1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #ifndef _PRIVATE_BIONIC_VDSO_H 29 #define _PRIVATE_BIONIC_VDSO_H 30 31 #include <time.h> 32 33 #if defined(__aarch64__) 34 #define VDSO_CLOCK_GETTIME_SYMBOL "__kernel_clock_gettime" 35 #define VDSO_GETTIMEOFDAY_SYMBOL "__kernel_gettimeofday" 36 #elif defined(__x86_64__) || defined(__i386__) 37 #define VDSO_CLOCK_GETTIME_SYMBOL "__vdso_clock_gettime" 38 #define VDSO_GETTIMEOFDAY_SYMBOL "__vdso_gettimeofday" 39 #endif 40 41 extern "C" int __clock_gettime(int, timespec*); 42 extern "C" int __gettimeofday(timeval*, struct timezone*); 43 44 struct vdso_entry { 45 const char* name; 46 void* fn; 47 }; 48 49 enum { 50 VDSO_CLOCK_GETTIME = 0, 51 VDSO_GETTIMEOFDAY, 52 VDSO_END 53 }; 54 55 #endif // _PRIVATE_BIONIC_VDSO_H 56
