87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/* Return section header.
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Copyright (C) 1998, 1999, 2000, 2002 Red Hat, Inc.
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Written by Ulrich Drepper <drepper@redhat.com>, 1998.
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This program is Open Source software; you can redistribute it and/or
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modify it under the terms of the Open Software License version 1.0 as
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published by the Open Source Initiative.
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You should have received a copy of the Open Software License along
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with this program; if not, you may obtain a copy of the Open Software
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License version 1.0 from http://www.opensource.org/licenses/osl.php or
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by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
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3001 King Ranch Road, Ukiah, CA 95482. */
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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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GElf_Shdr *
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gelf_getshdr (Elf_Scn *scn, GElf_Shdr *dst)
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{
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GElf_Shdr *result = NULL;
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if (scn == NULL)
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return NULL;
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if (dst == NULL)
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{
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__libelf_seterrno (ELF_E_INVALID_OPERAND);
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return NULL;
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}
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rwlock_rdlock (scn->elf->lock);
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if (scn->elf->class == ELFCLASS32)
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{
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/* Copy the elements one-by-one. */
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Elf32_Shdr *shdr = scn->shdr.e32 ? scn->shdr.e32 : INTUSE(elf32_getshdr) (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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#define COPY(name) \
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dst->name = shdr->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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result = dst;
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}
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else
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{
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Elf64_Shdr *shdr = scn->shdr.e64 ? scn->shdr.e64 : INTUSE(elf64_getshdr) (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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result = memcpy (dst, shdr, sizeof (GElf_Shdr));
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}
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out:
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rwlock_unlock (scn->elf->lock);
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return result;
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}
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INTDEF(gelf_getshdr)
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