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/* Motorola MCore support for BFD.
Copyright (C) 1999 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This file holds definitions specific to the MCore COFF/PE ABI. */
#ifndef _COFF_MORE_H
#define _COFF_MORE_H
#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
#define IMAGE_REL_MCORE_ABSOLUTE 0x0000
#define IMAGE_REL_MCORE_ADDR32 0x0001
#define IMAGE_REL_MCORE_PCREL_IMM8BY4 0x0002
#define IMAGE_REL_MCORE_PCREL_IMM11BY2 0x0003
#define IMAGE_REL_MCORE_PCREL_IMM4BY2 0x0004
#define IMAGE_REL_MCORE_PCREL_32 0x0005
#define IMAGE_REL_MCORE_PCREL_JSR_IMM11BY2 0x0006
#define IMAGE_REL_MCORE_RVA 0x0007
#define PEMCORE
typedef struct
{
char magic [2]; /* type of file */
char vstamp [2]; /* version stamp */
char tsize [4]; /* text size in bytes, padded to FW bdry*/
char dsize [4]; /* initialized data " " */
char bsize [4]; /* uninitialized data " " */
char entry [4]; /* entry pt. */
char text_start [4]; /* base of text used for this file */
char data_start [4]; /* base of data used for this file */
}
AOUTHDR;
#define AOUTSZ 28
#define AOUTHDRSZ 28
#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 */
/* From winnt.h */
#define IMAGE_NT_OPTIONAL_HDR_MAGIC 0x10b
/* Define some NT default values. */
#define NT_SECTION_ALIGNMENT 0x1000
#define NT_FILE_ALIGNMENT 0x200
#define NT_DEF_RESERVE 0x100000
#define NT_DEF_COMMIT 0x1000
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
#define MCOREMAGIC 0xb00 /* I just made this up */
#define MCOREBADMAG(x) (((x).f_magic!= MCOREMAGIC))
struct external_filehdr
{
char f_magic [2]; /* magic number */
char f_nscns [2]; /* number of sections */
char f_timdat [4]; /* time & date stamp */
char f_symptr [4]; /* file pointer to symtab */
char f_nsyms [4]; /* number of symtab entries */
char f_opthdr [2]; /* sizeof(optional hdr) */
char f_flags [2]; /* flags */
};
#define FILHDR struct external_filehdr
#define FILHSZ 20
#define E_SYMNMLEN 8 /* # characters in a symbol name */
#define E_FILNMLEN 14 /* # characters in a file name */
#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */
struct external_syment
{
union
{
char e_name [E_SYMNMLEN];
struct
{
char e_zeroes [4];
char e_offset [4];
} e;
} e;
char e_value [4];
char e_scnum [2];
char e_type [2];
char e_sclass [1];
char e_numaux [1];
};
#define N_BTMASK 0xf
#define N_TMASK 0x30
#define N_BTSHFT 4
#define N_TSHIFT 2
union external_auxent
{
struct
{
char x_tagndx [4]; /* str, un, or enum tag indx */
union
{
struct
{
char x_lnno [2]; /* declaration line number */
char x_size [2]; /* str/union/array size */
} x_lnsz;
char x_fsize [4]; /* size of function */
} x_misc;
union
{
struct /* if ISFCN, tag, or .bb */
{
char x_lnnoptr [4]; /* ptr to fcn line # */
char x_endndx [4]; /* entry ndx past block end */
} x_fcn;
struct /* if ISARY, up to 4 dimen. */
{
char x_dimen [E_DIMNUM][2];
} x_ary;
} x_fcnary;
char x_tvndx [2]; /* tv index */
} x_sym;
union
{
char x_fname [E_FILNMLEN];
struct
{
char x_zeroes [4];
char x_offset [4];
} x_n;
} x_file;
struct
{
char x_scnlen [4]; /* section length */
char x_nreloc [2]; /* # relocation entries */
char x_nlinno [2]; /* # line numbers */
char x_checksum [4]; /* section COMDAT checksum */
char x_associated [2]; /* COMDAT associated section index */
char x_comdat [1]; /* COMDAT selection number */
} x_scn;
struct
{
char x_tvfill [4]; /* tv fill value */
char x_tvlen [2]; /* length of .tv */
char x_tvran [2][2]; /* tv range */
} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
};
#define SYMENT struct external_syment
#define SYMESZ 18
#define AUXENT union external_auxent
#define AUXESZ 18
/* 1 line number entry for every "breakpointable" source line in a section.
Line numbers are grouped on a per function basis; first entry in a function
grouping will have l_lnno = 0 and in place of physical address will be the
symbol table index of the function name. */
struct external_lineno
{
union
{
char l_symndx [4]; /* function name symbol index, iff l_lnno == 0*/
char l_paddr [4]; /* (physical) address of line number */
} l_addr;
char l_lnno [2]; /* line number */
};
#define LINENO struct external_lineno
#define LINESZ 6
#define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32 (abfd, (bfd_byte *) (ext->l_lnno));
#define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32 (abfd, val, (bfd_byte *) (ext->l_lnno));
struct external_scnhdr
{
char s_name [8]; /* section name */
char s_paddr [4]; /* physical address, aliased s_nlib */
char s_vaddr [4]; /* virtual address */
char s_size [4]; /* section size */
char s_scnptr [4]; /* file ptr to raw data for section */
char s_relptr [4]; /* file ptr to relocation */
char s_lnnoptr [4]; /* file ptr to line numbers */
char s_nreloc [2]; /* number of relocation entries */
char s_nlnno [2]; /* number of line number entries*/
char s_flags [4]; /* flags */
};
#define SCNHDR struct external_scnhdr
#define SCNHSZ 40
/* Names of "special" sections. */
#define _TEXT ".text"
#define _DATA ".data"
#define _BSS ".bss"
#endif /* __COFF_MCORE_H */
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