diff options
Diffstat (limited to 'binutils-2.17/bfd/libcoff-in.h')
| -rw-r--r-- | binutils-2.17/bfd/libcoff-in.h | 602 |
1 files changed, 0 insertions, 602 deletions
diff --git a/binutils-2.17/bfd/libcoff-in.h b/binutils-2.17/bfd/libcoff-in.h deleted file mode 100644 index f2bc264b..00000000 --- a/binutils-2.17/bfd/libcoff-in.h +++ /dev/null @@ -1,602 +0,0 @@ -/* BFD COFF object file private structure. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2004, 2005, 2006 - Free Software Foundation, Inc. - Written by Cygnus Support. - - 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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_strings_written(bfd) (coff_data (bfd)->strings_written) -#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 long 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. */ - void * external_syms; - /* If this is TRUE, the external_syms may not be freed. */ - bfd_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. */ - bfd_boolean keep_strings; - /* If this is TRUE, the strings have been written out already. */ - bfd_boolean strings_written; - - /* 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. */ - void * line_info; - - /* A place to stash dwarf2 info for this bfd. */ - void * dwarf2_find_line_info; - - /* The timestamp from the COFF file header. */ - long timestamp; - - /* Copy of some of the f_flags bits in the COFF filehdr structure, - used by ARM code. */ - flagword flags; - -} 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; - bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); - flagword real_flags; - int target_subsystem; - bfd_boolean force_minimum_alignment; -} 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 this is an XCOFF64 file. */ - bfd_boolean xcoff64; - - /* TRUE if a large a.out header should be generated. */ - bfd_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_vma maxdata; - - /* maxstack from optional header. */ - bfd_vma 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 an 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. */ - bfd_boolean keep_relocs; - /* The section contents. This may be NULL. */ - bfd_byte *contents; - /* If this is TRUE, the contents entry may not be freed. */ - bfd_boolean keep_contents; - /* Information cached by coff_find_nearest_line. */ - bfd_vma offset; - unsigned int i; - const char *function; - /* Optional information about a COMDAT entry; NULL if not COMDAT. */ - struct coff_comdat_info *comdat; - int line_base; - /* A pointer used for .stab linking optimizations. */ - void * stab_info; - /* Available for individual backends. */ - void * 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 PE files. */ - -struct pei_section_tdata -{ - /* The virtual size of the section. */ - bfd_size_type virt_size; - /* The PE section flags. */ - long pe_flags; -}; - -/* 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; - - /* Flag word; legal values follow. */ - unsigned short coff_link_hash_flags; - /* Symbol is a PE section symbol. */ -#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) -}; - -/* 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. */ - struct stab_info 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, \ - (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (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 - (bfd *); -extern struct bfd_section *coff_section_from_bfd_index - (bfd *, int); -extern long coff_get_symtab_upper_bound - (bfd *); -extern long coff_canonicalize_symtab - (bfd *, asymbol **); -extern int coff_count_linenumbers - (bfd *); -extern struct coff_symbol_struct *coff_symbol_from - (bfd *, asymbol *); -extern bfd_boolean coff_renumber_symbols - (bfd *, int *); -extern void coff_mangle_symbols - (bfd *); -extern bfd_boolean coff_write_symbols - (bfd *); -extern bfd_boolean coff_write_linenumbers - (bfd *); -extern alent *coff_get_lineno - (bfd *, asymbol *); -extern asymbol *coff_section_symbol - (bfd *, char *); -extern bfd_boolean _bfd_coff_get_external_symbols - (bfd *); -extern const char *_bfd_coff_read_string_table - (bfd *); -extern bfd_boolean _bfd_coff_free_symbols - (bfd *); -extern struct coff_ptr_struct *coff_get_normalized_symtab - (bfd *); -extern long coff_get_reloc_upper_bound - (bfd *, sec_ptr); -extern asymbol *coff_make_empty_symbol - (bfd *); -extern void coff_print_symbol - (bfd *, void * filep, asymbol *, bfd_print_symbol_type); -extern void coff_get_symbol_info - (bfd *, asymbol *, symbol_info *ret); -extern bfd_boolean _bfd_coff_is_local_label_name - (bfd *, const char *); -extern asymbol *coff_bfd_make_debug_symbol - (bfd *, void *, unsigned long); -extern bfd_boolean coff_find_nearest_line - (bfd *, asection *, asymbol **, bfd_vma, const char **, - const char **, unsigned int *); -extern bfd_boolean coff_find_inliner_info - (bfd *, const char **, const char **, unsigned int *); -extern int coff_sizeof_headers - (bfd *, bfd_boolean); -extern bfd_boolean bfd_coff_reloc16_relax_section - (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); -extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents - (bfd *, struct bfd_link_info *, struct bfd_link_order *, - bfd_byte *, bfd_boolean, asymbol **); -extern bfd_vma bfd_coff_reloc16_get_value - (arelent *, struct bfd_link_info *, asection *); -extern void bfd_perform_slip - (bfd *, unsigned int, asection *, bfd_vma); - -/* 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, \ - sizeof (struct coff_debug_merge_hash_entry))) - -/* 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 relocatable 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. */ - bfd_boolean failed; - /* If doing "task linking" set only during the time when we want the - global symbol writer to convert the storage class of defined global - symbols from global to static. */ - bfd_boolean global_to_static; - /* Hash table for long symbol names. */ - struct bfd_strtab_hash *strtab; - /* When doing a relocatable 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; -}; - -/* Most COFF variants have no way to record the alignment of a - section. This struct is used to set a specific alignment based on - the name of the section. */ - -struct coff_section_alignment_entry -{ - /* The section name. */ - const char *name; - - /* This is either (unsigned int) -1, indicating that the section - name must match exactly, or it is the number of letters which - must match at the start of the name. */ - unsigned int comparison_length; - - /* These macros may be used to fill in the first two fields in a - structure initialization. */ -#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) -#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) - - /* Only use this entry if the default section alignment for this - target is at least that much (as a power of two). If this field - is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ - unsigned int default_alignment_min; - - /* Only use this entry if the default section alignment for this - target is no greater than this (as a power of two). If this - field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ - unsigned int default_alignment_max; - -#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) - - /* The desired alignment for this section (as a power of two). */ - unsigned int alignment_power; -}; - -extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc - (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); -extern bfd_boolean _bfd_coff_link_hash_table_init - (struct coff_link_hash_table *, bfd *, - struct bfd_hash_entry *(*) (struct bfd_hash_entry *, - struct bfd_hash_table *, - const char *), - unsigned int); -extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create - (bfd *); -extern const char *_bfd_coff_internal_syment_name - (bfd *, const struct internal_syment *, char *); -extern bfd_boolean _bfd_coff_link_add_symbols - (bfd *, struct bfd_link_info *); -extern bfd_boolean _bfd_coff_final_link - (bfd *, struct bfd_link_info *); -extern struct internal_reloc *_bfd_coff_read_internal_relocs - (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, - struct internal_reloc *); -extern bfd_boolean _bfd_coff_generic_relocate_section - (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 - (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); -extern bfd_boolean _bfd_coff_write_global_sym - (struct coff_link_hash_entry *, void *); -extern bfd_boolean _bfd_coff_write_task_globals - (struct coff_link_hash_entry *, void *); -extern bfd_boolean _bfd_coff_link_input_bfd - (struct coff_final_link_info *, bfd *); -extern bfd_boolean _bfd_coff_reloc_link_order - (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 - (bfd *); -extern long _bfd_xcoff_canonicalize_dynamic_symtab - (bfd *, asymbol **); -extern long _bfd_xcoff_get_dynamic_reloc_upper_bound - (bfd *); -extern long _bfd_xcoff_canonicalize_dynamic_reloc - (bfd *, arelent **, asymbol **); -extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create - (bfd *); -extern void _bfd_xcoff_bfd_link_hash_table_free - (struct bfd_link_hash_table *); -extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols - (bfd *, struct bfd_link_info *); -extern bfd_boolean _bfd_xcoff_bfd_final_link - (bfd *, struct bfd_link_info *); -extern bfd_boolean _bfd_ppc_xcoff_relocate_section - (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 bfd_boolean ppc_allocate_toc_section - (struct bfd_link_info *); -extern bfd_boolean ppc_process_before_allocation - (bfd *, struct bfd_link_info *); - |