Implement core awareness.

	* bcache.c (compare_ints): Remove
	(print_percentage): Use compare_positive_ints.
	* defs.h (compare_positive_ints): Declare.
	* linux-nat.h (struct lin_lwp): New field core.
	(linux_nat_core_of_thread_1): Declare.
	* linux-nat.c (add_lwp): Init the 'core' field.
	(linux_nat_wait_1): Record the core.
	(linux_nat_core_of_thread_1, linux_nat_core_of_thread): New.
	(linux_nat_add_target): Register the above.
	* linux-thread-db.c (update_thread_core): New.
	(thread_db_find_new_threads): Update core information for
	every thread.
	* remote.c (struct private_thread_info): New.
	(free_private_thread_info, demand_private_info): New.
	(PACKET_qXfer_threads, use_osdata_threads): New.
	(struct thread_item, threads_parsing_context
	(start_thread, end_thread, thread_attributes)
	(thread_children, threads_children, threads_elements): New.
	(remote_threads_info): Try qXfer:threads before anything
	else.
	(remote_protocol_packets): Register qXfer:threads.
	(remote_open_1): Init use_osdata_threads.
	(struct stop_reply): New field 'core'.
	(remote_parse_stop_reply): Parse core number.
	(process_stop_reply): Record core number.
	(remote_xfer_partial): Handle qXfer:threads.
	(remote_core_of_thread): New.
	(init_remote_ops): Register remote_core_of_thread.
	(_initialize_remote): Register qXfer:read.
	* target.c (target_core_of_thread): New
	* target.h (enum target_object): New value TARGET_OBJECT_THREADS.
	(struct target_ops): New field to_core_of_threads.
	(target_core_of_thread): Declare.
	* gdbthread.h (struct thread_info): New field private_dtor.
	* thread.c (print_thread_info): Report the core.
	* ui-out.c (MAX_UI_OUT_LEVELS): Increase.
	* utils.c (compare_positive_ints): New.
	* features/threads.dtd: New.
	* mi/mi-interp.c (mi_on_normal_stop): Report the core.
	* mi/mi-main.c (struct collect_cores_data, collect_cores)
	(do_nothing, free_vector_of_osdata_items)
	(splay_tree_int_comparator, free_splay_tree): New.
	(print_one_inferior_data): Implemented printing of selected
	inferiors.  Collect and print cores.
	(output_cores): New.
	(mi_cmd_list_thread_groups): Support --recurse.  Permit specifying
	thread groups together with --available.

1 files changed, 22 insertions, 0 deletions

diff --git a/gdb/gdbserver/remote-utils.c b/gdb/gdbserver/remote-utils.c
index 9b5bad8..76953ae 100644
--- a/gdb/gdbserver/remote-utils.c
+++ b/gdb/gdbserver/remote-utils.c
@@ -1170,6 +1170,7 @@ prepare_resume_reply (char *buf, ptid_t ptid,
 	       gdbserver to know what inferior_ptid is.  */
 	    if (1 || !ptid_equal (general_thread, ptid))
 	      {
+		int core = -1;
 		/* In non-stop, don't change the general thread behind
 		   GDB's back.  */
 		if (!non_stop)
@@ -1179,6 +1180,17 @@ prepare_resume_reply (char *buf, ptid_t ptid,
 		buf = write_ptid (buf, ptid);
 		strcat (buf, ";");
 		buf += strlen (buf);
+
+		if (the_target->core_of_thread)
+		  core = (*the_target->core_of_thread) (ptid);
+		if (core != -1)
+		  {
+		    sprintf (buf, "core:");
+		    buf += strlen (buf);
+		    sprintf (buf, "%x", core);
+		    strcat (buf, ";");
+		    buf += strlen (buf);
+		  }
 	      }
 	  }
 
@@ -1604,6 +1616,16 @@ buffer_xml_printf (struct buffer *buffer, const char *format, ...)
 	       prev = f + 1;
 	     }
 	     break;
+	   case 'd':
+	     {
+	       int i = va_arg (ap, int);
+	       char b[sizeof ("4294967295")];
+
+	       buffer_grow (buffer, prev, f - prev - 1);
+	       sprintf (b, "%d", i);
+	       buffer_grow_str (buffer, b);
+	       prev = f + 1;
+	     }
 	   }
 	 percent = 0;
        }