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thread.c: cleanup breakpoint deletion 

A little refactoring to reduce duplicate code.

gdb/
2014-10-15  Pedro Alves  <palves@redhat.com>

	* thread.c (delete_thread_breakpoint): New function.
	(delete_step_resume_breakpoint)
	(delete_exception_resume_breakpoint): Use it.
	(delete_at_next_stop): New function.
	(clear_thread_inferior_resources): Use delete_at_next_stop.
This commit is contained in:
Pedro Alves 2014-10-15 20:18:32 +01:00
parent a1fd2fa599
commit 5b834a0a5d
2 changed files with 37 additions and 20 deletions
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8
gdb/ChangeLog
View File

@ -1,3 +1,11 @@
2014-10-15 Pedro Alves <palves@redhat.com>
* thread.c (delete_thread_breakpoint): New function.
(delete_step_resume_breakpoint)
(delete_exception_resume_breakpoint): Use it.
(delete_at_next_stop): New function.
(clear_thread_inferior_resources): Use delete_at_next_stop.
2014-10-15 Pedro Alves <palves@redhat.com>
* breakpoint.c (regular_breakpoint_inserted_here_p): Inline ...

49
gdb/thread.c
View File

@ -91,23 +91,42 @@ inferior_thread (void)
return tp;
}
/* Delete the breakpoint pointed at by BP_P, if there's one. */
static void
delete_thread_breakpoint (struct breakpoint **bp_p)
{
if (*bp_p != NULL)
{
delete_breakpoint (*bp_p);
*bp_p = NULL;
}
}
void
delete_step_resume_breakpoint (struct thread_info *tp)
{
if (tp && tp->control.step_resume_breakpoint)
{
delete_breakpoint (tp->control.step_resume_breakpoint);
tp->control.step_resume_breakpoint = NULL;
}
if (tp != NULL)
delete_thread_breakpoint (&tp->control.step_resume_breakpoint);
}
void
delete_exception_resume_breakpoint (struct thread_info *tp)
{
if (tp && tp->control.exception_resume_breakpoint)
if (tp != NULL)
delete_thread_breakpoint (&tp->control.exception_resume_breakpoint);
}
/* Delete the breakpoint pointed at by BP_P at the next stop, if
there's one. */
static void
delete_at_next_stop (struct breakpoint **bp)
{
if (*bp != NULL)
{
delete_breakpoint (tp->control.exception_resume_breakpoint);
tp->control.exception_resume_breakpoint = NULL;
(*bp)->disposition = disp_del_at_next_stop;
*bp = NULL;
}
}
@ -118,18 +137,8 @@ clear_thread_inferior_resources (struct thread_info *tp)
but not any user-specified thread-specific breakpoints. We can not
delete the breakpoint straight-off, because the inferior might not
be stopped at the moment. */
if (tp->control.step_resume_breakpoint)
{
tp->control.step_resume_breakpoint->disposition = disp_del_at_next_stop;
tp->control.step_resume_breakpoint = NULL;
}
if (tp->control.exception_resume_breakpoint)
{
tp->control.exception_resume_breakpoint->disposition
= disp_del_at_next_stop;
tp->control.exception_resume_breakpoint = NULL;
}
delete_at_next_stop (&tp->control.step_resume_breakpoint);
delete_at_next_stop (&tp->control.exception_resume_breakpoint);
delete_longjmp_breakpoint_at_next_stop (tp->num);