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* breakpoint.c (watchpoint_check): Check for pc being in an

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epilogue if watchpoint frame couldn't be found.
This commit is contained in:
Corinna Vinschen 2003-09-04 17:24:53 +00:00
parent c14a44d507
commit a6fbcf2f6a
2 changed files with 21 additions and 2 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): Check for pc being in an
epilogue if watchpoint frame couldn't be found.
2003-09-04 Andrew Cagney <cagney@redhat.com>
* Makefile.in: Re-generate all dependencies.

18
gdb/breakpoint.c
View File

@ -2393,6 +2393,9 @@ watchpoint_check (void *p)
struct breakpoint *b;
struct frame_info *fr;
int within_current_scope;
#if 0
struct frame_id current_frame_id;
#endif
b = bs->breakpoint_at;
@ -2405,16 +2408,27 @@ 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 (within_current_scope && fr == get_current_frame ()
#if 0
if (within_current_scope && (!fr || fr == get_current_frame ())
#else
if ((!within_current_scope || fr == get_current_frame ())
#endif
&& gdbarch_in_function_epilogue_p (current_gdbarch, read_pc ()))
return WP_VALUE_NOT_CHANGED;
if (within_current_scope)
if (fr && within_current_scope)
/* If we end up stopping, the current frame will get selected
in normal_stop. So this call to select_frame won't affect
the user. */