90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
/* Return the size of an object file type.
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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 <stddef.h>
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#include "libelfP.h"
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/* These are the sizes for all the known types. */
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const size_t __libelf_type_sizes[EV_NUM - 1][ELFCLASSNUM - 1][ELF_T_NUM] =
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{
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/* We have no entry for EV_NONE siince we have to set an error. */
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[EV_CURRENT - 1] = {
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[ELFCLASS32 - 1] = {
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#define TYPE_SIZES(LIBELFBITS) \
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[ELF_T_ADDR] = ELFW2(LIBELFBITS, FSZ_ADDR), \
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[ELF_T_OFF] = ELFW2(LIBELFBITS, FSZ_OFF), \
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[ELF_T_BYTE] = 1, \
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[ELF_T_HALF] = ELFW2(LIBELFBITS, FSZ_HALF), \
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[ELF_T_WORD] = ELFW2(LIBELFBITS, FSZ_WORD), \
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[ELF_T_SWORD] = ELFW2(LIBELFBITS, FSZ_SWORD), \
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[ELF_T_XWORD] = ELFW2(LIBELFBITS, FSZ_XWORD), \
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[ELF_T_SXWORD] = ELFW2(LIBELFBITS, FSZ_SXWORD), \
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[ELF_T_EHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Ehdr)), \
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[ELF_T_SHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Shdr)), \
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[ELF_T_SYM] = sizeof (ElfW2(LIBELFBITS, Ext_Sym)), \
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[ELF_T_REL] = sizeof (ElfW2(LIBELFBITS, Ext_Rel)), \
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[ELF_T_RELA] = sizeof (ElfW2(LIBELFBITS, Ext_Rela)), \
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[ELF_T_PHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Phdr)), \
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[ELF_T_DYN] = sizeof (ElfW2(LIBELFBITS, Ext_Dyn)), \
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[ELF_T_VDEF] = sizeof (ElfW2(LIBELFBITS, Ext_Verdef)), \
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[ELF_T_VDAUX] = sizeof (ElfW2(LIBELFBITS, Ext_Verdaux)), \
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[ELF_T_VNEED] = sizeof (ElfW2(LIBELFBITS, Ext_Verneed)), \
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[ELF_T_VNAUX] = sizeof (ElfW2(LIBELFBITS, Ext_Vernaux)), \
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[ELF_T_NHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Nhdr)), \
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[ELF_T_SYMINFO] = sizeof (ElfW2(LIBELFBITS, Ext_Syminfo)), \
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[ELF_T_MOVE] = sizeof (ElfW2(LIBELFBITS, Ext_Move))
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TYPE_SIZES (32)
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},
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[ELFCLASS64 - 1] = {
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TYPE_SIZES (64)
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}
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}
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};
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size_t
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gelf_fsize (Elf *elf, Elf_Type type, size_t count, unsigned int version)
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{
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/* We do not have differences between file and memory sizes. Better
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not since otherwise `mmap' would not work. */
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if (elf == NULL)
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return 0;
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if (version == EV_NONE || version >= EV_NUM)
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{
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__libelf_seterrno (ELF_E_UNKNOWN_VERSION);
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return 0;
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}
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if (type >= ELF_T_NUM)
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{
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__libelf_seterrno (ELF_E_UNKNOWN_TYPE);
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return 0;
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}
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#if EV_NUM != 2
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return count * __libelf_type_sizes[version - 1][elf->class - 1][type];
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#else
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return count * __libelf_type_sizes[0][elf->class - 1][type];
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#endif
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}
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INTDEF(gelf_fsize)
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