1 /* COFF information for AMD 64.
2 Copyright (C) 2006-2022 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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,
21 Written by Kai Tietz, OneVision Software GmbH&CoKg. */
24 #define INCLUDE_COMDAT_FIELDS_IN_AUXENT
26 #include "coff/external.h"
28 #define COFF_PAGE_SIZE 0x1000
30 #define AMD64MAGIC 0x8664
32 /* .NET DLLs XOR the Machine number (above) with an override to
33 indicate that the DLL contains OS-specific machine code rather
34 than just IL or bytecode. See
35 https://github.com/dotnet/coreclr/blob/6f7aa7967c607b8c667518314ab937c0d7547025/src/inc/pedecoder.h#L94-L107. */
36 #define IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE 0x4644
37 #define IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE 0xadc4
38 #define IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE 0x7b79
39 #define IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE 0x1993
41 /* Used in some .NET DLLs that target a specific OS. */
42 #define AMD64_APPLE_MAGIC (AMD64MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE)
43 #define AMD64_FREEBSD_MAGIC (AMD64MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE)
44 #define AMD64_LINUX_MAGIC (AMD64MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE)
45 #define AMD64_NETBSD_MAGIC (AMD64MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE)
47 #define AMD64BADMAG(x) ( ((x).f_magic != AMD64MAGIC) \
48 && ((x).f_magic != AMD64_APPLE_MAGIC) \
49 && ((x).f_magic != AMD64_FREEBSD_MAGIC) \
50 && ((x).f_magic != AMD64_LINUX_MAGIC) \
51 && ((x).f_magic != AMD64_NETBSD_MAGIC))
53 #define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
55 #define OMAGIC 0404 /* Object files, eg as output. */
56 #define ZMAGIC IMAGE_NT_OPTIONAL_HDR64_MAGIC /* Demand load format, eg normal ld output 0x10b. */
57 #define STMAGIC 0401 /* Target shlib. */
58 #define SHMAGIC 0443 /* Host shlib. */
60 /* Define some NT default values. */
61 /* #define NT_IMAGE_BASE 0x400000 moved to internal.h. */
62 #define NT_SECTION_ALIGNMENT 0x1000
63 #define NT_FILE_ALIGNMENT 0x200
64 #define NT_DEF_RESERVE 0x100000
65 #define NT_DEF_COMMIT 0x1000
67 /* Relocation directives. */
76 #define RELOC struct external_reloc
79 /* X86-64 relocations. */
80 #define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */
81 #define R_AMD64_DIR64 1 /* 64-bit address (VA). */
82 #define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */
83 #define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */
84 #define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */
85 #define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */
86 #define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */
87 #define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */
88 #define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */
89 #define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */
90 #define R_AMD64_SECTION 10 /* Section index. */
91 #define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */
92 #define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */
93 #define R_AMD64_TOKEN 13 /* 32 bit metadata token. */
94 #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. */
96 /* i386 Relocations. */
101 #define R_SECREL32 11