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* breakpoint.c (watchpoint_check): Remove accidentally checked in

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unused code.  Add comment.
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Corinna Vinschen 2003-09-04 17:41:48 +00:00
parent a6fbcf2f6a
commit a957e6420d
2 changed files with 11 additions and 12 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2003-09-04 Corinna Vinschen <vinschen@redhat.com>
* breakpoint.c (watchpoint_check): Remove accidentally checked in
unused code. Add comment.
2003-09-04 Corinna Vinschen <vinschen@redhat.com>
* breakpoint.c (watchpoint_check): Check for pc being in an

18
gdb/breakpoint.c
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@ -2408,24 +2408,18 @@ watchpoint_check (void *p)
the frame chain (so we can determine if we're in scope). */
reinit_frame_cache ();
fr = frame_find_by_id (b->watchpoint_frame);
#if 0
current_frame_id = get_frame_id (get_current_frame ());
within_current_scope = frame_id_eq (current_frame_id, b->watchpoint_frame)
|| frame_id_inner (current_frame_id,
b->watchpoint_frame);
#else
within_current_scope = (fr != NULL);
#endif
/* in_function_epilogue_p() returns a non-zero value if we're still
in the function but the stack frame has already been invalidated.
Since we can't rely on the values of local variables after the
stack has been destroyed, we are treating the watchpoint in that
state as `not changed' without further checking. */
#if 0
if (within_current_scope && (!fr || fr == get_current_frame ())
#else
state as `not changed' without further checking.
vinschen/2003-09-04: The former implementation left out the case
that the watchpoint frame couldn't be found by frame_find_by_id()
because the current PC is currently in an epilogue. Calling
gdbarch_in_function_epilogue_p() also when fr == NULL fixes that. */
if ((!within_current_scope || fr == get_current_frame ())
#endif
&& gdbarch_in_function_epilogue_p (current_gdbarch, read_pc ()))
return WP_VALUE_NOT_CHANGED;
if (fr && within_current_scope)