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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-08-01 18:01:22 +0000
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-08-23 11:30:56 -0300
commit08d57105bbcbb4f950cd7cdf881a50977e44b8c6 (patch)
tree52625b9d6b5f35f6df183dfe3a5b0760c96279f0 /sysdeps/unix/sysv/linux
parenta43565ac447b1608ae2626f5012673560bb623ab (diff)
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linux: Make profil_counter a compat_symbol (BZ#17726)
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.
Diffstat (limited to 'sysdeps/unix/sysv/linux')
-rw-r--r--sysdeps/unix/sysv/linux/arm/profil-counter.h5
-rw-r--r--sysdeps/unix/sysv/linux/sparc/profil-counter.h5
2 files changed, 8 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/profil-counter.h b/sysdeps/unix/sysv/linux/arm/profil-counter.h
index 040c7aa59a..df393332e2 100644
--- a/sysdeps/unix/sysv/linux/arm/profil-counter.h
+++ b/sysdeps/unix/sysv/linux/arm/profil-counter.h
@@ -30,5 +30,8 @@ __profil_counter (int signo, siginfo_t *_si, void *scp)
asm volatile ("");
}
#ifndef __profil_counter
-weak_alias (__profil_counter, profil_counter)
+# include <shlib-compat.h>
+# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_31)
+compat_symbol (libc, __profil_counter, profil_counter, GLIBC_2_0);
+# endif
#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/profil-counter.h b/sysdeps/unix/sysv/linux/sparc/profil-counter.h
index ad06a4fe06..01271103bb 100644
--- a/sysdeps/unix/sysv/linux/sparc/profil-counter.h
+++ b/sysdeps/unix/sysv/linux/sparc/profil-counter.h
@@ -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