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>
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/* Copyright (C) 2002, 2005 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2002.
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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 the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <error.h>
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#include <fcntl.h>
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#include <gelf.h>
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#include <stdlib.h>
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#include <unistd.h>
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int
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main (int argc, char *argv[])
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{
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if (argc < 3)
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error (EXIT_FAILURE, 0, "usage: %s FROMNAME TONAME", argv[0]);
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elf_version (EV_CURRENT);
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int infd = open (argv[1], O_RDONLY);
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if (infd == -1)
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error (EXIT_FAILURE, errno, "cannot open input file '%s'", argv[1]);
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Elf *inelf = elf_begin (infd, ELF_C_READ, NULL);
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if (inelf == NULL)
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error (EXIT_FAILURE, 0, "problems opening '%s' as ELF file: %s",
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argv[1], elf_errmsg (-1));
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int outfd = creat (argv[2], 0666);
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if (outfd == -1)
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error (EXIT_FAILURE, errno, "cannot open output file '%s'", argv[2]);
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Elf *outelf = elf_begin (outfd, ELF_C_WRITE, NULL);
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if (outelf == NULL)
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error (EXIT_FAILURE, 0, "problems opening '%s' as ELF file: %s",
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argv[2], elf_errmsg (-1));
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gelf_newehdr (outelf, gelf_getclass (inelf));
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GElf_Ehdr ehdr_mem;
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GElf_Ehdr *ehdr;
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gelf_update_ehdr (outelf, (ehdr = gelf_getehdr (inelf, &ehdr_mem)));
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if (ehdr->e_phnum > 0)
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{
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int cnt;
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if (gelf_newphdr (outelf, ehdr->e_phnum) == 0)
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error (EXIT_FAILURE, 0, "cannot create program header: %s",
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elf_errmsg (-1));
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for (cnt = 0; cnt < ehdr->e_phnum; ++cnt)
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{
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GElf_Phdr phdr_mem;
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gelf_update_phdr (outelf, cnt, gelf_getphdr (inelf, cnt, &phdr_mem));
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}
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}
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Elf_Scn *scn = NULL;
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while ((scn = elf_nextscn (inelf, scn)) != NULL)
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{
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Elf_Scn *newscn = elf_newscn (outelf);
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GElf_Shdr shdr_mem;
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gelf_update_shdr (newscn, gelf_getshdr (scn, &shdr_mem));
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*elf_newdata (newscn) = *elf_getdata (scn, NULL);
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}
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elf_flagelf (outelf, ELF_C_SET, ELF_F_LAYOUT);
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if (elf_update (outelf, ELF_C_WRITE) == -1)
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error (EXIT_FAILURE, 0, "elf_update failed: %s", elf_errmsg (-1));
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elf_end (outelf);
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close (outfd);
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elf_end (inelf);
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return 0;
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}
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