Line data    Source code

       1              : /* Initialization of i386 specific backend library.
       2              :    Copyright (C) 2000-2009, 2013, 2017, 2025 Red Hat, Inc.
       3              :    This file is part of elfutils.
       4              :    Written by Ulrich Drepper <drepper@redhat.com>, 2000.
       5              : 
       6              :    This file is free software; you can redistribute it and/or modify
       7              :    it under the terms of either
       8              : 
       9              :      * the GNU Lesser General Public License as published by the Free
      10              :        Software Foundation; either version 3 of the License, or (at
      11              :        your option) any later version
      12              : 
      13              :    or
      14              : 
      15              :      * the GNU General Public License as published by the Free
      16              :        Software Foundation; either version 2 of the License, or (at
      17              :        your option) any later version
      18              : 
      19              :    or both in parallel, as here.
      20              : 
      21              :    elfutils is distributed in the hope that it will be useful, but
      22              :    WITHOUT ANY WARRANTY; without even the implied warranty of
      23              :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24              :    General Public License for more details.
      25              : 
      26              :    You should have received copies of the GNU General Public License and
      27              :    the GNU Lesser General Public License along with this program.  If
      28              :    not, see <http://www.gnu.org/licenses/>.  */
      29              : 
      30              : #ifdef HAVE_CONFIG_H
      31              : # include <config.h>
      32              : #endif
      33              : 
      34              : #define BACKEND         i386_
      35              : #define RELOC_PREFIX    R_386_
      36              : #include "libebl_CPU.h"
      37              : #include "libebl_PERF_FLAGS.h"
      38              : 
      39              : /* This defines the common reloc hooks based on i386_reloc.def.  */
      40              : #include "common-reloc.c"
      41              : 
      42              : Ebl *
      43          702 : i386_init (Elf *elf __attribute__ ((unused)),
      44              :            GElf_Half machine __attribute__ ((unused)),
      45              :            Ebl *eh)
      46              : {
      47              :   /* We handle it.  */
      48          702 :   i386_init_reloc (eh);
      49          702 :   HOOK (eh, reloc_simple_type);
      50          702 :   HOOK (eh, gotpc_reloc_check);
      51          702 :   HOOK (eh, core_note);
      52          702 :   generic_debugscn_p = eh->debugscn_p;
      53          702 :   HOOK (eh, debugscn_p);
      54          702 :   HOOK (eh, return_value_location);
      55          702 :   HOOK (eh, register_info);
      56          702 :   HOOK (eh, auxv_info);
      57          702 :   HOOK (eh, disasm);
      58          702 :   HOOK (eh, abi_cfi);
      59              :   /* gcc/config/ #define DWARF_FRAME_REGISTERS.  For i386 it is 17, why?
      60              :      (Likely an artifact of reusing that header between i386/x86_64.)  */
      61          702 :   eh->frame_nregs = 9;
      62          702 :   HOOK (eh, set_initial_registers_tid);
      63          702 :   HOOK (eh, set_initial_registers_sample);
      64          702 :   HOOK (eh, sample_base_addr);
      65          702 :   HOOK (eh, sample_pc);
      66          702 :   eh->perf_frame_regs_mask = PERF_FRAME_REGISTERS_I386;
      67          702 :   HOOK (eh, unwind);
      68              : 
      69          702 :   return eh;
      70              : }