old-cross-binutils/bfd/libcoff.h

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/* BFD COFF object file private structure.
Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This program 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Object file tdata; access macros */
#define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
#define exec_hdr(bfd) (coff_data(bfd)->hdr)
#define obj_symbols(bfd) (coff_data(bfd)->symbols)
#define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos)
#define obj_relocbase(bfd) (coff_data(bfd)->relocbase)
#define obj_raw_syments(bfd) (coff_data(bfd)->raw_syments)
#define obj_raw_syment_count(bfd) (coff_data(bfd)->raw_syment_count)
#define obj_convert(bfd) (coff_data(bfd)->conversion_table)
#define obj_conv_table_size(bfd) (coff_data(bfd)->conv_table_size)
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#if CFILE_STUFF
#define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew)
#else
#define obj_symbol_slew(bfd) 0
#endif
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/* `Tdata' information kept for COFF files. */
typedef struct coff_tdata
{
struct coff_symbol_struct *symbols; /* symtab for input bfd */
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unsigned int *conversion_table;
int conv_table_size;
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file_ptr sym_filepos;
long symbol_index_slew; /* used during read to mark whether a
C_FILE symbol as been added. */
struct coff_ptr_struct *raw_syments;
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struct lineno *raw_linenos;
unsigned int raw_syment_count;
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unsigned short flags;
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/* These are only valid once writing has begun */
long int relocbase;
/* These members communicate important constants about the symbol table
to GDB's symbol-reading code. These `constants' unfortunately vary
from coff implementation to implementation... */
unsigned local_n_btmask;
unsigned local_n_btshft;
unsigned local_n_tmask;
unsigned local_n_tshift;
unsigned local_symesz;
unsigned local_auxesz;
unsigned local_linesz;
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} coff_data_type;
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/* We take the address of the first element of a asymbol to ensure that the
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* macro is only ever applied to an asymbol. */
#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
/* Functions in coffgen.c. */
extern bfd_target *coff_object_p PARAMS ((bfd *));
extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
extern unsigned int coff_get_symtab_upper_bound PARAMS ((bfd *));
extern unsigned int coff_get_symtab PARAMS ((bfd *, asymbol **));
extern int coff_count_linenumbers PARAMS ((bfd *));
extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *));
extern void coff_renumber_symbols PARAMS ((bfd *));
extern void coff_mangle_symbols PARAMS ((bfd *));
extern void coff_write_symbols PARAMS ((bfd *));
extern void coff_write_linenumbers PARAMS ((bfd *));
extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *));
extern asymbol *coff_section_symbol PARAMS ((bfd *, char *));
extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *));
extern unsigned int coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
extern asymbol *coff_make_empty_symbol PARAMS ((bfd *));
extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *,
bfd_print_symbol_type how));
extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *,
symbol_info *ret));
extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR,
unsigned long));
extern boolean coff_find_nearest_line PARAMS ((bfd *,
asection *,
asymbol **,
bfd_vma offset,
CONST char **filename_ptr,
CONST char **functionname_ptr,
unsigned int *line_ptr));
extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc));
extern boolean bfd_coff_reloc16_relax_section PARAMS ((bfd *,
asection *,
struct bfd_link_info *,
asymbol **));
extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents
PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
bfd_byte *, boolean relocateable, asymbol **));
extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *,
struct bfd_link_info *,
asection *));
extern void bfd_perform_slip PARAMS ((asymbol **s, unsigned int slip,
asection *input_section,
bfd_vma value));
/* And more taken from the source .. */
typedef struct coff_ptr_struct
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{
/* Remembers the offset from the first symbol in the file for
this symbol. Generated by coff_renumber_symbols. */
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unsigned int offset;
* coffcode.h (combined_entry_type): Changed fix_tag and fix_end fields to bitfields. Added fields fix_value and fix_scnlen. (sec_to_styp_flags): If STYP_DEBUG is defined, use it rather than STYP_INFO for the type of a section named .debug. (coff_add_missing_symbols): Don't define if RS6000COFF_C. (coff_write_object_contents): If RS6000COFF_C, don't call coff_add_missing_symbols. (coff_slurp_symbol_table): If RS6000COFF_C, then if the last aux entry has type STY_LD change the x_scnlen into a pointer to a symbol and set fix_scnlen. Also, for a C_BSTAT symbol, change the value into a pointer to a symbol and set fix_value. * libcoff.h: Rebuilt. * coffgen.c (coff_mangle_symbols): Reindent. If fix_value is set, get the symbol offset. Likewise for fix_scnlen. (string_size): Change type to bfd_size_type. (debug_string_size, debug_string_section): New static variables. (coff_fix_symbol_name): If bfd_coff_symname_in_debug returns true, write the symbol name into the .debug section; assume that the section has already been created with the right size. (coff_write_symbols): Initialize debug_string_size to 0. If bfd_coff_symname_in_debug returns true, don't put symbol name in usual string table. After writing out all symbols, if debug_string_size is not 0, check that it matches the size of the .debug section. (coff_get_normalized_symtab): Clear new fix_value and fix_scnlen fields. If the string offset is 0, always use an empty string as the name. (coff_make_empty_symbol): Zero out the symbol structure.
