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Obsolete _dl_mcount_wrapper in glibc 2.40 [BZ #31765]

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There is no _dl_mcount_wrapper prototype in any installed header files.
Fix BZ #31765 by changing _dl_mcount_wrapper to a compat symbol and
obsolete it in glibc 2.40.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
This commit is contained in:
H.J. Lu 2024-05-20 19:37:20 -07:00
parent 1f09aae36a
commit d97842653f
1 changed files with 5 additions and 1 deletions
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6
elf/libc-dl-profstub.c
View file

@ -19,17 +19,21 @@
#include <dlfcn.h> #include <dlfcn.h>
#include <elf.h> #include <elf.h>
#include <ldsodefs.h> #include <ldsodefs.h>
#include <shlib-compat.h>
/* This is the map for the shared object we profile. It is defined here /* This is the map for the shared object we profile. It is defined here
only because we test for this value being NULL or not. */ only because we test for this value being NULL or not. */
#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_40)
attribute_compat_text_section
void void
_dl_mcount_wrapper (void *selfpc) _dl_mcount_wrapper (void *selfpc)
{ {
GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc); GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
} }
compat_symbol (libc, _dl_mcount_wrapper, _dl_mcount_wrapper, GLIBC_2_1);
#endif
void void
_dl_mcount_wrapper_check (void *selfpc) _dl_mcount_wrapper_check (void *selfpc)