Line data    Source code

       1             : /* Initialization of x86-64 specific backend library.
       2             :    Copyright (C) 2002-2009, 2013, 2018 Red Hat, Inc.
       3             :    Copyright (C) H.J. Lu <hjl.tools@gmail.com>, 2015.
       4             :    This file is part of elfutils.
       5             :    Written by Ulrich Drepper <drepper@redhat.com>, 2002.
       6             : 
       7             :    This file is free software; you can redistribute it and/or modify
       8             :    it under the terms of either
       9             : 
      10             :      * the GNU Lesser General Public License as published by the Free
      11             :        Software Foundation; either version 3 of the License, or (at
      12             :        your option) any later version
      13             : 
      14             :    or
      15             : 
      16             :      * the GNU General Public License as published by the Free
      17             :        Software Foundation; either version 2 of the License, or (at
      18             :        your option) any later version
      19             : 
      20             :    or both in parallel, as here.
      21             : 
      22             :    elfutils is distributed in the hope that it will be useful, but
      23             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      24             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      25             :    General Public License for more details.
      26             : 
      27             :    You should have received copies of the GNU General Public License and
      28             :    the GNU Lesser General Public License along with this program.  If
      29             :    not, see <http://www.gnu.org/licenses/>.  */
      30             : 
      31             : #ifdef HAVE_CONFIG_H
      32             : # include <config.h>
      33             : #endif
      34             : 
      35             : #define BACKEND         x86_64_
      36             : #define RELOC_PREFIX    R_X86_64_
      37             : #include "libebl_CPU.h"
      38             : 
      39             : /* This defines the common reloc hooks based on x86_64_reloc.def.  */
      40             : #include "common-reloc.c"
      41             : 
      42             : extern __typeof (EBLHOOK (core_note)) x32_core_note attribute_hidden;
      43             : 
      44             : const char *
      45         802 : x86_64_init (Elf *elf __attribute__ ((unused)),
      46             :              GElf_Half machine __attribute__ ((unused)),
      47             :              Ebl *eh,
      48             :              size_t ehlen)
      49             : {
      50             :   /* Check whether the Elf_BH object has a sufficent size.  */
      51         802 :   if (ehlen < sizeof (Ebl))
      52             :     return NULL;
      53             : 
      54             :   /* We handle it.  */
      55         802 :   x86_64_init_reloc (eh);
      56         802 :   HOOK (eh, reloc_simple_type);
      57         802 :   HOOK (eh, section_type_name);
      58         802 :   if (eh->class == ELFCLASS32)
      59          17 :     eh->core_note = x32_core_note;
      60             :   else
      61         785 :     HOOK (eh, core_note);
      62         802 :   HOOK (eh, return_value_location);
      63         802 :   HOOK (eh, register_info);
      64         802 :   HOOK (eh, syscall_abi);
      65         802 :   HOOK (eh, auxv_info);
      66         802 :   HOOK (eh, disasm);
      67         802 :   HOOK (eh, abi_cfi);
      68             :   /* gcc/config/ #define DWARF_FRAME_REGISTERS.  */
      69         802 :   eh->frame_nregs = 17;
      70         802 :   HOOK (eh, set_initial_registers_tid);
      71         802 :   HOOK (eh, unwind);
      72             : 
      73         802 :   return MODVERSION;
      74             : }