mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-24 07:31:32 +00:00
130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
/* ARM COFF support for BFD.
|
|
Copyright (C) 1998-2017 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"
|