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Diffstat (limited to 'spec/rtems/basedefs/req/packed-0.yml')
| -rw-r--r-- | spec/rtems/basedefs/req/packed-0.yml | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/spec/rtems/basedefs/req/packed-0.yml b/spec/rtems/basedefs/req/packed-0.yml new file mode 100644 index 00000000..2a6085be --- /dev/null +++ b/spec/rtems/basedefs/req/packed-0.yml @@ -0,0 +1,22 @@ +SPDX-License-Identifier: CC-BY-SA-4.0 +copyrights: +- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) +enabled-by: true +links: +- role: requirement-refinement + uid: ../if/packed +non-functional-type: interface +rationale: | + Note: The 4.1, 4.2 and 4.3 series of GCC ignore the packed attribute + on bit-fields of type char. +references: [] +requirement-type: non-functional +text: | + When the code is compiled with the GNU C compiler, + and the ${../if/packed:/name} macro is used as last part of a + structure member declaration, + and the ``aligned`` attribute or ${../if/aligned:/name} macro + is not used on this structure member, + the ${../if/packed:/name} macro shall cause the structure member + to be aligned at one bit for a bit-field member and one byte otherwise. +type: requirement |