257df7914d
dot_bss_symbol): Don't define if BFD_ASSEMBLER. (obj_symbol_to_chars): bfd_coff_swap_aux_out now takes more arguments. (coff_line_base): Renamed from line_base. Changed all uses. (coff_add_linesym): Renamed from add_line_sym. Made non-static. Changed all uses. * config/obj-coff.h: If TC_PPC, include coff/rs6000.h. (S_SET_STORAGE_CLASS, S_GET_STORAGE_CLASS): Declare if BFD_ASSEMBLER. (coff_line_base): Declare. (coff_add_linesym): Declare if BFD_ASSEMBLER.
661 lines
23 KiB
C
661 lines
23 KiB
C
/* coff object file format
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Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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This file is part of GAS.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define OBJ_COFF 1
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#include "targ-cpu.h"
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#if defined (BFD_HEADERS) || defined (BFD_ASSEMBLER)
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/* This internal_lineno crap is to stop namespace pollution from the
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bfd internal coff headerfile. */
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#include "bfd.h"
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#define internal_lineno bfd_internal_lineno
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#include "coff/internal.h"
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#undef internal_lineno
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#ifdef BFD_ASSEMBLER
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#include "../bfd/libcoff.h"
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#endif
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#ifdef TC_A29K
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#include "coff/a29k.h"
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#define TARGET_FORMAT "coff-a29k-big"
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extern bfd *stdoutput;
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#endif /* TC_A29K */
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#ifdef TC_I960
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#include "coff/i960.h"
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#define TARGET_FORMAT "coff-i960-big"
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#endif
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#ifdef TC_I386
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# include "coff/i386.h"
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# define TARGET_FORMAT "coff-i386"
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extern bfd *stdoutput;
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#endif /* TC_I386 */
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#ifdef TC_M68K
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# include "coff/m68k.h"
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# define TARGET_FORMAT "coff-m68k"
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#endif /* TC_M68K */
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#ifdef TC_PPC
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#include "coff/rs6000.h"
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#endif
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#ifdef TC_SPARC
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#include "coff/sparc.h"
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#ifdef TE_LYNX
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#define TARGET_FORMAT "coff-sparc-lynx"
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#else
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#define TARGET_FORMAT "coff-sparc"
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#endif
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#endif
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#else /* not BFD_HEADERS */
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#include "coff_gnu.h"
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#endif /* not BFD_HEADERS */
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#ifndef BFD_ASSEMBLER
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/* Define some processor dependent values according to the processor
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we are on. */
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#ifdef TC_M68K
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#define BYTE_ORDERING F_AR32W /* See filehdr.h for more info. */
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#ifndef FILE_HEADER_MAGIC
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#define FILE_HEADER_MAGIC MC68MAGIC /* ... */
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#endif /* FILE_HEADER_MAGIC */
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#endif /* TC_M68K */
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#if defined(TC_I386)
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#define BYTE_ORDERING F_AR32WR /* See filehdr.h for more info. */
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#ifndef FILE_HEADER_MAGIC
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#define FILE_HEADER_MAGIC I386MAGIC /* ... */
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#endif /* FILE_HEADER_MAGIC */
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#endif /* TC_I386 */
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#if defined(TC_I960)
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#define BYTE_ORDERING F_AR32WR /* See filehdr.h for more info. */
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#ifndef FILE_HEADER_MAGIC
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#define FILE_HEADER_MAGIC I960ROMAGIC /* ... */
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#endif /* FILE_HEADER_MAGIC */
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#endif /* TC_I960 */
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#if defined(TC_A29K)
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#define BYTE_ORDERING F_AR32W /* big endian. */
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#ifndef FILE_HEADER_MAGIC
