Branch data 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 (return_value_location))
45 : : riscv_return_value_location_lp64f attribute_hidden;
46 : :
47 : : extern __typeof (EBLHOOK (return_value_location))
48 : : riscv_return_value_location_lp64 attribute_hidden;
49 : :
50 : : extern __typeof (EBLHOOK (core_note)) riscv64_core_note attribute_hidden;
51 : :
52 : : Ebl *
53 : 32 : riscv_init (Elf *elf,
54 : : GElf_Half machine __attribute__ ((unused)),
55 : : Ebl *eh)
56 : : {
57 : : /* We handle it. */
58 : 32 : riscv_init_reloc (eh);
59 : 32 : HOOK (eh, reloc_simple_type);
60 : 32 : HOOK (eh, register_info);
61 : 32 : HOOK (eh, abi_cfi);
62 : 32 : HOOK (eh, disasm);
63 : : /* gcc/config/ #define DWARF_FRAME_REGISTERS. */
64 : 32 : eh->frame_nregs = 66;
65 : 32 : HOOK (eh, check_special_symbol);
66 : 32 : HOOK (eh, machine_flag_check);
67 : 32 : HOOK (eh, set_initial_registers_tid);
68 : 32 : HOOK (eh, segment_type_name);
69 : 32 : HOOK (eh, section_type_name);
70 : 32 : HOOK (eh, dynamic_tag_name);
71 : 32 : HOOK (eh, dynamic_tag_check);
72 [ + - ]: 32 : if (eh->class == ELFCLASS64)
73 : 32 : eh->core_note = riscv64_core_note;
74 : : else
75 : 0 : HOOK (eh, core_note);
76 [ + - ]: 32 : if (eh->class == ELFCLASS64)
77 : : {
78 [ + + ]: 32 : if ((elf->state.elf64.ehdr->e_flags & EF_RISCV_FLOAT_ABI)
79 : : == EF_RISCV_FLOAT_ABI_DOUBLE)
80 : 12 : eh->return_value_location = riscv_return_value_location_lp64d;
81 [ - + ]: 20 : else if ((elf->state.elf64.ehdr->e_flags & EF_RISCV_FLOAT_ABI)
82 : : == EF_RISCV_FLOAT_ABI_SINGLE)
83 : 0 : eh->return_value_location = riscv_return_value_location_lp64f;
84 : : else
85 : 20 : eh->return_value_location = riscv_return_value_location_lp64;
86 : : }
87 : :
88 : 32 : return eh;
89 : : }
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