267 lines
9.5 KiB
C
267 lines
9.5 KiB
C
|
/* BFD XCOFF object file private structure.
|
||
|
|
Copyright (C) 2001 Free Software Foundation, Inc.
|
||
|
|
Written by Tom Rix, Redhat.
|
||
|
|
|
||
|
|
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. */
|
||
|
|
|
||
|
|
#ifndef LIBXCOFF_H
|
||
|
|
#define LIBXCOFF_H
|
||
|
|
|
||
|
|
/* This is the backend information kept for XCOFF files. This
|
||
|
|
structure is constant for a particular backend. The first element
|
||
|
|
is the COFF backend data structure, so that XCOFF targets can use
|
||
|
|
the generic COFF code. */
|
||
|
|
|
||
|
|
struct xcoff_backend_data_rec
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* COFF backend information. Must be the first field.
|
||
|
|
* This is where the std coff swap table goes
|
||
|
|
*/
|
||
|
|
bfd_coff_backend_data coff;
|
||
|
|
|
||
|
|
/* Magic number */
|
||
|
|
unsigned short _xcoff_magic_number;
|
||
|
|
|
||
|
|
/* Architecture and machine for coff_set_arch_mach_hook */
|
||
|
|
enum bfd_architecture _xcoff_architecture;
|
||
|
|
long _xcoff_machine;
|
||
|
|
|
||
|
|
/* function pointers to xcoff specific swap routines */
|
||
|
|
void (* _xcoff_swap_ldhdr_in)(bfd *, PTR, struct internal_ldhdr *);
|
||
|
|
void (* _xcoff_swap_ldhdr_out)(bfd *, struct internal_ldhdr *, PTR);
|
||
|
|
void (* _xcoff_swap_ldsym_in)(bfd *, PTR, struct internal_ldsym *);
|
||
|
|
void (* _xcoff_swap_ldsym_out)(bfd *, struct internal_ldsym *, PTR);
|
||
|
|
void (* _xcoff_swap_ldrel_in)(bfd *, PTR, struct internal_ldrel *);
|
||
|
|
void (* _xcoff_swap_ldrel_out)(bfd *, struct internal_ldrel *, PTR);
|
||
|
|
|
||
|
|
/* size of the the external struct */
|
||
|
|
unsigned int _xcoff_ldhdrsz;
|
||
|
|
unsigned int _xcoff_ldsymsz;
|
||
|
|
unsigned int _xcoff_ldrelsz;
|
||
|
|
|
||
|
|
/* size an entry in a descriptor section */
|
||
|
|
unsigned int _xcoff_function_descriptor_size;
|
||
|
|
|
||
|
|
/* size of the small aout file header */
|
||
|
|
unsigned int _xcoff_small_aout_header_size;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* version
|
||
|
|
* loader version
|
||
|
|
* 1 : xcoff32
|
||
|
|
* 2 : xcoff64
|
||
|
|
*/
|
||
|
|
unsigned long _xcoff_ldhdr_version;
|
||
|
|
|
||
|
|
boolean (* _xcoff_put_symbol_name)(bfd *, struct bfd_strtab_hash *,
|
||
|
|
struct internal_syment *,
|
||
|
|
const char *);
|
||
|
|
|
||
|
|
boolean (* _xcoff_put_ldsymbol_name)(bfd *, struct xcoff_loader_info *,
|
||
|
|
struct internal_ldsym *,
|
||
|
|
const char *);
|
||
|
|
|
||
|
|
reloc_howto_type *_xcoff_dynamic_reloc;
|
||
|
|
|
||
|
|
asection * (* _xcoff_create_csect_from_smclas) (bfd *, union internal_auxent *, const char *);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* line_no and reloc overflow
|
||
|
|
* 32 overflows to another section when the line_no or reloc count go
|
||
|
|
* over 0xffff. 64 does not overflow.
|
||
|
|
*/
|
||
|
|
boolean (*_xcoff_is_lineno_count_overflow)(bfd *, bfd_vma);
|
||
|
|
boolean (*_xcoff_is_reloc_count_overflow)(bfd *, bfd_vma);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* .loader symbol table offset
|
||
|
|
* 32 is after the .loader header
|
||
|
|
* 64 is offset in .loader header
|
||
|
|
*
|
||
|
|
* Similar for the reloc table
|
||
|
|
*/
|
||
|
|
bfd_vma (*_xcoff_loader_symbol_offset)(bfd *, struct internal_ldhdr *);
|
||
|
|
bfd_vma (*_xcoff_loader_reloc_offset)(bfd *, struct internal_ldhdr *);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Global linkage
|
||
|
|
*
|
||
|
|
* The first word of global linkage code must be be modified by
|
||
|
|
* filling in the correct TOC offset.