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#define FILE_HEADER_MAGIC SIPFBOMAGIC
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#endif /* FILE_HEADER_MAGIC */
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#endif /* TC_A29K */
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#ifndef OBJ_COFF_MAX_AUXENTRIES
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#define OBJ_COFF_MAX_AUXENTRIES 1
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#endif /* OBJ_COFF_MAX_AUXENTRIES */
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extern const short seg_N_TYPE[];
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extern const segT N_TYPE_seg[];
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/* Magic number of paged executable. */
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#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (FILE_HEADER_MAGIC)
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#ifndef BFD_HEADERS
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/* Add these definitions to have a consistent convention for all the
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types used in COFF format. */
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#define AOUTHDR struct aouthdr
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#define AOUTHDRSZ sizeof(AOUTHDR)
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#endif
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#endif /* not BFD_ASSEMBLER */
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/* SYMBOL TABLE */
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/* targets may also set this */
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#ifndef SYMBOLS_NEED_BACKPOINTERS
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#define SYMBOLS_NEED_BACKPOINTERS 1
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#endif /* SYMBOLS_NEED_BACKPOINTERS */
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#ifdef BFD_ASSEMBLER
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/* Alter the field names, for now, until we've fixed up the other
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references to use the new name. */
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#ifdef TC_I960
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#define TC_SYMFIELD_TYPE struct symbol *
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#define sy_tc bal
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#endif
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#define OBJ_SYMFIELD_TYPE unsigned long
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#define sy_obj sy_flags
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#ifndef OBJ_COFF_MAX_AUXENTRIES
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#define OBJ_COFF_MAX_AUXENTRIES 1
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#endif
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#else
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/* Symbol table entry data type */
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typedef struct
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{
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#ifdef BFD_HEADERS
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struct internal_syment ost_entry; /* Basic symbol */
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union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
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#else
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SYMENT ost_entry; /* Basic symbol */
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AUXENT ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
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#endif
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unsigned int ost_flags; /* obj_coff internal use only flags */
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}
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obj_symbol_type;
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#endif /* ! BFD_ASSEMBLER */
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#ifdef BFD_ASSEMBLER
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#define SYM_AUXENT(S) (&coffsymbol ((S)->bsym)->native[1].u.auxent)
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#else
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#define SYM_AUXENT(S) (&(S)->sy_symbol.ost_auxent[0])
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#endif
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#define DO_NOT_STRIP 0
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#define DO_STRIP 1
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#ifndef BFD_ASSEMBLER
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/* Symbol table macros and constants */
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/* Possible and usefull section number in symbol table
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* The values of TEXT, DATA and BSS may not be portable.
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*/
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#define C_TEXT_SECTION ((short)1)
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#define C_DATA_SECTION ((short)2)
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#define C_BSS_SECTION ((short)3)
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#define C_ABS_SECTION N_ABS
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#define C_UNDEF_SECTION N_UNDEF
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#define C_DEBUG_SECTION N_DEBUG
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#define C_NTV_SECTION N_TV
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#define C_PTV_SECTION P_TV
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#define C_REGISTER_SECTION 4
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/*
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* Macros to extract information from a symbol table entry.
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* This syntaxic indirection allows independence regarding a.out or coff.
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* The argument (s) of all these macros is a pointer to a symbol table entry.
