x86_64.h revision 1.1.1.7
1/* COFF information for AMD 64.
2   Copyright (C) 2006-2022 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#define L_LNNO_SIZE 2
24#define INCLUDE_COMDAT_FIELDS_IN_AUXENT
25
26#include "coff/external.h"
27
28#define COFF_PAGE_SIZE	0x1000
29
30#define AMD64MAGIC	0x8664
31
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
40
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)
46
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))
52
53#define IMAGE_NT_OPTIONAL_HDR64_MAGIC      0x20b
54
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.  */
59
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
66
67/* Relocation directives.  */
68
69struct external_reloc
70{
71  char r_vaddr[4];
72  char r_symndx[4];
73  char r_type[2];
74};
75
76#define RELOC struct external_reloc
77#define RELSZ 10
78
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.  */
95
96/* i386 Relocations.  */
97
98#define R_DIR32		 6
99#define R_IMAGEBASE	 7
100#define R_SECTION	10
101#define R_SECREL32	11
102#define R_RELBYTE	15
103#define R_RELWORD	16
104#define R_RELLONG	17
105#define R_PCRBYTE	18
106#define R_PCRWORD	19
107#define R_PCRLONG	20
108