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Diffstat (limited to 'nuttx/binfmt/libelf/libelf.h')
-rw-r--r-- | nuttx/binfmt/libelf/libelf.h | 341 |
1 files changed, 0 insertions, 341 deletions
diff --git a/nuttx/binfmt/libelf/libelf.h b/nuttx/binfmt/libelf/libelf.h deleted file mode 100644 index 04c9144f6..000000000 --- a/nuttx/binfmt/libelf/libelf.h +++ /dev/null @@ -1,341 +0,0 @@ -/**************************************************************************** - * binfmt/libelf/libelf.h - * - * 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. - * - ****************************************************************************/ - -#ifndef __BINFMT_LIBELF_LIBELF_H -#define __BINFMT_LIBELF_LIBELF_H - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <sys/types.h> -#include <elf32.h> - -#include <nuttx/arch.h> -#include <nuttx/binfmt/elf.h> - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Public Types - ****************************************************************************/ - -/**************************************************************************** - * Name: elf_verifyheader - * - * Description: - * Given the header from a possible ELF executable, verify that it is - * an ELF executable. - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_verifyheader(FAR const Elf32_Ehdr *header); - -/**************************************************************************** - * Name: elf_read - * - * Description: - * Read 'readsize' bytes from the object file at 'offset'. The data is - * read into 'buffer.' If 'buffer' is part of the ELF address environment, - * then the caller is responsibile for assuring that that address - * environment is in place before calling this function (i.e., that - * elf_addrenv_select() has been called if CONFIG_ADDRENV=y). - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_read(FAR struct elf_loadinfo_s *loadinfo, FAR uint8_t *buffer, - size_t readsize, off_t offset); - -/**************************************************************************** - * Name: elf_loadshdrs - * - * Description: - * Loads section headers into memory. - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_loadshdrs(FAR struct elf_loadinfo_s *loadinfo); - -/**************************************************************************** - * Name: elf_findsection - * - * Description: - * A section by its name. - * - * Input Parameters: - * loadinfo - Load state information - * sectname - Name of the section to find - * - * Returned Value: - * On success, the index to the section is returned; A negated errno value - * is returned on failure. - * - ****************************************************************************/ - -int elf_findsection(FAR struct elf_loadinfo_s *loadinfo, - FAR const char *sectname); - -/**************************************************************************** - * Name: elf_findsymtab - * - * Description: - * Find the symbol table section. - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_findsymtab(FAR struct elf_loadinfo_s *loadinfo); - -/**************************************************************************** - * Name: elf_readsym - * - * Description: - * Read the ELFT symbol structure at the specfied index into memory. - * - * Input Parameters: - * loadinfo - Load state information - * index - Symbol table index - * sym - Location to return the table entry - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_readsym(FAR struct elf_loadinfo_s *loadinfo, int index, - FAR Elf32_Sym *sym); - -/**************************************************************************** - * Name: elf_symvalue - * - * Description: - * Get the value of a symbol. The updated value of the symbol is returned - * in the st_value field of the symbol table entry. - * - * Input Parameters: - * loadinfo - Load state information - * sym - Symbol table entry (value might be undefined) - * exports - The symbol table to use for resolving undefined symbols. - * nexports - Number of symbols in the symbol table. - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_symvalue(FAR struct elf_loadinfo_s *loadinfo, FAR Elf32_Sym *sym, - FAR const struct symtab_s *exports, int nexports); - -/**************************************************************************** - * Name: elf_freebuffers - * - * Description: - * Release all working buffers. - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_freebuffers(FAR struct elf_loadinfo_s *loadinfo); - -/**************************************************************************** - * Name: elf_allocbuffer - * - * Description: - * Perform the initial allocation of the I/O buffer, if it has not already - * been allocated. - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_allocbuffer(FAR struct elf_loadinfo_s *loadinfo); - -/**************************************************************************** - * Name: elf_reallocbuffer - * - * Description: - * Increase the size of I/O buffer by the specified buffer increment. - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - ****************************************************************************/ - -int elf_reallocbuffer(FAR struct elf_loadinfo_s *loadinfo, size_t increment); - -/**************************************************************************** - * 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. - * - ****************************************************************************/ - -#ifdef CONFIG_BINFMT_CONSTRUCTORS -int elf_loadctors(FAR struct elf_loadinfo_s *loadinfo); -#endif - -/**************************************************************************** - * Name: elf_loaddtors - * - * Description: - * Load pointers to static destructors into an in-memory array. - * - * 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 -int elf_loaddtors(FAR struct elf_loadinfo_s *loadinfo); -#endif - -/**************************************************************************** - * Name: elf_addrenv_alloc - * - * Description: - * Allocate memory for the ELF image (elfalloc). If CONFIG_ADDRENV=n, - * elfalloc will be allocated using kzalloc(). If CONFIG_ADDRENV-y, then - * elfalloc will be allocated using up_addrenv_create(). In either case, - * there will be a unique instance of elfalloc (and stack) for each - * instance of a process. - * - * Input Parameters: - * loadinfo - Load state information - * envsize - The size (in bytes) of the address environment needed for the - * ELF image. - * - * Returned Value: - * Zero (OK) on success; a negated errno value on failure. - * - ****************************************************************************/ - -int elf_addrenv_alloc(FAR struct elf_loadinfo_s *loadinfo, size_t envsize); - -/**************************************************************************** - * Name: elf_addrenv_select - * - * Description: - * Temporarity select the task's address environemnt. - * - * Input Parameters: - * loadinfo - Load state information - * - * Returned Value: - * Zero (OK) on success; a negated errno value on failure. - * - ****************************************************************************/ - -#ifdef CONFIG_ADDRENV -# define elf_addrenv_select(l) up_addrenv_select((l)->addrenv, &(l)->oldenv) -#endif - -/**************************************************************************** - * Name: elf_addrenv_restore - * - * Description: - * Restore the address environment before elf_addrenv_select() was called.. - * - * Input Parameters: - * loadinfo - Load state information - * - * Returned Value: - * Zero (OK) on success; a negated errno value on failure. - * - ****************************************************************************/ - -#ifdef CONFIG_ADDRENV -# define elf_addrenv_restore(l) up_addrenv_restore((l)->oldenv) -#endif - -/**************************************************************************** - * Name: elf_addrenv_free - * - * Description: - * Release the address environment previously created by - * elf_addrenv_alloc(). This function is called only under certain error - * conditions after the the module has been loaded but not yet started. - * After the module has been started, the address environment will - * automatically be freed when the module exits. - * - * Input Parameters: - * loadinfo - Load state information - * - * Returned Value: - * None. - * - ****************************************************************************/ - -void elf_addrenv_free(FAR struct elf_loadinfo_s *loadinfo); - -#endif /* __BINFMT_LIBELF_LIBELF_H */ |