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[libcxx] Port to NuttX (https://nuttx.apache.org) RTOS

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Since NuttX conform to POSIX standard, the code need to add is very simple.

Differential Revision: https://reviews.llvm.org/D88718
This commit is contained in:
Xiang Xiao 2020-11-18 16:16:18 -05:00 committed by Louis Dionne
parent cff479b145
commit f0785c1f7a
6 changed files with 28 additions and 2 deletions
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1
libcxx/include/CMakeLists.txt
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@ -154,6 +154,7 @@ set(files
support/ibm/xlocale.h
support/musl/xlocale.h
support/newlib/xlocale.h
support/nuttx/xlocale.h
support/solaris/floatingpoint.h
support/solaris/wchar.h
support/solaris/xlocale.h

3
libcxx/include/__config
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@ -1121,6 +1121,7 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
# if defined(__FreeBSD__) || \
defined(__wasi__) || \
defined(__NetBSD__) || \
defined(__NuttX__) || \
defined(__linux__) || \
defined(__GNU__) || \
defined(__APPLE__) || \
@ -1223,7 +1224,7 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container(
# endif
#endif
#if defined(__BIONIC__) || defined(__CloudABI__) || \
#if defined(__BIONIC__) || defined(__CloudABI__) || defined(__NuttX__) || \
defined(__Fuchsia__) || defined(__wasi__) || defined(_LIBCPP_HAS_MUSL_LIBC) || \
defined(__MVS__)
#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE

2
libcxx/include/__locale
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@ -22,6 +22,8 @@
#if defined(_LIBCPP_MSVCRT_LIKE)
# include <cstring>
# include <support/win32/locale_win32.h>
#elif defined(__NuttX__)
# include <support/nuttx/xlocale.h>
#elif defined(_AIX) || defined(__MVS__)
# include <support/ibm/xlocale.h>
#elif defined(__ANDROID__)

18
libcxx/include/support/nuttx/xlocale.h Normal file
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@ -0,0 +1,18 @@
// -*- C++ -*-
//===-------------------- support/nuttx/xlocale.h -------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_SUPPORT_NUTTX_XLOCALE_H
#define _LIBCPP_SUPPORT_NUTTX_XLOCALE_H
#if defined(__NuttX__)
#include <support/xlocale/__posix_l_fallback.h>
#include <support/xlocale/__strtonum_fallback.h>
#endif // __NuttX__
#endif

4
libcxx/src/include/config_elast.h
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@ -17,10 +17,14 @@
#include <errno.h>
#endif
// Note: _LIBCPP_ELAST needs to be defined only on platforms
// where strerror/strerror_r can't handle out-of-range errno values.
#if defined(ELAST)
#define _LIBCPP_ELAST ELAST
#elif defined(_NEWLIB_VERSION)
#define _LIBCPP_ELAST __ELASTERROR
#elif defined(__NuttX__)
// No _LIBCPP_ELAST needed on NuttX
#elif defined(__Fuchsia__)
// No _LIBCPP_ELAST needed on Fuchsia
#elif defined(__wasi__)

2
libcxx/src/locale.cpp
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@ -30,7 +30,7 @@
#include "__sso_allocator"
#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__)
#include "support/win32/locale_win32.h"
#elif !defined(__BIONIC__)
#elif !defined(__BIONIC__) && !defined(__NuttX__)
#include <langinfo.h>
#endif
#include <stdlib.h>