https://sourceware.org/bugzilla/show_bug.cgi?id=34312
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2.47
Summary|[2.44 Regression] glibc |[2.47 Regression] Warning:
|failed to build for i686 |local symbol
| |`_dl_sysinfo_int80' has
| |non-default visibility
Status|RESOLVED |REOPENED
Resolution|INVALID |---
Product|glibc |binutils
Component|build |gas
CC|carlos at redhat dot com |jbeulich at suse dot com
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
In i686 glibc build, we got
[hjl@gnu-tgl-3 tmp]$ cat foo.c
#include <stdint.h>
extern void _dl_sysinfo_int80 (void)
__attribute__ ((visibility ("hidden")));
asm (".text\n\t"
".type _dl_sysinfo_int80,@function\n\t"
"_dl_sysinfo_int80:\n\t"
"int $0x80;\n\t"
"ret");
uintptr_t
foo ()
{
return (uintptr_t) _dl_sysinfo_int80;
}
[hjl@gnu-tgl-3 tmp]$ gcc -c foo.c
/tmp/cc58rG07.s: Assembler messages:
/tmp/cc58rG07.s: Warning: local symbol `_dl_sysinfo_int80' has non-default
visibility
[hjl@gnu-tgl-3 tmp]$
This is done this way so that _dl_sysinfo_int80 can be accessed in foo as
a local/hidden symbol. This new warning is annoying since the source is
very unlikely to be changed because this warning.
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