1 /* BFD back-end for RISC-V 64-bit COFF files.
2 Copyright (C) 2023-2024 Free Software Foundation, Inc.
3
4 This file is part of BFD, the Binary File Descriptor library.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
20
21 #include "sysdep.h"
22 #include "bfd.h"
23 #include "libbfd.h"
24 #include "coff/riscv64.h"
25 #include "coff/internal.h"
26 #include "coff/pe.h"
27 #include "libcoff.h"
28 #include "libiberty.h"
29
30 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER 2
31
32 #ifndef bfd_pe_print_pdata
33 #define bfd_pe_print_pdata NULL
34 #endif
35
36 #define RTYPE2HOWTO(cache_ptr, dst) \
37 (cache_ptr)->howto = NULL
38
39 /* Return TRUE if this relocation should
40 appear in the output .reloc section. */
41
42 static bool
in_reloc_p(bfd * abfd ATTRIBUTE_UNUSED,reloc_howto_type * howto)43 in_reloc_p (bfd *abfd ATTRIBUTE_UNUSED,
44 reloc_howto_type *howto)
45 {
46 return !howto->pc_relative;
47 }
48
49 #include "coffcode.h"
50
51 /* Target vectors. */
52 const bfd_target
53 #ifdef TARGET_SYM
54 TARGET_SYM =
55 #else
56 riscv64_coff_vec =
57 #endif
58 {
59 #ifdef TARGET_NAME
60 TARGET_NAME,
61 #else
62 "coff-riscv64-little", /* Name. */
63 #endif
64 bfd_target_coff_flavour,
65 BFD_ENDIAN_LITTLE, /* Data byte order is little. */
66 BFD_ENDIAN_LITTLE, /* Header byte order is little. */
67
68 (HAS_RELOC | EXEC_P /* Object flags. */
69 | HAS_LINENO | HAS_DEBUG
70 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
71
72 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* Section flags. */
73 #if defined(COFF_WITH_PE)
74 | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
75 #endif
76 | SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
77
78 #ifdef TARGET_UNDERSCORE
79 TARGET_UNDERSCORE, /* Leading underscore. */
80 #else
81 0, /* Leading underscore. */
82 #endif
83 '/', /* Ar_pad_char. */
84 15, /* Ar_max_namelen. */
85 0, /* match priority. */
86 TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */
87
88 /* Data conversion functions. */
89 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
90 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
91 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Data. */
92 /* Header conversion functions. */
93 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
94 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
95 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Hdrs. */
96
97 /* Note that we allow an object file to be treated as a core file as well. */
98 { /* bfd_check_format. */
99 _bfd_dummy_target,
100 coff_object_p,
101 bfd_generic_archive_p,
102 coff_object_p
103 },
104 { /* bfd_set_format. */
105 _bfd_bool_bfd_false_error,
106 coff_mkobject,
107 _bfd_generic_mkarchive,
108 _bfd_bool_bfd_false_error
109 },
110 { /* bfd_write_contents. */
111 _bfd_bool_bfd_false_error,
112 coff_write_object_contents,
113 _bfd_write_archive_contents,
114 _bfd_bool_bfd_false_error
115 },
116
117 BFD_JUMP_TABLE_GENERIC (coff),
118 BFD_JUMP_TABLE_COPY (coff),
119 BFD_JUMP_TABLE_CORE (_bfd_nocore),
120 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
121 BFD_JUMP_TABLE_SYMBOLS (coff),
122 BFD_JUMP_TABLE_RELOCS (coff),
123 BFD_JUMP_TABLE_WRITE (coff),
124 BFD_JUMP_TABLE_LINK (coff),
125 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
126
127 NULL,
128
129 COFF_SWAP_TABLE
130 };
131