Branch data     Line data    Source code

       1                 :             : /* Initialization of Arm specific backend library.
       2                 :             :    Copyright (C) 2002, 2005, 2009, 2013, 2014, 2015, 2017, 2026 Red Hat, Inc.
       3                 :             :    This file is part of elfutils.
       4                 :             :    Written by Ulrich Drepper <drepper@redhat.com>, 2002.
       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         arm_
      35                 :             : #define RELOC_PREFIX    R_ARM_
      36                 :             : #include "libebl_CPU.h"
      37                 :             : #include "libebl_PERF_FLAGS.h"
      38                 :             : 
      39                 :             : /* This defines the common reloc hooks based on arm_reloc.def.  */
      40                 :             : #include "common-reloc.c"
      41                 :             : 
      42                 :             : 
      43                 :             : Ebl *
      44                 :          18 : arm_init (Elf *elf __attribute__ ((unused)),
      45                 :             :           GElf_Half machine __attribute__ ((unused)),
      46                 :             :           Ebl *eh)
      47                 :             : {
      48                 :             :   /* We handle it.  */
      49                 :          18 :   arm_init_reloc (eh);
      50                 :          18 :   HOOK (eh, segment_type_name);
      51                 :          18 :   HOOK (eh, section_type_name);
      52                 :          18 :   HOOK (eh, machine_flag_check);
      53                 :          18 :   HOOK (eh, reloc_simple_type);
      54                 :          18 :   HOOK (eh, register_info);
      55                 :          18 :   HOOK (eh, core_note);
      56                 :          18 :   HOOK (eh, auxv_info);
      57                 :          18 :   HOOK (eh, check_object_attribute);
      58                 :          18 :   HOOK (eh, return_value_location);
      59                 :          18 :   HOOK (eh, abi_cfi);
      60                 :          18 :   HOOK (eh, check_reloc_target_type);
      61                 :          18 :   HOOK (eh, symbol_type_name);
      62                 :          18 :   HOOK (eh, data_marker_symbol);
      63                 :          18 :   HOOK (eh, machine_flag_name);
      64                 :             : 
      65                 :             :   /* We only unwind the core integer registers.  */
      66                 :          18 :   eh->frame_nregs = 16;
      67                 :          18 :   HOOK (eh, set_initial_registers_tid);
      68                 :             :   /* set_initial_registers_sample is default ver  */
      69                 :          18 :   HOOK (eh, sample_sp_pc);
      70                 :             :   /* sample_perf_regs_mapping is default ver  */
      71                 :          18 :   eh->perf_frame_regs_mask = PERF_FRAME_REGISTERS_ARM;
      72                 :          18 :   __libebl_init_cached_regs_mapping (eh);
      73                 :             : 
      74                 :             :   /* Bit zero encodes whether an function address is THUMB or ARM. */
      75                 :          18 :   eh->func_addr_mask = ~(GElf_Addr)1;
      76                 :             : 
      77                 :          18 :   return eh;
      78                 :             : }