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linux: Make profil_counter a compat_symbol (BZ#17726)

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As indicated by Joseph's comment on BZ#17726, this symbol is most
likely a historical ABI accident.  This patch make it on both arm
and sparc ABIs a compat_symbol.

Checked against a build arm-linux-gnueabihf, sparcv9-linux-gnu, adn
sparc64-linux-gnu to see if the symbol is still present.

	* gmon/Versions (libc) [GLIBC_2.31]: New entry.
	* sysdeps/unix/sysv/linux/arm/profil-counter.h (profil_counter):
	Make a compat_symbol.
	* sysdeps/unix/sysv/linux/sparc/profil-counter.h
	(__profil_counter_global): Likewise.
This commit is contained in:
Adhemerval Zanella
2019-08-01 18:01:22 +00:00
parent a43565ac44
commit 08d57105bb
4 changed files with 16 additions and 2 deletions
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5
sysdeps/unix/sysv/linux/sparc/profil-counter.h
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@ -21,6 +21,8 @@
#include <sysdeps/unix/sysv/linux/profil-counter.h>
#ifndef __profil_counter
# include <shlib-compat.h>
# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_31)
void
__profil_counter_global (int signo, struct sigcontext *si)
{
@ -30,5 +32,6 @@ __profil_counter_global (int signo, struct sigcontext *si)
profil_count (si->si_regs.pc);
#endif
}
weak_alias (__profil_counter_global, profil_counter)
compat_symbol (libc, __profil_counter_global, profil_counter, GLIBC_2_0);
# endif
#endif