diff --git a/bfd/libaout.h b/bfd/libaout.h index 35d795b013..304af5c04d 100644 --- a/bfd/libaout.h +++ b/bfd/libaout.h @@ -1,3 +1,9 @@ +/* BFD back-end data structures for a.out (and similar) files. + + We try to encapsulate the differences in a few routines, and otherwise + share large masses of code. This means we only have to fix bugs in + one place, most of the time. */ + /* Copyright (C) 1990, 1991 Free Software Foundation, Inc. This file is part of BFD, the Binary File Diddler. @@ -18,33 +24,24 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* $Id$ */ -/* BFD back-end data structures for a.out (and similar) files. +#define adata(bfd) ((struct aoutdata *) ((bfd)->tdata)) +#define exec_hdr(bfd) (adata(bfd)->hdr) +#define obj_textsec(bfd) (adata(bfd)->textsec) +#define obj_datasec(bfd) (adata(bfd)->datasec) +#define obj_bsssec(bfd) (adata(bfd)->bsssec) +#define obj_sym_filepos(bfd) (adata(bfd)->sym_filepos) +#define obj_str_filepos(bfd) (adata(bfd)->str_filepos) - We try to encapsulate the differences in a few routines, and otherwise - share large masses of code. This means we only have to fix bugs in - one place, most of the time. */ +#define obj_reloc_entry_size(bfd) (adata(bfd)->reloc_entry_size) -/** a.out files */ - -#define exec_hdr(bfd) (((struct sunexdata *) ((bfd)->tdata))->hdr) -/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/ -#define obj_textsec(bfd) (((struct sunexdata *) ((bfd)->tdata))->textsec) -#define obj_datasec(bfd) (((struct sunexdata *) ((bfd)->tdata))->datasec) -#define obj_bsssec(bfd) (((struct sunexdata *) ((bfd)->tdata))->bsssec) -#define obj_sym_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->sym_filepos) -#define obj_str_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->str_filepos) - - - -typedef struct { +typedef struct aout_symbol { asymbol symbol; short desc; -char other; -unsigned char type; + char other; + unsigned char type; } aout_symbol_type; - -struct sunexdata { +struct aoutdata { struct exec *hdr; /* exec file header */ aout_symbol_type *symbols; /* symtab for input bfd */ @@ -58,19 +55,71 @@ struct sunexdata { no dependencies on the particular format of the exec_hdr. */ file_ptr sym_filepos; file_ptr str_filepos; + + /* Size of a relocation entry */ + unsigned reloc_entry_size; }; -#define obj_outsymbols(bfd) ((PTR)(((struct sunexdata *) ((bfd)->tdata))->outsymbols)) - +#define obj_outsymbols(bfd) ((PTR)(((struct aoutdata *) ((bfd)->tdata))->outsymbols)) /* We take the address of the first element of an asymbol to ensure that the * macro is only ever applied to an asymbol */ #define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd)) -/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/ -#define obj_aout_symbols(bfd) ((((struct sunexdata *) (bfd)->tdata))->symbols) -#define obj_arch_flags(bfd) ((((struct sunexdata *) (bfd)->tdata))->arch_flags) +/*#define obj_symbols(bfd) ((((struct aoutdata *) ((bfd)->tdata))->symbols))*/ +#define obj_aout_symbols(bfd) ((((struct aoutdata *) (bfd)->tdata))->symbols) +#define obj_arch_flags(bfd) ((((struct aoutdata *) (bfd)->tdata))->arch_flags) -#define get_tdata(x) ((struct sunexdata *)((x)->tdata)) +#define get_tdata(x) ((struct aoutdata *)((x)->tdata)) + +/* Prototype declarations for functions defined in aout.c. */ + +PROTO (boolean, aout_squirt_out_relocs,(bfd *abfd, asection *section)); + +PROTO (bfd_target *, some_aout_object_p, (bfd *abfd, + bfd_target *(*callback)())); +PROTO (boolean, aout_mkobject, (bfd *abfd)); +PROTO (enum machine_type, aout_machine_type, (enum bfd_architecture arch, + unsigned long machine)); +PROTO (boolean, aout_set_arch_mach, (bfd *abfd, enum bfd_architecture arch, + unsigned long machine)); + +PROTO (boolean, aout_new_section_hook, (bfd *abfd, asection *newsect)); +PROTO (boolean, aout_set_section_contents, (bfd *abfd, sec_ptr section, + PTR location, file_ptr offset, int count)); + +PROTO (asymbol *, aout_make_empty_symbol, (bfd *abfd)); +PROTO (boolean, aout_slurp_symbol_table, (bfd *abfd)); +PROTO (void, aout_write_syms, (bfd *abfd)); +PROTO (void, aout_reclaim_symbol_table, (bfd *abfd)); +PROTO (unsigned int, aout_get_symtab_upper_bound, (bfd *abfd)); +PROTO (unsigned int, aout_get_symtab, (bfd *abfd, asymbol **location)); +PROTO (boolean, aout_slurp_reloc_table, (bfd *abfd, sec_ptr asect, + asymbol **symbols)); +PROTO (unsigned int, aout_canonicalize_reloc, (bfd *abfd, sec_ptr section, + arelent **relptr, asymbol **symbols)); +PROTO (unsigned int, aout_get_reloc_upper_bound, (bfd *abfd, sec_ptr asect)); +PROTO (void, aout_reclaim_reloc, (bfd *ignore_abfd, sec_ptr ignore)); +PROTO (alent *, aout_get_lineno, (bfd *ignore_abfd, asymbol *ignore_symbol)); +PROTO (void, aout_print_symbol, (bfd *ignore_abfd, PTR file, + asymbol *symbol, bfd_print_symbol_enum_type how)); +PROTO (boolean, aout_close_and_cleanup, (bfd *abfd)); +PROTO (boolean, aout_find_nearest_line, (bfd *abfd, asection *section, + asymbol **symbols, bfd_vma offset, CONST char **filename_ptr, + CONST char **functionname_ptr, unsigned int *line_ptr)); +PROTO (int, aout_sizeof_headers, (bfd *ignore_abfd)); + +/* Helper routines in aout.c. */ + +PROTO (void, bfd_aout_swap_exec_header_in, (bfd *abfd, + unsigned char *raw_bytes, struct exec *execp)); + +PROTO (void, bfd_aout_swap_exec_header_out,(bfd *abfd, struct exec *execp, + unsigned char *raw_bytes)); + +/* A.out uses the generic versions of these routines... */ + +#define aout_get_section_contents bfd_generic_get_section_contents +#define aout_close_and_cleanup bfd_generic_close_and_cleanup diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 19589c8ef5..8949689ec4 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -115,9 +115,12 @@ PROTO (boolean, _bfd_dummy_core_file_matches_executable_p, (bfd *core_bfd, bfd *exec_bfd)); PROTO (bfd_target *, _bfd_dummy_target, (bfd *abfd)); -PROTO (void, bfd_dont_truncate_arname, (bfd *abfd, char *filename, char *hdr)); -PROTO (void, bfd_bsd_truncate_arname, (bfd *abfd, char *filename, char *hdr)); -PROTO (void, bfd_gnu_truncate_arname, (bfd *abfd, char *filename, char *hdr)); +PROTO (void, bfd_dont_truncate_arname, (bfd *abfd, CONST char *filename, + char *hdr)); +PROTO (void, bfd_bsd_truncate_arname, (bfd *abfd, CONST char *filename, + char *hdr)); +PROTO (void, bfd_gnu_truncate_arname, (bfd *abfd, CONST char *filename, + char *hdr)); PROTO (boolean, bsd_write_armap, (bfd *arch, unsigned int elength, struct orl *map, int orl_count, int stridx)); @@ -166,3 +169,6 @@ extern bfd *bfd_last_cache; #define itos(x) ((char*)(x)) #define stoi(x) ((int)(x)) #endif + +/* Generic routine for close_and_cleanup is really just bfd_true. */ +#define bfd_generic_close_and_cleanup bfd_true