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* breakpoint.c (bpstat_print): Try all elements on the bpstat

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chain before giving up with an internal error.

Sun Apr 21 21:43:10 1991  Jim Kingdon  (kingdon at cygint.cygnus.com)

	* value.h, values.c (value_{,free_to_}mark): New functions.
	breakpoint.c (bpstat_stop_status): Use them.
This commit is contained in:
Jim Kingdon
1991-04-22 07:08:07 +00:00
parent 33614d0fc6
commit fcb887ffcd
4 changed files with 50 additions and 2 deletions
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17
gdb/breakpoint.c
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@@ -643,6 +643,13 @@ bpstat_print (bs)
return 1;
}
/* Maybe another breakpoint in the chain caused us to stop.
(Currently all watchpoints go on the bpstat whether hit or
not. That probably could (should) be changed, provided care is taken
with respect to bpstat_explains_signal). */
if (bs->next)
return bpstat_print (bs->next);
fprintf_filtered (stderr, "gdb internal error: in bpstat_print\n");
return 0;
}
@@ -742,10 +749,16 @@ bpstat_stop_status (pc, frame_address)
if (within_current_scope)
{
/* We use value_{,free_to_}mark because it could be a
*long* time before we return to the command level and
call free_all_values. */
value mark = value_mark ();
value new_val = evaluate_expression (b->exp);
release_value (new_val);
if (!value_equal (b->val, new_val))
{
release_value (new_val);
value_free_to_mark (mark);
bs->old_val = b->val;
b->val = new_val;
/* We will stop here */
@@ -753,7 +766,7 @@ bpstat_stop_status (pc, frame_address)
else
{
/* Nothing changed, don't do anything. */
value_free (new_val);
value_free_to_mark (mark);
continue;
/* We won't stop here */
}