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*/
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/* Predicates */
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/* True if the symbol is external */
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#define S_IS_EXTERNAL(s) ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
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/* True if symbol has been defined, ie :
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section > 0 (DATA, TEXT or BSS)
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section == 0 and value > 0 (external bss symbol) */
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#define S_IS_DEFINED(s) ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
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((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
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S_GET_VALUE(s) > 0))
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/* True if a debug special symbol entry */
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#define S_IS_DEBUG(s) ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
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/* True if a symbol is local symbol name */
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/* A symbol name whose name begin with ^A is a gas internal pseudo symbol */
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#define S_IS_LOCAL(s) (S_GET_NAME(s)[0] == '\001' || \
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(s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION || \
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(S_LOCAL_NAME(s) && !flagseen['L']))
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/* True if a symbol is not defined in this file */
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#define S_IS_EXTERN(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \
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&& S_GET_VALUE (s) == 0)
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/*
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* True if a symbol can be multiply defined (bss symbols have this def
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* though it is bad practice)
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*/
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#define S_IS_COMMON(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \
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&& S_GET_VALUE (s) != 0)
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/* True if a symbol name is in the string table, i.e. its length is > 8. */
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#define S_IS_STRING(s) (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
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/* Accessors */
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/* The name of the symbol */
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#define S_GET_NAME(s) ((char*)(s)->sy_symbol.ost_entry.n_offset)
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/* The pointer to the string table */
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#define S_GET_OFFSET(s) ((s)->sy_symbol.ost_entry.n_offset)
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/* The zeroes if symbol name is longer than 8 chars */
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#define S_GET_ZEROES(s) ((s)->sy_symbol.ost_entry.n_zeroes)
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/* The numeric value of the segment */
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#define S_GET_SEGMENT(s) (N_TYPE_seg[(s)->sy_symbol.ost_entry.n_scnum+4])
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/* The data type */
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#define S_GET_DATA_TYPE(s) ((s)->sy_symbol.ost_entry.n_type)
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/* The storage class */
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#define S_GET_STORAGE_CLASS(s) ((s)->sy_symbol.ost_entry.n_sclass)
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/* The number of auxiliary entries */
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#define S_GET_NUMBER_AUXILIARY(s) ((s)->sy_symbol.ost_entry.n_numaux)
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/* Modifiers */
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/* Set the name of the symbol */
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#define S_SET_NAME(s,v) ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
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/* Set the offset of the symbol */
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#define S_SET_OFFSET(s,v) ((s)->sy_symbol.ost_entry.n_offset = (v))
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/* The zeroes if symbol name is longer than 8 chars */
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#define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v))
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/* The numeric value of the segment */
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#define S_SET_SEGMENT(s,v) ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
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/* The data type */
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#define S_SET_DATA_TYPE(s,v) ((s)->sy_symbol.ost_entry.n_type = (v))
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/* The storage class */
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#define S_SET_STORAGE_CLASS(s,v) ((s)->sy_symbol.ost_entry.n_sclass = (v))
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/* The number of auxiliary entries */
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#define S_SET_NUMBER_AUXILIARY(s,v) ((s)->sy_symbol.ost_entry.n_numaux = (v))
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/* Additional modifiers */
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/* The symbol is external (does not mean undefined) */
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#define S_SET_EXTERNAL(s) { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
