* configure: Regenerate with proper autoconf 2.13.

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

diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index cd9d1b7a2423c42b1085162a31419da119140b6a..7b359cb22060bafb0ba1054438d58bd7282e128b 100644 (file)
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -27,6 +27,8 @@
 
 #include "gdb-events.h"
 
 
 #include "gdb-events.h"
 

+struct value;
+

 /* 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
    arrays that should be independent of the target architecture.  */
 /* 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
    arrays that should be independent of the target architecture.  */


@@ -105,6 +107,14 @@ enum bptype
 
     bp_thread_event,
 
 
     bp_thread_event,
 

+    /* On the same principal, an overlay manager can arrange to call a
+       magic location in the inferior whenever there is an interesting
+       change in overlay status.  GDB can update its overlay tables
+       and fiddle with breakpoints in overlays when this breakpoint 
+       is hit.  */
+
+    bp_overlay_event, 
+

     /* These breakpoints are used to implement the "catch load" command
        on platforms whose dynamic linkers support such functionality.  */
     bp_catch_load,
     /* These breakpoints are used to implement the "catch load" command
        on platforms whose dynamic linkers support such functionality.  */
     bp_catch_load,


@@ -133,21 +143,21 @@ enum bptype
 
 /* States of enablement of breakpoint. */
 
 
 /* States of enablement of breakpoint. */
 

-enum enable
+enum enable_state

   {
   {

-    disabled,          /* The eventpoint is inactive, and cannot trigger. */
-    enabled,           /* The eventpoint is active, and can trigger. */
-    shlib_disabled,    /* The eventpoint's address is in an unloaded solib.
+    bp_disabled,       /* The eventpoint is inactive, and cannot trigger. */
+    bp_enabled,                /* The eventpoint is active, and can trigger. */
+    bp_shlib_disabled, /* The eventpoint's address is in an unloaded solib.

                           The eventpoint will be automatically enabled 
                           and reset when that solib is loaded. */
                           The eventpoint will be automatically enabled 
                           and reset when that solib is loaded. */

-    call_disabled,     /* The eventpoint has been disabled while a call 
+    bp_call_disabled,  /* The eventpoint has been disabled while a call 

                           into the inferior is "in flight", because some 
                           eventpoints interfere with the implementation of 
                           a call on some targets.  The eventpoint will be 
                           automatically enabled and reset when the call 
                           "lands" (either completes, or stops at another 
                           eventpoint). */
                           into the inferior is "in flight", because some 
                           eventpoints interfere with the implementation of 
                           a call on some targets.  The eventpoint will be 
                           automatically enabled and reset when the call 
                           "lands" (either completes, or stops at another 
                           eventpoint). */

-    permanent          /* There is a breakpoint instruction hard-wired into
+    bp_permanent       /* There is a breakpoint instruction hard-wired into

                           the target's code.  Don't try to write another
                           breakpoint instruction on top of it, or restore
                           its value.  Step over it using the architecture's
                           the target's code.  Don't try to write another
                           breakpoint instruction on top of it, or restore
                           its value.  Step over it using the architecture's


@@ -159,10 +169,10 @@ enum enable
 
 enum bpdisp
   {
 
 enum bpdisp
   {

-    del,                       /* Delete it */
-    del_at_next_stop,          /* Delete at next stop, whether hit or not */
-    disable,                   /* Disable it */
-    donttouch                  /* Leave it alone */
+    disp_del,                  /* Delete it */
+    disp_del_at_next_stop,     /* Delete at next stop, whether hit or not */
+    disp_disable,              /* Disable it */
+    disp_donttouch             /* Leave it alone */

   };
 
 enum target_hw_bp_type
   };
 
 enum target_hw_bp_type


@@ -187,22 +197,23 @@ struct breakpoint
     /* Type of breakpoint. */
     enum bptype type;
     /* Zero means disabled; remember the info but don't break here.  */
     /* Type of breakpoint. */
     enum bptype type;
     /* Zero means disabled; remember the info but don't break here.  */

-    enum enable enable;
+    enum enable_state enable_state;

     /* What to do with this breakpoint after we hit it. */
     enum bpdisp disposition;
     /* Number assigned to distinguish breakpoints.  */
     int number;
 
     /* What to do with this breakpoint after we hit it. */
     enum bpdisp disposition;
     /* Number assigned to distinguish breakpoints.  */
     int number;
 

-    /* Address to break at, or NULL if not a breakpoint.  */
+    /* 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.  */

     CORE_ADDR address;
 
     CORE_ADDR address;
 

-    /* Line number of this address.  Only matters if address is
-       non-NULL.  */
+    /* Line number of this address.  */

 
     int line_number;
 
 
     int line_number;
 

-    /* Source file name of this address.  Only matters if address is
-       non-NULL.  */
+    /* Source file name of this address.  */

 
     char *source_file;
 
 
     char *source_file;
 


@@ -217,22 +228,20 @@ struct breakpoint
        control of the target insert_breakpoint and remove_breakpoint routines.
        No other code should assume anything about the value(s) here.  */
     char shadow_contents[BREAKPOINT_MAX];
        control of the target insert_breakpoint and remove_breakpoint routines.
        No other code should assume anything about the value(s) here.  */
     char shadow_contents[BREAKPOINT_MAX];