|
||
|
|
*/
|
||
|
|
unsigned long *_xcoff_glink_code;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Size of the global link code in bytes of the xcoff_glink_code table
|
||
|
|
*/
|
||
|
|
unsigned long _xcoff_glink_size;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Look up an entry in an XCOFF link hash table. */
|
||
|
|
|
||
|
|
#define xcoff_link_hash_lookup(table, string, create, copy, follow) \
|
||
|
|
((struct xcoff_link_hash_entry *) \
|
||
|
|
bfd_link_hash_lookup (&(table)->root, (string), (create), (copy),\
|
||
|
|
(follow)))
|
||
|
|
|
||
|
|
/* Traverse an XCOFF link hash table. */
|
||
|
|
|
||
|
|
#define xcoff_link_hash_traverse(table, func, info) \
|
||
|
|
(bfd_link_hash_traverse \
|
||
|
|
(&(table)->root, \
|
||
|
|
(boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \
|
||
|
|
(info)))
|
||
|
|
|
||
|
|
/* Get the XCOFF link hash table from the info structure. This is
|
||
|
|
just a cast. */
|
||
|
|
|
||
|
|
#define xcoff_hash_table(p) ((struct xcoff_link_hash_table *) ((p)->hash))
|
||
|
|
|
||
|
|
|
||
|
|
#define xcoff_backend(abfd) \
|
||
|
|
((struct xcoff_backend_data_rec *) (abfd)->xvec->backend_data)
|
||
|
|
|
||
|
|
#define bfd_xcoff_magic_number(a) ((xcoff_backend(a)->_xcoff_magic_number))
|
||
|
|
#define bfd_xcoff_architecture(a) ((xcoff_backend(a)->_xcoff_architecture))
|
||
|
|
#define bfd_xcoff_machine(a) ((xcoff_backend(a)->_xcoff_machine))
|
||
|
|
|
||
|
|
#define bfd_xcoff_swap_ldhdr_in(a, b, c) \
|
||
|
|
((xcoff_backend(a)->_xcoff_swap_ldhdr_in) ((a), (b), (c)))
|
||
|
|
|
||
|
|
#define bfd_xcoff_swap_ldhdr_out(a, b, c) \
|
||
|
|
((xcoff_backend(a)->_xcoff_swap_ldhdr_out) ((a), (b), (c)))
|
||
|
|
|
||
|
|
#define bfd_xcoff_swap_ldsym_in(a, b, c) \
|
||
|
|
((xcoff_backend(a)->_xcoff_swap_ldsym_in) ((a), (b), (c)))
|
||
|
|
|
||
|
|
#define bfd_xcoff_swap_ldsym_out(a, b, c) \
|
||
|
|
((xcoff_backend(a)->_xcoff_swap_ldsym_out) ((a), (b), (c)))
|
||
|
|
|
||
|
|
#define bfd_xcoff_swap_ldrel_in(a, b, c) \
|
||
|
|
((xcoff_backend(a)->_xcoff_swap_ldrel_in) ((a), (b), (c)))
|
||
|
|
|
||
|
|
#define bfd_xcoff_swap_ldrel_out(a, b, c) \
|
||
|
|
((xcoff_backend(a)->_xcoff_swap_ldrel_out) ((a), (b), (c)))
|
||
|
|
|
||
|
|
#define bfd_xcoff_ldhdrsz(a) ((xcoff_backend(a)->_xcoff_ldhdrsz))
|
||
|
|
#define bfd_xcoff_ldsymsz(a) ((xcoff_backend(a)->_xcoff_ldsymsz))
|
||
|
|
#define bfd_xcoff_ldrelsz(a) ((xcoff_backend(a)->_xcoff_ldrelsz))
|
||
|
|
#define bfd_xcoff_function_descriptor_size(a) \
|
||
|
|
((xcoff_backend(a)->_xcoff_function_descriptor_size))
|
||
|
|
#define bfd_xcoff_small_aout_header_size(a) \
|
||
|
|
((xcoff_backend(a)->_xcoff_small_aout_header_size))
|
||
|
|
|
||
|
|
#define bfd_xcoff_ldhdr_version(a) ((xcoff_backend(a)->_xcoff_ldhdr_version))
|
||
|
|
|
||
|
|
#define bfd_xcoff_put_symbol_name(a, b, c, d) \
|
||
|
|
((xcoff_backend(a)->_xcoff_put_symbol_name) ((a), (b), (c), (d)))
|
||
|
|
|
||
|
|
#define bfd_xcoff_put_ldsymbol_name(a, b, c, d) \
|
||
|
|
((xcoff_backend(a)->_xcoff_put_ldsymbol_name) ((a), (b), (c), (d)))
|
||
|
|
|
||
|
|
/* Get the XCOFF hash table entries for a BFD. */
|
||
|
|
#define obj_xcoff_sym_hashes(bfd) \
|
||
|
|
((struct xcoff_link_hash_entry **) obj_coff_sym_hashes (bfd))
|
||
|
|
|
||
|
|
#define bfd_xcoff_dynamic_reloc_howto(a) \
|
||
|
|
