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2004-03-05 Andrew Cagney <cagney@redhat.com> 

* infrun.c (step_over_function): When non-legacy code, and no
	step_frame_id, use the unwinder to get the caller's frame ID.
This commit is contained in:
Andrew Cagney 2004-03-06 00:10:06 +00:00
parent 5b469bcad5
commit c107cc1b31
2 changed files with 26 additions and 4 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2004-03-05 Andrew Cagney <cagney@redhat.com>
* infrun.c (step_over_function): When non-legacy code, and no
step_frame_id, use the unwinder to get the caller's frame ID.
2004-03-05 Mark Kettenis <kettenis@gnu.org>
* i386bsd-tdep.c (_initialize_i386bsd_tdep): Register

25
gdb/infrun.c
View File

@ -2930,6 +2930,7 @@ static void
step_over_function (struct execution_control_state *ecs)
{
struct symtab_and_line sr_sal;
struct frame_id sr_id;
init_sal (&sr_sal); /* initialize to zeros */
@ -2973,13 +2974,29 @@ step_over_function (struct execution_control_state *ecs)
sr_sal.section = find_pc_overlay (sr_sal.pc);
check_for_old_step_resume_breakpoint ();
step_resume_breakpoint =
set_momentary_breakpoint (sr_sal, get_frame_id (get_current_frame ()),
bp_step_resume);
if (frame_id_p (step_frame_id)
&& !IN_SOLIB_DYNSYM_RESOLVE_CODE (sr_sal.pc))
step_resume_breakpoint->frame_id = step_frame_id;
/* NOTE: cagney/2004-02-27: Use the global state's idea of the
stepping frame ID. I suspect this is done as it is lighter
weight than a call to get_prev_frame. */
sr_id = step_frame_id;
else if (legacy_frame_p (current_gdbarch))
/* NOTE: cagney/2004-02-27: This is the way it was 'cos this is
the way it always was. It should be using the unwound (or
caller's) ID, and not this (or the callee's) ID. It appeared
to work because: legacy architectures used the wrong end of the
frame for the ID.stack (inner-most rather than outer-most) so
that the callee's id.stack (un adjusted) matched the caller's
id.stack giving the "correct" id; more often than not
!IN_SOLIB_DYNSYM_RESOLVE_CODE and hence the code above (it was
originally later in the function) fixed the ID by using global
state. */
sr_id = get_frame_id (get_current_frame ());
else
sr_id = get_frame_id (get_prev_frame (get_current_frame ()));
step_resume_breakpoint = set_momentary_breakpoint (sr_sal, sr_id, bp_step_resume);
if (breakpoints_inserted)
insert_breakpoints ();