From: Ulrich Weigand <uweigand@de.ibm.com>
Date: Fri, 3 Apr 2009 20:15:51 +0000 (+0000)
Subject: 	* inferiors.c (get_thread_process): Make global.
X-Git-Tag: sid-snapshot-20090501~245
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7fe519cb2170cf7fb9d5d27d181b430c8c9e4f94;p=external%2Fbinutils.git

	* inferiors.c (get_thread_process): Make global.
	* server.h (get_thread_process): Add prototype.
	* thread-db.c (find_one_thread): Use get_thread_process
	instead of current_process.
	(thread_db_get_tls_address): Do not crash if called when
	thread layer is not yet initialized.
---

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index d7c129a..a5c0bd8 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,5 +1,14 @@
 2009-04-03  Ulrich Weigand  <uweigand@de.ibm.com>
 
+	* inferiors.c (get_thread_process): Make global.
+	* server.h (get_thread_process): Add prototype.
+	* thread-db.c (find_one_thread): Use get_thread_process
+	instead of current_process.
+	(thread_db_get_tls_address): Do not crash if called when
+	thread layer is not yet initialized.
+
+2009-04-03  Ulrich Weigand  <uweigand@de.ibm.com>
+
 	* remote-utils.c (prepare_resume_reply): Null-terminate packet.
 	* spu-low.c (current_tid): Rename to ...
 	(current_ptid): ... this.
diff --git a/gdb/gdbserver/inferiors.c b/gdb/gdbserver/inferiors.c
index 2d26b6a..f96438e 100644
--- a/gdb/gdbserver/inferiors.c
+++ b/gdb/gdbserver/inferiors.c
@@ -442,7 +442,7 @@ find_process_pid (int pid)
     find_inferior_id (&all_processes, pid_to_ptid (pid));
 }
 
-static struct process_info *
+struct process_info *
 get_thread_process (struct thread_info *thread)
 {
   int pid = ptid_get_pid (thread->entry.id);
diff --git a/gdb/gdbserver/server.h b/gdb/gdbserver/server.h
index 1af5313..7a0b770 100644
--- a/gdb/gdbserver/server.h
+++ b/gdb/gdbserver/server.h
@@ -201,6 +201,7 @@ struct process_info
    no current thread selected.  */
 
 struct process_info *current_process (void);
+struct process_info *get_thread_process (struct thread_info *);
 
 #include "regcache.h"
 #include "gdb/signals.h"
diff --git a/gdb/gdbserver/thread-db.c b/gdb/gdbserver/thread-db.c
index 936bb0f..4a26be9 100644
--- a/gdb/gdbserver/thread-db.c
+++ b/gdb/gdbserver/thread-db.c
@@ -233,7 +233,7 @@ find_one_thread (ptid_t ptid)
   td_err_e err;
   struct thread_info *inferior;
   struct lwp_info *lwp;
-  struct process_info_private *proc = current_process()->private;
+  struct process_info_private *proc;
   int lwpid = ptid_get_lwp (ptid);
 
   inferior = (struct thread_info *) find_inferior_id (&all_threads, ptid);
@@ -242,6 +242,7 @@ find_one_thread (ptid_t ptid)
     return 1;
 
   /* Get information about this thread.  */
+  proc = get_thread_process (inferior)->private;
   err = td_ta_map_lwp2thr (proc->thread_agent, lwpid, &th);
   if (err != TD_OK)
     error ("Cannot get thread handle for LWP %d: %s",
@@ -382,6 +383,10 @@ thread_db_get_tls_address (struct thread_info *thread, CORE_ADDR offset,
   struct lwp_info *lwp;
   struct thread_info *saved_inferior;
 
+  /* If the thread layer is not (yet) initialized, fail.  */
+  if (!get_thread_process (thread)->all_symbols_looked_up)
+    return TD_ERR;
+
   lwp = get_thread_lwp (thread);
   if (!lwp->thread_known)
     find_one_thread (lwp->head.id);