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NetBSD/gnu/dist/bfd/libcoff-in.h

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/* BFD COFF object file private structure.
Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 1997
Free Software Foundation, Inc.
Written by Cygnus Support.
** NOTE: libcoff.h is a GENERATED file. Don't change it; instead,
** change libcoff-in.h or coffcode.h.
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. */
#include "bfdlink.h"
/* Object file tdata; access macros */
#define coff_data(bfd) ((bfd)->tdata.coff_obj_data)
#define exec_hdr(bfd) (coff_data(bfd)->hdr)
#define obj_pe(bfd) (coff_data(bfd)->pe)
#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)
#define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms)
#define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms)
#define obj_coff_strings(bfd) (coff_data (bfd)->strings)
#define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings)
#define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes)
#define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map)
/* `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;
struct coff_ptr_struct *raw_syments;
unsigned int raw_syment_count;
/* 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;
/* The unswapped external symbols. May be NULL. Read by
_bfd_coff_get_external_symbols. */
PTR external_syms;
/* If this is true, the external_syms may not be freed. */
boolean keep_syms;
/* The string table. May be NULL. Read by
_bfd_coff_read_string_table. */
char *strings;
/* If this is true, the strings may not be freed. */
boolean keep_strings;
/* is this a PE format coff file */
int pe;
/* Used by the COFF backend linker. */
struct coff_link_hash_entry **sym_hashes;
/* used by the pe linker for PowerPC */
int *local_toc_sym_map;
struct bfd_link_info *link_info;
/* Used by coff_find_nearest_line. */
PTR line_info;
} coff_data_type;
/* Tdata for pe image files. */
typedef struct pe_tdata
{
coff_data_type coff;
struct internal_extra_pe_aouthdr pe_opthdr;
int dll;
int has_reloc_section;
boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *));
flagword real_flags;
} pe_data_type;
#define pe_data(bfd) ((bfd)->tdata.pe_obj_data)
/* Tdata for XCOFF files. */
struct xcoff_tdata
{
/* Basic COFF information. */
coff_data_type coff;
/* True if a large a.out header should be generated. */
boolean full_aouthdr;
/* TOC value. */
bfd_vma toc;
/* Index of section holding TOC. */
int sntoc;
/* Index of section holding entry point. */
int snentry;
/* .text alignment from optional header. */
int text_align_power;
/* .data alignment from optional header. */
int data_align_power;
/* modtype from optional header. */
short modtype;
/* cputype from optional header. */
short cputype;
/* maxdata from optional header. */
bfd_size_type maxdata;
/* maxstack from optional header. */
bfd_size_type maxstack;
/* Used by the XCOFF backend linker. */
asection **csects;
unsigned long *debug_indices;
unsigned int import_file_id;
};
#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data)
/* 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)))
/* The used_by_bfd field of a section may be set to a pointer to this
structure. */
struct coff_section_tdata
{
/* The relocs, swapped into COFF internal form. This may be NULL. */
struct internal_reloc *relocs;
/* If this is true, the relocs entry may not be freed. */
boolean keep_relocs;
/* The section contents. This may be NULL. */
bfd_byte *contents;
/* If this is true, the contents entry may not be freed. */
boolean keep_contents;
/* Information cached by coff_find_nearest_line. */
bfd_vma offset;
unsigned int i;
const char *function;
int line_base;
/* A pointer used for .stab linking optimizations. */
PTR stab_info;
/* Available for individual backends. */
PTR tdata;
};
/* An accessor macro for the coff_section_tdata structure. */
#define coff_section_data(abfd, sec) \
((struct coff_section_tdata *) (sec)->used_by_bfd)
/* Tdata for sections in XCOFF files. This is used by the linker. */
struct xcoff_section_tdata
{
/* Used for XCOFF csects created by the linker; points to the real
XCOFF section which contains this csect. */
asection *enclosing;
/* The lineno_count field for the enclosing section, because we are
going to clobber it there. */
unsigned int lineno_count;
/* The first and one past the last symbol indices for symbols used
by this csect. */
unsigned long first_symndx;
unsigned long last_symndx;
};
/* An accessor macro the xcoff_section_tdata structure. */
#define xcoff_section_data(abfd, sec) \
((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
/* Tdata for sections in PEI image files. */
struct pei_section_tdata
{
/* The virtual size of the section. */
bfd_size_type virt_size;
};
/* An accessor macro for the pei_section_tdata structure. */
#define pei_section_data(abfd, sec) \
((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata)
/* 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;
/* A pointer to information used to link stabs in sections. */
PTR stab_info;
};
/* 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 *, int *));
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 boolean _bfd_coff_get_external_symbols PARAMS ((bfd *));
extern const char *_bfd_coff_read_string_table PARAMS ((bfd *));
extern boolean _bfd_coff_free_symbols PARAMS ((bfd *));
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 boolean _bfd_coff_is_local_label_name PARAMS ((bfd *, const char *));
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 and types in cofflink.c. */
#define STRING_SIZE_SIZE (4)
/* We use a hash table to merge identical enum, struct, and union
definitions in the linker. */
/* Information we keep for a single element (an enum value, a
structure or union field) in the debug merge hash table. */
