Line data    Source code

       1              : /* Populate process registers from a register sample.
       2              :    Copyright (C) 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 arm_
      34              : #include "libebl_CPU.h"
      35              : #include "libebl_PERF_FLAGS.h"
      36              : 
      37              : bool
      38            0 : arm_sample_sp_pc (const Dwarf_Word *regs, uint32_t n_regs,
      39              :                   const int *regs_mapping, size_t n_regs_mapping,
      40              :                   Dwarf_Word *sp, Dwarf_Word *pc)
      41              : {
      42            0 :   return generic_sample_sp_pc (regs, n_regs, regs_mapping, n_regs_mapping,
      43              :                                sp, 13 /* index of sp in dwarf_regs */,
      44              :                                pc, 15 /* index of pc in dwarf_regs */);
      45              : }
      46              : 
      47              : /* XXX The default ebl_set_initial_registers_sample implementation can
      48              :    be used -- whereas the ptrace code in arm_initreg.c has to unpack a
      49              :    register file of 32-bit words into a Dwarf_Word array, here we
      50              :    should already be provided an appropriately-packed array
      51              :    originating from perf_events.  */