| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| // This file perpetuates the mistakes of the past, but only for 32-bit targets. |
| #if !defined(__LP64__) |
| |
| #include <pthread.h> |
| #include <stdlib.h> |
| #include <sys/resource.h> |
| #include <sys/time.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <unistd.h> |
| |
| // These were accidentally declared in <unistd.h> because we stupidly used to inline |
| // getpagesize() and __getpageshift(). Needed for backwards compatibility with old NDK apps. |
| extern "C" { |
| unsigned int __page_size = PAGE_SIZE; |
| unsigned int __page_shift = 12; |
| } |
| |
| // TODO: remove this backward compatibility hack (for jb-mr1 strace binaries). |
| extern "C" pid_t __wait4(pid_t pid, int* status, int options, struct rusage* rusage) { |
| return wait4(pid, status, options, rusage); |
| } |
| |
| // TODO: does anything still need this? |
| extern "C" int __open() { |
| abort(); |
| } |
| |
| // TODO: does anything still need this? |
| extern "C" void** __get_tls() { |
| #include "private/__get_tls.h" |
| return __get_tls(); |
| } |
| |
| // This non-standard function was in our <string.h> for some reason. |
| extern "C" void memswap(void* m1, void* m2, size_t n) { |
| char* p = reinterpret_cast<char*>(m1); |
| char* p_end = p + n; |
| char* q = reinterpret_cast<char*>(m2); |
| while (p < p_end) { |
| char tmp = *p; |
| *p = *q; |
| *q = tmp; |
| p++; |
| q++; |
| } |
| } |
| |
| extern "C" int pthread_attr_setstackaddr(pthread_attr_t*, void*) { |
| // This was removed from POSIX.1-2008, and is not implemented on bionic. |
| // Needed for ABI compatibility with the NDK. |
| return ENOSYS; |
| } |
| |
| extern "C" int pthread_attr_getstackaddr(const pthread_attr_t* attr, void** stack_addr) { |
| // This was removed from POSIX.1-2008. |
| // Needed for ABI compatibility with the NDK. |
| *stack_addr = (char*)attr->stack_base + attr->stack_size; |
| return 0; |
| } |
| |
| #endif |