/* ARM COFF support for BFD.
  Copyright (C) 1998-2024 Free Software Foundation, Inc.

  This file is part of BFD, the Binary File Descriptor library.

  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 COFFARM 1

#define L_LNNO_SIZE 2
#define INCLUDE_COMDAT_FIELDS_IN_AUXENT
#include "coff/external.h"

/* 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_INTERWORK     file supports switching between ARM and Thumb instruction sets
       F_INTERWORK_SET the F_INTERWORK bit is valid
       F_APCS_FLOAT    code passes float arguments in float registers
       F_PIC           code is reentrant/position-independent
       F_AR32WR        file has byte ordering of an AR32WR machine (e.g. vax)
       F_APCS_26       file uses 26 bit ARM Procedure Calling Standard
       F_APCS_SET      the F_APCS_26, F_APCS_FLOAT and F_PIC bits have been initialised
       F_SOFT_FLOAT    code does not use floating point instructions.  */

#define F_RELFLG        (0x0001)
#define F_EXEC          (0x0002)
#define F_LNNO          (0x0004)
#define F_LSYMS         (0x0008)
#define F_INTERWORK     (0x0010)
#define F_INTERWORK_SET (0x0020)
#define F_APCS_FLOAT    (0x0040)
#undef  F_AR16WR
#define F_PIC           (0x0080)
#define F_AR32WR        (0x0100)
#define F_APCS_26       (0x0400)
#define F_APCS_SET      (0x0800)
#define F_SOFT_FLOAT    (0x2000)
#define F_VFP_FLOAT     (0x4000)

/* Bits stored in flags field of the internal_f structure */

#define F_INTERWORK     (0x0010)
#define F_APCS_FLOAT    (0x0040)
#define F_PIC           (0x0080)
#define F_APCS26        (0x1000)
#define F_ARM_ARCHITECTURE_MASK (0x4000+0x0800+0x0400)
#define F_ARM_2         (0x0400)
#define F_ARM_2a        (0x0800)
#define F_ARM_3         (0x0c00)
#define F_ARM_3M        (0x4000)
#define F_ARM_4         (0x4400)
#define F_ARM_4T        (0x4800)
#define F_ARM_5         (0x4c00)

/*
 ARMMAGIC ought to encoded the procesor type,
 but it is too late to change it now, instead
 the flags field of the internal_f structure
 is used as shown above.

 XXX - NC 5/6/97.  */

#define ARMMAGIC        0xa00  /* I just made this up */

#define ARMBADMAG(x) (((x).f_magic != ARMMAGIC))

#define ARMPEMAGIC      0x1c0
#define THUMBPEMAGIC    0x1c2
#define ARMV7PEMAGIC    0x1c4

#undef  ARMBADMAG
#define ARMBADMAG(x) (((x).f_magic != ARMMAGIC) && ((x).f_magic != ARMPEMAGIC) && ((x).f_magic != THUMBPEMAGIC) && ((x).f_magic != ARMV7PEMAGIC))

#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

/* We use the .rdata section to hold read only data.  */
#define _LIT    ".rdata"

/********************** RELOCATION DIRECTIVES **********************/
#ifdef ARM_WINCE
struct external_reloc
{
 char r_vaddr[4];
 char r_symndx[4];
 char r_type[2];
};

#define RELOC struct external_reloc
#define RELSZ 10

#else
struct external_reloc
{
 char r_vaddr[4];
 char r_symndx[4];
 char r_type[2];
 char r_offset[4];
};

#define RELOC struct external_reloc
#define RELSZ 14
#endif

#define ARM_NOTE_SECTION ".note"