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 Ebl *
riscv_init(Elf * elf,GElf_Half machine,Ebl * eh)47 riscv_init (Elf *elf,
48 GElf_Half machine __attribute__ ((unused)),
49 Ebl *eh)
50 {
51 /* We handle it. */
52 riscv_init_reloc (eh);
53 HOOK (eh, reloc_simple_type);
54 HOOK (eh, register_info);
55 HOOK (eh, abi_cfi);
56 HOOK (eh, disasm);
57 /* gcc/config/ #define DWARF_FRAME_REGISTERS. */
58 eh->frame_nregs = 66;
59 HOOK (eh, check_special_symbol);
60 HOOK (eh, machine_flag_check);
61 HOOK (eh, set_initial_registers_tid);
62 if (eh->class == ELFCLASS64)
63 eh->core_note = riscv64_core_note;
64 else
65 HOOK (eh, core_note);
66 if (eh->class == ELFCLASS64
67 && ((elf->state.elf64.ehdr->e_flags & EF_RISCV_FLOAT_ABI)
68 == EF_RISCV_FLOAT_ABI_DOUBLE))
69 eh->return_value_location = riscv_return_value_location_lp64d;
70
71 return eh;
72 }
73