol_qPart_dirty_packet_cmd (char *args, int from_tty,
+					    struct cmd_list_element *c)
+{
+  update_packet_config (&remote_protocol_qPart_dirty);
+}
+
+static void
+show_remote_protocol_qPart_dirty_packet_cmd (char *args, int from_tty,
+					     struct cmd_list_element *c)
+{
+  show_packet_config_cmd (&remote_protocol_qPart_dirty);
+}
+
 
 /* Tokens for use by the asynchronous signal handlers for SIGINT */
 static void *sigint_remote_twice_token;
@@ -2088,6 +2105,7 @@ init_all_packet_configs (void)
      downloading. */
   update_packet_config (&remote_protocol_binary_download);
   update_packet_config (&remote_protocol_qPart_auxv);
+  update_packet_config (&remote_protocol_qPart_dirty);
 }
 
 /* Symbol look-up. */
@@ -4925,6 +4943,23 @@ remote_xfer_partial (struct target_ops *ops, enum target_object object,
 	}
       return -1;
 
+    case TARGET_OBJECT_DIRTY:
+      if (remote_protocol_qPart_dirty.support != PACKET_DISABLE)
+	{
+	  snprintf (buf2, rs->remote_packet_size, "qPart:dirty:read::%lx",
+		    (long)(offset >> 3));
+	  i = putpkt (buf2);
+	  if (i < 0)
+	    return i;
+	  buf2[0] = '\0';
+	  getpkt (buf2, rs->remote_packet_size, 0);
+	  if (packet_ok (buf2, &remote_protocol_qPart_dirty) != PACKET_OK)
+	    return -1;
+	  i = hex2bin (buf2, readbuf, len);
+	  return i;
+	}
+      return -1;
+
     default:
       return -1;
     }
@@ -5423,6 +5458,7 @@ show_remote_cmd (char *args, int from_tty)
   show_remote_protocol_vcont_packet_cmd (args, from_tty, NULL);
   show_remote_protocol_binary_download_cmd (args, from_tty, NULL);
   show_remote_protocol_qPart_auxv_packet_cmd (args, from_tty, NULL);
+  show_remote_protocol_qPart_dirty_packet_cmd (args, from_tty, NULL);
 }
 
 static void
@@ -5673,6 +5709,13 @@ in a memory packet.\n",
 			 &remote_set_cmdlist, &remote_show_cmdlist,
 			 0);
 
+  add_packet_config_cmd (&remote_protocol_qPart_dirty,
+			 "qPart_dirty", "read-dirty-registers",
+			 set_remote_protocol_qPart_dirty_packet_cmd,
+			 show_remote_protocol_qPart_dirty_packet_cmd,
+			 &remote_set_cmdlist, &remote_show_cmdlist,
+			 0);
+
   /* Keep the old ``set remote Z-packet ...'' working. */
   add_setshow_auto_boolean_cmd ("Z-packet", class_obscure,
 				&remote_Z_packet_detect, "\
diff --git a/contrib/gdb/gdb/target.h b/contrib/gdb/gdb/target.h
index 2d8ce372fc51..94ea970795de 100644
--- a/contrib/gdb/gdb/target.h
+++ b/contrib/gdb/gdb/target.h
@@ -229,7 +229,9 @@ enum target_object
   /* Transfer auxilliary vector.  */
   TARGET_OBJECT_AUXV,
   /* StackGhost cookie.  See "sparc-tdep.c".  */
-  TARGET_OBJECT_WCOOKIE
+  TARGET_OBJECT_WCOOKIE,
+  /* Dirty registers. See "ia64-tdep.c".  */
+  TARGET_OBJECT_DIRTY
 
   /* Possible future objects: TARGET_OBJECT_FILE, TARGET_OBJECT_PROC, ... */
 };