glibc/sysdeps/unix/sysv/linux/s390/localplt.data

libc.so: _Unwind_Find_FDE
libc.so: calloc
libc.so: free
libc.so: malloc
libc.so: memalign
libc.so: realloc
libm.so: matherr
# 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
ld.so: free
# The TLS-enabled version of these functions is interposed from libc.so.
ld.so: _dl_signal_error
ld.so: _dl_catch_error
ld.so: _dl_signal_exception
ld.so: _dl_catch_exception