X-Git-Url: https://repo.jachan.dev/binutils.git/blobdiff_plain/075caafd65ac9b68ac028914f6fdeef43c1450a2..a837b8fc9692536b38fe435f8f3f52d2749b3527:/bfd/libcoff-in.h diff --git a/bfd/libcoff-in.h b/bfd/libcoff-in.h index 12616c99dd..820a75d58a 100644 --- a/bfd/libcoff-in.h +++ b/bfd/libcoff-in.h @@ -1,5 +1,5 @@ /* BFD COFF object file private structure. - Copyright (C) 1990-1991 Free Software Foundation, Inc. + Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc. Written by Cygnus Support. This file is part of BFD, the Binary File Descriptor library. @@ -16,26 +16,31 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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) -#if CFILE_STUFF -#define obj_symbol_slew(bfd) (coff_data(bfd)->symbol_index_slew) -#else -#define obj_symbol_slew(bfd) 0 -#endif +#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_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map) /* `Tdata' information kept for COFF files. */ @@ -46,13 +51,8 @@ typedef struct coff_tdata int conv_table_size; file_ptr sym_filepos; - long symbol_index_slew; /* used during read to mark whether a - C_FILE symbol as been added. */ - struct coff_ptr_struct *raw_syments; - struct lineno *raw_linenos; unsigned int raw_syment_count; - unsigned short flags; /* These are only valid once writing has begun */ long int relocbase; @@ -67,31 +67,220 @@ typedef struct coff_tdata unsigned local_symesz; unsigned local_auxesz; unsigned local_linesz; + + /* The unswapped external symbols. May be NULL. Read by + _bfd_coff_get_external_symbols. */ + PTR external_syms; + /* If this is true, the external_syms may not be freed. */ + 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. */ + boolean keep_strings; + + /* 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; } 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; + boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *)); + flagword real_flags; +} 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 a large a.out header should be generated. */ + boolean full_aouthdr; + + /* TOC value. */ + bfd_vma toc; + + /* Section holding TOC. */ + asection *toc_section; + + /* Section holding entry point. */ + asection *entry_section; + + /* .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_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) + /* We take the address of the first element of a 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. */ + boolean keep_relocs; + /* The section contents. This may be NULL. */ + bfd_byte *contents; + /* If this is true, the contents entry may not be freed. */ + boolean keep_contents; + /* Information cached by coff_find_nearest_line. */ + bfd_vma offset; + unsigned int i; + const char *function; + int line_base; + /* Available for individual backends. */ + PTR 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) + +/* 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; + + /* 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; +}; + +/* COFF linker hash table. */ + +struct coff_link_hash_table +{ + struct bfd_link_hash_table root; +}; + +/* 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, \ + (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (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 bfd_target *coff_object_p PARAMS ((bfd *)); +extern const bfd_target *coff_object_p PARAMS ((bfd *)); extern struct sec *coff_section_from_bfd_index PARAMS ((bfd *, int)); -extern unsigned int coff_get_symtab_upper_bound PARAMS ((bfd *)); -extern unsigned int coff_get_symtab PARAMS ((bfd *, asymbol **)); -extern void coff_count_linenumbers PARAMS ((bfd *)); +extern long coff_get_symtab_upper_bound PARAMS ((bfd *)); +extern long coff_get_symtab PARAMS ((bfd *, asymbol **)); +extern int coff_count_linenumbers PARAMS ((bfd *)); extern struct coff_symbol_struct *coff_symbol_from PARAMS ((bfd *, asymbol *)); -extern void coff_renumber_symbols PARAMS ((bfd *)); +extern boolean coff_renumber_symbols PARAMS ((bfd *, int *)); extern void coff_mangle_symbols PARAMS ((bfd *)); -extern void coff_write_symbols PARAMS ((bfd *)); -extern void coff_write_linenumbers PARAMS ((bfd *)); +extern boolean coff_write_symbols PARAMS ((bfd *)); +extern boolean coff_write_linenumbers PARAMS ((bfd *)); extern alent *coff_get_lineno PARAMS ((bfd *, asymbol *)); extern asymbol *coff_section_symbol PARAMS ((bfd *, char *)); +extern boolean _bfd_coff_get_external_symbols PARAMS ((bfd *)); +extern const char *_bfd_coff_read_string_table PARAMS ((bfd *)); +extern boolean _bfd_coff_free_symbols PARAMS ((bfd *)); extern struct coff_ptr_struct *coff_get_normalized_symtab PARAMS ((bfd *)); -extern unsigned int coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); +extern long coff_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); extern asymbol *coff_make_empty_symbol PARAMS ((bfd *)); extern void coff_print_symbol PARAMS ((bfd *, PTR filep, asymbol *, bfd_print_symbol_type how)); -extern asymbol *coff_make_debug_symbol PARAMS ((bfd *, PTR, unsigned long)); +extern void coff_get_symbol_info PARAMS ((bfd *, asymbol *, + symbol_info *ret)); +extern asymbol *coff_bfd_make_debug_symbol PARAMS ((bfd *, PTR, + unsigned long)); extern boolean coff_find_nearest_line PARAMS ((bfd *, asection *, asymbol **, @@ -100,13 +289,56 @@ extern boolean coff_find_nearest_line PARAMS ((bfd *, CONST char **functionname_ptr, unsigned int *line_ptr)); extern int coff_sizeof_headers PARAMS ((bfd *, boolean reloc)); -extern boolean bfd_coff_reloc16_relax_section PARAMS ((bfd *, - asection *, - asymbol **)); +extern boolean bfd_coff_reloc16_relax_section + PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *)); extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents - PARAMS ((bfd *, bfd_seclet_type *, bfd_byte *)); + PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, + bfd_byte *, boolean relocateable, asymbol **)); extern bfd_vma bfd_coff_reloc16_get_value PARAMS ((arelent *, - bfd_seclet_type *)); + struct bfd_link_info *, + asection *)); +extern void bfd_perform_slip PARAMS ((bfd *abfd, unsigned int slip, + asection *input_section, + bfd_vma val)); + +/* Functions in cofflink.c. */ + +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 + PARAMS ((bfd *, const struct internal_syment *, char *)); +extern boolean _bfd_coff_link_add_symbols + PARAMS ((bfd *, struct bfd_link_info *)); +extern boolean _bfd_coff_final_link + PARAMS ((bfd *, struct bfd_link_info *)); +extern struct internal_reloc *_bfd_coff_read_internal_relocs + PARAMS ((bfd *, asection *, boolean, bfd_byte *, boolean, + struct internal_reloc *)); +extern boolean _bfd_coff_generic_relocate_section + PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, + struct internal_reloc *, struct internal_syment *, asection **)); + +#define coff_get_section_contents_in_window \ + _bfd_generic_get_section_contents_in_window + +/* Functions in xcofflink.c. */ + +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 **)); /* And more taken from the source .. */