Line data    Source code

       1             : /* Initialization of RISC-V specific backend library.
       2             :    This file is part of elfutils.
       3             : 
       4             :    This file is free software; you can redistribute it and/or modify
       5             :    it under the terms of either
       6             : 
       7             :      * the GNU Lesser General Public License as published by the Free
       8             :        Software Foundation; either version 3 of the License, or (at
       9             :        your option) any later version
      10             : 
      11             :    or
      12             : 
      13             :      * the GNU General Public License as published by the Free
      14             :        Software Foundation; either version 2 of the License, or (at
      15             :        your option) any later version
      16             : 
      17             :    or both in parallel, as here.
      18             : 
      19             :    elfutils is distributed in the hope that it will be useful, but
      20             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      21             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      22             :    General Public License for more details.
      23             : 
      24             :    You should have received copies of the GNU General Public License and
      25             :    the GNU Lesser General Public License along with this program.  If
      26             :    not, see <http://www.gnu.org/licenses/>.  */
      27             : 
      28             : #ifdef HAVE_CONFIG_H
      29             : # include <config.h>
      30             : #endif
      31             : 
      32             : #define BACKEND         riscv_
      33             : #define RELOC_PREFIX    R_RISCV_
      34             : #include "libebl_CPU.h"
      35             : 
      36             : #include "libelfP.h"
      37             : 
      38             : /* This defines the common reloc hooks based on riscv_reloc.def.  */
      39             : #include "common-reloc.c"
      40             : 
      41             : extern __typeof (EBLHOOK (return_value_location))
      42             :   riscv_return_value_location_lp64d attribute_hidden;
      43             : 
      44             : extern __typeof (EBLHOOK (core_note)) riscv64_core_note attribute_hidden;
      45             : 
      46             : const char *
      47          19 : riscv_init (Elf *elf,
      48             :             GElf_Half machine __attribute__ ((unused)),
      49             :             Ebl *eh,
      50             :             size_t ehlen)
      51             : {
      52             :   /* Check whether the Elf_BH object has a sufficent size.  */
      53          19 :   if (ehlen < sizeof (Ebl))
      54             :     return NULL;
      55             : 
      56             :   /* We handle it.  */
      57          19 :   riscv_init_reloc (eh);
      58          19 :   HOOK (eh, reloc_simple_type);
      59          19 :   HOOK (eh, register_info);
      60          19 :   HOOK (eh, abi_cfi);
      61          19 :   HOOK (eh, disasm);
      62             :   /* gcc/config/ #define DWARF_FRAME_REGISTERS.  */
      63          19 :   eh->frame_nregs = 66;
      64          19 :   HOOK (eh, check_special_symbol);
      65          19 :   HOOK (eh, machine_flag_check);
      66          19 :   HOOK (eh, set_initial_registers_tid);
      67          19 :   if (eh->class == ELFCLASS64)
      68          19 :     eh->core_note = riscv64_core_note;
      69             :   else
      70           0 :     HOOK (eh, core_note);
      71          19 :   if (eh->class == ELFCLASS64
      72          19 :       && ((elf->state.elf64.ehdr->e_flags & EF_RISCV_FLOAT_ABI)
      73             :           == EF_RISCV_FLOAT_ABI_DOUBLE))
      74           5 :     eh->return_value_location = riscv_return_value_location_lp64d;
      75             : 
      76             :   return MODVERSION;
      77             : }