include/coff/x86_64.h

   1 /* COFF information for AMD 64.
   2    Copyright (C) 2006-2021 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
  69 struct 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