xref: /netbsd-src/external/gpl3/binutils/dist/include/coff/x86_64.h (revision cb63e24e8d6aae7ddac1859a9015f48b1d8bd90e)
1 /* COFF information for AMD 64.
2    Copyright (C) 2006-2024 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    Written by Kai Tietz, OneVision Software GmbH&CoKg.  */
22 
23 #ifndef COFF_X86_64_H
24 #define COFF_X86_64_H
25 
26 #define L_LNNO_SIZE 2
27 #define INCLUDE_COMDAT_FIELDS_IN_AUXENT
28 
29 #include "coff/external.h"
30 
31 #define COFF_PAGE_SIZE	0x1000
32 
33 #define AMD64MAGIC	0x8664
34 
35 /* .NET DLLs XOR the Machine number (above) with an override to
36     indicate that the DLL contains OS-specific machine code rather
37     than just IL or bytecode. See
38     https://github.com/dotnet/coreclr/blob/6f7aa7967c607b8c667518314ab937c0d7547025/src/inc/pedecoder.h#L94-L107. */
39 #define IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE   0x4644
40 #define IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE 0xadc4
41 #define IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE   0x7b79
42 #define IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE  0x1993
43 
44 /* Used in some .NET DLLs that target a specific OS.  */
45 #define AMD64_APPLE_MAGIC   (AMD64MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE)
46 #define AMD64_FREEBSD_MAGIC (AMD64MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE)
47 #define AMD64_LINUX_MAGIC   (AMD64MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE)
48 #define AMD64_NETBSD_MAGIC  (AMD64MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE)
49 
50 #define AMD64BADMAG(x) (   ((x).f_magic != AMD64MAGIC) \
51                         && ((x).f_magic != AMD64_APPLE_MAGIC) \
52                         && ((x).f_magic != AMD64_FREEBSD_MAGIC) \
53                         && ((x).f_magic != AMD64_LINUX_MAGIC) \
54                         && ((x).f_magic != AMD64_NETBSD_MAGIC))
55 
56 #define IMAGE_NT_OPTIONAL_HDR64_MAGIC      0x20b
57 
58 #define OMAGIC          0404    /* Object files, eg as output.  */
59 #define ZMAGIC          IMAGE_NT_OPTIONAL_HDR64_MAGIC    /* Demand load format, eg normal ld output 0x10b.  */
60 #define STMAGIC		0401	/* Target shlib.  */
61 #define SHMAGIC		0443	/* Host   shlib.  */
62 
63 /* Define some NT default values.  */
64 /*  #define NT_IMAGE_BASE        0x400000 moved to internal.h.  */
65 #define NT_SECTION_ALIGNMENT 0x1000
66 #define NT_FILE_ALIGNMENT    0x200
67 #define NT_DEF_RESERVE       0x100000
68 #define NT_DEF_COMMIT        0x1000
69 
70 /* Relocation directives.  */
71 
72 struct external_reloc
73 {
74   char r_vaddr[4];
75   char r_symndx[4];
76   char r_type[2];
77 };
78 
79 #define RELOC struct external_reloc
80 #define RELSZ 10
81 
82 /* X86-64 relocations.  */
83 #define R_AMD64_ABS 		 0 /* Reference is absolute, no relocation is necessary.  */
84 #define R_AMD64_DIR64		 1 /* 64-bit address (VA).  */
85 #define R_AMD64_DIR32		 2 /* 32-bit address (VA) R_DIR32.  */
86 #define R_AMD64_IMAGEBASE	 3 /* 32-bit absolute ref w/o base R_IMAGEBASE.  */
87 #define R_AMD64_PCRLONG		 4 /* 32-bit relative address from byte following reloc R_PCRLONG.  */
88 #define R_AMD64_PCRLONG_1	 5 /* 32-bit relative address from byte distance 1 from reloc.  */
89 #define R_AMD64_PCRLONG_2	 6 /* 32-bit relative address from byte distance 2 from reloc.  */
90 #define R_AMD64_PCRLONG_3	 7 /* 32-bit relative address from byte distance 3 from reloc.  */
91 #define R_AMD64_PCRLONG_4	 8 /* 32-bit relative address from byte distance 4 from reloc.  */
92 #define R_AMD64_PCRLONG_5	 9 /* 32-bit relative address from byte distance 5 from reloc.  */
93 #define R_AMD64_SECTION		10 /* Section index.  */
94 #define R_AMD64_SECREL		11 /* 32 bit offset from base of section containing target R_SECREL.  */
95 #define R_AMD64_SECREL7		12 /* 7 bit unsigned offset from base of section containing target.  */
96 #define R_AMD64_TOKEN		13 /* 32 bit metadata token.  */
97 #define R_AMD64_PCRQUAD		14 /* Pseude PC64 relocation - Note: not specified by MS/AMD but need for gas pc-relative 64bit wide relocation generated by ELF.  */
98 
99 /* i386 Relocations.  */
100 
101 #define R_DIR32		 6
102 #define R_IMAGEBASE	 7
103 #define R_SECTION	10
104 #define R_SECREL32	11
105 #define R_RELBYTE	15
106 #define R_RELWORD	16
107 #define R_RELLONG	17
108 #define R_PCRBYTE	18
109 #define R_PCRWORD	19
110 #define R_PCRLONG	20
111 
112 #endif /* COFF_X86_64_H */
113