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libxx: Add __cxa_guard_acquire, __cxa_guard_release and __cxa_guard_abort

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This commit is contained in:
Paul A. Patience 2015-10-06 12:44:05 -04:00
parent bb05de4b6e
commit d803b64f6b
2 changed files with 88 additions and 1 deletions
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2
libxx/Makefile
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@ -50,7 +50,7 @@ endif
ifneq ($(CONFIG_UCLIBCXX),y)
CXXSRCS += libxx_delete.cxx libxx_deletea.cxx libxx_new.cxx libxx_newa.cxx
CXXSRCS += libxx_stdthrow.cxx
CXXSRCS += libxx_stdthrow.cxx libxx_cxa_guard.cxx
else
ifneq ($(UCLIBCXX_EXCEPTION),y)
CXXSRCS += libxx_stdthrow.cxx

87
libxx/libxx_cxa_guard.cxx Normal file
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@ -0,0 +1,87 @@
//***************************************************************************
// libxx/libxx_cxa_guard.cxx
//
// Copyright (C) 2015 Omni Hoverboards Inc. All rights reserved.
// Author: Paul Alexander Patience <paul-a.patience@polymtl.ca>
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. 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.
// 3. Neither the name NuttX nor the names of its contributors may be
// used to endorse or promote products derived from this software
// without specific prior written permission.
//
// 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.
//
//***************************************************************************
//***************************************************************************
// Included Files
//***************************************************************************
#include <nuttx/compiler.h>
//***************************************************************************
// Pre-processor Definitions
//***************************************************************************
//***************************************************************************
// Private Types
//***************************************************************************
__extension__ typedef int __guard __attribute__((mode(__DI__)));
//***************************************************************************
// Private Data
//***************************************************************************
//***************************************************************************
// Public Functions
//***************************************************************************
extern "C"
{
//*************************************************************************
// Name: __cxa_guard_acquire
//*************************************************************************
int __cxa_guard_acquire(FAR __guard *g)
{
return !*g;
}
//*************************************************************************
// Name: __cxa_guard_release
//*************************************************************************
void __cxa_guard_release(FAR __guard *g)
{
*g = 1;
}
//*************************************************************************
// Name: __cxa_guard_abort
//*************************************************************************
void __cxa_guard_abort(FAR __guard *)
{
}
}