diff options
Diffstat (limited to 'include/coff/mcore.h')
| -rw-r--r-- | include/coff/mcore.h | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/include/coff/mcore.h b/include/coff/mcore.h new file mode 100644 index 000000000..974b62e16 --- /dev/null +++ b/include/coff/mcore.h @@ -0,0 +1,245 @@ +/* Motorolla 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 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 */ |