((xcoff_backend(a)->_xcoff_dynamic_reloc))
|
||
|
|
|
||
|
|
#define bfd_xcoff_create_csect_from_smclas(a, b, c) \
|
||
|
|
((xcoff_backend(a)->_xcoff_create_csect_from_smclas((a), (b), (c))))
|
||
|
|
|
||
|
|
#define bfd_xcoff_is_lineno_count_overflow(a, b) \
|
||
|
|
((xcoff_backend(a)->_xcoff_is_lineno_count_overflow((a), (b))))
|
||
|
|
|
||
|
|
#define bfd_xcoff_is_reloc_count_overflow(a, b) \
|
||
|
|
((xcoff_backend(a)->_xcoff_is_reloc_count_overflow((a), (b))))
|
||
|
|
|
||
|
|
#define bfd_xcoff_loader_symbol_offset(a, b) \
|
||
|
|
((xcoff_backend(a)->_xcoff_loader_symbol_offset((a), (b))))
|
||
|
|
|
||
|
|
#define bfd_xcoff_loader_reloc_offset(a, b) \
|
||
|
|
((xcoff_backend(a)->_xcoff_loader_reloc_offset((a), (b))))
|
||
|
|
|
||
|
|
#define bfd_xcoff_glink_code(a, b) ((xcoff_backend(a)->_xcoff_glink_code[(b)]))
|
||
|
|
#define bfd_xcoff_glink_code_size(a) ((xcoff_backend(a)->_xcoff_glink_size))
|
||
|
|
|
||
|
|
#define bfd_xcoff_is_xcoff64(a) (0x01EF == (bfd_xcoff_magic_number(a)))
|
||
|
|
#define bfd_xcoff_is_xcoff32(a) (0x01DF == (bfd_xcoff_magic_number(a)))
|
||
|
|
|
||
|
|
/* 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_xcoff_slurp_symbol_table
|
||
|
|
PARAMS ((bfd *));
|
||
|
|
extern long _bfd_xcoff_get_symbol_table
|
||
|
|
PARAMS ((bfd *, asymbol **));
|
||
|
|
extern asymbol *_bfd_xcoff_make_empty_symbol
|
||
|
|
PARAMS ((bfd *));
|
||
|
|
extern long _bfd_xcoff_get_symbol_table_upper_bound
|
||
|
|
PARAMS ((bfd *));
|
||
|
|
extern void _bfd_xcoff_print_symbol
|
||
|
|
PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
|
||
|
|
extern void _bfd_xcoff_get_symbol_info
|
||
|
|
PARAMS ((bfd *, asymbol *, symbol_info *));
|
||
|
|
extern long _bfd_xcoff_canonicalize_reloc
|
||
|
|
PARAMS((bfd *, sec_ptr, arelent **, asymbol **));
|
||
|
|
extern reloc_howto_type *_bfd_xcoff_rtype_to_howto
|
||
|
|
PARAMS ((bfd *, asection *, struct internal_reloc *,
|
||
|
|
struct coff_link_hash_entry *, struct internal_syment *,
|
||
|
|
bfd_vma *));
|
||
|
|
extern boolean _bfd_xcoff_set_section_contents
|
||
|
|
PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
|
||
|
|
boolean _bfd_xcoff_write_object_contents PARAMS ((bfd *));
|
||
|
|
|
||
|
|
|
||
|
|
/* XCOFF support routines for the linker. */
|
||
|
|
|
||
|
|
extern boolean bfd_xcoff_link_record_set
|
||
|
|
PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
|
||
|
|
bfd_size_type));
|
||
|
|
extern boolean bfd_xcoff_import_symbol
|
||
|
|
PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
|
||
|
|
bfd_vma, const char *, const char *, const char *));
|
||
|
|
extern boolean bfd_xcoff_export_symbol
|
||
|
|
PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
|
||
|
|
boolean));
|
||
|
|
extern boolean bfd_xcoff_link_count_reloc
|
||
|
|
PARAMS ((bfd *, struct bfd_link_info *, const char *));
|
||
|
|
extern boolean bfd_xcoff_record_link_assignment
|
||
|
|
PARAMS ((bfd *, struct bfd_link_info *, const char *));
|
||
|
|
extern boolean bfd_xcoff_size_dynamic_sections
|
||
|
|
PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
|
||
|
|
unsigned long, unsigned long, unsigned long, boolean,
|
||
|
|
int, boolean, boolean, struct sec **));
|
||
|
|
extern boolean xcoff_slurp_reloc_table
|
||
|
|
PARAMS ((bfd *, asection *, asymbol **));
|
||
|
|
|
||
|
|
#endif /* LIBXCOFF_H */
|