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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-12-02 14:26:28 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-12-16 04:40:12 -0800 |
| commit | 3c1fe20a9f4f6e12a3677ca8a5921ac03976da3b (patch) | |
| tree | d3b017c4ef79c2fc9888f5c025f9ad25ecd43cde | |
| parent | bcf47eb0fba4c6278aadd6a377d6b7b3f673e17c (diff) | |
| download | glibc-3c1fe20a9f4f6e12a3677ca8a5921ac03976da3b.tar.gz glibc-3c1fe20a9f4f6e12a3677ca8a5921ac03976da3b.tar.xz glibc-3c1fe20a9f4f6e12a3677ca8a5921ac03976da3b.zip | |
Mark __libc_freeres_fn as used [BZ #27002]
GCC 11 with
commit 6fbec038f7a7ddf29f074943611b53210d17c40c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Mon Feb 3 11:55:43 2020 -0800
Use SHF_GNU_RETAIN to preserve symbol definitions
places used symbols in SECTION_RETAIN sections if assembler supports it.
Mark __libc_freeres_fn as used to avoid
gconv_dl.c: In function 'free_mem':
gconv_dl.c:191:1: error: 'do_release_all' without 'used' attribute and 'free_mem' with 'used' attribute are placed in a section with the same name [-Werror=attributes]
191 | do_release_all (void *nodep)
| ^~~~~~~~~~~~~~
In file included from <command-line>:
gconv_dl.c:202:18: note: 'free_mem' was declared here
202 | libc_freeres_fn (free_mem)
| ^~~~~~~~
./../include/libc-symbols.h:316:15: note: in definition of macro 'libc_freeres_fn'
316 | static void name (void)
| ^~~~
cc1: all warnings being treated as errors
| -rw-r--r-- | include/libc-symbols.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h index 154a73b5e5..f06ce3053a 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -307,7 +307,7 @@ for linking") /* Resource freeing functions from libc.so go in this section. */ #define __libc_freeres_fn_section \ - __attribute__ ((section ("__libc_freeres_fn"))) + __attribute__ ((__used__, section ("__libc_freeres_fn"))) /* Resource freeing functions for libc.so. */ #define libc_freeres_fn(name) \ |