/* BFD COFF object file private structure.
- Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
+ 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
int *local_toc_sym_map;
struct bfd_link_info *link_info;
+
+ /* Used by coff_find_nearest_line. */
+ PTR line_info;
+
+ /* 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. */
/* TOC value. */
bfd_vma toc;
- /* Section holding TOC. */
- asection *toc_section;
+ /* Index of section holding TOC. */
+ int sntoc;
- /* Section holding entry point. */
- asection *entry_section;
+ /* Index of section holding entry point. */
+ int snentry;
/* .text alignment from optional header. */
int text_align_power;
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;
};
#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
/* Pointer to array of auxiliary entries, if any. */
union internal_auxent *aux;
- /* If this symbol requires an entry in the table of contents, the
- processor specific backend uses this field to hold the offset
- into the .toc section. */
- bfd_vma toc_offset;
+ /* 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. */
+ PTR stab_info;
};
/* Look up an entry in a COFF linker hash table. */
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 *input_section,
bfd_vma val));
-/* Functions in cofflink.c. */
+/* 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;
+ /* 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. */
+ boolean global_to_static;
+ /* 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;
+};
+
+/* 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
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
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_write_task_globals
+ 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 *, 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 .. */
typedef struct coff_ptr_struct
/* Have the line numbers been relocated yet ? */
boolean done_lineno;
} coff_symbol_type;
+ /* COFF symbol classifications. */
+
+enum coff_symbol_classification
+{
+ /* Global symbol. */
+ COFF_SYMBOL_GLOBAL,
+ /* Common symbol. */
+ COFF_SYMBOL_COMMON,
+ /* Undefined symbol. */
+ COFF_SYMBOL_UNDEFINED,
+ /* Local symbol. */
+ COFF_SYMBOL_LOCAL,
+ /* PE section symbol. */
+ COFF_SYMBOL_PE_SECTION
+};
+
typedef struct
{
void (*_bfd_coff_swap_aux_in) PARAMS ((
PTR in));
unsigned int (*_bfd_coff_swap_aux_out) PARAMS ((
- bfd *abfd,
- PTR in,
- int type,
- int class,
+ bfd *abfd,
+ PTR in,
+ int type,
+ int class,
int indaux,
int numaux,
- PTR ext));
+ PTR ext));
unsigned int (*_bfd_coff_swap_sym_out) PARAMS ((
bfd *abfd,
- PTR in,
- PTR ext));
+ PTR in,
+ PTR ext));
unsigned int (*_bfd_coff_swap_lineno_out) PARAMS ((
- bfd *abfd,
- PTR in,
- PTR ext));
+ bfd *abfd,
+ PTR in,
+ PTR ext));
unsigned int (*_bfd_coff_swap_reloc_out) PARAMS ((
- bfd *abfd,
- PTR src,
- PTR dst));
+ bfd *abfd,
+ PTR src,
+ PTR dst));
unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS ((
- bfd *abfd,
- PTR in,
- PTR out));
+ bfd *abfd,
+ PTR in,
+ PTR out));
unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS ((
- bfd *abfd,
- PTR in,
- PTR out));
+ bfd *abfd,
+ PTR in,
+ PTR out));
unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS ((
- bfd *abfd,
- PTR in,
- PTR out));
+ bfd *abfd,
+ PTR in,
+ PTR out));
unsigned int _bfd_filhsz;
unsigned int _bfd_aoutsz;
unsigned int _bfd_relsz;
unsigned int _bfd_linesz;
boolean _bfd_coff_long_filenames;
+ boolean _bfd_coff_long_section_names;
+ unsigned int _bfd_coff_default_section_alignment_power;
void (*_bfd_coff_swap_filehdr_in) PARAMS ((
bfd *abfd,
PTR ext,
arelent *r,
unsigned int shrink,
struct bfd_link_info *link_info));
- boolean (*_bfd_coff_sym_is_global) PARAMS ((
+ enum coff_symbol_classification (*_bfd_coff_classify_symbol) PARAMS ((
bfd *abfd,
struct internal_syment *));
- void (*_bfd_coff_compute_section_file_positions) PARAMS ((
+ boolean (*_bfd_coff_compute_section_file_positions) PARAMS ((
bfd *abfd));
boolean (*_bfd_coff_start_final_link) PARAMS ((
bfd *output_bfd,
asection *sec,
struct internal_reloc *reloc,
boolean *adjustedp));
+ boolean (*_bfd_coff_link_add_one_symbol) PARAMS ((
+ struct bfd_link_info *info,
+ bfd *abfd,
+ const char *name,
+ flagword flags,
+ asection *section,
+ bfd_vma value,
+ const char *string,
+ boolean copy,
+ boolean collect,
+ struct bfd_link_hash_entry **hashp));
+
+ boolean (*_bfd_coff_link_output_has_begun) PARAMS ((
+ bfd * abfd,
+ struct coff_final_link_info * pfinfo));
+ boolean (*_bfd_coff_final_link_postscript) PARAMS ((
+ bfd * abfd,
+ struct coff_final_link_info * pfinfo));
} bfd_coff_backend_data;
#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_long_section_names(abfd) \
+ (coff_backend_info (abfd)->_bfd_coff_long_section_names)
+#define bfd_coff_default_section_alignment_power(abfd) \
+ (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power)
#define bfd_coff_swap_filehdr_in(abfd, i,o) \
((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o))
((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)\
+#define bfd_coff_classify_symbol(abfd, sym)\
+ ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\
(abfd, sym))
#define bfd_coff_compute_section_file_positions(abfd)\
#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
(obfd, info, ibfd, sec, rel, adjustedp))
+#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
+ ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
+ (info, abfd, name, flags, section, value, string, cp, coll, hashp))
+
+#define bfd_coff_link_output_has_begun(a,p) \
+ ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p))
+#define bfd_coff_final_link_postscript(a,p) \
+ ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))
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