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