struct coff_debug_merge_element
{
/* Next element. */
struct coff_debug_merge_element *next;
/* Name. */
const char *name;
/* Type. */
unsigned int type;
/* Symbol index for complex type. */
long tagndx;
};
/* A linked list of debug merge entries for a given name. */
struct coff_debug_merge_type
{
/* Next type with the same name. */
struct coff_debug_merge_type *next;
/* Class of type. */
int class;
/* Symbol index where this type is defined. */
long indx;
/* List of elements. */
struct coff_debug_merge_element *elements;
};
/* Information we store in the debug merge hash table. */
struct coff_debug_merge_hash_entry
{
struct bfd_hash_entry root;
/* A list of types with this name. */
struct coff_debug_merge_type *types;
};
/* The debug merge hash table. */
struct coff_debug_merge_hash_table
{
struct bfd_hash_table root;
};
/* Initialize a COFF debug merge hash table. */
#define coff_debug_merge_hash_table_init(table) \
(bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc))
/* Free a COFF debug merge hash table. */
#define coff_debug_merge_hash_table_free(table) \
(bfd_hash_table_free (&(table)->root))
/* Look up an entry in a COFF debug merge hash table. */
#define coff_debug_merge_hash_lookup(table, string, create, copy) \
((struct coff_debug_merge_hash_entry *) \
bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
/* Information we keep for each section in the output file when doing
a relocateable link. */
struct coff_link_section_info
{
/* The relocs to be output. */
struct internal_reloc *relocs;
/* For each reloc against a global symbol whose index was not known
when the reloc was handled, the global hash table entry. */
struct coff_link_hash_entry **rel_hashes;
};
/* Information that we pass around while doing the final link step. */
struct coff_final_link_info
{
/* General link information. */
struct bfd_link_info *info;
/* Output BFD. */
bfd *output_bfd;
/* Used to indicate failure in traversal routine. */
boolean failed;
/* Hash table for long symbol names. */
struct bfd_strtab_hash *strtab;
/* When doing a relocateable link, an array of information kept for
each output section, indexed by the target_index field. */
struct coff_link_section_info *section_info;
/* Symbol index of last C_FILE symbol (-1 if none). */
long last_file_index;
/* Contents of last C_FILE symbol. */
struct internal_syment last_file;
/* Symbol index of first aux entry of last .bf symbol with an empty
endndx field (-1 if none). */
long last_bf_index;
/* Contents of last_bf_index aux entry. */
union internal_auxent last_bf;
/* Hash table used to merge debug information. */
struct coff_debug_merge_hash_table debug_merge;
/* Buffer large enough to hold swapped symbols of any input file. */
struct internal_syment *internal_syms;
/* Buffer large enough to hold sections of symbols of any input file. */
asection **sec_ptrs;
/* Buffer large enough to hold output indices of symbols of any
input file. */
long *sym_indices;
/* Buffer large enough to hold output symbols for any input file. */
bfd_byte *outsyms;
/* Buffer large enough to hold external line numbers for any input
section. */
bfd_byte *linenos;
/* Buffer large enough to hold any input section. */
bfd_byte *contents;
/* Buffer large enough to hold external relocs of any input section. */
bfd_byte *external_relocs;
/* Buffer large enough to hold swapped relocs of any input section. */
struct internal_reloc *internal_relocs;
};
extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
extern boolean _bfd_coff_link_hash_table_init
PARAMS ((struct coff_link_hash_table *, bfd *,
struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
struct bfd_hash_table *,
const char *)));
extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create
PARAMS ((bfd *));
extern const char *_bfd_coff_internal_syment_name
PARAMS ((bfd *, const struct internal_syment *, char *));
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 *));
extern struct internal_reloc *_bfd_coff_read_internal_relocs
PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean,
struct internal_reloc *));
extern boolean _bfd_coff_generic_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
struct internal_reloc *, struct internal_syment *, asection **));
extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
extern boolean _bfd_coff_write_global_sym
PARAMS ((struct coff_link_hash_entry *, PTR));
extern boolean _bfd_coff_link_input_bfd
PARAMS ((struct coff_final_link_info *, bfd *));
extern boolean _bfd_coff_reloc_link_order
PARAMS ((bfd *, struct coff_final_link_info *, asection *,
struct bfd_link_order *));
#define coff_get_section_contents_in_window \
_bfd_generic_get_section_contents_in_window
/* Functions in xcofflink.c. */
extern long _bfd_xcoff_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
extern long _bfd_xcoff_canonicalize_dynamic_symtab
PARAMS ((bfd *, asymbol **));
extern long _bfd_xcoff_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
extern long _bfd_xcoff_canonicalize_dynamic_reloc
PARAMS ((bfd *, arelent **, asymbol **));
extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create
PARAMS ((bfd *));
extern boolean _bfd_xcoff_bfd_link_add_symbols
PARAMS ((bfd *, struct bfd_link_info *));
extern boolean _bfd_xcoff_bfd_final_link
PARAMS ((bfd *, struct bfd_link_info *));
extern boolean _bfd_ppc_xcoff_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
struct internal_reloc *, struct internal_syment *, asection **));
/* Functions in coff-ppc.c. FIXME: These are called be pe.em in the
linker, and so should start with bfd and be declared in bfd.h. */
extern boolean ppc_allocate_toc_section PARAMS ((struct bfd_link_info *));
extern boolean ppc_process_before_allocation
PARAMS ((bfd *, struct bfd_link_info *));
/* And more taken from the source .. */
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