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/* coff information for Intel 386/486.
Copyright (C) 2001-2022 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#define L_LNNO_SIZE 2
#define INCLUDE_COMDAT_FIELDS_IN_AUXENT
#include "coff/external.h"
#define COFF_PAGE_SIZE 0x1000
/* Bits for f_flags:
F_RELFLG Relocation info stripped from file
F_EXEC File is executable (no unresolved external references)
F_LNNO Line numbers stripped from file
F_LSYMS Local symbols stripped from file
F_AR32WR File has byte ordering of an AR32WR machine (e.g. vax). */
#define F_RELFLG (0x0001)
#define F_EXEC (0x0002)
#define F_LNNO (0x0004)
#define F_LSYMS (0x0008)
#define I386MAGIC 0x14c
#define I386PTXMAGIC 0x154
#define I386AIXMAGIC 0x175
/* This is Lynx's all-platform magic number for executables. */
#define LYNXCOFFMAGIC 0415
/* .NET DLLs XOR the Machine number (above) with an override to
indicate that the DLL contains OS-specific machine code rather
than just IL or bytecode. See
https://github.com/dotnet/coreclr/blob/6f7aa7967c607b8c667518314ab937c0d7547025/src/inc/pedecoder.h#L94-L107. */
#define IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE 0x4644
#define IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE 0xadc4
#define IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE 0x7b79
#define IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE 0x1993
/* Used in some .NET DLLs that target a specific OS. */
#define I386_APPLE_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE)
#define I386_FREEBSD_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE)
#define I386_LINUX_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE)
#define I386_NETBSD_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE)
#define I386BADMAG(x) ( ((x).f_magic != I386MAGIC) \
&& (x).f_magic != I386_APPLE_MAGIC \
&& (x).f_magic != I386_FREEBSD_MAGIC \
&& (x).f_magic != I386_LINUX_MAGIC \
&& (x).f_magic != I386_NETBSD_MAGIC \
&& (x).f_magic != I386AIXMAGIC \
&& (x).f_magic != I386PTXMAGIC \
&& (x).f_magic != LYNXCOFFMAGIC)
#define OMAGIC 0404 /* Object files, eg as output. */
#define ZMAGIC 0413 /* Demand load format, eg normal ld output. */
#define STMAGIC 0401 /* Target shlib. */
#define SHMAGIC 0443 /* Host shlib. */
/* Define some NT default values. */
/* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
#define NT_SECTION_ALIGNMENT 0x1000
#define NT_FILE_ALIGNMENT 0x200
#define NT_DEF_RESERVE 0x100000
#define NT_DEF_COMMIT 0x1000
/* Relocation directives. */
struct external_reloc
{
char r_vaddr[4];
char r_symndx[4];
char r_type[2];
};
#define RELOC struct external_reloc
#define RELSZ 10
/* i386 Relocations. */
#define R_DIR32 6
#define R_IMAGEBASE 7
#define R_SECTION 10
#define R_SECREL32 11
#define R_RELBYTE 15
#define R_RELWORD 16
#define R_RELLONG 17
#define R_PCRBYTE 18
#define R_PCRWORD 19
#define R_PCRLONG 20
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