* [PATCH] Add assert checking that CU is not referenced from PU
@ 2021-02-25 14:46 Tom de Vries
0 siblings, 0 replies; only message in thread
From: Tom de Vries @ 2021-02-25 14:46 UTC (permalink / raw)
To: dwz, jakub, mark
Hi,
One of the invariants of dwz is that references from a newly created PU can
only reference other PUs.
Add an assert that checks this.
Any comments?
Thanks,
- Tom
Add assert checking that CU is not referenced from PU
2021-02-25 Tom de Vries <tdevries@suse.de>
* dwz.c (write_die): Add assert.
---
dwz.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/dwz.c b/dwz.c
index 89cf8d1..887bf24 100644
--- a/dwz.c
+++ b/dwz.c
@@ -12572,6 +12572,8 @@ write_die (unsigned char *ptr, dw_cu_ref cu, dw_die_ref die,
{
dw_cu_ref refdcu = die_cu (refd);
value = refd->u.p2.die_new_offset;
+ assert (IMPLIES (cu->cu_kind == CU_PU,
+ die_cu (refd)->cu_kind == CU_PU));
assert (value && refdcu->cu_kind != CU_ALT);
if (t->attr[j].form == DW_FORM_ref_addr)
{
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