xref: /netbsd-src/external/gpl3/binutils/dist/include/coff/riscv64.h (revision cb63e24e8d6aae7ddac1859a9015f48b1d8bd90e)
1 /* RISC-V 64-bit COFF support for BFD.
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 Foundation,
18    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
19 
20 #ifndef COFF_RISCV64_H
21 #define COFF_RISCV64_H
22 
23 #define COFFRISCV64 1
24 
25 #define L_LNNO_SIZE 2
26 #define INCLUDE_COMDAT_FIELDS_IN_AUXENT
27 #include "coff/external.h"
28 
29 #define	RISCV64MAGIC	0x5064  /* From Microsoft specification. */
30 
31 #undef  BADMAG
32 #define BADMAG(x) ((x).f_magic != RISCV64MAGIC)
33 #define RISCV64         1                 /* Customize coffcode.h.  */
34 
35 #define IMAGE_NT_OPTIONAL_HDR64_MAGIC      0x20b
36 
37 #define OMAGIC          0404    /* Object files, eg as output.  */
38 #define ZMAGIC          IMAGE_NT_OPTIONAL_HDR64_MAGIC    /* Demand load format, eg normal ld output 0x10b.  */
39 #define STMAGIC		0401	/* Target shlib.  */
40 #define SHMAGIC		0443	/* Host   shlib.  */
41 
42 /* define some NT default values */
43 /*  #define NT_IMAGE_BASE        0x400000 moved to internal.h */
44 #define NT_SECTION_ALIGNMENT 0x1000
45 #define NT_FILE_ALIGNMENT    0x200
46 #define NT_DEF_RESERVE       0x100000
47 #define NT_DEF_COMMIT        0x1000
48 
49 /* We use the .rdata section to hold read only data.  */
50 #define _LIT	".rdata"
51 
52 /********************** RELOCATION DIRECTIVES **********************/
53 struct external_reloc
54 {
55   char r_vaddr[4];
56   char r_symndx[4];
57   char r_type[2];
58   char r_offset[4];
59 };
60 
61 #define RELOC struct external_reloc
62 #define RELSZ 14
63 
64 #endif /* COFF_RISCV64_H */
65