__libc_ia64_register_backing_store_base 898 gc/os_dep.c extern ptr_t __libc_ia64_register_backing_store_base; __libc_ia64_register_backing_store_base 904 gc/os_dep.c if (0 != &__libc_ia64_register_backing_store_base __libc_ia64_register_backing_store_base 905 gc/os_dep.c && 0 != __libc_ia64_register_backing_store_base) { __libc_ia64_register_backing_store_base 910 gc/os_dep.c return __libc_ia64_register_backing_store_base;