-#define GNU_BUILTIN(a, b) create_builtin_function(bk_gnu_builtin_##a, "__builtin_" #a, b)
-
- GNU_BUILTIN(alloca, make_function_1_type(type_void_ptr, type_size_t));
- GNU_BUILTIN(huge_val, make_function_0_type(type_double));
- GNU_BUILTIN(huge_valf, make_function_0_type(type_float));
- GNU_BUILTIN(huge_vall, make_function_0_type(type_long_double));
- GNU_BUILTIN(inf, make_function_0_type(type_double));
- GNU_BUILTIN(inff, make_function_0_type(type_float));
- GNU_BUILTIN(infl, make_function_0_type(type_long_double));
- GNU_BUILTIN(nan, make_function_1_type(type_double, type_char_ptr));
- GNU_BUILTIN(nanf, make_function_1_type(type_float, type_char_ptr));
- GNU_BUILTIN(nanl, make_function_1_type(type_long_double, type_char_ptr));
- GNU_BUILTIN(va_end, make_function_1_type(type_void, type_valist));
- GNU_BUILTIN(expect, make_function_2_type(type_long, type_long, type_long));
- GNU_BUILTIN(return_address, make_function_1_type(type_void_ptr, type_unsigned_int));
- GNU_BUILTIN(frame_address, make_function_1_type(type_void_ptr, type_unsigned_int));
- GNU_BUILTIN(ffs, make_function_1_type(type_int, type_unsigned_int));
- GNU_BUILTIN(clz, make_function_1_type(type_int, type_unsigned_int));
- GNU_BUILTIN(ctz, make_function_1_type(type_int, type_unsigned_int));
- GNU_BUILTIN(popcount, make_function_1_type(type_int, type_unsigned_int));
- GNU_BUILTIN(parity, make_function_1_type(type_int, type_unsigned_int));
- GNU_BUILTIN(prefetch, make_function_1_type_variadic(type_float, type_void_ptr));
- GNU_BUILTIN(trap, make_function_type(type_void, 0, NULL, DM_NORETURN));
- GNU_BUILTIN(object_size, make_function_2_type(type_size_t, type_void_ptr, type_int));
- GNU_BUILTIN(abort, make_function_type(type_void, 0, NULL, DM_NORETURN));
- GNU_BUILTIN(abs, make_function_type(type_int, 1, (type_t *[]) { type_int }, DM_CONST));
- GNU_BUILTIN(labs, make_function_type(type_long, 1, (type_t *[]) { type_long }, DM_CONST));
- GNU_BUILTIN(llabs, make_function_type(type_long_long, 1, (type_t *[]) { type_long_long }, DM_CONST));
- GNU_BUILTIN(memcpy, make_function_type(type_void_ptr, 3, (type_t *[]) { type_void_ptr_restrict, type_const_void_ptr_restrict, type_size_t }, DM_NONE));
- GNU_BUILTIN(__memcpy_chk, make_function_type(type_void_ptr, 4, (type_t *[]) { type_void_ptr_restrict, type_const_void_ptr_restrict, type_size_t, type_size_t}, DM_NONE));
- GNU_BUILTIN(memcmp, make_function_type(type_int, 3, (type_t *[]) { type_const_void_ptr, type_const_void_ptr, type_size_t }, DM_PURE));
- GNU_BUILTIN(memset, make_function_type(type_void_ptr, 3, (type_t *[]) { type_void_ptr, type_int, type_size_t }, DM_NONE));
- GNU_BUILTIN(__memset_chk, make_function_type(type_void_ptr, 4, (type_t *[]) { type_void_ptr, type_int, type_size_t, type_size_t }, DM_NONE));
- GNU_BUILTIN(memmove, make_function_type(type_void_ptr, 3, (type_t *[]) { type_void_ptr_restrict, type_const_void_ptr_restrict, type_size_t }, DM_NONE));
- GNU_BUILTIN(__memmove_chk, make_function_type(type_void_ptr, 4, (type_t *[]) { type_void_ptr_restrict, type_const_void_ptr_restrict, type_size_t, type_size_t }, DM_NONE));
- GNU_BUILTIN(strcat, make_function_type(type_char_ptr, 2, (type_t *[]) { type_char_ptr_restrict, type_const_char_ptr_restrict }, DM_NONE));
- GNU_BUILTIN(__strcat_chk, make_function_type(type_char_ptr, 3, (type_t *[]) { type_char_ptr_restrict, type_const_char_ptr_restrict, type_size_t }, DM_NONE));
- GNU_BUILTIN(strncat, make_function_type(type_char_ptr, 3, (type_t *[]) { type_char_ptr_restrict, type_const_char_ptr_restrict, type_size_t }, DM_NONE));
- GNU_BUILTIN(__strncat_chk, make_function_type(type_char_ptr, 4, (type_t *[]) { type_char_ptr_restrict, type_const_char_ptr_restrict, type_size_t, type_size_t }, DM_NONE));
- GNU_BUILTIN(strlen, make_function_type(type_size_t, 1, (type_t *[]) { type_const_char_ptr }, DM_PURE));
- GNU_BUILTIN(strcmp, make_function_type(type_int, 2, (type_t *[]) { type_const_char_ptr, type_const_char_ptr }, DM_PURE));
- GNU_BUILTIN(strcpy, make_function_type(type_char_ptr, 2, (type_t *[]) { type_char_ptr_restrict, type_const_char_ptr_restrict }, DM_NONE));
- GNU_BUILTIN(__strcpy_chk, make_function_type(type_char_ptr, 3, (type_t *[]) { type_char_ptr_restrict, type_const_char_ptr_restrict }, DM_NONE));
- GNU_BUILTIN(strncpy, make_function_type(type_char_ptr, 3, (type_t *[]) { type_char_ptr_restrict, type_char_ptr_restrict, type_size_t }, DM_NONE));
- GNU_BUILTIN(__strncpy_chk, make_function_type(type_char_ptr, 4, (type_t *[]) { type_char_ptr_restrict, type_char_ptr_restrict, type_size_t, type_size_t }, DM_NONE));
- GNU_BUILTIN(exit, make_function_type(type_void, 1, (type_t *[]) { type_int }, DM_NORETURN));
- GNU_BUILTIN(malloc, make_function_type(type_void_ptr, 1, (type_t *[]) { type_size_t }, DM_MALLOC));