Symbol.map

/*
 * This only needs to contain symbols that are not listed in
 * symbol maps from other parts of libc (i.e., not found in
 * stdlib/Symbol.map, string/Symbol.map, sys/Symbol.map, ...).
 */
FBSD_1.0 {
	__mcount;
	alloca;
	brk;
	sbrk;
};

FBSD_1.3 {
	__flt_rounds;
};

FBSD_1.4 {
	__gnu_Unwind_Find_exidx;
	dl_unwind_find_exidx;
};

FBSD_1.6 {
	arm_drain_writebuf;
	arm_sync_icache;
};

FBSDprivate_1.0 {
	_brk;
	__aeabi_read_tp;
	___longjmp;
	__longjmp;
	signalcontext;
	__signalcontext;
	__siglongjmp;

	_libc_arm_fpu_present;
};