33b51e87e1
Summary: Some old linux versions do not have process_vm_readv function defined. Even older versions do not have even the __NR_process_vm_readv syscall number. We use cmake to detect these situations and fallback appropriately: in the first case, we can issue the syscall manually, while it the latter case, we need to drop fast memory read support completely. Test Plan: linux test suite passes Reviewers: ovyalov, Eugene.Zelenko Subscribers: tberghammer, lldb-commits Differential Revision: http://reviews.llvm.org/D10727 llvm-svn: 240927
41 lines
886 B
C++
41 lines
886 B
C++
//===-- LibcGlue.cpp --------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// This files adds functions missing from libc on earlier versions of Android
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#include <android/api-level.h>
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#include <sys/syscall.h>
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#if __ANDROID_API__ < 21
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <signal.h>
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#include "lldb/Host/Time.h"
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time_t timegm(struct tm* t)
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{
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return (time_t) timegm64(t);
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}
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int signalfd (int fd, const sigset_t *mask, int flags)
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{
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return syscall(__NR_signalfd4, fd, mask, _NSIG / 8, flags);
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}
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int posix_openpt(int flags)
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{
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return open("/dev/ptmx", flags);
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}
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#endif
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