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#else /* BFD_ASSEMBLER */
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/* The number of auxiliary entries */
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#define S_GET_NUMBER_AUXILIARY(s) (coffsymbol((s)->bsym)->native->u.syment.n_numaux)
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/* The number of auxiliary entries */
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#define S_SET_NUMBER_AUXILIARY(s,v) (S_GET_NUMBER_AUXILIARY (s) = (v))
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/* True if a symbol name is in the string table, i.e. its length is > 8. */
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#define S_IS_STRING(s) (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
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extern int S_SET_STORAGE_CLASS PARAMS ((struct symbol *, int));
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extern int S_GET_STORAGE_CLASS PARAMS ((struct symbol *));
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#endif /* ! BFD_ASSEMBLER */
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/* Auxiliary entry macros. SA_ stands for symbol auxiliary */
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/* Omit the tv related fields */
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/* Accessors */
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#if defined (BFD_HEADERS) || defined (BFD_ASSEMBLER)
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#define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx.l)
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#else
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#define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx)
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#endif
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#define SA_GET_SYM_LNNO(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno)
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#define SA_GET_SYM_SIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size)
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#define SA_GET_SYM_FSIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize)
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#define SA_GET_SYM_LNNOPTR(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr)
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#ifdef BFD_HEADERS
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#define SA_GET_SYM_ENDNDX(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l)
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#else
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#define SA_GET_SYM_ENDNDX(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx)
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#endif
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#define SA_GET_SYM_DIMEN(s,i) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)])
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#define SA_GET_FILE_FNAME(s) (SYM_AUXENT (s)->x_file.x_fname)
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#define SA_GET_SCN_SCNLEN(s) (SYM_AUXENT (s)->x_scn.x_scnlen)
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#define SA_GET_SCN_NRELOC(s) (SYM_AUXENT (s)->x_scn.x_nreloc)
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#define SA_GET_SCN_NLINNO(s) (SYM_AUXENT (s)->x_scn.x_nlinno)
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/* Modifiers */
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#ifndef BFD_ASSEMBLER
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#ifdef BFD_HEADERS
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#define SA_SET_SYM_TAGNDX(s,v) (SYM_AUXENT (s)->x_sym.x_tagndx.l=(v))
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#define SA_SET_SYM_ENDNDX(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
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#else
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#define SA_SET_SYM_ENDNDX(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx=(v))
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#define SA_SET_SYM_TAGNDX(s,v) (SYM_AUXENT (s)->x_sym.x_tagndx=(v))
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#endif
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#endif
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#define SA_SET_SYM_LNNO(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno=(v))
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#define SA_SET_SYM_SIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size=(v))
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#define SA_SET_SYM_FSIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize=(v))
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#define SA_SET_SYM_LNNOPTR(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
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#define SA_SET_SYM_DIMEN(s,i,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
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#define SA_SET_FILE_FNAME(s,v) strncpy(SYM_AUXENT (s)->x_file.x_fname,(v),FILNMLEN)
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#define SA_SET_SCN_SCNLEN(s,v) (SYM_AUXENT (s)->x_scn.x_scnlen=(v))
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#define SA_SET_SCN_NRELOC(s,v) (SYM_AUXENT (s)->x_scn.x_nreloc=(v))
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#define SA_SET_SCN_NLINNO(s,v) (SYM_AUXENT (s)->x_scn.x_nlinno=(v))
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/*
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* Internal use only definitions. SF_ stands for symbol flags.
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*
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* These values can be assigned to sy_symbol.ost_flags field of a symbolS.
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*
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* You'll break i960 if you shift the SYSPROC bits anywhere else. for
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* more on the balname/callname hack, see tc-i960.h. b.out is done
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* differently.
