Opened on 02/05/20 at 09:43:33

Closed on 05/02/21 at 18:41:12

Last modified on 06/23/21 at 07:16:03

#3866 closed enhancement (fixed)

Add support for GCC 10 noinit attribute

Reported by: Sebastian Huber Owned by: Sebastian Huber
Priority: normal Milestone: 6.1
Component: bsps Version: 6
Severity: normal Keywords: qualification
Cc: Blocked By:
Blocking:

Description

In GCC 10 there is a new common variable attribute noinit:

​https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-noinit-variable-attribute

​https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;a=commit;h=f0033821c1c9ba386a1983499a666d5759cdd943

To support this, a change in the linker command files is necessary.

Change History (8)

comment:1 Changed on 02/05/20 at 21:47:47 by Chris Johns

Does clang have this support?

comment:2 Changed on 02/09/20 at 16:40:17 by Sebastian Huber

clang doesn't support this attribute. I added an enhancement request for this:

​https://bugs.llvm.org/show_bug.cgi?id=44811

As a workaround for clang and GCC < 10 you can use the section attribute. The key issue is to have support for .noinit section in the linker command files.

comment:3 Changed on 02/25/20 at 07:22:23 by Sebastian Huber

Milestone: 5.1 → 6.1
Version: 5 → 6

comment:4 Changed on 05/02/21 at 18:41:04 by Sebastian Huber <sebastian.huber@…>

In a84bf96/rtems:

basedefs: Add RTEMS_NOINIT

Update #3866.

comment:5 Changed on 05/02/21 at 18:41:08 by Sebastian Huber <sebastian.huber@…>

In e10dec0/rtems:

bsps: Support RTEMS_NOINIT in linkcmds

Update #3866.

comment:6 Changed on 05/02/21 at 18:41:12 by Sebastian Huber <sebastian.huber@…>

Resolution: → fixed
Status: assigned → closed

In 2df9541/rtems:

spmisc01: Test RTEMS_NOINIT

Close #3866.

comment:7 Changed on 05/03/21 at 12:05:34 by Sebastian Huber <sebastian.huber@…>

In eb7c33ad/rtems:

bsps/riscv: Support RTEMS_NOINIT in linkcmds

Update #3866.

comment:8 Changed on 06/23/21 at 07:16:03 by Sebastian Huber

Keywords: qualification added
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