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* elf32-spu.c (struct call_info): New member broken_cycle.

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(remove_cycle): Instead of physically removing call_info structures
	to break call graph cycles, mark them using the broken_cycle flag.
	(mark_overlay_section): Respect broken_cycle flag.
	(unmark_overlay_section): Likewise.
	(collect_lib_sections): Likewise.
	(collect_overlays): Likewise.
	(sum_stack): Likewise.
This commit is contained in:
Ulrich Weigand 2009-05-28 10:47:44 +00:00
parent 34ad4cb0b5
commit 5ebe285860
2 changed files with 26 additions and 9 deletions
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11
bfd/ChangeLog
View file

@ -1,3 +1,14 @@
2009-05-28 Ulrich Weigand <uweigand@de.ibm.com>
* elf32-spu.c (struct call_info): New member broken_cycle.
(remove_cycle): Instead of physically removing call_info structures
to break call graph cycles, mark them using the broken_cycle flag.
(mark_overlay_section): Respect broken_cycle flag.
(unmark_overlay_section): Likewise.
(collect_lib_sections): Likewise.
(collect_overlays): Likewise.
(sum_stack): Likewise.
2009-05-28 Ulrich Weigand <uweigand@de.ibm.com>
* elf32-spu.c (insert_callee): Accumulate incoming callee->count.

24
bfd/elf32-spu.c
View file

@ -367,6 +367,7 @@ struct call_info
unsigned int max_depth;
unsigned int is_tail : 1;
unsigned int is_pasted : 1;
unsigned int broken_cycle : 1;
unsigned int priority : 13;
};
@ -3271,9 +3272,8 @@ remove_cycles (struct function_info *fun,
"from %s to %s\n"),
f1, f2);
}
*callp = call->next;
free (call);
continue;
call->broken_cycle = TRUE;
}
callp = &call->next;
}
@ -3516,7 +3516,8 @@ mark_overlay_section (struct function_info *fun,
BFD_ASSERT (!fun->sec->segment_mark);
fun->sec->segment_mark = 1;
}
if (!mark_overlay_section (call->fun, info, param))
if (!call->broken_cycle
&& !mark_overlay_section (call->fun, info, param))
return FALSE;
}
@ -3576,7 +3577,8 @@ unmark_overlay_section (struct function_info *fun,
}
for (call = fun->call_list; call != NULL; call = call->next)
if (!unmark_overlay_section (call->fun, info, param))
if (!call->broken_cycle
&& !unmark_overlay_section (call->fun, info, param))
return FALSE;
if (RECURSE_UNMARK)
@ -3627,7 +3629,8 @@ collect_lib_sections (struct function_info *fun,
}
for (call = fun->call_list; call != NULL; call = call->next)
collect_lib_sections (call->fun, info, param);
if (!call->broken_cycle)
collect_lib_sections (call->fun, info, param);
return TRUE;
}
@ -3821,7 +3824,7 @@ collect_overlays (struct function_info *fun,
fun->visit7 = TRUE;
for (call = fun->call_list; call != NULL; call = call->next)
if (!call->is_pasted)
if (!call->is_pasted && !call->broken_cycle)
{
if (!collect_overlays (call->fun, info, ovly_sections))
return FALSE;
@ -3867,7 +3870,8 @@ collect_overlays (struct function_info *fun,
}
for (call = fun->call_list; call != NULL; call = call->next)
if (!collect_overlays (call->fun, info, ovly_sections))
if (!call->broken_cycle
&& !collect_overlays (call->fun, info, ovly_sections))
return FALSE;
if (added_fun)
@ -3918,6 +3922,8 @@ sum_stack (struct function_info *fun,
max = NULL;
for (call = fun->call_list; call; call = call->next)
{
if (call->broken_cycle)
continue;
if (!call->is_pasted)
has_call = TRUE;
if (!sum_stack (call->fun, info, sum_stack_param))
@ -3961,7 +3967,7 @@ sum_stack (struct function_info *fun,
{
info->callbacks->minfo (_(" calls:\n"));
for (call = fun->call_list; call; call = call->next)
if (!call->is_pasted)
if (!call->is_pasted && !call->broken_cycle)
{
const char *f2 = func_name (call->fun);
const char *ann1 = call->fun == max ? "*" : " ";