diff options
Diffstat (limited to 'linkers/elftoolchain/libelf/gelf_symshndx.c')
| -rw-r--r-- | linkers/elftoolchain/libelf/gelf_symshndx.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/linkers/elftoolchain/libelf/gelf_symshndx.c b/linkers/elftoolchain/libelf/gelf_symshndx.c deleted file mode 100644 index ab3549c..0000000 --- a/linkers/elftoolchain/libelf/gelf_symshndx.c +++ /dev/null @@ -1,128 +0,0 @@ -/*- - * Copyright (c) 2006,2008 Joseph Koshy - * All rights reserved. - * - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - */ - -#include <sys/cdefs.h> - -#include <assert.h> -#include <gelf.h> - -#include "_libelf.h" - -LIBELF_VCSID("$Id: gelf_symshndx.c 189 2008-07-20 10:38:08Z jkoshy $"); - -GElf_Sym * -gelf_getsymshndx(Elf_Data *d, Elf_Data *id, int ndx, GElf_Sym *dst, - Elf32_Word *shindex) -{ - int ec; - Elf *e; - Elf_Scn *scn; - size_t msz; - uint32_t sh_type; - - if (gelf_getsym(d, ndx, dst) == 0) - return (NULL); - - if (id == NULL || (scn = id->d_scn) == NULL || - (e = scn->s_elf) == NULL || (e != d->d_scn->s_elf) || - shindex == NULL) { - LIBELF_SET_ERROR(ARGUMENT, 0); - return (NULL); - } - - ec = e->e_class; - assert(ec == ELFCLASS32 || ec == ELFCLASS64); - - if (ec == ELFCLASS32) - sh_type = scn->s_shdr.s_shdr32.sh_type; - else - sh_type = scn->s_shdr.s_shdr64.sh_type; - - if (_libelf_xlate_shtype(sh_type) != ELF_T_WORD || - id->d_type != ELF_T_WORD) { - LIBELF_SET_ERROR(ARGUMENT, 0); - return (NULL); - } - - msz = _libelf_msize(ELF_T_WORD, ec, e->e_version); - - assert(msz > 0); - - if (msz * ndx >= id->d_size) { - LIBELF_SET_ERROR(ARGUMENT, 0); - return (NULL); - } - - *shindex = ((Elf32_Word *) id->d_buf)[ndx]; - - return (dst); -} - -int -gelf_update_symshndx(Elf_Data *d, Elf_Data *id, int ndx, GElf_Sym *gs, - Elf32_Word xindex) -{ - int ec; - Elf *e; - Elf_Scn *scn; - size_t msz; - uint32_t sh_type; - - if (gelf_update_sym(d, ndx, gs) == 0) - return (0); - - if (id == NULL || (scn = id->d_scn) == NULL || - (e = scn->s_elf) == NULL || (e != d->d_scn->s_elf)) { - LIBELF_SET_ERROR(ARGUMENT, 0); - return (0); - } - - ec = e->e_class; - assert(ec == ELFCLASS32 || ec == ELFCLASS64); - - if (ec == ELFCLASS32) - sh_type = scn->s_shdr.s_shdr32.sh_type; - else - sh_type = scn->s_shdr.s_shdr64.sh_type; - - if (_libelf_xlate_shtype(sh_type) != ELF_T_WORD || - d->d_type != ELF_T_WORD) { - LIBELF_SET_ERROR(ARGUMENT, 0); - return (0); - } - - msz = _libelf_msize(ELF_T_WORD, ec, e->e_version); - assert(msz > 0); - - if (msz * ndx >= id->d_size) { - LIBELF_SET_ERROR(ARGUMENT, 0); - return (0); - } - - *(((Elf32_Word *) id->d_buf) + ndx) = xindex; - - return (1); -} |