|
Packit Service |
97d2fb |
/* Initialization of PPC64 specific backend library.
|
|
Packit Service |
97d2fb |
Copyright (C) 2004, 2005, 2006, 2007, 2008, 2013, 2014 Red Hat, Inc.
|
|
Packit Service |
97d2fb |
This file is part of elfutils.
|
|
Packit Service |
97d2fb |
Written by Ulrich Drepper <drepper@redhat.com>, 2004.
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
This file is free software; you can redistribute it and/or modify
|
|
Packit Service |
97d2fb |
it under the terms of either
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
* the GNU Lesser General Public License as published by the Free
|
|
Packit Service |
97d2fb |
Software Foundation; either version 3 of the License, or (at
|
|
Packit Service |
97d2fb |
your option) any later version
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
or
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
* the GNU General Public License as published by the Free
|
|
Packit Service |
97d2fb |
Software Foundation; either version 2 of the License, or (at
|
|
Packit Service |
97d2fb |
your option) any later version
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
or both in parallel, as here.
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
elfutils is distributed in the hope that it will be useful, but
|
|
Packit Service |
97d2fb |
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit Service |
97d2fb |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit Service |
97d2fb |
General Public License for more details.
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
You should have received copies of the GNU General Public License and
|
|
Packit Service |
97d2fb |
the GNU Lesser General Public License along with this program. If
|
|
Packit Service |
97d2fb |
not, see <http://www.gnu.org/licenses/>. */
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
#ifdef HAVE_CONFIG_H
|
|
Packit Service |
97d2fb |
# include <config.h>
|
|
Packit Service |
97d2fb |
#endif
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
#include <string.h>
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
#define BACKEND ppc64_
|
|
Packit Service |
97d2fb |
#define RELOC_PREFIX R_PPC64_
|
|
Packit Service |
97d2fb |
#include "libebl_CPU.h"
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
/* This defines the common reloc hooks based on ppc64_reloc.def. */
|
|
Packit Service |
97d2fb |
#include "common-reloc.c"
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
Ebl *
|
|
Packit Service |
97d2fb |
ppc64_init (Elf *elf __attribute__ ((unused)),
|
|
Packit Service |
97d2fb |
GElf_Half machine __attribute__ ((unused)),
|
|
Packit Service |
97d2fb |
Ebl *eh)
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
/* We handle it. */
|
|
Packit Service |
97d2fb |
ppc64_init_reloc (eh);
|
|
Packit Service |
97d2fb |
HOOK (eh, reloc_simple_type);
|
|
Packit Service |
97d2fb |
HOOK (eh, dynamic_tag_name);
|
|
Packit Service |
97d2fb |
HOOK (eh, dynamic_tag_check);
|
|
Packit Service |
97d2fb |
HOOK (eh, machine_flag_check);
|
|
Packit Service |
97d2fb |
HOOK (eh, copy_reloc_p);
|
|
Packit Service |
97d2fb |
HOOK (eh, check_special_symbol);
|
|
Packit Service |
97d2fb |
HOOK (eh, check_st_other_bits);
|
|
Packit Service |
97d2fb |
HOOK (eh, bss_plt_p);
|
|
Packit Service |
97d2fb |
HOOK (eh, return_value_location);
|
|
Packit Service |
97d2fb |
HOOK (eh, register_info);
|
|
Packit Service |
97d2fb |
HOOK (eh, core_note);
|
|
Packit Service |
97d2fb |
HOOK (eh, auxv_info);
|
|
Packit Service |
97d2fb |
HOOK (eh, check_object_attribute);
|
|
Packit Service |
97d2fb |
HOOK (eh, abi_cfi);
|
|
Packit Service |
97d2fb |
/* gcc/config/ #define DWARF_FRAME_REGISTERS. */
|
|
Packit Service |
97d2fb |
eh->frame_nregs = (114 - 1) + 32;
|
|
Packit Service |
97d2fb |
HOOK (eh, set_initial_registers_tid);
|
|
Packit Service |
97d2fb |
HOOK (eh, dwarf_to_regno);
|
|
Packit Service |
97d2fb |
HOOK (eh, unwind);
|
|
Packit Service |
97d2fb |
HOOK (eh, resolve_sym_value);
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
/* Find the function descriptor .opd table for resolve_sym_value. */
|
|
Packit Service |
97d2fb |
if (elf != NULL)
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
GElf_Ehdr ehdr_mem, *ehdr = gelf_getehdr (elf, &ehdr_mem);
|
|
Packit Service |
97d2fb |
size_t shstrndx;
|
|
Packit Service |
97d2fb |
if (ehdr != NULL && ehdr->e_type != ET_REL
|
|
Packit Service |
97d2fb |
&& elf_getshdrstrndx (elf, &shstrndx) == 0)
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
/* We could also try through DT_PPC64_OPD and DT_PPC64_OPDSZ. */
|
|
Packit Service |
97d2fb |
GElf_Shdr opd_shdr_mem, *opd_shdr;
|
|
Packit Service |
97d2fb |
Elf_Scn *scn = NULL;
|
|
Packit Service |
97d2fb |
while ((scn = elf_nextscn (elf, scn)) != NULL)
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
opd_shdr = gelf_getshdr (scn, &opd_shdr_mem);
|
|
Packit Service |
97d2fb |
if (opd_shdr != NULL
|
|
Packit Service |
97d2fb |
&& (opd_shdr->sh_flags & SHF_ALLOC) != 0
|
|
Packit Service |
97d2fb |
&& opd_shdr->sh_type == SHT_PROGBITS
|
|
Packit Service |
97d2fb |
&& opd_shdr->sh_size > 0)
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
const char *name = elf_strptr (elf, shstrndx,
|
|
Packit Service |
97d2fb |
opd_shdr->sh_name);
|
|
Packit Service |
97d2fb |
if (name != NULL && strcmp (name, ".opd") == 0)
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
eh->fd_addr = opd_shdr->sh_addr;
|
|
Packit Service |
97d2fb |
eh->fd_data = elf_getdata (scn, NULL);
|
|
Packit Service |
97d2fb |
break;
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
return eh;
|
|
Packit Service |
97d2fb |
}
|