X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Flibcoff.h;h=aa4b5a4f149f6adbaf7f8918d30164aa76174dbf;hb=a05d3537a8035d2e0d9310bef6589cba46998f06;hp=98eeaf3c15288e47bdd3b6f152de0e090cb96719;hpb=5f710a3a892886e442bc24a5a05a56550693abdc;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/libcoff.h b/bfd/libcoff.h index 98eeaf3c15..aa4b5a4f14 100644 --- a/bfd/libcoff.h +++ b/bfd/libcoff.h @@ -1,7 +1,11 @@ /* 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, 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 @@ -40,6 +44,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #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 @@ -83,7 +89,17 @@ typedef struct coff_tdata /* 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; + + /* Copy of some of the f_flags bits in the COFF filehdr structure, used by ARM code */ + int flags; + } coff_data_type; /* Tdata for pe image files. */ @@ -93,6 +109,8 @@ 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; } pe_data_type; #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) @@ -104,9 +122,18 @@ 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; @@ -116,11 +143,19 @@ struct xcoff_tdata /* 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) @@ -147,6 +182,8 @@ 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 +192,38 @@ 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 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 @@ -186,6 +255,8 @@ 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 +301,7 @@ 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 +324,150 @@ 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; +}; + +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 @@ -269,6 +483,47 @@ 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 .. */ typedef struct coff_ptr_struct @@ -294,6 +549,11 @@ unsigned int fix_end : 1; Created by coff_pointerize_aux. */ unsigned int fix_scnlen : 1; + /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the + index into the line number entries. Set by + coff_slurp_symbol_table. */ +unsigned int fix_line : 1; + /* The container for the symbol structure as read and translated from the file. */ @@ -388,6 +648,8 @@ typedef struct 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, @@ -457,7 +719,7 @@ typedef struct boolean (*_bfd_coff_sym_is_global) 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, @@ -485,6 +747,23 @@ typedef struct 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 )); + boolean (*_bfd_coff_final_link_postscript) PARAMS (( + bfd * abfd, + struct coff_final_link_info * pfinfo)); } bfd_coff_backend_data; @@ -528,6 +807,10 @@ typedef struct #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)) @@ -592,4 +875,12 @@ typedef struct #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) \ + ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a)) +#define bfd_coff_final_link_postscript(a,p) \ + ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))