X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Ftarget.c;h=998d6c1f230d2a21f8a83eadee1564ad2c043bb7;hb=b09846a918b74f0371149f730f8b391548b11a8d;hp=3727b9de246b99b680eb5a4d5032d2a798590656;hpb=a9762ec78a53fbe9209fe1654db42df0cd328d50;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/gdbserver/target.c b/gdb/gdbserver/target.c
index 3727b9de24..998d6c1f23 100644
--- a/gdb/gdbserver/target.c
+++ b/gdb/gdbserver/target.c
@@ -1,5 +1,6 @@
 /* Target operations for the remote server for GDB.
-   Copyright (C) 2002, 2004, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004-2005, 2007-2012 Free Software Foundation,
+   Inc.
 
    Contributed by MontaVista Software.
 
@@ -28,26 +29,9 @@ set_desired_inferior (int use_general)
   struct thread_info *found;
 
   if (use_general == 1)
-    {
-      found = (struct thread_info *) find_inferior_id (&all_threads,
-						       general_thread);
-    }
+    found = find_thread_ptid (general_thread);
   else
-    {
-      found = NULL;
-
-      /* If we are continuing any (all) thread(s), use step_thread
-	 to decide which thread to step and/or send the specified
-	 signal to.  */
-      if ((step_thread != 0 && step_thread != -1)
-	  && (cont_thread == 0 || cont_thread == -1))
-	found = (struct thread_info *) find_inferior_id (&all_threads,
-							 step_thread);
-
-      if (found == NULL)
-	found = (struct thread_info *) find_inferior_id (&all_threads,
-							 cont_thread);
-    }
+    found = find_thread_ptid (cont_thread);
 
   if (found == NULL)
     current_inferior = (struct thread_info *) all_threads.head;
@@ -77,9 +61,9 @@ write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
   if (buffer != NULL)
     free (buffer);
 
-  buffer = malloc (len);
+  buffer = xmalloc (len);
   memcpy (buffer, myaddr, len);
-  check_mem_write (memaddr, buffer, len);
+  check_mem_write (memaddr, buffer, myaddr, len);
   res = (*the_target->write_memory) (memaddr, buffer, len);
   free (buffer);
   buffer = NULL;
@@ -87,15 +71,24 @@ write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
   return res;
 }
 
-unsigned char
-mywait (char *statusp, int connected_wait)
+ptid_t
+mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
+	int connected_wait)
 {
-  unsigned char ret;
+  ptid_t ret;
 
   if (connected_wait)
     server_waiting = 1;
 
-  ret = (*the_target->wait) (statusp);
+  ret = (*the_target->wait) (ptid, ourstatus, options);
+
+  if (ourstatus->kind == TARGET_WAITKIND_EXITED)
+    fprintf (stderr,
+	     "\nChild exited with status %d\n", ourstatus->value.integer);
+  else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED)
+    fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
+	     target_signal_to_host (ourstatus->value.sig),
+	     target_signal_to_name (ourstatus->value.sig));
 
   if (connected_wait)
     server_waiting = 0;
@@ -103,9 +96,89 @@ mywait (char *statusp, int connected_wait)
   return ret;
 }
 
+int
+start_non_stop (int nonstop)
+{
+  if (the_target->start_non_stop == NULL)
+    {
+      if (nonstop)
+	return -1;
+      else
+	return 0;
+    }
+
+  return (*the_target->start_non_stop) (nonstop);
+}
+
 void
 set_target_ops (struct target_ops *target)
 {
-  the_target = (struct target_ops *) malloc (sizeof (*the_target));
+  the_target = (struct target_ops *) xmalloc (sizeof (*the_target));
   memcpy (the_target, target, sizeof (*the_target));
 }
+
+/* Convert pid to printable format.  */
+
+const char *
+target_pid_to_str (ptid_t ptid)
+{
+  static char buf[80];
+
+  if (ptid_equal (ptid, minus_one_ptid))
+    xsnprintf (buf, sizeof (buf), "<all threads>");
+  else if (ptid_equal (ptid, null_ptid))
+    xsnprintf (buf, sizeof (buf), "<null thread>");
+  else if (ptid_get_tid (ptid) != 0)
+    xsnprintf (buf, sizeof (buf), "Thread %d.0x%lx",
+	       ptid_get_pid (ptid), ptid_get_tid (ptid));
+  else if (ptid_get_lwp (ptid) != 0)
+    xsnprintf (buf, sizeof (buf), "LWP %d.%ld",
+	       ptid_get_pid (ptid), ptid_get_lwp (ptid));
+  else
+    xsnprintf (buf, sizeof (buf), "Process %d",
+	       ptid_get_pid (ptid));
+
+  return buf;
+}
+
+/* Return a pretty printed form of target_waitstatus.  */
+
+const char *
+target_waitstatus_to_string (const struct target_waitstatus *ws)
+{
+  static char buf[200];
+  const char *kind_str = "status->kind = ";
+
+  switch (ws->kind)
+    {
+    case TARGET_WAITKIND_EXITED:
+      sprintf (buf, "%sexited, status = %d",
+	       kind_str, ws->value.integer);
+      break;
+    case TARGET_WAITKIND_STOPPED:
+      sprintf (buf, "%sstopped, signal = %s",
+	       kind_str, target_signal_to_name (ws->value.sig));
+      break;
+    case TARGET_WAITKIND_SIGNALLED:
+      sprintf (buf, "%ssignalled, signal = %s",
+	       kind_str, target_signal_to_name (ws->value.sig));
+      break;
+    case TARGET_WAITKIND_LOADED:
+      sprintf (buf, "%sloaded", kind_str);
+      break;
+    case TARGET_WAITKIND_EXECD:
+      sprintf (buf, "%sexecd", kind_str);
+      break;
+    case TARGET_WAITKIND_SPURIOUS:
+      sprintf (buf, "%sspurious", kind_str);
+      break;
+    case TARGET_WAITKIND_IGNORE:
+      sprintf (buf, "%signore", kind_str);
+      break;
+    default:
+      sprintf (buf, "%sunknown???", kind_str);
+      break;
+    }
+
+  return buf;
+}