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*/
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#define SF_I960_MASK (0x000001ff) /* Bits 0-8 are used by the i960 port. */
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#define SF_SYSPROC (0x0000003f) /* bits 0-5 are used to store the sysproc number */
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#define SF_IS_SYSPROC (0x00000040) /* bit 6 marks symbols that are sysprocs */
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#define SF_BALNAME (0x00000080) /* bit 7 marks BALNAME symbols */
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#define SF_CALLNAME (0x00000100) /* bit 8 marks CALLNAME symbols */
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#define SF_NORMAL_MASK (0x0000ffff) /* bits 12-15 are general purpose. */
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#define SF_STATICS (0x00001000) /* Mark the .text & all symbols */
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#define SF_DEFINED (0x00002000) /* Symbol is defined in this file */
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#define SF_STRING (0x00004000) /* Symbol name length > 8 */
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#define SF_LOCAL (0x00008000) /* Symbol must not be emitted */
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#define SF_DEBUG_MASK (0xffff0000) /* bits 16-31 are debug info */
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#define SF_FUNCTION (0x00010000) /* The symbol is a function */
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#define SF_PROCESS (0x00020000) /* Process symbol before write */
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#define SF_TAGGED (0x00040000) /* Is associated with a tag */
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#define SF_TAG (0x00080000) /* Is a tag */
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#define SF_DEBUG (0x00100000) /* Is in debug or abs section */
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#define SF_GET_SEGMENT (0x00200000) /* Get the section of the forward symbol. */
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/* All other bits are unused. */
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/* Accessors */
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#ifdef BFD_ASSEMBLER
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#define SF_GET(s) ((s)->sy_flags)
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#define SF_GET_DEBUG(s) ((s)->bsym->flags & BSF_DEBUGGING)
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#define SF_SET_DEBUG(s) ((s)->bsym->flags |= BSF_DEBUGGING)
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#else
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#define SF_GET(s) ((s)->sy_symbol.ost_flags)
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#define SF_GET_DEBUG(s) ((s)->sy_symbol.ost_flags & SF_DEBUG)
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#define SF_SET_DEBUG(s) ((s)->sy_symbol.ost_flags |= SF_DEBUG)
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#endif
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#define SF_GET_NORMAL_FIELD(s) (SF_GET (s) & SF_NORMAL_MASK)
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#define SF_GET_DEBUG_FIELD(s) (SF_GET (s) & SF_DEBUG_MASK)
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#define SF_GET_FILE(s) (SF_GET (s) & SF_FILE)
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#define SF_GET_STATICS(s) (SF_GET (s) & SF_STATICS)
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#define SF_GET_DEFINED(s) (SF_GET (s) & SF_DEFINED)
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#define SF_GET_STRING(s) (SF_GET (s) & SF_STRING)
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#define SF_GET_LOCAL(s) (SF_GET (s) & SF_LOCAL)
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#define SF_GET_FUNCTION(s) (SF_GET (s) & SF_FUNCTION)
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#define SF_GET_PROCESS(s) (SF_GET (s) & SF_PROCESS)
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#define SF_GET_TAGGED(s) (SF_GET (s) & SF_TAGGED)
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#define SF_GET_TAG(s) (SF_GET (s) & SF_TAG)
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#define SF_GET_GET_SEGMENT(s) (SF_GET (s) & SF_GET_SEGMENT)
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#define SF_GET_I960(s) (SF_GET (s) & SF_I960_MASK) /* used by i960 */
|
|
#define SF_GET_BALNAME(s) (SF_GET (s) & SF_BALNAME) /* used by i960 */
|
|
#define SF_GET_CALLNAME(s) (SF_GET (s) & SF_CALLNAME) /* used by i960 */
|
|
#define SF_GET_IS_SYSPROC(s) (SF_GET (s) & SF_IS_SYSPROC) /* used by i960 */
|
|
#define SF_GET_SYSPROC(s) (SF_GET (s) & SF_SYSPROC) /* used by i960 */
|
|
|
|
/* Modifiers */
|
|
#define SF_SET(s,v) (SF_GET (s) = (v))
|
|
#define SF_SET_NORMAL_FIELD(s,v)(SF_GET (s) |= ((v) & SF_NORMAL_MASK))
|
|
#define SF_SET_DEBUG_FIELD(s,v) (SF_GET (s) |= ((v) & SF_DEBUG_MASK))
|
|
#define SF_SET_FILE(s) (SF_GET (s) |= SF_FILE)
|
|
#define SF_SET_STATICS(s) (SF_GET (s) |= SF_STATICS)
|
|
#define SF_SET_DEFINED(s) (SF_GET (s) |= SF_DEFINED)
|
|
#define SF_SET_STRING(s) (SF_GET (s) |= SF_STRING)
|
|
#define SF_SET_LOCAL(s) (SF_GET (s) |= SF_LOCAL)
|
|
#define SF_CLEAR_LOCAL(s) (SF_GET (s) &= ~SF_LOCAL)
|
|
#define SF_SET_FUNCTION(s) (SF_GET (s) |= SF_FUNCTION)
|
|
#define SF_SET_PROCESS(s) (SF_GET (s) |= SF_PROCESS)
|
|
#define SF_SET_TAGGED(s) (SF_GET (s) |= SF_TAGGED)
|
|
#define SF_SET_TAG(s) (SF_GET (s) |= SF_TAG)
|
|
#define SF_SET_GET_SEGMENT(s) (SF_GET (s) |= SF_GET_SEGMENT)
|
|
#define SF_SET_I960(s,v) (SF_GET (s) |= ((v) & SF_I960_MASK)) /* used by i960 */
|
|
#define SF_SET_BALNAME(s) (SF_GET (s) |= SF_BALNAME) /* used by i960 */
|
|
#define SF_SET_CALLNAME(s) (SF_GET (s) |= SF_CALLNAME) /* used by i960 */
|
|
#define SF_SET_IS_SYSPROC(s) (SF_GET (s) |= SF_IS_SYSPROC) /* used by i960 */
|
|
#define SF_SET_SYSPROC(s,v) (SF_GET (s) |= ((v) & SF_SYSPROC)) /* used by i960 */
|
|
|
|
/* File header macro and type definition */
|
|
|
|
#ifndef BFD_ASSEMBLER
|
|
/*
|
|
* File position calculators. Beware to use them when all the
|
|
* appropriate fields are set in the header.
