mirror of
https://github.com/openharmony/third_party_elfutils.git
synced 2026-07-01 06:41:51 -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>
112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/* Update section header.
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Copyright (C) 2000, 2001, 2002, 2010 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2000.
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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 <gelf.h>
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#include <string.h>
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#include "libelfP.h"
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int
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gelf_update_shdr (Elf_Scn *scn, GElf_Shdr *src)
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{
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int result = 0;
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Elf *elf;
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if (scn == NULL || src == NULL)
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return 0;
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elf = scn->elf;
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rwlock_wrlock (elf->lock);
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if (elf->class == ELFCLASS32)
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{
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Elf32_Shdr *shdr
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= scn->shdr.e32 ?: __elf32_getshdr_wrlock (scn);
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if (shdr == NULL)
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{
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__libelf_seterrno (ELF_E_INVALID_OPERAND);
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goto out;
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}
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if (unlikely (src->sh_flags > 0xffffffffull)
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|| unlikely (src->sh_addr > 0xffffffffull)
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|| unlikely (src->sh_offset > 0xffffffffull)
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|| unlikely (src->sh_size > 0xffffffffull)
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|| unlikely (src->sh_addralign > 0xffffffffull)
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|| unlikely (src->sh_entsize > 0xffffffffull))
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{
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__libelf_seterrno (ELF_E_INVALID_DATA);
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goto out;
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}
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#define COPY(name) \
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shdr->name = src->name
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COPY (sh_name);
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COPY (sh_type);
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COPY (sh_flags);
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COPY (sh_addr);
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COPY (sh_offset);
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COPY (sh_size);
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COPY (sh_link);
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COPY (sh_info);
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COPY (sh_addralign);
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COPY (sh_entsize);
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}
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else
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{
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Elf64_Shdr *shdr
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= scn->shdr.e64 ?: __elf64_getshdr_wrlock (scn);
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if (shdr == NULL)
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{
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__libelf_seterrno (ELF_E_INVALID_OPERAND);
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goto out;
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}
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/* We only have to copy the data. */
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(void) memcpy (shdr, src, sizeof (GElf_Shdr));
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}
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/* Mark the section header as modified. */
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scn->shdr_flags |= ELF_F_DIRTY;
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result = 1;
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out:
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rwlock_unlock (elf->lock);
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return result;
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}
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