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Diffstat (limited to 'nuttx/binfmt/binfmt_exec.c')
-rw-r--r-- | nuttx/binfmt/binfmt_exec.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/nuttx/binfmt/binfmt_exec.c b/nuttx/binfmt/binfmt_exec.c new file mode 100644 index 000000000..cefd3aa5c --- /dev/null +++ b/nuttx/binfmt/binfmt_exec.c @@ -0,0 +1,123 @@ +/**************************************************************************** + * binfmt/binfmt_exec.c + * + * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 <string.h> +#include <sched.h> +#include <debug.h> +#include <errno.h> + +#include <nuttx/binfmt.h> + +#include "binfmt_internal.h" + +#ifndef CONFIG_BINFMT_DISABLE + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: exec + * + * Description: + * This is a convenience function that wraps load_ and exec_module into + * one call. + * + * Input Parameter: + * filename - Fulll path to the binary to be loaded + * argv - Argument list + * exports - Table of exported symbols + * nexports - The number of symbols in exports + * + * Returned Value: + * This is an end-user function, so it follows the normal convention: + * Returns the PID of the exec'ed module. On failure, it.returns + * -1 (ERROR) and sets errno appropriately. + * + ****************************************************************************/ + +int exec(FAR const char *filename, FAR const char **argv, + FAR const struct symtab_s *exports, int nexports) +{ + struct binary_s bin; + int ret; + + memset(&bin, 0, sizeof(struct binary_s)); + bin.filename = filename; + bin.exports = exports; + bin.nexports = nexports; + + ret = load_module(&bin); + if (ret < 0) + { + bdbg("ERROR: Failed to load program '%s'\n", filename); + return ERROR; + } + + ret = exec_module(&bin, 50); + if (ret < 0) + { + bdbg("ERROR: Failed to execute program '%s'\n", filename); + unload_module(&bin); + return ERROR; + } + + return ret; +} + +#endif /* CONFIG_BINFMT_DISABLE */ + |