ld.so: Remove __libc_memalign

It is no longer needed since commit 6c444ad6e9
(elf: Do not use memalign for TCB/TLS blocks allocation [BZ #17730]).
Applications do not link against ld.so and will use the definition in
libc.so, so there is no ABI impact.

sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/localplt.data

@@ -5,10 +5,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc

sysdeps/unix/sysv/linux/powerpc/powerpc32/ld.abilist

@@ -1,5 +1,4 @@
 GLIBC_2.0 GLIBC_2.0 A
-GLIBC_2.0 __libc_memalign F
 GLIBC_2.0 _r_debug D 0x14
 GLIBC_2.0 calloc F
 GLIBC_2.0 free F

sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data

@@ -35,10 +35,8 @@ libc.so: realloc
 libm.so: copysignl ?
 libm.so: fabsl
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to allow
-# user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc

sysdeps/unix/sysv/linux/powerpc/powerpc64/ld-le.abilist

@@ -1,5 +1,4 @@
 GLIBC_2.17 GLIBC_2.17 A
-GLIBC_2.17 __libc_memalign F
 GLIBC_2.17 __libc_stack_end D 0x8
 GLIBC_2.17 __tls_get_addr F
 GLIBC_2.17 _dl_mcount F

sysdeps/unix/sysv/linux/powerpc/powerpc64/ld.abilist

@@ -3,7 +3,6 @@ GLIBC_2.22 __tls_get_addr_opt F
 GLIBC_2.23 GLIBC_2.23 A
 GLIBC_2.23 __parse_hwcap_and_convert_at_platform F
 GLIBC_2.3 GLIBC_2.3 A
-GLIBC_2.3 __libc_memalign F
 GLIBC_2.3 __libc_stack_end D 0x8
 GLIBC_2.3 __tls_get_addr F
 GLIBC_2.3 _dl_mcount F

sysdeps/unix/sysv/linux/powerpc/powerpc64/localplt.data

@@ -4,10 +4,8 @@ libc.so: malloc
 libc.so: memalign
 libc.so: realloc
 libm.so: matherr
-# The dynamic loader uses __libc_memalign internally to allocate aligned
-# TLS storage. The other malloc family of functions are expected to
-# allow user symbol interposition.
-ld.so: __libc_memalign
+# The main malloc is interposed into the dynamic linker, for
+# allocations after the initial link (when dlopen is used).
 ld.so: malloc
 ld.so: calloc
 ld.so: realloc