2009-06-21 03:17:08 +08:00
|
|
|
/****************************************************************************
|
2015-12-13 22:10:01 +08:00
|
|
|
* sched/module/mod_symtab.c
|
2009-06-21 03:17:08 +08:00
|
|
|
*
|
2015-12-13 22:10:01 +08:00
|
|
|
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
|
2012-09-14 02:32:24 +08:00
|
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
2009-06-21 03:17:08 +08:00
|
|
|
*
|
|
|
|
* 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 <assert.h>
|
|
|
|
|
2015-12-13 22:10:01 +08:00
|
|
|
#include <nuttx/symtab.h>
|
|
|
|
#include <nuttx/module.h>
|
2009-06-21 03:17:08 +08:00
|
|
|
|
2015-12-13 22:10:01 +08:00
|
|
|
#include "module.h"
|
2009-06-21 03:17:08 +08:00
|
|
|
|
|
|
|
/****************************************************************************
|
2015-12-13 22:10:01 +08:00
|
|
|
* Public Data
|
2009-06-21 03:17:08 +08:00
|
|
|
****************************************************************************/
|
|
|
|
|
2015-12-13 22:10:01 +08:00
|
|
|
FAR const struct symtab_s *g_mod_symtab;
|
|
|
|
FAR int g_mod_nsymbols;
|
2009-06-21 03:17:08 +08:00
|
|
|
|
|
|
|
/****************************************************************************
|
2015-12-13 22:10:01 +08:00
|
|
|
* Public Functions
|
2009-06-21 03:17:08 +08:00
|
|
|
****************************************************************************/
|
|
|
|
|
2015-10-03 07:43:18 +08:00
|
|
|
/****************************************************************************
|
2015-12-13 22:10:01 +08:00
|
|
|
* Name: mod_getsymtab
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* Get the current kernel symbol table selection as an atomic operation.
|
|
|
|
*
|
|
|
|
* Input Parameters:
|
|
|
|
* symtab - The location to store the symbol table.
|
|
|
|
* nsymbols - The location to store the number of symbols in the symbol table.
|
|
|
|
*
|
|
|
|
* Returned Value:
|
|
|
|
* None
|
|
|
|
*
|
2015-10-03 07:43:18 +08:00
|
|
|
****************************************************************************/
|
2009-06-21 03:17:08 +08:00
|
|
|
|
2015-12-13 22:10:01 +08:00
|
|
|
void mod_getsymtab(FAR const struct symtab_s **symtab, FAR int *nsymbols)
|
|
|
|
{
|
|
|
|
DEBUGASSERT(symtab != NULL && nsymbols != NULL);
|
|
|
|
|
|
|
|
/* Borrow the registry lock to assure atomic access */
|
|
|
|
|
|
|
|
mod_registry_lock();
|
|
|
|
*symtab = g_mod_symtab;
|
|
|
|
*nsymbols = g_mod_nsymbols;
|
|
|
|
mod_registry_lock();
|
|
|
|
}
|
|
|
|
|
2009-06-21 03:17:08 +08:00
|
|
|
/****************************************************************************
|
2015-12-13 22:10:01 +08:00
|
|
|
* Name: mod_setsymtab
|
2009-06-21 03:17:08 +08:00
|
|
|
*
|
|
|
|
* Description:
|
2015-12-13 22:10:01 +08:00
|
|
|
* Select a new kernel symbol table selection as an atomic operation.
|
|
|
|
*
|
|
|
|
* Input Parameters:
|
|
|
|
* symtab - The new symbol table.
|
|
|
|
* nsymbols - The number of symbols in the symbol table.
|
2009-06-21 03:17:08 +08:00
|
|
|
*
|
|
|
|
* Returned Value:
|
2015-12-13 22:10:01 +08:00
|
|
|
* None
|
2009-06-21 03:17:08 +08:00
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
|
2015-12-13 22:10:01 +08:00
|
|
|
void mod_setsymtab(FAR const struct symtab_s *symtab, int nsymbols)
|
2009-06-21 03:17:08 +08:00
|
|
|
{
|
2015-12-13 22:10:01 +08:00
|
|
|
/* Borrow the registry lock to assure atomic access */
|
2009-06-21 03:17:08 +08:00
|
|
|
|
2015-12-13 22:10:01 +08:00
|
|
|
mod_registry_lock();
|
|
|
|
g_mod_symtab = symtab;
|
|
|
|
g_mod_nsymbols = nsymbols;
|
|
|
|
mod_registry_lock();
|
|
|
|
}
|