1*fae548d3Szrj /* coff information for Intel 386/486. 2*fae548d3Szrj 3*fae548d3Szrj Copyright (C) 2001-2020 Free Software Foundation, Inc. 4*fae548d3Szrj 5*fae548d3Szrj This program is free software; you can redistribute it and/or modify 6*fae548d3Szrj it under the terms of the GNU General Public License as published by 7*fae548d3Szrj the Free Software Foundation; either version 3 of the License, or 8*fae548d3Szrj (at your option) any later version. 9*fae548d3Szrj 10*fae548d3Szrj This program is distributed in the hope that it will be useful, 11*fae548d3Szrj but WITHOUT ANY WARRANTY; without even the implied warranty of 12*fae548d3Szrj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13*fae548d3Szrj GNU General Public License for more details. 14*fae548d3Szrj 15*fae548d3Szrj You should have received a copy of the GNU General Public License 16*fae548d3Szrj along with this program; if not, write to the Free Software 17*fae548d3Szrj Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 18*fae548d3Szrj MA 02110-1301, USA. */ 19*fae548d3Szrj 20*fae548d3Szrj #define L_LNNO_SIZE 2 21*fae548d3Szrj #define INCLUDE_COMDAT_FIELDS_IN_AUXENT 22*fae548d3Szrj #include "coff/external.h" 23*fae548d3Szrj 24*fae548d3Szrj #define COFF_PAGE_SIZE 0x1000 25*fae548d3Szrj 26*fae548d3Szrj /* Bits for f_flags: 27*fae548d3Szrj F_RELFLG Relocation info stripped from file 28*fae548d3Szrj F_EXEC File is executable (no unresolved external references) 29*fae548d3Szrj F_LNNO Line numbers stripped from file 30*fae548d3Szrj F_LSYMS Local symbols stripped from file 31*fae548d3Szrj F_AR32WR File has byte ordering of an AR32WR machine (e.g. vax). */ 32*fae548d3Szrj 33*fae548d3Szrj #define F_RELFLG (0x0001) 34*fae548d3Szrj #define F_EXEC (0x0002) 35*fae548d3Szrj #define F_LNNO (0x0004) 36*fae548d3Szrj #define F_LSYMS (0x0008) 37*fae548d3Szrj 38*fae548d3Szrj #define I386MAGIC 0x14c 39*fae548d3Szrj #define I386PTXMAGIC 0x154 40*fae548d3Szrj #define I386AIXMAGIC 0x175 41*fae548d3Szrj 42*fae548d3Szrj /* This is Lynx's all-platform magic number for executables. */ 43*fae548d3Szrj 44*fae548d3Szrj #define LYNXCOFFMAGIC 0415 45*fae548d3Szrj 46*fae548d3Szrj /* .NET DLLs XOR the Machine number (above) with an override to 47*fae548d3Szrj indicate that the DLL contains OS-specific machine code rather 48*fae548d3Szrj than just IL or bytecode. See 49*fae548d3Szrj https://github.com/dotnet/coreclr/blob/6f7aa7967c607b8c667518314ab937c0d7547025/src/inc/pedecoder.h#L94-L107. */ 50*fae548d3Szrj #define IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE 0x4644 51*fae548d3Szrj #define IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE 0xadc4 52*fae548d3Szrj #define IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE 0x7b79 53*fae548d3Szrj #define IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE 0x1993 54*fae548d3Szrj 55*fae548d3Szrj /* Used in some .NET DLLs that target a specific OS. */ 56*fae548d3Szrj #define I386_APPLE_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE) 57*fae548d3Szrj #define I386_FREEBSD_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE) 58*fae548d3Szrj #define I386_LINUX_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE) 59*fae548d3Szrj #define I386_NETBSD_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE) 60*fae548d3Szrj 61*fae548d3Szrj #define I386BADMAG(x) ( ((x).f_magic != I386MAGIC) \ 62*fae548d3Szrj && (x).f_magic != I386_APPLE_MAGIC \ 63*fae548d3Szrj && (x).f_magic != I386_FREEBSD_MAGIC \ 64*fae548d3Szrj && (x).f_magic != I386_LINUX_MAGIC \ 65*fae548d3Szrj && (x).f_magic != I386_NETBSD_MAGIC \ 66*fae548d3Szrj && (x).f_magic != I386AIXMAGIC \ 67*fae548d3Szrj && (x).f_magic != I386PTXMAGIC \ 68*fae548d3Szrj && (x).f_magic != LYNXCOFFMAGIC) 69*fae548d3Szrj 70*fae548d3Szrj #define OMAGIC 0404 /* Object files, eg as output. */ 71*fae548d3Szrj #define ZMAGIC 0413 /* Demand load format, eg normal ld output. */ 72*fae548d3Szrj #define STMAGIC 0401 /* Target shlib. */ 73*fae548d3Szrj #define SHMAGIC 0443 /* Host shlib. */ 74*fae548d3Szrj 75*fae548d3Szrj /* Define some NT default values. */ 76*fae548d3Szrj /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ 77*fae548d3Szrj #define NT_SECTION_ALIGNMENT 0x1000 78*fae548d3Szrj #define NT_FILE_ALIGNMENT 0x200 79*fae548d3Szrj #define NT_DEF_RESERVE 0x100000 80*fae548d3Szrj #define NT_DEF_COMMIT 0x1000 81*fae548d3Szrj 82*fae548d3Szrj /* Relocation directives. */ 83*fae548d3Szrj 84*fae548d3Szrj struct external_reloc 85*fae548d3Szrj { 86*fae548d3Szrj char r_vaddr[4]; 87*fae548d3Szrj char r_symndx[4]; 88*fae548d3Szrj char r_type[2]; 89*fae548d3Szrj }; 90*fae548d3Szrj 91*fae548d3Szrj #define RELOC struct external_reloc 92*fae548d3Szrj #define RELSZ 10 93*fae548d3Szrj 94