X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Flibcoff-in.h;h=8368cc85527dd966f860ad61aed9a7e7042cb840;hb=563e308f244b1d6adb9d012a3e11d458400b3ff2;hp=f8d9d168d18c4b13a098ec22c7b7d4914380a6c0;hpb=5f710a3a892886e442bc24a5a05a56550693abdc;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/libcoff-in.h b/bfd/libcoff-in.h index f8d9d168d1..8368cc8552 100644 --- a/bfd/libcoff-in.h +++ b/bfd/libcoff-in.h @@ -1,7 +1,12 @@ /* BFD COFF object file private structure. - Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc. + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + 2000, 2001 + 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 @@ -39,6 +44,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #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. */ @@ -50,7 +58,7 @@ typedef struct coff_tdata file_ptr sym_filepos; struct coff_ptr_struct *raw_syments; - unsigned int raw_syment_count; + unsigned long raw_syment_count; /* These are only valid once writing has begun */ long int relocbase; @@ -77,13 +85,32 @@ typedef struct coff_tdata char *strings; /* If this is true, the strings may not be freed. */ boolean keep_strings; + /* If this is true, the strings have been written out already. */ + 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. */ + PTR line_info; + + /* A place to stash dwarf2 info for this bfd. */ + PTR 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. */ @@ -93,6 +120,10 @@ typedef struct pe_tdata 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; + int target_subsystem; + boolean force_minimum_alignment; } pe_data_type; #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) @@ -104,9 +135,21 @@ struct xcoff_tdata /* Basic COFF information. */ coff_data_type coff; + /* True if this is an XCOFF64 file. */ + boolean xcoff64; + + /* 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; @@ -116,11 +159,19 @@ struct xcoff_tdata /* modtype from optional header. */ short modtype; + /* cputype from optional header. */ + short cputype; + /* maxdata from optional header. */ - bfd_size_type maxdata; + bfd_vma maxdata; /* maxstack from optional header. */ - bfd_size_type maxstack; + 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) @@ -147,6 +198,8 @@ struct coff_section_tdata 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; }; @@ -155,6 +208,40 @@ struct coff_section_tdata #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 @@ -179,6 +266,11 @@ struct coff_link_hash_entry /* 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. */ @@ -186,6 +278,8 @@ struct coff_link_hash_entry 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. */ @@ -230,6 +324,7 @@ 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 *, @@ -252,8 +347,185 @@ extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip, 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 *)); +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 @@ -269,5 +541,46 @@ 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_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 *)); +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 .. */