* gdb.base/macscp.exp (objfile): Move it to ${objdir}/${subdir}/.

[deliverable/binutils-gdb.git] / gdb / frame.h

diff --git a/gdb/frame.h b/gdb/frame.h
index 1441e1222826f78ab3fa5d37b8b3fc3daf4dddf2..224aec9a03591fb0d5717c60329d817a03ab6389 100644 (file)
--- a/gdb/frame.h
+++ b/gdb/frame.h
@@ -1,7 +1,7 @@
 /* Definitions for dealing with stack frames, for GDB, the GNU debugger.
 
    Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997,
-   1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008
+   1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -111,7 +111,7 @@ struct frame_id
      frames that do not change the stack but are still distinct and have 
      some form of distinct identifier (e.g. the ia64 which uses a 2nd 
      stack for registers).  This field is treated as unordered - i.e. will
-     not be used in frame ordering comparisons such as frame_id_inner().
+     not be used in frame ordering comparisons.
 
      This field is valid only if special_addr_p is true.  Otherwise, this
      frame is considered to have a wildcard special address, i.e. one that
@@ -124,22 +124,7 @@ struct frame_id
   unsigned int special_addr_p : 1;
 };
 
-/* Methods for constructing and comparing Frame IDs.
-
-   NOTE: Given stackless functions A and B, where A calls B (and hence
-   B is inner-to A).  The relationships: !eq(A,B); !eq(B,A);
-   !inner(A,B); !inner(B,A); all hold.
-
-   This is because, while B is inner-to A, B is not strictly inner-to A.  
-   Being stackless, they have an identical .stack_addr value, and differ 
-   only by their unordered .code_addr and/or .special_addr values.
-
-   Because frame_id_inner is only used as a safety net (e.g.,
-   detect a corrupt stack) the lack of strictness is not a problem.
-   Code needing to determine an exact relationship between two frames
-   must instead use frame_id_eq and frame_id_unwind.  For instance,
-   in the above, to determine that A stepped-into B, the equation
-   "A.id != B.id && A.id == id_unwind (B)" can be used.  */
+/* Methods for constructing and comparing Frame IDs.  */
 
 /* For convenience.  All fields are zero.  */
 extern const struct frame_id null_frame_id;
@@ -176,12 +161,6 @@ extern int frame_id_p (struct frame_id l);
    either L or R have a zero .func, then the same frame base.  */
 extern int frame_id_eq (struct frame_id l, struct frame_id r);
 
-/* Returns non-zero when L is strictly inner-than R (they have
-   different frame .bases).  Neither L, nor R can be `null'.  See note
-   above about frameless functions.  */
-extern int frame_id_inner (struct gdbarch *gdbarch, struct frame_id l,
-                          struct frame_id r);
-
 /* Write the internal representation of a frame ID on the specified
    stream.  */
 extern void fprint_frame_id (struct ui_file *file, struct frame_id id);
@@ -225,6 +204,11 @@ enum frame_type
    error.  */
 extern struct frame_info *get_current_frame (void);
 
+/* Does the current target interface have enough state to be able to
+   query the current inferior for frame info, and is the inferior in a
+   state where that is possible?  */
+extern int has_stack_frames (void);
+
 /* Invalidates the frame cache (this function should have been called
    invalidate_cached_frames).
 
@@ -681,22 +665,4 @@ extern struct frame_info *deprecated_safe_get_selected_frame (void);
 
 extern struct frame_info *create_new_frame (CORE_ADDR base, CORE_ADDR pc);
 
-/* FIXME: cagney/2002-12-06: Has the PC in the current frame changed?
-   "infrun.c", Thanks to gdbarch_decr_pc_after_break, can change the PC after
-   the initial frame create.  This puts things back in sync.
-
-   This replaced: frame->pc = ....; */
-extern void deprecated_update_frame_pc_hack (struct frame_info *frame,
-                                            CORE_ADDR pc);
-
-/* FIXME: cagney/2002-12-18: Has the frame's base changed?  Or to be
-   more exact, was that initial guess at the frame's base as returned
-   by the deleted read_fp() wrong?  If it was, fix it.  This shouldn't
-   be necessary since the code should be getting the frame's base
-   correct from the outset.
-
-   This replaced: frame->frame = ....; */
-extern void deprecated_update_frame_base_hack (struct frame_info *frame,
-                                              CORE_ADDR base);
-
 #endif /* !defined (FRAME_H)  */