mirror of
https://github.com/openharmony/third_party_elfutils.git
synced 2026-07-19 19:43:34 -04:00
Mark Wielaard
de2ed97f33
* Change name from "Red Hat elfutils" to "elfutils". * Update license of standalone tools and test from GPLv2 to GPLv3+. * Change license of libraries from GPLv2+exception to GPLv2/LGPLv3+. * Add Developer Certificate of Origin based contributor policy. top-level: - COPYING: Upgraded from GPLv2 to GPLv3. - CONTRIBUTING, COPYING-GPLv2, COPYING-LGPLv3: New files. - NEWS: Added note about new contribution and license policy. - Makefile.am: Updated to GPLv3, added new files to EXTRA_DIST. - configure.ac: Update to GPLv3, changed AC_INIT name to 'elfutils'. backends, lib, libasm, libcpu, libdw, libdwfl, libebl, libelf: - All files updated to GPLv2/LGPLv3+. Except some very small files (<5 lines) which didn't have any headers at all before, the linker .maps files and the libcpu/defs files which only contain data and libelf/elf.h which comes from glibc and is under LGPLv2+. config: - elfutils.spec.in: Add new License: headers and new %doc files. - Update all license headers to GPLv2/LGPLv3+ for files used by libs. src, tests: - All files updated to GPLv3+. Except for the test bz2 data files, the linker maps and script files and some very small files (<5 lines) that don't have any headers. Signed-off-by: Richard Fontana <rfontana@redhat.com> Signed-off-by: Mark Wielaard <mjw@redhat.com>
110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/* Create new, empty section data.
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Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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This file is part of elfutils.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 1998.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stddef.h>
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#include <stdlib.h>
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#include "libelfP.h"
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Elf_Data *
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elf_newdata (Elf_Scn *scn)
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{
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Elf_Data_List *result = NULL;
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if (scn == NULL)
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return NULL;
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if (unlikely (scn->index == 0))
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{
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/* It is not allowed to add something to the 0th section. */
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__libelf_seterrno (ELF_E_NOT_NUL_SECTION);
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return NULL;
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}
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if (scn->elf->class == ELFCLASS32
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|| (offsetof (struct Elf, state.elf32.ehdr)
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== offsetof (struct Elf, state.elf64.ehdr))
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? scn->elf->state.elf32.ehdr == NULL
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: scn->elf->state.elf64.ehdr == NULL)
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{
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__libelf_seterrno (ELF_E_WRONG_ORDER_EHDR);
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return NULL;
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}
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rwlock_wrlock (scn->elf->lock);
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if (scn->data_read && scn->data_list_rear == NULL)
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{
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/* This means the section was created by the user and this is the
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first data. */
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result = &scn->data_list;
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result->flags = ELF_F_DIRTY;
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}
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else
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{
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/* Create a new, empty data descriptor. */
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result = (Elf_Data_List *) calloc (1, sizeof (Elf_Data_List));
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if (result == NULL)
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{
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__libelf_seterrno (ELF_E_NOMEM);
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goto out;
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}
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result->flags = ELF_F_DIRTY | ELF_F_MALLOCED;
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if (scn->data_list_rear == NULL)
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/* We create new data without reading/converting the data from the
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file. That is fine but we have to remember this. */
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scn->data_list_rear = &scn->data_list;
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}
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/* Set the predefined values. */
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result->data.d.d_version = __libelf_version;
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result->data.s = scn;
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/* Add to the end of the list. */
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if (scn->data_list_rear != NULL)
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scn->data_list_rear->next = result;
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scn->data_list_rear = result;
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out:
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rwlock_unlock (scn->elf->lock);
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/* Please note that the following is thread safe and is also defined
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for RESULT == NULL since it still return NULL. */
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return &result->data.d;
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}
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