159 lines
3.8 KiB
C
159 lines
3.8 KiB
C
/* IA-64 specific symbolic name handling.
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Copyright (C) 2002-2009, 2014 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 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 <elf.h>
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#include <stddef.h>
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#include <assert.h>
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#define BACKEND ia64_
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#include "libebl_CPU.h"
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const char *
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ia64_segment_type_name (int segment, char *buf __attribute__ ((unused)),
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size_t len __attribute__ ((unused)))
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{
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switch (segment)
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{
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case PT_IA_64_ARCHEXT:
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return "IA_64_ARCHEXT";
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case PT_IA_64_UNWIND:
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return "IA_64_UNWIND";
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case PT_IA_64_HP_OPT_ANOT:
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return "IA_64_HP_OPT_ANOT";
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case PT_IA_64_HP_HSL_ANOT:
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return "IA_64_HP_HSL_ANOT";
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case PT_IA_64_HP_STACK:
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return "IA_64_HP_STACK";
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default:
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break;
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}
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return NULL;
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}
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const char *
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ia64_dynamic_tag_name (int64_t tag, char *buf __attribute__ ((unused)),
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size_t len __attribute__ ((unused)))
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{
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switch (tag)
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{
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case DT_IA_64_PLT_RESERVE:
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return "IA_64_PLT_RESERVE";
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default:
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break;
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}
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return NULL;
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}
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/* Check dynamic tag. */
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bool
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ia64_dynamic_tag_check (int64_t tag)
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{
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return tag == DT_IA_64_PLT_RESERVE;
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}
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/* Check whether machine flags are valid. */
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bool
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ia64_machine_flag_check (GElf_Word flags)
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{
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return ((flags &~ EF_IA_64_ABI64) == 0);
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}
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/* Check whether SHF_MASKPROC flags are valid. */
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bool
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ia64_machine_section_flag_check (GElf_Xword sh_flags)
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{
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return (sh_flags &~ (SHF_IA_64_SHORT | SHF_IA_64_NORECOV)) == 0;
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}
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/* Return symbolic representation of section type. */
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const char *
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ia64_section_type_name (int type,
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char *buf __attribute__ ((unused)),
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size_t len __attribute__ ((unused)))
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{
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switch (type)
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{
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case SHT_IA_64_EXT:
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return "IA_64_EXT";
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case SHT_IA_64_UNWIND:
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return "IA_64_UNWIND";
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}
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return NULL;
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}
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/* Check for the simple reloc types. */
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Elf_Type
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ia64_reloc_simple_type (Ebl *ebl, int type,
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int *addsub __attribute__ ((unused)))
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{
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switch (type)
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{
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/* The SECREL types when used with non-allocated sections
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like .debug_* are the same as direct absolute relocs
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applied to those sections, since a 0 section address is assumed.
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So we treat them the same here. */
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case R_IA64_SECREL32MSB:
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case R_IA64_DIR32MSB:
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if (ebl->data == ELFDATA2MSB)
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return ELF_T_WORD;
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break;
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case R_IA64_SECREL32LSB:
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case R_IA64_DIR32LSB:
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if (ebl->data == ELFDATA2LSB)
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return ELF_T_WORD;
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break;
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case R_IA64_DIR64MSB:
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case R_IA64_SECREL64MSB:
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if (ebl->data == ELFDATA2MSB)
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return ELF_T_XWORD;
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break;
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case R_IA64_SECREL64LSB:
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case R_IA64_DIR64LSB:
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if (ebl->data == ELFDATA2LSB)
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return ELF_T_XWORD;
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break;
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}
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return ELF_T_NUM;
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}
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/* The SHT_IA_64_UNWIND section type is a valid target for relocation. */
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bool
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ia64_check_reloc_target_type (Ebl *ebl __attribute__ ((unused)), Elf64_Word sh_type)
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{
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return sh_type == SHT_IA_64_UNWIND;
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}
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