libc {

  GLIBC_2.0 {

%ifdef EXPORT_UNWIND_FIND_FDE

    __deregister_frame_info; __register_frame_info;

%endif

  }

  GLIBC_2.1 {

    # functions used in other libraries

    _dl_mcount_wrapper; _dl_mcount_wrapper_check;

  }

  GLIBC_2.2.4 {

    dl_iterate_phdr;

  }

%ifdef EXPORT_UNWIND_FIND_FDE

  # Needed for SHLIB_COMPAT calls using this version.

  GLIBC_2.2.5 {

  }

  GCC_3.0 {

    __deregister_frame_info_bases; __register_frame_info_bases;

    __register_frame_info_table_bases; _Unwind_Find_FDE;

  }

%endif

  GLIBC_PRIVATE {

    # functions used in other libraries

    _dl_addr;

    _dl_open_hook; _dl_open_hook2;

    _dl_sym; _dl_vsym;

    __libc_dlclose; __libc_dlopen_mode; __libc_dlsym; __libc_dlvsym;

    # Internal error handling support.  Interposes the functions in ld.so.

    _dl_signal_exception; _dl_catch_exception;

    _dl_signal_error; _dl_catch_error;

  }

}

ld {

  GLIBC_2.0 {

    # Functions which are interposed from libc.so.

    calloc; free; malloc; realloc;

    _r_debug;

  }

  GLIBC_2.1 {

    # functions used in other libraries

    _dl_mcount;

    # historically used by Garbage Collectors

    __libc_stack_end;

  }

  GLIBC_2.3 {

    # runtime interface to TLS

    __tls_get_addr;

  }

  GLIBC_2.4 {

    # stack canary

    __stack_chk_guard;

  }

  GLIBC_PRIVATE {

    # Those are in the dynamic linker, but used by libc.so.

    __libc_enable_secure;

    _dl_allocate_tls; _dl_allocate_tls_init;

    _dl_argv; _dl_find_dso_for_object; _dl_get_tls_static_info;

    _dl_deallocate_tls; _dl_make_stack_executable;

    _dl_rtld_di_serinfo; _dl_starting_up;

    _rtld_global; _rtld_global_ro;

    # Only here for gdb while a better method is developed.

    _dl_debug_state;

    # Pointer protection.

    __pointer_chk_guard;

    # Internal error handling support.

    _dl_exception_create; _dl_exception_create_format; _dl_exception_free;

    # Internal error handling support.  Interposed by libc.so.

    _dl_signal_exception; _dl_catch_exception;

    _dl_signal_error; _dl_catch_error;

    # Set value of a tunable.

    __tunable_get_val;

  }

}