|
|
*/
|
|
|
|
#ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
|
|
#define OBJ_COFF_AOUTHDRSZ (0)
|
|
#else
|
|
#define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
|
|
#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
|
|
|
|
#define H_GET_FILE_SIZE(h) \
|
|
(long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
|
|
H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
|
|
H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
|
|
H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
|
|
H_GET_SYMBOL_TABLE_SIZE(h) + \
|
|
(h)->string_table_size)
|
|
#define H_GET_TEXT_FILE_OFFSET(h) \
|
|
(long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
|
|
H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
|
|
#define H_GET_DATA_FILE_OFFSET(h) \
|
|
(long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
|
|
H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
|
|
H_GET_TEXT_SIZE(h))
|
|
#define H_GET_BSS_FILE_OFFSET(h) 0
|
|
#define H_GET_RELOCATION_FILE_OFFSET(h) \
|
|
(long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
|
|
H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
|
|
H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
|
|
#define H_GET_LINENO_FILE_OFFSET(h) \
|
|
(long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
|
|
H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
|
|
H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
|
|
H_GET_RELOCATION_SIZE(h))
|
|
#define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
|
|
(long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
|
|
H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
|
|
H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
|
|
H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
|
|
|
|
/* Accessors */
|
|
/* aouthdr */
|
|
#define H_GET_MAGIC_NUMBER(h) ((h)->aouthdr.magic)
|
|
#define H_GET_VERSION_STAMP(h) ((h)->aouthdr.vstamp)
|
|
#define H_GET_TEXT_SIZE(h) ((h)->aouthdr.tsize)
|
|
#define H_GET_DATA_SIZE(h) ((h)->aouthdr.dsize)
|
|
#define H_GET_BSS_SIZE(h) ((h)->aouthdr.bsize)
|
|
#define H_GET_ENTRY_POINT(h) ((h)->aouthdr.entry)
|
|
#define H_GET_TEXT_START(h) ((h)->aouthdr.text_start)
|
|
#define H_GET_DATA_START(h) ((h)->aouthdr.data_start)
|
|
/* filehdr */
|
|
#define H_GET_FILE_MAGIC_NUMBER(h) ((h)->filehdr.f_magic)
|
|
#define H_GET_NUMBER_OF_SECTIONS(h) ((h)->filehdr.f_nscns)
|
|
#define H_GET_TIME_STAMP(h) ((h)->filehdr.f_timdat)
|
|
#define H_GET_SYMBOL_TABLE_POINTER(h) ((h)->filehdr.f_symptr)
|
|
#define H_GET_SYMBOL_COUNT(h) ((h)->filehdr.f_nsyms)
|
|
#define H_GET_SYMBOL_TABLE_SIZE(h) (H_GET_SYMBOL_COUNT(h) * SYMESZ)
|
|
#define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
|
|
#define H_GET_FLAGS(h) ((h)->filehdr.f_flags)
|
|
/* Extra fields to achieve bsd a.out compatibility and for convenience */
|
|
#define H_GET_RELOCATION_SIZE(h) ((h)->relocation_size)
|
|
#define H_GET_STRING_SIZE(h) ((h)->string_table_size)
|
|
#define H_GET_LINENO_SIZE(h) ((h)->lineno_size)
|
|
|
|
#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
