diff options
Diffstat (limited to 'nuttx/binfmt/nxflat.c')
-rw-r--r-- | nuttx/binfmt/nxflat.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/nuttx/binfmt/nxflat.c b/nuttx/binfmt/nxflat.c deleted file mode 100644 index db29941ca..000000000 --- a/nuttx/binfmt/nxflat.c +++ /dev/null @@ -1,280 +0,0 @@ -/**************************************************************************** - * binfmt/nxflat.c - * - * Copyright (C) 2009 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 <string.h> -#include <nxflat.h> -#include <debug.h> -#include <errno.h> - -#include <arpa/inet.h> -#include <nuttx/binfmt/binfmt.h> -#include <nuttx/binfmt/nxflat.h> - -#ifdef CONFIG_NXFLAT - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/* CONFIG_DEBUG, CONFIG_DEBUG_VERBOSE, and CONFIG_DEBUG_BINFMT have to be - * defined or CONFIG_NXFLAT_DUMPBUFFER does nothing. - */ - -#if !defined(CONFIG_DEBUG_VERBOSE) || !defined (CONFIG_DEBUG_BINFMT) -# undef CONFIG_NXFLAT_DUMPBUFFER -#endif - -#ifdef CONFIG_NXFLAT_DUMPBUFFER -# define nxflat_dumpbuffer(m,b,n) bvdbgdumpbuffer(m,b,n) -#else -# define nxflat_dumpbuffer(m,b,n) -#endif - -#ifndef MIN -# define MIN(a,b) (a < b ? a : b) -#endif - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -static int nxflat_loadbinary(struct binary_s *binp); -#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_BINFMT) -static void nxflat_dumploadinfo(struct nxflat_loadinfo_s *loadinfo); -#endif - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -static struct binfmt_s g_nxflatbinfmt = -{ - NULL, /* next */ - nxflat_loadbinary, /* load */ -}; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nxflat_dumploadinfo - ****************************************************************************/ - -#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_BINFMT) -static void nxflat_dumploadinfo(struct nxflat_loadinfo_s *loadinfo) -{ - unsigned long dsize = loadinfo->datasize + loadinfo->bsssize; - - bdbg("LOAD_INFO:\n"); - bdbg(" ISPACE:\n"); - bdbg(" ispace: %08lx\n", loadinfo->ispace); - bdbg(" entryoffs: %08lx\n", loadinfo->entryoffs); - bdbg(" isize: %08lx\n", loadinfo->isize); - - bdbg(" DSPACE:\n"); - bdbg(" dspace: %08lx\n", loadinfo->dspace); - if (loadinfo->dspace != NULL) - { - bdbg(" crefs: %d\n", loadinfo->dspace->crefs); - bdbg(" region: %08lx\n", loadinfo->dspace->region); - } - bdbg(" datasize: %08lx\n", loadinfo->datasize); - bdbg(" bsssize: %08lx\n", loadinfo->bsssize); - bdbg(" (pad): %08lx\n", loadinfo->dsize - dsize); - bdbg(" stacksize: %08lx\n", loadinfo->stacksize); - bdbg(" dsize: %08lx\n", loadinfo->dsize); - - bdbg(" RELOCS:\n"); - bdbg(" relocstart: %08lx\n", loadinfo->relocstart); - bdbg(" reloccount: %d\n", loadinfo->reloccount); - - bdbg(" HANDLES:\n"); - bdbg(" filfd: %d\n", loadinfo->filfd); -} -#else -# define nxflat_dumploadinfo(i) -#endif - -/**************************************************************************** - * Name: nxflat_loadbinary - * - * Description: - * Verify that the file is an NXFLAT binary and, if so, load the NXFLAT - * binary into memory - * - ****************************************************************************/ - -static int nxflat_loadbinary(struct binary_s *binp) -{ - struct nxflat_loadinfo_s loadinfo; /* Contains globals for libnxflat */ - int ret; - - bvdbg("Loading file: %s\n", binp->filename); - - /* Initialize the xflat library to load the program binary. */ - - ret = nxflat_init(binp->filename, &loadinfo); - nxflat_dumploadinfo(&loadinfo); - if (ret != 0) - { - bdbg("Failed to initialize for load of NXFLAT program: %d\n", ret); - goto errout; - } - - /* Load the program binary */ - - ret = nxflat_load(&loadinfo); - nxflat_dumploadinfo(&loadinfo); - if (ret != 0) - { - bdbg("Failed to load NXFLAT program binary: %d\n", ret); - goto errout_with_init; - } - - /* Bind the program to the exported symbol table */ - - ret = nxflat_bind(&loadinfo, binp->exports, binp->nexports); - if (ret != 0) - { - bdbg("Failed to bind symbols program binary: %d\n", ret); - goto errout_with_load; - } - - /* Return the load information. By convention, D-space address - * space is stored as the first allocated memory. - */ - - binp->entrypt = (main_t)(loadinfo.ispace + loadinfo.entryoffs); - binp->mapped = (void*)loadinfo.ispace; - binp->mapsize = loadinfo.isize; - binp->stacksize = loadinfo.stacksize; - - /* Add the ELF allocation to the alloc[] only if there is no address - * enironment. If there is an address environment, it will automatically - * be freed when the function exits - * - * REVISIT: If the module is loaded then unloaded, wouldn't this cause - * a memory leak? - */ - -#ifdef CONFIG_ADDRENV -# warning "REVISIT" -#else - binp->alloc[0] = (void*)loadinfo.dspace; -#endif - -#ifdef CONFIG_ADDRENV - /* Save the address environment. This will be needed when the module is - * executed for the up_addrenv_assign() call. - */ - - binp->addrenv = loadinfo.addrenv; -#endif - - nxflat_dumpbuffer("Entry code", (FAR const uint8_t*)binp->entrypt, - MIN(loadinfo.isize - loadinfo.entryoffs, 512)); - - nxflat_uninit(&loadinfo); - return OK; - -errout_with_load: - nxflat_unload(&loadinfo); -errout_with_init: - nxflat_uninit(&loadinfo); -errout: - return ret; -} - -/*********************************************************************** - * Public Functions - ***********************************************************************/ - -/*********************************************************************** - * Name: nxflat_initialize - * - * Description: - * NXFLAT support is built unconditionally. However, it order to - * use this binary format, this function must be called during system - * format in order to register the NXFLAT binary format. - * - * Returned Value: - * This is a NuttX internal function so it follows the convention that - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ***********************************************************************/ - -int nxflat_initialize(void) -{ - int ret; - - /* Register ourselves as a binfmt loader */ - - bvdbg("Registering NXFLAT\n"); - ret = register_binfmt(&g_nxflatbinfmt); - if (ret != 0) - { - bdbg("Failed to register binfmt: %d\n", ret); - } - return ret; -} - -/**************************************************************************** - * Name: nxflat_uninitialize - * - * Description: - * Unregister the NXFLAT binary loader - * - * Returned Value: - * None - * - ****************************************************************************/ - -void nxflat_uninitialize(void) -{ - unregister_binfmt(&g_nxflatbinfmt); -} - -#endif /* CONFIG_NXFLAT */ - |