* breakpoint.h (struct breakpoint_ops): New.

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

diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index 3abdca746907534192d8a13242bc2cc9a9b6b002..86eec4ae3105280d96e95f09b9f2a3d725388a48 100644 (file)
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -28,6 +28,7 @@
 #include "gdb-events.h"
 
 struct value;
 #include "gdb-events.h"
 
 struct value;

+struct block;

 
 /* This is the maximum number of bytes a breakpoint instruction can take.
    Feel free to increase it.  It's just used in a few places to size
 
 /* This is the maximum number of bytes a breakpoint instruction can take.
    Feel free to increase it.  It's just used in a few places to size


@@ -183,6 +184,24 @@ enum target_hw_bp_type
     hw_execute = 3             /* Execute HW breakpoint */
   };
 
     hw_execute = 3             /* Execute HW breakpoint */
   };
 

+/* This structure is a collection of function pointers that, if available,
+   will be called instead of the performing the default action for this
+   bptype.  */
+
+struct breakpoint_ops 
+{
+  /* The normal print routine for this breakpoint, called when we
+     hit it.  */
+  enum print_stop_action (*print_it) (struct breakpoint *);
+
+  /* Display information about this breakpoint, for "info breakpoints".  */
+  void (*print_one) (struct breakpoint *, CORE_ADDR *);
+
+  /* Display information about this breakpoint after setting it (roughly
+     speaking; this is called from "mention").  */
+  void (*print_mention) (struct breakpoint *);
+};
+

 /* Note that the ->silent field is not currently used by any commands
    (though the code is in there if it was to be, and set_raw_breakpoint
    does set it to 0).  I implemented it because I thought it would be
 /* Note that the ->silent field is not currently used by any commands
    (though the code is in there if it was to be, and set_raw_breakpoint
    does set it to 0).  I implemented it because I thought it would be


@@ -203,10 +222,10 @@ struct breakpoint
     /* Number assigned to distinguish breakpoints.  */
     int number;
 
     /* Number assigned to distinguish breakpoints.  */
     int number;
 

-    /* Address to break at.
-       Note that zero is a perfectly valid code address on some
-       platforms (for example, the mn10200 and mn10300 simulators).
-       NULL is not a special value for this field.  */
+    /* Address to break at.  Note that zero is a perfectly valid code
+       address on some platforms (for example, the OBSOLETE mn10200
+       and mn10300 simulators).  NULL is not a special value for this
+       field.  */

     CORE_ADDR address;
 
     /* Line number of this address.  */
     CORE_ADDR address;
 
     /* Line number of this address.  */


@@ -237,7 +256,7 @@ struct breakpoint
     struct command_line *commands;
     /* Stack depth (address of frame).  If nonzero, break only if fp
        equals this.  */
     struct command_line *commands;
     /* Stack depth (address of frame).  If nonzero, break only if fp
        equals this.  */

-    CORE_ADDR frame;
+    struct frame_id frame_id;

     /* Conditional.  Break only if this expression's value is nonzero.  */
     struct expression *cond;
 
     /* Conditional.  Break only if this expression's value is nonzero.  */
     struct expression *cond;
 


@@ -305,6 +324,9 @@ struct breakpoint
     char *exec_pathname;
 
     asection *section;
     char *exec_pathname;
 
     asection *section;

+
+    /* Methods associated with this breakpoint.  */
+    struct breakpoint_ops *ops;

   };
 \f
 /* The following stuff is an abstract data type "bpstat" ("breakpoint
   };
 \f
 /* The following stuff is an abstract data type "bpstat" ("breakpoint


@@ -521,9 +543,6 @@ enum breakpoint_here
 
 /* Prototypes for breakpoint-related functions.  */
 
 
 /* Prototypes for breakpoint-related functions.  */
 

-/* Forward declarations for prototypes */
-struct frame_info;
-

 extern enum breakpoint_here breakpoint_here_p (CORE_ADDR);
 
 extern int breakpoint_inserted_here_p (CORE_ADDR);
 extern enum breakpoint_here breakpoint_here_p (CORE_ADDR);
 
 extern int breakpoint_inserted_here_p (CORE_ADDR);


@@ -532,16 +551,12 @@ extern int breakpoint_inserted_here_p (CORE_ADDR);
    implements a functional superset of this function.  The only reason
    it hasn't been removed is because some architectures still don't
    use the new framework.  Once they have been fixed, this can go.  */
    implements a functional superset of this function.  The only reason
    it hasn't been removed is because some architectures still don't
    use the new framework.  Once they have been fixed, this can go.  */

-/* FIXME: cagney/2002-11-10: There should be a function (hmm,
-   something like, enum { NORMAL_FRAME, DUMMY_FRAME, SIGTRAMP_FRAME }
-   get_frame_type() ...) that the caller can use to determine the
-   frame's type.  This could replace this function, PC_IN_CALL_DUMMY,
-   and fi->signal_handler_caller.  */
+struct frame_info;

 extern int deprecated_frame_in_dummy (struct frame_info *);
 
 extern int breakpoint_thread_match (CORE_ADDR, ptid_t);
 
 extern int deprecated_frame_in_dummy (struct frame_info *);
 
 extern int breakpoint_thread_match (CORE_ADDR, ptid_t);
 

-extern void until_break_command (char *, int);
+extern void until_break_command (char *, int, int);

 
 extern void breakpoint_re_set (void);
 
 
 extern void breakpoint_re_set (void);
 


@@ -550,7 +565,7 @@ extern void breakpoint_re_set_thread (struct breakpoint *);
 extern int ep_is_exception_catchpoint (struct breakpoint *);
 
 extern struct breakpoint *set_momentary_breakpoint
 extern int ep_is_exception_catchpoint (struct breakpoint *);
 
 extern struct breakpoint *set_momentary_breakpoint

-  (struct symtab_and_line, struct frame_info *, enum bptype);
+  (struct symtab_and_line, struct frame_id, enum bptype);

 
 extern void set_ignore_count (int, int, int);
 
 
 extern void set_ignore_count (int, int, int);
 


@@ -624,12 +639,12 @@ extern void disable_longjmp_breakpoint (void);
 extern void enable_overlay_breakpoints (void);
 extern void disable_overlay_breakpoints (void);
 
 extern void enable_overlay_breakpoints (void);
 extern void disable_overlay_breakpoints (void);
 

-extern void set_longjmp_resume_breakpoint (CORE_ADDR, struct frame_info *);
+extern void set_longjmp_resume_breakpoint (CORE_ADDR, struct frame_id);

 /* These functions respectively disable or reenable all currently
    enabled watchpoints.  When disabled, the watchpoints are marked
    call_disabled.  When reenabled, they are marked enabled.
 
 /* These functions respectively disable or reenable all currently
    enabled watchpoints.  When disabled, the watchpoints are marked
    call_disabled.  When reenabled, they are marked enabled.
 

-   The intended client of these functions is infcmd.c\run_stack_dummy.
+   The intended client of these functions is call_function_by_hand.

 
    The inferior must be stopped, and all breakpoints removed, when
    these functions are used.
 
    The inferior must be stopped, and all breakpoints removed, when
    these functions are used.