diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 11:21:20 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 11:21:20 +0100 |
| commit | 2ace52718376fdb56aca863da2eebe70d7e2ddb1 (patch) | |
| tree | 494517cf79608fa93840a3c84ee5e6118da5f26f /include/linux/stddef.h | |
| parent | a53d0cf7f1cb3182ad533ff5cacfa5fd29c419ad (diff) | |
| parent | 11991999a20145b7f8af21202d0cac6b1f90a6e4 (diff) | |
Merge branch 'objtool/core'
Bring in the UDB and objtool data annotations to avoid conflicts while further extending the bug exceptions.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/linux/stddef.h')
| -rw-r--r-- | include/linux/stddef.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/include/linux/stddef.h b/include/linux/stddef.h index dab49e2ec8c0..80b6bfb944f0 100644 --- a/include/linux/stddef.h +++ b/include/linux/stddef.h @@ -94,7 +94,8 @@ enum { __DECLARE_FLEX_ARRAY(TYPE, NAME) /** - * TRAILING_OVERLAP() - Overlap a flexible-array member with trailing members. + * __TRAILING_OVERLAP() - Overlap a flexible-array member with trailing + * members. * * Creates a union between a flexible-array member (FAM) in a struct and a set * of additional members that would otherwise follow it. @@ -102,15 +103,30 @@ enum { * @TYPE: Flexible structure type name, including "struct" keyword. * @NAME: Name for a variable to define. * @FAM: The flexible-array member within @TYPE + * @ATTRS: Any struct attributes (usually empty) * @MEMBERS: Trailing overlapping members. */ -#define TRAILING_OVERLAP(TYPE, NAME, FAM, MEMBERS) \ +#define __TRAILING_OVERLAP(TYPE, NAME, FAM, ATTRS, MEMBERS) \ union { \ TYPE NAME; \ struct { \ - unsigned char __offset_to_##FAM[offsetof(TYPE, FAM)]; \ + unsigned char __offset_to_FAM[offsetof(TYPE, FAM)]; \ MEMBERS \ - }; \ + } ATTRS; \ } +/** + * TRAILING_OVERLAP() - Overlap a flexible-array member with trailing members. + * + * Creates a union between a flexible-array member (FAM) in a struct and a set + * of additional members that would otherwise follow it. + * + * @TYPE: Flexible structure type name, including "struct" keyword. + * @NAME: Name for a variable to define. + * @FAM: The flexible-array member within @TYPE + * @MEMBERS: Trailing overlapping members. + */ +#define TRAILING_OVERLAP(TYPE, NAME, FAM, MEMBERS) \ + __TRAILING_OVERLAP(TYPE, NAME, FAM, /* no attrs */, MEMBERS) + #endif |