|
|
#define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \
|
|
+ sizeof(AOUTHDR)\
|
|
+ (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
|
|
#else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
|
|
#define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \
|
|
+ (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
|
|
#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
|
|
|
|
#define H_GET_TEXT_RELOCATION_SIZE(h) (text_section_header.s_nreloc * RELSZ)
|
|
#define H_GET_DATA_RELOCATION_SIZE(h) (data_section_header.s_nreloc * RELSZ)
|
|
|
|
/* Modifiers */
|
|
/* aouthdr */
|
|
#define H_SET_MAGIC_NUMBER(h,v) ((h)->aouthdr.magic = (v))
|
|
#define H_SET_VERSION_STAMP(h,v) ((h)->aouthdr.vstamp = (v))
|
|
#define H_SET_TEXT_SIZE(h,v) ((h)->aouthdr.tsize = (v))
|
|
#define H_SET_DATA_SIZE(h,v) ((h)->aouthdr.dsize = (v))
|
|
#define H_SET_BSS_SIZE(h,v) ((h)->aouthdr.bsize = (v))
|
|
#define H_SET_ENTRY_POINT(h,v) ((h)->aouthdr.entry = (v))
|
|
#define H_SET_TEXT_START(h,v) ((h)->aouthdr.text_start = (v))
|
|
#define H_SET_DATA_START(h,v) ((h)->aouthdr.data_start = (v))
|
|
/* filehdr */
|
|
#define H_SET_FILE_MAGIC_NUMBER(h,v) ((h)->filehdr.f_magic = (v))
|
|
#define H_SET_NUMBER_OF_SECTIONS(h,v) ((h)->filehdr.f_nscns = (v))
|
|
#define H_SET_TIME_STAMP(h,v) ((h)->filehdr.f_timdat = (v))
|
|
#define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
|
|
#define H_SET_SYMBOL_TABLE_SIZE(h,v) ((h)->filehdr.f_nsyms = (v))
|
|
#define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
|
|
#define H_SET_FLAGS(h,v) ((h)->filehdr.f_flags = (v))
|
|
/* Extra fields to achieve bsd a.out compatibility and for convinience */
|
|
#define H_SET_RELOCATION_SIZE(h,t,d) ((h)->relocation_size = (t)+(d))
|
|
#define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v))
|
|
#define H_SET_LINENO_SIZE(h,v) ((h)->lineno_size = (v))
|
|
|
|
/* Segment flipping */
|
|
|
|
typedef struct
|
|
{
|
|
#ifdef BFD_HEADERS
|
|
struct internal_aouthdr aouthdr; /* a.out header */
|
|
struct internal_filehdr filehdr; /* File header, not machine dep. */
|
|
#else
|
|
AOUTHDR aouthdr; /* a.out header */
|
|
FILHDR filehdr; /* File header, not machine dep. */
|
|
#endif
|
|
long string_table_size; /* names + '\0' + sizeof(int) */
|
|
long relocation_size; /* Cumulated size of relocation
|
|
information for all sections in
|
|
bytes. */
|
|
long lineno_size; /* Size of the line number information
|
|
table in bytes */
|
|
}
|
|
|
|
object_headers;
|
|
#endif /* ! BFD_ASSEMBLER */
|
|
|
|
/* -------------- Line number handling ------- */
|
|
extern int text_lineno_number;
|
|
extern int coff_line_base;
|
|
|
|
#ifndef BFD_ASSEMBLER
|
|
/* line numbering stuff. */
|
|
|
|
typedef struct internal_lineno
|
|
{
|
|
#ifdef BFD_HEADERS
|
|
struct bfd_internal_lineno line;
|
|
#else
|
|
LINENO line; /* The lineno structure itself */
|
|
#endif
|
|
char *frag; /* Frag to which the line number is related */
|
|
struct internal_lineno *next; /* Forward chain pointer */
