-/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+/* BFD COFF object file private structure.
+ Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+ Written by Cygnus Support.
-This file is part of BFD, the Binary File Diddler.
+This file is part of BFD, the Binary File Descriptor library.
-BFD is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-BFD is distributed in the hope that it will be useful,
+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 BFD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* $Id$ */
-
-/* BFD COFF object file private structure. */
+#include "bfdlink.h"
/* Object file tdata; access macros */
-#define obj_icof(bfd) ((struct icofdata *) ((bfd)->tdata))
-#define exec_hdr(bfd) (obj_icof(bfd)->hdr)
-#define obj_symbols(bfd) (obj_icof(bfd)->symbols)
-#define obj_sym_filepos(bfd) (obj_icof(bfd)->sym_filepos)
-
-#define obj_relocbase(bfd) (obj_icof(bfd)->relocbase)
-#define obj_raw_syments(bfd) (obj_icof(bfd)->raw_syments)
-#define obj_convert(bfd) (obj_icof(bfd)->conversion_table)
-#define obj_symbol_slew(bfd) (obj_icof(bfd)->symbol_index_slew)
-#define obj_string_table(bfd) (obj_icof(bfd)->string_table)
-
-typedef struct {
- asymbol symbol;
- struct syment *native;
- struct lineno_cache_entry *lineno;
-} coff_symbol_type;
+#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)
-struct icofdata {
- struct aouthdr *hdr; /* exec file header */
- coff_symbol_type *symbols; /* symtab for input bfd */
+#define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms)
+#define obj_coff_strings(bfd) (coff_data (bfd)->strings)
+#define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
+
+/* `Tdata' information kept for COFF files. */
+
+typedef struct coff_tdata
+{
+ struct coff_symbol_struct *symbols; /* symtab for input bfd */
unsigned int *conversion_table;
+ int conv_table_size;
file_ptr sym_filepos;
- long symbol_index_slew; /* used during read to mark whether a
- C_FILE symbol as been added. */
-
- struct syment *raw_syments;
- struct lineno *raw_linenos;
+ struct coff_ptr_struct *raw_syments;
unsigned int raw_syment_count;
- char *string_table;
+
/* 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;
+
+ /* Used by the COFF backend linker. */
+ PTR external_syms;
+ char *strings;
+ struct coff_link_hash_entry **sym_hashes;
+} coff_data_type;
-/* We cast the address of the first element of a asymbol to ensure that the
+/* We take the address of the first element of a asymbol to ensure that the
* macro is only ever applied to an asymbol. */
#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd)))
+
+/* COFF linker hash table entries. */
+
+struct coff_link_hash_entry
+{
+ struct bfd_link_hash_entry root;
+
+ /* Symbol index in output file. Set to -1 initially. Set to -2 if
+ there is a reloc against this symbol. */
+ long indx;
+
+ /* Symbol type. */
+ unsigned short type;
+
+ /* Symbol class. */
+ unsigned char class;
+
+ /* Number of auxiliary entries. */
+ char numaux;
+
+ /* BFD to take auxiliary entries from. */
+ bfd *auxbfd;
+
+ /* Pointer to array of auxiliary entries, if any. */
+ union internal_auxent *aux;
+};
+
+/* COFF linker hash table. */
+
+struct coff_link_hash_table
+{
+ struct bfd_link_hash_table root;
+};
+
+/* Look up an entry in a COFF linker hash table. */
+
+#define coff_link_hash_lookup(table, string, create, copy, follow) \
+ ((struct coff_link_hash_entry *) \
+ bfd_link_hash_lookup (&(table)->root, (string), (create), \
+ (copy), (follow)))
+
+/* Traverse a COFF linker hash table. */
+
+#define coff_link_hash_traverse(table, func, info) \
+ (bfd_link_hash_traverse \
+ (&(table)->root, \
+ (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
+ (info)))
+
+/* Get the COFF linker hash table from a link_info structure. */
+
+#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash))
+
+/* Functions in coffgen.c. */
+extern const bfd_target *coff_object_p PARAMS ((bfd *));
+extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int));
+extern long coff_get_symtab_upper_bound PARAMS ((bfd *));
+extern long 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 boolean coff_renumber_symbols PARAMS ((bfd *));
+extern void coff_mangle_symbols PARAMS ((bfd *));
+extern boolean coff_write_symbols PARAMS ((bfd *));
+extern boolean 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 long 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 *, boolean *));
+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 ((bfd *abfd, unsigned int slip,
+ asection *input_section,
+ bfd_vma val));
+
+/* Functions in cofflink.c. */
+
+extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
+ PARAMS ((bfd *));
+extern boolean _bfd_coff_link_add_symbols
+ PARAMS ((bfd *, struct bfd_link_info *));
+extern boolean _bfd_coff_final_link
+ PARAMS ((bfd *, struct bfd_link_info *));
+
+/* And more taken from the source .. */
+
+typedef struct coff_ptr_struct
+{
+
+ /* Remembers the offset from the first symbol in the file for
+ this symbol. Generated by coff_renumber_symbols. */
+unsigned int offset;
+
+ /* 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. */
+unsigned int fix_tag : 1;
+
+ /* Should the endidx field of this symbol be renumbered.
+ Created by coff_pointerize_aux. */
+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. */
+
+union {
+ union internal_auxent auxent;
+ struct internal_syment syment;
+ } u;
+} combined_entry_type;
+
+
+ /* Each canonical asymbol really looks like this: */
+
+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;
+
+ /* 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_relsz;
+ 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));
+ void (*_bfd_coff_swap_reloc_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,
+ const char *name));
+ 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 ((
+ bfd *abfd,
+ asection *input_section,
+ arelent *r,
+ unsigned int shrink,
+ struct bfd_link_info *link_info));
+ boolean (*_bfd_coff_sym_is_global) PARAMS ((
+ bfd *abfd,
+ struct internal_syment *));
+ void (*_bfd_coff_compute_section_file_positions) PARAMS ((
+ bfd *abfd));
+ boolean (*_bfd_coff_relocate_section) PARAMS ((
+ bfd *output_bfd,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ struct internal_reloc *relocs,
+ struct internal_syment *syms,
+ asection **sections));
+
+} 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_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz)
+#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_swap_reloc_in(abfd, i, o) \
+ ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_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, name)\
+ ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name))
+
+#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, reloc, shrink, link_info)\
+ ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\
+ (abfd, section, reloc, shrink, link_info))
+
+#define bfd_coff_sym_is_global(abfd, sym)\
+ ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\
+ (abfd, sym))
+
+#define bfd_coff_compute_section_file_positions(abfd)\
+ ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\
+ (abfd))
+
+#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\
+ ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\
+ (obfd, info, ibfd, o, con, rel, isyms, secs))
+
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