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/* Should the value of this symbol be renumbered. Used for
XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */
unsigned int fix_value : 1;
/* Should the tag field of this symbol be renumbered.
Created by coff_pointerize_aux. */
* coffcode.h (combined_entry_type): Changed fix_tag and fix_end fields to bitfields. Added fields fix_value and fix_scnlen. (sec_to_styp_flags): If STYP_DEBUG is defined, use it rather than STYP_INFO for the type of a section named .debug. (coff_add_missing_symbols): Don't define if RS6000COFF_C. (coff_write_object_contents): If RS6000COFF_C, don't call coff_add_missing_symbols. (coff_slurp_symbol_table): If RS6000COFF_C, then if the last aux entry has type STY_LD change the x_scnlen into a pointer to a symbol and set fix_scnlen. Also, for a C_BSTAT symbol, change the value into a pointer to a symbol and set fix_value. * libcoff.h: Rebuilt. * coffgen.c (coff_mangle_symbols): Reindent. If fix_value is set, get the symbol offset. Likewise for fix_scnlen. (string_size): Change type to bfd_size_type. (debug_string_size, debug_string_section): New static variables. (coff_fix_symbol_name): If bfd_coff_symname_in_debug returns true, write the symbol name into the .debug section; assume that the section has already been created with the right size. (coff_write_symbols): Initialize debug_string_size to 0. If bfd_coff_symname_in_debug returns true, don't put symbol name in usual string table. After writing out all symbols, if debug_string_size is not 0, check that it matches the size of the .debug section. (coff_get_normalized_symtab): Clear new fix_value and fix_scnlen fields. If the string offset is 0, always use an empty string as the name. (coff_make_empty_symbol): Zero out the symbol structure.
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unsigned int fix_tag : 1;
/* Should the endidx field of this symbol be renumbered.
Created by coff_pointerize_aux. */
* coffcode.h (combined_entry_type): Changed fix_tag and fix_end fields to bitfields. Added fields fix_value and fix_scnlen. (sec_to_styp_flags): If STYP_DEBUG is defined, use it rather than STYP_INFO for the type of a section named .debug. (coff_add_missing_symbols): Don't define if RS6000COFF_C. (coff_write_object_contents): If RS6000COFF_C, don't call coff_add_missing_symbols. (coff_slurp_symbol_table): If RS6000COFF_C, then if the last aux entry has type STY_LD change the x_scnlen into a pointer to a symbol and set fix_scnlen. Also, for a C_BSTAT symbol, change the value into a pointer to a symbol and set fix_value. * libcoff.h: Rebuilt. * coffgen.c (coff_mangle_symbols): Reindent. If fix_value is set, get the symbol offset. Likewise for fix_scnlen. (string_size): Change type to bfd_size_type. (debug_string_size, debug_string_section): New static variables. (coff_fix_symbol_name): If bfd_coff_symname_in_debug returns true, write the symbol name into the .debug section; assume that the section has already been created with the right size. (coff_write_symbols): Initialize debug_string_size to 0. If bfd_coff_symname_in_debug returns true, don't put symbol name in usual string table. After writing out all symbols, if debug_string_size is not 0, check that it matches the size of the .debug section. (coff_get_normalized_symtab): Clear new fix_value and fix_scnlen fields. If the string offset is 0, always use an empty string as the name. (coff_make_empty_symbol): Zero out the symbol structure.
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unsigned int fix_end : 1;
/* Should the x_csect.x_scnlen field be renumbered.
