GLIBC_2.2
 GLIBC_2.2 A
 __libc_memalign F
 __libc_stack_end D 0x4
 _dl_mcount F
 _r_debug D 0x14
 calloc F
 free F
 malloc F
 realloc F
GLIBC_2.3
 GLIBC_2.3 A
 __tls_get_addr F
GLIBC_2.4
 GLIBC_2.4 A
 __stack_chk_guard D 0x4