/* 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 */