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
41extern __typeof (EBLHOOK (return_value_location))
42  riscv_return_value_location_lp64d attribute_hidden;
43
44extern __typeof (EBLHOOK (return_value_location))
45    riscv_return_value_location_lp64f attribute_hidden;
46
47extern __typeof (EBLHOOK (return_value_location))
48    riscv_return_value_location_lp64 attribute_hidden;
49
50extern __typeof (EBLHOOK (core_note)) riscv64_core_note attribute_hidden;
51
52Ebl *
53riscv_init (Elf *elf,
54	    GElf_Half machine __attribute__ ((unused)),
55	    Ebl *eh)
56{
57  /* We handle it.  */
58  riscv_init_reloc (eh);
59  HOOK (eh, reloc_simple_type);
60  HOOK (eh, register_info);
61  HOOK (eh, abi_cfi);
62  HOOK (eh, disasm);
63  /* gcc/config/ #define DWARF_FRAME_REGISTERS.  */
64  eh->frame_nregs = 66;
65  HOOK (eh, check_special_symbol);
66  HOOK (eh, machine_flag_check);
67  HOOK (eh, set_initial_registers_tid);
68  HOOK (eh, segment_type_name);
69  HOOK (eh, section_type_name);
70  HOOK (eh, dynamic_tag_name);
71  HOOK (eh, dynamic_tag_check);
72  if (eh->class == ELFCLASS64)
73    eh->core_note = riscv64_core_note;
74  else
75    HOOK (eh, core_note);
76  if (eh->class == ELFCLASS64)
77    {
78      if ((elf->state.elf64.ehdr->e_flags & EF_RISCV_FLOAT_ABI)
79          == EF_RISCV_FLOAT_ABI_DOUBLE)
80        eh->return_value_location = riscv_return_value_location_lp64d;
81      else if ((elf->state.elf64.ehdr->e_flags & EF_RISCV_FLOAT_ABI)
82               == EF_RISCV_FLOAT_ABI_SINGLE)
83        eh->return_value_location = riscv_return_value_location_lp64f;
84      else
85        eh->return_value_location = riscv_return_value_location_lp64;
86    }
87
88  return eh;
89}
90