* [Bug default/27561] New: low-mem odr
@ 2021-03-11 13:30 vries at gcc dot gnu.org
2021-03-11 14:07 ` [Bug default/27561] [dwz] " vries at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: vries at gcc dot gnu.org @ 2021-03-11 13:30 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=27561
Bug ID: 27561
Summary: low-mem odr
Product: dwz
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P2
Component: default
Assignee: nobody at sourceware dot org
Reporter: vries at gcc dot gnu.org
CC: dwz at sourceware dot org
Target Milestone: ---
Atm odr is disabled in low-mem mode, here in set_die_odr_state:
...
if (low_mem)
/* Todo: allow low-mem mode. */
return;
...
In principle, we could enable this.
When doing the enable-and-see-what-breaks approach, we get a few easy things to
fix. Using --devel-verify-dups also helps. But after that, we run into harder
problems.
ISTM that enabling this only makes sense in a setup where all accesses of
struct dw_die fields after die_parent (so, the ones that are conditionally
available) can be (optionally) instrumented such that it's checked whether the
field is indeed available.
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2021-03-11 13:30 [Bug default/27561] New: low-mem odr vries at gcc dot gnu.org
2021-03-11 14:07 ` [Bug default/27561] [dwz] " vries at gcc dot gnu.org
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