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              : }