-    /* Nonzero if this breakpoint is now inserted.  Only matters if address
-       is non-NULL.  */
+    /* Nonzero if this breakpoint is now inserted.  */

     char inserted;
     /* Nonzero if this is not the first breakpoint in the list
     char inserted;
     /* Nonzero if this is not the first breakpoint in the list

-       for the given address.  Only matters if address is non-NULL.  */
+       for the given address.  */

     char duplicate;
     /* Chain of command lines to execute when this breakpoint is hit.  */
     struct command_line *commands;
     /* Stack depth (address of frame).  If nonzero, break only if fp
        equals this.  */
     char duplicate;
     /* Chain of command lines to execute when this breakpoint is hit.  */
     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;
 

-    /* String we used to set the breakpoint (malloc'd).  Only matters if
-       address is non-NULL.  */
+    /* String we used to set the breakpoint (malloc'd).  */

     char *addr_string;
     /* Language we used to set the breakpoint.  */
     enum language language;
     char *addr_string;
     /* Language we used to set the breakpoint.  */
     enum language language;


@@ -250,10 +259,10 @@ struct breakpoint
        valid anywhere (e.g. consists just of global symbols).  */
     struct block *exp_valid_block;
     /* Value of the watchpoint the last time we checked it.  */
        valid anywhere (e.g. consists just of global symbols).  */
     struct block *exp_valid_block;
     /* Value of the watchpoint the last time we checked it.  */

-    value_ptr val;
+    struct value *val;

 
     /* Holds the value chain for a hardware watchpoint expression.  */
 
     /* Holds the value chain for a hardware watchpoint expression.  */

-    value_ptr val_chain;
+    struct value *val_chain;

 
     /* Holds the address of the related watchpoint_scope breakpoint
        when using watchpoints on local variables (might the concept
 
     /* Holds the address of the related watchpoint_scope breakpoint
        when using watchpoints on local variables (might the concept


@@ -261,10 +270,10 @@ struct breakpoint
        it the watchpoint_scope breakpoint or something like that. FIXME).  */
     struct breakpoint *related_breakpoint;
 
        it the watchpoint_scope breakpoint or something like that. FIXME).  */
     struct breakpoint *related_breakpoint;
 

-    /* Holds the frame address which identifies the frame this watchpoint
-       should be evaluated in, or NULL if the watchpoint should be evaluated
-       on the outermost frame.  */
-    CORE_ADDR watchpoint_frame;
+    /* Holds the frame address which identifies the frame this
+       watchpoint should be evaluated in, or `null' if the watchpoint
+       should be evaluated on the outermost frame.  */
+    struct frame_id watchpoint_frame;

 
     /* Thread number for thread-specific breakpoint, or -1 if don't care */
     int thread;
 
     /* Thread number for thread-specific breakpoint, or -1 if don't care */
     int thread;


@@ -313,7 +322,7 @@ extern void bpstat_clear (bpstat *);
    is part of the bpstat is copied as well.  */
 extern bpstat bpstat_copy (bpstat);
 
    is part of the bpstat is copied as well.  */
 extern bpstat bpstat_copy (bpstat);
 

-extern bpstat bpstat_stop_status (CORE_ADDR *, int);
+extern bpstat bpstat_stop_status (CORE_ADDR *pc, int not_a_sw_breakpoint);

 \f
 /* This bpstat_what stuff tells wait_for_inferior what to do with a
    breakpoint (a challenging task).  */
 \f
 /* This bpstat_what stuff tells wait_for_inferior what to do with a
    breakpoint (a challenging task).  */


@@ -480,7 +489,7 @@ struct bpstats
     /* Commands left to be done.  */
     struct command_line *commands;
     /* Old value associated with a watchpoint.  */
     /* Commands left to be done.  */
     struct command_line *commands;
     /* Old value associated with a watchpoint.  */

-    value_ptr old_val;
+    struct value *old_val;

 
     /* Nonzero if this breakpoint tells us to print the frame.  */
     char print;
 
     /* Nonzero if this breakpoint tells us to print the frame.  */
     char print;


@@ -512,14 +521,16 @@ 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);
 

-extern int frame_in_dummy (struct frame_info *);
+/* FIXME: cagney/2002-11-10: The current [generic] dummy-frame code
+   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.  */
+struct frame_info;
+extern int deprecated_frame_in_dummy (struct frame_info *);

 
 extern int breakpoint_thread_match (CORE_ADDR, ptid_t);
 
 
 extern int breakpoint_thread_match (CORE_ADDR, ptid_t);
 


@@ -532,7 +543,7 @@ 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);
 


@@ -602,10 +613,11 @@ extern void update_breakpoints_after_exec (void);
 extern int detach_breakpoints (int);
 
 extern void enable_longjmp_breakpoint (void);
 extern int detach_breakpoints (int);
 
 extern void enable_longjmp_breakpoint (void);

-

 extern void disable_longjmp_breakpoint (void);
 extern void disable_longjmp_breakpoint (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.