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/****************************************************************************
* binfmt/libelf/libelf_ctors.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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/config.h>
#include <debug.h>
#include <nuttx/binfmt/elf.h>
#include "libelf"
#ifdef CONFIG_ELF_CONSTRUCTORS
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
typedef FAR void (*ctor_t)(void);
/****************************************************************************
* Private Constant Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: elf_findctors
*
* Description:
* Find C++ static constructors.
*
* Input Parameters:
* loadinfo - Load state information
*
* Returned Value:
* 0 (OK) is returned on success and a negated errno is returned on
* failure.
*
****************************************************************************/
int elf_findctors(FAR struct elf_loadinfo_s *loadinfo)
{
/* Search through the shdr[] array in loadinfo for a section named .ctors */
#warning "Missing logic"
/* Get the address of the beginning of the constructros from the sh_addr
* field of the section. Save that in the ctors field of the loadinfo
* structure.
*/
#warning "Missing logic"
/* Get the number of constructors from the sh_size field of the section.
* Save that number in the nctors field of the loadinfo structure.
*/
#warning "Missing logic"
return -ENOSYS;
}
/****************************************************************************
* Name: elf_doctors
*
* Description:
* Execute C++ static constructors.
*
* Input Parameters:
* loadinfo - Load state information
*
* Returned Value:
* 0 (OK) is returned on success and a negated errno is returned on
* failure.
*
****************************************************************************/
int elf_doctors(FAR struct elf_loadinfo_s *loadinfo)
{
ctor_t ctor = (ctor_t)loadinfo->ctors;
int i;
/* Execute each constructor */
for (i = 0; i < loadinfo->nctors; i++)
{
ctor();
ctor++;
}
}
#endif /* CONFIG_ELF_CONSTRUCTORS
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