diff options
Diffstat (limited to 'nuttx/binfmt/binfmt_execmodule.c')
| -rw-r--r-- | nuttx/binfmt/binfmt_execmodule.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/nuttx/binfmt/binfmt_execmodule.c b/nuttx/binfmt/binfmt_execmodule.c deleted file mode 100644 index 10068b482..000000000 --- a/nuttx/binfmt/binfmt_execmodule.c +++ /dev/null @@ -1,264 +0,0 @@ -/**************************************************************************** - * binfmt/binfmt_execmodule.c - * - * Copyright (C) 2009, 2013 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 <sys/types.h> -#include <stdint.h> -#include <stdlib.h> -#include <sched.h> -#include <debug.h> -#include <errno.h> - -#include <nuttx/arch.h> -#include <nuttx/kmalloc.h> -#include <nuttx/binfmt/binfmt.h> - -#include "os_internal.h" -#include "binfmt_internal.h" - -#ifndef CONFIG_BINFMT_DISABLE - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ -/* If C++ constructors are used, then CONFIG_SCHED_STARTHOOK must also be - * selected be the start hook is used to schedule execution of the - * constructors. - */ - -#if defined(CONFIG_BINFMT_CONSTRUCTORS) && !defined(CONFIG_SCHED_STARTHOOK) -# errror "CONFIG_SCHED_STARTHOOK must be defined to use constructors" -#endif - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: exec_ctors - * - * Description: - * Execute C++ static constructors. This function is registered as a - * start hook and runs on the thread of the newly created task before - * the new task's main function is called. - * - * Input Parameters: - * loadinfo - Load state information - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -#ifdef CONFIG_BINFMT_CONSTRUCTORS -static void exec_ctors(FAR void *arg) -{ - FAR const struct binary_s *binp = (FAR const struct binary_s *)arg; - binfmt_ctor_t *ctor = binp->ctors; - int i; - - /* Execute each constructor */ - - for (i = 0; i < binp->nctors; i++) - { - bvdbg("Calling ctor %d at %p\n", i, (FAR void *)ctor); - - (*ctor)(); - ctor++; - } -} -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: exec_module - * - * Description: - * Execute a module that has been loaded into memory by load_module(). - * - * 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_module(FAR const struct binary_s *binp) -{ - FAR _TCB *tcb; -#ifndef CONFIG_CUSTOM_STACK - FAR uint32_t *stack; -#endif - pid_t pid; - int err; - int ret; - - /* Sanity checking */ - -#ifdef CONFIG_DEBUG - if (!binp || !binp->entrypt || binp->stacksize <= 0) - { - err = EINVAL; - goto errout; - } -#endif - - bdbg("Executing %s\n", binp->filename); - - /* Allocate a TCB for the new task. */ - - tcb = (FAR _TCB*)kzalloc(sizeof(_TCB)); - if (!tcb) - { - err = ENOMEM; - goto errout; - } - - /* Allocate the stack for the new task */ - -#ifndef CONFIG_CUSTOM_STACK - stack = (FAR uint32_t*)kmalloc(binp->stacksize); - if (!tcb) - { - err = ENOMEM; - goto errout_with_tcb; - } - - /* Initialize the task */ - - ret = task_init(tcb, binp->filename, binp->priority, stack, - binp->stacksize, binp->entrypt, binp->argv); -#else - /* Initialize the task */ - - ret = task_init(tcb, binp->filename, binp->priority, stack, - binp->entrypt, binp->argv); -#endif - if (ret < 0) - { - err = errno; - bdbg("task_init() failed: %d\n", err); - goto errout_with_stack; - } - - /* Note that tcb->flags are not modified. 0=normal task */ - /* tcb->flags |= TCB_FLAG_TTYPE_TASK; */ - - /* Add the D-Space address as the PIC base address. By convention, this - * must be the first allocated address space. - */ - -#ifdef CONFIG_PIC - tcb->dspace = binp->alloc[0]; - - /* Re-initialize the task's initial state to account for the new PIC base */ - - up_initial_state(tcb); -#endif - - /* Assign the address environment to the task */ - -#ifdef CONFIG_ADDRENV - ret = up_addrenv_assign(binp->addrenv, tcb); - if (ret < 0) - { - err = -ret; - bdbg("up_addrenv_assign() failed: %d\n", ret); - goto errout_with_stack; - } -#endif - - /* Setup a start hook that will execute all of the C++ static constructors - * on the newly created thread. The struct binary_s must persist at least - * until the new task has been started. - */ - -#ifdef CONFIG_BINFMT_CONSTRUCTORS - task_starthook(tcb, exec_ctors, (FAR void *)binp); -#endif - - /* Get the assigned pid before we start the task */ - - pid = tcb->pid; - - /* Then activate the task at the provided priority */ - - ret = task_activate(tcb); - if (ret < 0) - { - err = errno; - bdbg("task_activate() failed: %d\n", err); - goto errout_with_stack; - } - - return (int)pid; - -errout_with_stack: -#ifndef CONFIG_CUSTOM_STACK - tcb->stack_alloc_ptr = NULL; - sched_releasetcb(tcb); - kfree(stack); -#else - sched_releasetcb(tcb); -#endif - goto errout; - -errout_with_tcb: - kfree(tcb); -errout: - errno = err; - bdbg("returning errno: %d\n", err); - return ERROR; -} - -#endif /* CONFIG_BINFMT_DISABLE */ - |