Changeset dd7df1c in mainline for uspace/lib/c/generic/rtld/symbol.c


Ignore:
Timestamp:
2023-10-22T17:26:17Z (17 months ago)
Author:
Jiří Zárevúcky <zarevucky.jiri@…>
Branches:
master, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
dcef1127
Parents:
71b4444
git-author:
Vojtech Horky <vojtech.horky@…> (2023-07-14 09:54:21)
git-committer:
Jiří Zárevúcky <zarevucky.jiri@…> (2023-10-22 17:26:17)
Message:

Silence spurious/unwanted GCC warnings using pragmas

File:
1 edited

Legend:

Unmodified
Added
Removed
  • uspace/lib/c/generic/rtld/symbol.c

    r71b4444 rdd7df1c  
    135135        modules_untag(start->rtld);
    136136
    137         /* Insert root (the program) into the queue and tag it */
     137        /*
     138         * Insert root (the program) into the queue and tag it.
     139         *
     140         * We disable the dangling-pointer warning because the compiler incorrectly
     141         * assumes that we leak local address (queue) to a parent scope (to start
     142         * argument). However, we always empty the list so the pointer cannot
     143         * actually escape. Probably the compiler can never statically analyze that
     144         * correctly.
     145         */
    138146        list_initialize(&queue);
    139147        start->bfs_tag = true;
     148#pragma GCC diagnostic push
     149#if defined(__GNUC__) && (__GNUC__ >= 12)
     150#pragma GCC diagnostic ignored "-Wdangling-pointer"
     151#endif
    140152        list_append(&start->queue_link, &queue);
     153#pragma GCC diagnostic pop
    141154
    142155        /* If the symbol is found, it will be stored in 'sym' */
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