You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
159 lines
3.8 KiB
159 lines
3.8 KiB
/* IA-64 specific symbolic name handling.
|
|
Copyright (C) 2002-2009, 2014 Red Hat, Inc.
|
|
This file is part of elfutils.
|
|
Written by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
This file is free software; you can redistribute it and/or modify
|
|
it under the terms of either
|
|
|
|
* the GNU Lesser General Public License as published by the Free
|
|
Software Foundation; either version 3 of the License, or (at
|
|
your option) any later version
|
|
|
|
or
|
|
|
|
* the GNU General Public License as published by the Free
|
|
Software Foundation; either version 2 of the License, or (at
|
|
your option) any later version
|
|
|
|
or both in parallel, as here.
|
|
|
|
elfutils is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
General Public License for more details.
|
|
|
|
You should have received copies of the GNU General Public License and
|
|
the GNU Lesser General Public License along with this program. If
|
|
not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <elf.h>
|
|
#include <stddef.h>
|
|
#include <assert.h>
|
|
|
|
#define BACKEND ia64_
|
|
#include "libebl_CPU.h"
|
|
|
|
|
|
const char *
|
|
ia64_segment_type_name (int segment, char *buf __attribute__ ((unused)),
|
|
size_t len __attribute__ ((unused)))
|
|
{
|
|
switch (segment)
|
|
{
|
|
case PT_IA_64_ARCHEXT:
|
|
return "IA_64_ARCHEXT";
|
|
case PT_IA_64_UNWIND:
|
|
return "IA_64_UNWIND";
|
|
case PT_IA_64_HP_OPT_ANOT:
|
|
return "IA_64_HP_OPT_ANOT";
|
|
case PT_IA_64_HP_HSL_ANOT:
|
|
return "IA_64_HP_HSL_ANOT";
|
|
case PT_IA_64_HP_STACK:
|
|
return "IA_64_HP_STACK";
|
|
default:
|
|
break;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
const char *
|
|
ia64_dynamic_tag_name (int64_t tag, char *buf __attribute__ ((unused)),
|
|
size_t len __attribute__ ((unused)))
|
|
{
|
|
switch (tag)
|
|
{
|
|
case DT_IA_64_PLT_RESERVE:
|
|
return "IA_64_PLT_RESERVE";
|
|
default:
|
|
break;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* Check dynamic tag. */
|
|
bool
|
|
ia64_dynamic_tag_check (int64_t tag)
|
|
{
|
|
return tag == DT_IA_64_PLT_RESERVE;
|
|
}
|
|
|
|
/* Check whether machine flags are valid. */
|
|
bool
|
|
ia64_machine_flag_check (GElf_Word flags)
|
|
{
|
|
return ((flags &~ EF_IA_64_ABI64) == 0);
|
|
}
|
|
|
|
/* Check whether SHF_MASKPROC flags are valid. */
|
|
bool
|
|
ia64_machine_section_flag_check (GElf_Xword sh_flags)
|
|
{
|
|
return (sh_flags &~ (SHF_IA_64_SHORT | SHF_IA_64_NORECOV)) == 0;
|
|
}
|
|
|
|
/* Return symbolic representation of section type. */
|
|
const char *
|
|
ia64_section_type_name (int type,
|
|
char *buf __attribute__ ((unused)),
|
|
size_t len __attribute__ ((unused)))
|
|
{
|
|
switch (type)
|
|
{
|
|
case SHT_IA_64_EXT:
|
|
return "IA_64_EXT";
|
|
case SHT_IA_64_UNWIND:
|
|
return "IA_64_UNWIND";
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Check for the simple reloc types. */
|
|
Elf_Type
|
|
ia64_reloc_simple_type (Ebl *ebl, int type,
|
|
int *addsub __attribute__ ((unused)))
|
|
{
|
|
switch (type)
|
|
{
|
|
/* The SECREL types when used with non-allocated sections
|
|
like .debug_* are the same as direct absolute relocs
|
|
applied to those sections, since a 0 section address is assumed.
|
|
So we treat them the same here. */
|
|
|
|
case R_IA64_SECREL32MSB:
|
|
case R_IA64_DIR32MSB:
|
|
if (ebl->data == ELFDATA2MSB)
|
|
return ELF_T_WORD;
|
|
break;
|
|
case R_IA64_SECREL32LSB:
|
|
case R_IA64_DIR32LSB:
|
|
if (ebl->data == ELFDATA2LSB)
|
|
return ELF_T_WORD;
|
|
break;
|
|
case R_IA64_DIR64MSB:
|
|
case R_IA64_SECREL64MSB:
|
|
if (ebl->data == ELFDATA2MSB)
|
|
return ELF_T_XWORD;
|
|
break;
|
|
case R_IA64_SECREL64LSB:
|
|
case R_IA64_DIR64LSB:
|
|
if (ebl->data == ELFDATA2LSB)
|
|
return ELF_T_XWORD;
|
|
break;
|
|
}
|
|
|
|
return ELF_T_NUM;
|
|
}
|
|
|
|
/* The SHT_IA_64_UNWIND section type is a valid target for relocation. */
|
|
bool
|
|
ia64_check_reloc_target_type (Ebl *ebl __attribute__ ((unused)), Elf64_Word sh_type)
|
|
{
|
|
return sh_type == SHT_IA_64_UNWIND;
|
|
}
|