2002-04-09 Daniel Jacobowitz <drow@mvista.com>

        * gdbserver/inferiors.c: New file.
        * gdbserver/target.c: New file.
        * gdbserver/target.h: New file.
        * gdbserver/Makefile.in:  Add target.o and inferiors.o.  Update
        dependencies.
        * gdbserver/linux-low.c (inferior_pid): New static variable,
        moved from server.c.
        (linux_create_inferior): Renamed from create_inferior.
        Call add_inferior.  Return 0 on success instead of a PID.
        (linux_attach): Renamed from myattach.
        (linux_kill): Renamed from kill_inferior.  Call clear_inferiors ().
        (linux_thread_alive): Renamed from mythread_alive.
        (linux_wait): Renamed from mywait.  Call clear_inferiors () if the
        child dies.
        (linux_resume): Renamed from myresume.  Add missing ``return 0''.
        (regsets_store_inferior_registers): Correct error message.
        Add missing ``return 0''.
        (linux_fetch_registers): Renamed from fetch_inferior_registers.
        (linux_store_registers): Renamed from store_inferior_registers.
        (linux_read_memory): Renamed from read_inferior_memory.
        (linux_write_memory): Renamed from write_inferior_memory.
        (linux_target_ops): New structure.
        (initialize_low): Call set_target_ops ().
        * gdbserver/remote-utils.c (unhexify): New function.
        (hexify): New function.
        (input_interrupt): Send signals to ``signal_pid''.
        * gdbserver/server.c (inferior_pid): Remove.
        (start_inferior): Update create_inferior call.
        (attach_inferior): Call add_inferior.
        (handle_query): New function.
        (main): Call handle_query for `q' packets.
        * gdbserver/server.h: Include "target.h".  Remove obsolete prototypes.
        Add prototypes for "inferiors.c", "target.c", hexify, and unhexify.

1 files changed, 71 insertions, 0 deletions

diff --git a/gdb/gdbserver/inferiors.c b/gdb/gdbserver/inferiors.c
new file mode 100644
index 0000000000..1daa3c5de3
--- /dev/null
+++ b/gdb/gdbserver/inferiors.c
@@ -0,0 +1,71 @@
+/* Inferior process information for the remote server for GDB.
+   Copyright 2002
+   Free Software Foundation, Inc.
+
+   Contributed by MontaVista Software.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdlib.h>
+
+#include "server.h"
+
+struct inferior_info
+{
+  int pid;
+  struct inferior_info *next;
+};
+
+static struct inferior_info *inferiors;
+struct inferior_info *current_inferior;
+int signal_pid;
+
+void
+add_inferior (int pid)
+{
+  struct inferior_info *new_inferior
+    = (struct inferior_info *) malloc (sizeof (*new_inferior));
+
+  memset (new_inferior, 0, sizeof (*new_inferior));
+
+  new_inferior->pid = pid;
+
+  new_inferior->next = inferiors;
+  inferiors = new_inferior;
+
+  if (current_inferior == NULL)
+    current_inferior = inferiors;
+
+  if (signal_pid == 0)
+    signal_pid = pid;
+}
+
+void
+clear_inferiors (void)
+{
+  struct inferior_info *inf = inferiors, *next_inf;
+
+  while (inf)
+    {
+      next_inf = inf->next;
+      free (inf);
+      inf = next_inf;
+    }
+
+  inferiors = NULL;
+}