Created by coff_slurp_symbol_table. */
unsigned int fix_scnlen : 1;
/* The container for the symbol structure as read and translated
from the file. */
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union {
union internal_auxent auxent;
struct internal_syment syment;
} u;
} combined_entry_type;
/* Each canonical asymbol really looks like this: */
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typedef struct coff_symbol_struct
{
/* The actual symbol which the rest of BFD works with */
asymbol symbol;
/* A pointer to the hidden information for this symbol */
combined_entry_type *native;
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/* A pointer to the linenumber information for this symbol */
struct lineno_cache_entry *lineno;
/* Have the line numbers been relocated yet ? */
boolean done_lineno;
} coff_symbol_type;
typedef struct
{
void (*_bfd_coff_swap_aux_in) PARAMS ((
bfd *abfd,
PTR ext,
int type,
int class,
int indaux,
int numaux,
PTR in));
void (*_bfd_coff_swap_sym_in) PARAMS ((
bfd *abfd ,
PTR ext,
PTR in));
void (*_bfd_coff_swap_lineno_in) PARAMS ((
bfd *abfd,
PTR ext,
PTR in));
unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
bfd *abfd,
PTR in,
int type,
int class,
int indaux,
int numaux,
PTR ext));
unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
bfd *abfd,
PTR in,
PTR ext));
unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
bfd *abfd,
PTR in,
PTR ext));
unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
bfd *abfd,
PTR src,
PTR dst));
unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
bfd *abfd,
PTR in,
PTR out));
unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
bfd *abfd,
PTR in,
PTR out));
unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
bfd *abfd,
PTR in,
PTR out));
unsigned int _bfd_filhsz;
unsigned int _bfd_aoutsz;
unsigned int _bfd_scnhsz;
unsigned int _bfd_symesz;
unsigned int _bfd_auxesz;
unsigned int _bfd_linesz;
boolean _bfd_coff_long_filenames;
void (*_bfd_coff_swap_filehdr_in) PARAMS ((
bfd *abfd,
PTR ext,
PTR in));
void (*_bfd_coff_swap_aouthdr_in) PARAMS ((
bfd *abfd,
PTR ext,
PTR in));
void (*_bfd_coff_swap_scnhdr_in) PARAMS ((
bfd *abfd,
PTR ext,
PTR in));
boolean (*_bfd_coff_bad_format_hook) PARAMS ((
bfd *abfd,
PTR internal_filehdr));
boolean (*_bfd_coff_set_arch_mach_hook) PARAMS ((
bfd *abfd,
PTR internal_filehdr));
PTR (*_bfd_coff_mkobject_hook) PARAMS ((
bfd *abfd,
PTR internal_filehdr,
PTR internal_aouthdr));
flagword (*_bfd_styp_to_sec_flags_hook) PARAMS ((
bfd *abfd,
PTR internal_scnhdr));
asection *(*_bfd_make_section_hook) PARAMS ((
bfd *abfd,
char *name));
void (*_bfd_set_alignment_hook) PARAMS ((
bfd *abfd,
asection *sec,
PTR internal_scnhdr));
boolean (*_bfd_coff_slurp_symbol_table) PARAMS ((
bfd *abfd));
boolean (*_bfd_coff_symname_in_debug) PARAMS ((
bfd *abfd,
struct internal_syment *sym));
void (*_bfd_coff_reloc16_extra_cases) PARAMS ((
bfd *abfd,
struct bfd_link_info *link_info,
struct bfd_link_order *link_order,
arelent *reloc,
bfd_byte *data,
unsigned int *src_ptr,
unsigned int *dst_ptr));
int (*_bfd_coff_reloc16_estimate) PARAMS ((
asection *input_section,
asymbol **symbols,
arelent *r,
unsigned int shrink,
struct bfd_link_info *link_info));
} bfd_coff_backend_data;
#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \
((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i))
#define bfd_coff_swap_sym_in(a,e,i) \
((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i))
#define bfd_coff_swap_lineno_in(a,e,i) \
((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i))
#define bfd_coff_swap_reloc_out(abfd, i, o) \
((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o))
#define bfd_coff_swap_lineno_out(abfd, i, o) \
((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o))
#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \
((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o))
#define bfd_coff_swap_sym_out(abfd, i,o) \
((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o))
#define bfd_coff_swap_scnhdr_out(abfd, i,o) \
((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o))
#define bfd_coff_swap_filehdr_out(abfd, i,o) \
((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o))
#define bfd_coff_swap_aouthdr_out(abfd, i,o) \
((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o))
#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz)
#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz)
#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz)
#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz)
#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz)
#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz)
#define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames)
#define bfd_coff_swap_filehdr_in(abfd, i,o) \
((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
#define bfd_coff_swap_aouthdr_in(abfd, i,o) \
((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o))
#define bfd_coff_swap_scnhdr_in(abfd, i,o) \
((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o))
#define bfd_coff_bad_format_hook(abfd, filehdr) \
((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr))
#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\
((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr))
#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\
((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr))
#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr)\
((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr))
#define bfd_coff_make_section_hook(abfd, name)\
((coff_backend_info (abfd)->_bfd_make_section_hook) (abfd, name))
#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\
((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr))
#define bfd_coff_slurp_symbol_table(abfd)\
((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd))
#define bfd_coff_symname_in_debug(abfd, sym)\
((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym))
#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\
((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\
(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr))
#define bfd_coff_reloc16_estimate(abfd, section, symbols, reloc, shrink, link_info)\
((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
(section, symbols, reloc, shrink, link_info))