1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#pragma once
18
19#include <float.h>
20
21#define __weak_reference(sym,alias)     \
22    __asm__(".weak " #alias);           \
23    __asm__(".equ "  #alias ", " #sym)
24
25#define __strong_reference(sym,aliassym) \
26    extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)))
27
28#define __warn_references(sym,msg) /* ignored */
29
30// digittoint is in BSD's <ctype.h>, but not ours, so we have a secret
31// implementation in libm. We reuse parts of libm in the NDK's
32// libandroid_support, where it's a static library, so we want all our
33// "hidden" functions start with a double underscore --- being HIDDEN
34// in the ELF sense is not sufficient.
35#define digittoint __libm_digittoint
36int digittoint(char ch);
37
38// Similarly rename _scan_nan.
39#define _scan_nan __libm_scan_nan
40