|
|
} lineno;
|
|
|
|
extern lineno *lineno_lastP;
|
|
extern lineno *lineno_rootP;
|
|
#define OBJ_EMIT_LINENO(a, b, c) obj_emit_lineno((a),(b),(c))
|
|
|
|
void obj_emit_lineno PARAMS ((char **where, lineno * line, char *file_start));
|
|
|
|
#endif /* not BFD_ASSEMBLER */
|
|
|
|
#ifdef BFD_ASSEMBLER
|
|
#define obj_emit_lineno(WHERE,LINE,FILE_START) abort ()
|
|
extern void coff_add_linesym PARAMS ((struct symbol *));
|
|
#endif
|
|
|
|
/* stack stuff */
|
|
typedef struct
|
|
{
|
|
unsigned long chunk_size;
|
|
unsigned long element_size;
|
|
unsigned long size;
|
|
char *data;
|
|
unsigned long pointer;
|
|
}
|
|
|
|
stack;
|
|
|
|
char *stack_pop PARAMS ((stack * st));
|
|
char *stack_push PARAMS ((stack * st, char *element));
|
|
char *stack_top PARAMS ((stack * st));
|
|
stack *stack_init PARAMS ((unsigned long chunk_size,
|
|
unsigned long element_size));
|
|
void c_dot_file_symbol PARAMS ((char *filename));
|
|
void stack_delete PARAMS ((stack * st));
|
|
|
|
#ifndef BFD_ASSEMBLER
|
|
void obj_extra_stuff PARAMS ((object_headers * headers));
|
|
#ifndef tc_headers_hook
|
|
void tc_headers_hook PARAMS ((object_headers * headers));
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef tc_coff_symbol_emit_hook
|
|
void tc_coff_symbol_emit_hook PARAMS ((/* symbolS * */));
|
|
#endif
|
|
|
|
extern void coff_frob_symbol PARAMS ((struct symbol *, int *));
|
|
extern void coff_frob_file PARAMS ((void));
|
|
#define obj_frob_symbol(S,P) coff_frob_symbol(S,&P)
|
|
#define obj_frob_file() coff_frob_file ()
|
|
|
|
/* Forward the segment of a forwarded symbol. */
|
|
#ifndef TE_I386AIX
|
|
#define obj_frob_forward_symbol(symp) \
|
|
(SF_GET_GET_SEGMENT (symp) \
|
|
? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
|
|
: 0)
|
|
#else
|
|
#define obj_frob_forward_symbol(symp) \
|
|
(SF_GET_GET_SEGMENT (symp) && S_GET_SEGMENT (symp) == SEG_UNKNOWN \
|
|
? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
|
|
: 0)
|
|
#endif
|
|
|
|
#ifndef BFD_ASSEMBLER
|
|
#ifdef BFD_HEADERS
|
|
void c_section_header PARAMS ((struct internal_scnhdr *header,
|
|
char *name, long core_address, long size,
|
|
long data_ptr, long reloc_ptr, long lineno_ptr,
|
|
long reloc_number, long lineno_number,
|
|
long alignment));
|
|
#else
|
|
void c_section_header PARAMS ((SCNHDR * header,
|
|
char *name, long core_address, long size,
|
|
long data_ptr, long reloc_ptr, long lineno_ptr,
|
|
long reloc_number, long lineno_number,
|
|
long alignment));
|
|
#endif
|
|
#endif
|
|
|
|
/* sanity check */
|
|
|
|
#ifdef TC_I960
|
|
#ifndef C_LEAFSTAT
|
|
hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
|
|
#endif /* no C_LEAFSTAT */
|
|
#endif /* TC_I960 */
|
|
#ifndef BFD_ASSEMBLER
|
|
#ifdef BFD_HEADERS
|
|
extern struct internal_scnhdr data_section_header;
|
|
extern struct internal_scnhdr text_section_header;
|
|
#else
|
|
extern SCNHDR data_section_header;
|
|
extern SCNHDR text_section_header;
|
|
#endif
|
|
#endif
|
|
|
|
#define SEPARATE_STAB_SECTIONS
|
|
|
|
/* end of obj-coff.h */
|