Line data    Source code

       1              : /* Initialization of AArch64 specific backend library.
       2              :    Copyright (C) 2013, 2017, 2026 Red Hat, Inc.
       3              :    This file is part of elfutils.
       4              : 
       5              :    This file is free software; you can redistribute it and/or modify
       6              :    it under the terms of either
       7              : 
       8              :      * the GNU Lesser General Public License as published by the Free
       9              :        Software Foundation; either version 3 of the License, or (at
      10              :        your option) any later version
      11              : 
      12              :    or
      13              : 
      14              :      * the GNU General Public License as published by the Free
      15              :        Software Foundation; either version 2 of the License, or (at
      16              :        your option) any later version
      17              : 
      18              :    or both in parallel, as here.
      19              : 
      20              :    elfutils is distributed in the hope that it will be useful, but
      21              :    WITHOUT ANY WARRANTY; without even the implied warranty of
      22              :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      23              :    General Public License for more details.
      24              : 
      25              :    You should have received copies of the GNU General Public License and
      26              :    the GNU Lesser General Public License along with this program.  If
      27              :    not, see <http://www.gnu.org/licenses/>.  */
      28              : 
      29              : #ifdef HAVE_CONFIG_H
      30              : # include <config.h>
      31              : #endif
      32              : 
      33              : #define BACKEND         aarch64_
      34              : #define RELOC_PREFIX    R_AARCH64_
      35              : #include "libebl_CPU.h"
      36              : #include "libebl_PERF_FLAGS.h"
      37              : 
      38              : /* This defines the common reloc hooks based on aarch64_reloc.def.  */
      39              : #include "common-reloc.c"
      40              : 
      41              : 
      42              : Ebl *
      43           86 : aarch64_init (Elf *elf __attribute__ ((unused)),
      44              :               GElf_Half machine __attribute__ ((unused)),
      45              :               Ebl *eh)
      46              : {
      47              :   /* We handle it.  */
      48           86 :   aarch64_init_reloc (eh);
      49           86 :   HOOK (eh, register_info);
      50           86 :   HOOK (eh, core_note);
      51           86 :   HOOK (eh, reloc_simple_type);
      52           86 :   HOOK (eh, return_value_location);
      53           86 :   HOOK (eh, check_special_symbol);
      54           86 :   HOOK (eh, dynamic_tag_name);
      55           86 :   HOOK (eh, dynamic_tag_check);
      56           86 :   HOOK (eh, data_marker_symbol);
      57           86 :   HOOK (eh, abi_cfi);
      58           86 :   HOOK (eh, section_type_name);
      59              : 
      60              :   /* X0-X30 (31 regs) + SP + 1 Reserved + ELR, 30 Reserved regs (34-43)
      61              :      + V0-V31 (32 regs, least significant 64 bits only)
      62              :      + ALT_FRAME_RETURN_COLUMN (used when LR isn't used) = 97 DWARF regs. */
      63           86 :   eh->frame_nregs = 97;
      64           86 :   HOOK (eh, set_initial_registers_tid);
      65           86 :   HOOK (eh, set_initial_registers_sample);
      66           86 :   HOOK (eh, sample_sp_pc);
      67              :   /* sample_perf_regs_mapping is default ver  */
      68           86 :   eh->perf_frame_regs_mask = PERF_FRAME_REGISTERS_AARCH64
      69              :       | PERF_FRAME_REGISTERS_ARM; /* XXX try to include 32-bit compat mode regs  */
      70           86 :   __libebl_init_cached_regs_mapping (eh);
      71           86 :   HOOK (eh, unwind);
      72              : 
      73           86 :   return eh;
      74              : }