* frame.c: Update copyright year.

(get_prev_frame): Improve comment.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8d1c62c051c9dbeea518910d768636517f178101..3391836abeffb2c0ee68984c75b5642fb040ee81 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,8 @@
 2004-01-11  Mark Kettenis  <kettenis@gnu.org>
 
+       * frame.c: Update copyright year.
+       (get_prev_frame): Improve comment.
+
        * sparc64fbsd-tdep.c: Include "regset.h".
        (sparc64fbsd_sizeof_struct_reg, sparc64fbsd_sizeof_struct_fpreg):
        Remove variables.

diff --git a/gdb/frame.c b/gdb/frame.c
index b8a7b256186c0954c3317e5e922b05e899677517..a7da9196b0f222147c339fbb771a0d6109709f7d 100644 (file)
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -1,7 +1,7 @@
 /* Cache and manage frames for GDB, the GNU debugger.
 
    Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000,
-   2001, 2002, 2003 Free Software Foundation, Inc.
+   2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -1726,7 +1726,12 @@ legacy_get_prev_frame (struct frame_info *this_frame)
 
 /* Return a structure containing various interesting information
    about the frame that called THIS_FRAME.  Returns NULL
-   if there is no such frame.  */
+   if there is no such frame.
+
+   This function tests some target-independent conditions that should
+   terminate the frame chain, such as unwinding past main().  It
+   should not contain any target-dependent tests, such as checking
+   whether the program-counter is zero.  */
 
 struct frame_info *
 get_prev_frame (struct frame_info *this_frame)