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 36 int digittoint(char ch); 37 38 // Similarly rename _scan_nan. 39 #define _scan_nan __libm_scan_nan 40
