diff options
| -rw-r--r-- | bfd/Makefile.in | 3 | ||||
| -rw-r--r-- | bfd/aoutf1.h | 1 | ||||
| -rw-r--r-- | bfd/bfd.c | 64 | ||||
| -rwxr-xr-x | bfd/bfd.doc | 4 | ||||
| -rw-r--r-- | bfd/ieee.c | 4 | ||||
| -rw-r--r-- | bfd/libaout.h | 170 | ||||
| -rw-r--r-- | bfd/libbfd.h | 2 | ||||
| -rw-r--r-- | bfd/oasys.c | 2 | ||||
| -rw-r--r-- | bfd/opncls.c | 41 | ||||
| -rw-r--r-- | bfd/targets.c | 16 |
10 files changed, 217 insertions, 90 deletions
diff --git a/bfd/Makefile.in b/bfd/Makefile.in index 51ac35e..b7466bc 100644 --- a/bfd/Makefile.in +++ b/bfd/Makefile.in @@ -52,7 +52,8 @@ STAGESTUFF = $(TARGETLIB) $(OFILES) all: $(TARGETLIB) -OFILES = $(BFD_LIBS) $(BFD_BACKENDS) +# XDEPFILES comes from the host config; TDEPFILES from the target config. +OFILES = $(BFD_LIBS) $(BFD_BACKENDS) $(XDEPFILES) $(TDEPFILES) $(TARGETLIB): $(OFILES) rm -f $(TARGETLIB) diff --git a/bfd/aoutf1.h b/bfd/aoutf1.h index 197d7c7..6279761 100644 --- a/bfd/aoutf1.h +++ b/bfd/aoutf1.h @@ -86,6 +86,7 @@ sunos4_callback (abfd) struct internal_exec *execp = exec_hdr (abfd); WORK_OUT_FILE_POSITIONS(abfd, execp); + /* Determine the architecture and machine type of the object file. */ switch (N_MACHTYPE (*exec_hdr (abfd))) { @@ -154,35 +154,45 @@ bfd_format_string (format) /** Target configurations */ extern bfd_target *target_vector[]; +extern bfd_target *default_vector[]; /* Returns a pointer to the transfer vector for the object target named target_name. If target_name is NULL, chooses the one in the environment variable GNUTARGET; if that is null or not defined then the first entry in the target list is chosen. Passing in the string "default" or setting the environment variable to "default" - will cause the first entry in the target list to be returned. */ + will cause the first entry in the target list to be returned, + and "target_defaulted" will be set in the bfd. This causes + bfd_check_format to loop over all the targets to find the one + that matches the file being read. */ bfd_target * -DEFUN(bfd_find_target,(target_name), - CONST char *target_name) +DEFUN(bfd_find_target,(target_name, abfd), + CONST char *target_name AND + bfd *abfd) { bfd_target **target; extern char *getenv (); CONST char *targname = (target_name ? target_name : getenv ("GNUTARGET")); /* This is safe; the vector cannot be null */ - if (targname == NULL || !strcmp (targname, "default")) - return target_vector[0]; + if (targname == NULL || !strcmp (targname, "default")) { + abfd->target_defaulted = true; + return abfd->xvec = target_vector[0]; + } + + abfd->target_defaulted = false; for (target = &target_vector[0]; *target != NULL; target++) { if (!strcmp (targname, (*target)->name)) - return *target; + return abfd->xvec = *target; } bfd_error = invalid_target; return NULL; } + /* Returns a freshly-consed, NULL-terminated vector of the names of all the valid bfd targets. Do not modify the names */ @@ -209,16 +219,8 @@ bfd_target_list () return name_list; } -/** Init a bfd for read of the proper format. - */ - -/* We should be able to find out if the target was defaulted or user-specified. - If the user specified the target explicitly then we should do no search. - I guess the best way to do this is to pass an extra argument which specifies - the DWIM. */ - -/* I have chanegd this always to set the filepos to the origin before - guessing. -- Gumby, 14 Februar 1991*/ +/* Init a bfd for read of the proper format. If the target was unspecified, + search all the possible targets. */ boolean DEFUN(bfd_check_format,(abfd, format), @@ -235,22 +237,27 @@ DEFUN(bfd_check_format,(abfd, format), return false; } - if (abfd->format != bfd_unknown) return (abfd->format == format) ? true:false; + if (abfd->format != bfd_unknown) + return (abfd->format == format)? true: false; /* presume the answer is yes */ abfd->format = format; - bfd_seek (abfd, (file_ptr)0, SEEK_SET); /* rewind! */ + /* If the target type was explicitly specified, just check that target. */ - right_targ = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd)); - if (right_targ) { - abfd->xvec = right_targ; /* Set the target as returned */ - return true; /* File position has moved, BTW */ + if (!abfd->target_defaulted) { + bfd_seek (abfd, (file_ptr)0, SEEK_SET); /* rewind! */ + + right_targ = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd)); + if (right_targ) { + abfd->xvec = right_targ; /* Set the target as returned */ + return true; /* File position has moved, BTW */ + } + return false; /* Specified target is not right */ } - /* This isn't a <format> file in the specified or defaulted target type. - See if we recognize it for any other target type. (We check them - all to make sure it's uniquely recognized.) */ + /* Since the target type was defaulted, check them + all in the hope that one will be uniquely recognized. */ save_targ = abfd->xvec; match_count = 0; @@ -265,6 +272,11 @@ DEFUN(bfd_check_format,(abfd, format), if (temp) { /* This format checks out as ok! */ right_targ = temp; match_count++; + /* If this is the default target, accept it, even if other targets + might match. People who want those other targets have to set + the GNUTARGET variable. */ + if (temp == default_vector[0]) + break; #ifdef GNU960 /* Big- and little-endian b.out archives look the same, but it doesn't * matter: there is no difference in their headers, and member file byte @@ -287,7 +299,7 @@ DEFUN(bfd_check_format,(abfd, format), bfd_error = ((match_count == 0) ? file_not_recognized : file_ambiguously_recognized); return false; - } +} boolean DEFUN(bfd_set_format,(abfd, format), diff --git a/bfd/bfd.doc b/bfd/bfd.doc index ca5f9fa..c74c8ce 100755 --- a/bfd/bfd.doc +++ b/bfd/bfd.doc @@ -633,10 +633,10 @@ boolean bfd_set_symtab (bfd *outbfd, asymbol **location, after using this function (although the storage may be reclaimed once the bfd has been closed). -If you're done with the symol table you can tell bfd about it by +If you're done with the symbol table you can tell bfd about it by calling bfd_reclaim_symbol_table, which takes a bfd. Calling this function will also reclaim any relocation entries you may have -requested. If you don't use this function bfd will keep around all +requested. If you don't use this function, bfd will keep around all symbol information until the bfd is closed. Similarly, relocations have a canonical format. See the file bfd.h for @@ -902,7 +902,7 @@ static boolean DEFUN(ieee_mkobject,(abfd), bfd *abfd) { - ieee_data(abfd) = (ieee_data_type *)bfd_alloc(abfd,sizeof(ieee_data_type)); + set_tdata (abfd, bfd_alloc(abfd,sizeof(ieee_data_type))); return true; } @@ -993,7 +993,7 @@ DEFUN(ieee_object_p,(abfd), return abfd->xvec; fail: (void) bfd_release(abfd, ieee); - ieee_data(abfd) = save; + set_tdata (abfd, save); return (bfd_target *)NULL; } diff --git a/bfd/libaout.h b/bfd/libaout.h index 304af5c..b0b02b4 100644 --- a/bfd/libaout.h +++ b/bfd/libaout.h @@ -24,6 +24,29 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* $Id$ */ +#ifdef __STDC__ +#define CAT3(a,b,c) a##b##c +#else +#define CAT3(a,b,c) a/**/b/**/c +#endif + + +#if ARCH_SIZE==64 +#define GET_WORD bfd_h_get_64 +#define GET_SWORD (int64_type)GET_WORD +#define PUT_WORD bfd_h_put_64 +#define NAME(x,y) CAT3(x,_64_,y) +#define JNAME(x) CAT(x,_64) +#define BYTES_IN_WORD 8 +#else +#define GET_WORD bfd_h_get_32 +#define GET_SWORD (int32_type)GET_WORD +#define PUT_WORD bfd_h_put_32 +#define NAME(x,y) CAT3(x,_32_,y) +#define JNAME(x) CAT(x,_32) +#define BYTES_IN_WORD 4 +#endif + #define adata(bfd) ((struct aoutdata *) ((bfd)->tdata)) #define exec_hdr(bfd) (adata(bfd)->hdr) #define obj_textsec(bfd) (adata(bfd)->textsec) @@ -42,7 +65,7 @@ typedef struct aout_symbol { } aout_symbol_type; struct aoutdata { - struct exec *hdr; /* exec file header */ + struct internal_exec *hdr; /* exec file header */ aout_symbol_type *symbols; /* symtab for input bfd */ @@ -74,52 +97,133 @@ struct aoutdata { #define get_tdata(x) ((struct aoutdata *)((x)->tdata)) -/* Prototype declarations for functions defined in aout.c. */ +/* Prototype declarations for functions defined in aoutx.h */ -PROTO (boolean, aout_squirt_out_relocs,(bfd *abfd, asection *section)); +PROTO (boolean, NAME(aout,squirt_out_relocs),(bfd *abfd, asection *section)); -PROTO (bfd_target *, some_aout_object_p, (bfd *abfd, +PROTO (bfd_target *, NAME(aout,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, +PROTO (boolean, NAME(aout,mkobject), (bfd *abfd)); +PROTO (enum machine_type, NAME(aout,machine_type), (enum bfd_architecture arch, unsigned long machine)); -PROTO (boolean, aout_set_arch_mach, (bfd *abfd, enum bfd_architecture arch, +PROTO (boolean, NAME(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, +PROTO (boolean, NAME(aout,new_section_hook), (bfd *abfd, asection *newsect)); +PROTO (boolean, NAME(aout,set_section_contents), (bfd *abfd, sec_ptr section, + PTR location, file_ptr offset, bfd_size_type count)); + +PROTO (asymbol *,NAME(aout,make_empty_symbol), (bfd *abfd)); +PROTO (boolean, NAME(aout,slurp_symbol_table), (bfd *abfd)); +PROTO (void, NAME(aout,write_syms), (bfd *abfd)); +PROTO (void, NAME(aout,reclaim_symbol_table), (bfd *abfd)); +PROTO (unsigned int, NAME(aout,get_symtab_upper_bound), (bfd *abfd)); +PROTO (unsigned int, NAME(aout,get_symtab), (bfd *abfd, asymbol **location)); +PROTO (boolean, NAME(aout,slurp_reloc_table), (bfd *abfd, sec_ptr asect, asymbol **symbols)); -PROTO (unsigned int, aout_canonicalize_reloc, (bfd *abfd, sec_ptr section, +PROTO (unsigned int, NAME(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, +PROTO (unsigned int, NAME(aout,get_reloc_upper_bound), (bfd *abfd, sec_ptr asect)); +PROTO (void, NAME(aout,reclaim_reloc), (bfd *ignore_abfd, sec_ptr ignore)); +PROTO (alent *, NAME(aout,get_lineno), (bfd *ignore_abfd, asymbol *ignore_symbol)); +PROTO (void, NAME(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, +PROTO (boolean, NAME(aout,close_and_cleanup), (bfd *abfd)); +PROTO (boolean, NAME(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)); +PROTO (int, NAME(aout,sizeof_headers), (bfd *ignore_abfd, boolean exec)); -/* Helper routines in aout.c. */ -PROTO (void, bfd_aout_swap_exec_header_in, (bfd *abfd, - unsigned char *raw_bytes, struct exec *execp)); +PROTO (void, NAME(aout,swap_exec_header_in), (bfd *abfd, + struct external_exec *raw_bytes, struct internal_exec *execp)); -PROTO (void, bfd_aout_swap_exec_header_out,(bfd *abfd, struct exec *execp, - unsigned char *raw_bytes)); +PROTO (void, NAME(aout,swap_exec_header_out),(bfd *abfd, struct internal_exec *execp, + struct external_exec *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 +#define aout_32_get_section_contents bfd_generic_get_section_contents +#define aout_32_close_and_cleanup bfd_generic_close_and_cleanup + +#define aout_64_get_section_contents bfd_generic_get_section_contents +#define aout_64_close_and_cleanup bfd_generic_close_and_cleanup + +/* Calculate the file positions of the parts of a newly read aout header */ +#define WORK_OUT_FILE_POSITIONS(abfd, execp) \ + obj_datasec (abfd)->vma = N_DATADDR(*execp); \ + obj_bsssec (abfd)->vma = N_BSSADDR(*execp); \ + obj_textsec (abfd)->vma = N_TXTADDR(*execp); \ + \ + /* The file offsets of the sections */ \ + obj_textsec (abfd)->filepos = N_TXTOFF (*execp); \ + obj_datasec (abfd)->filepos = N_DATOFF (*execp); \ + \ + /* The file offsets of the relocation info */ \ + obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp); \ + obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp); \ + \ + /* The file offsets of the string table and symbol table. */ \ + obj_sym_filepos (abfd) = N_SYMOFF (*execp); \ + obj_str_filepos (abfd) = N_STROFF (*execp); \ + + +#define WRITE_HEADERS(abfd, execp) \ + { \ + if (abfd->flags & D_PAGED) \ + { \ + execp->a_text = obj_textsec (abfd)->size + EXEC_BYTES_SIZE; \ + N_SET_MAGIC (*execp, ZMAGIC); \ + } \ + else if (abfd->flags & WP_TEXT) \ + { \ + N_SET_MAGIC (*execp, NMAGIC); \ + } \ + else { \ + N_SET_MAGIC(*execp, OMAGIC); \ + } \ + if (abfd->flags & D_PAGED) \ + { \ + data_pad = ((obj_datasec(abfd)->size + PAGE_SIZE -1) \ + & (- PAGE_SIZE)) - obj_datasec(abfd)->size; \ + \ + if (data_pad > obj_bsssec(abfd)->size) \ + execp->a_bss = 0; \ + else \ + execp->a_bss = obj_bsssec(abfd)->size - data_pad; \ + execp->a_data = obj_datasec(abfd)->size + data_pad; \ + } \ + else \ + { \ + execp->a_data = obj_datasec (abfd)->size; \ + execp->a_bss = obj_bsssec (abfd)->size; \ + } \ + \ + execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_LIST_SIZE; \ + execp->a_entry = bfd_get_start_address (abfd); \ + \ + execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \ + obj_reloc_entry_size (abfd)); \ + execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \ + obj_reloc_entry_size (abfd)); \ + NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \ + \ + bfd_seek (abfd, 0L, false); \ + bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd); \ + /* Now write out reloc info, followed by syms and strings */ \ + \ + if (bfd_get_symcount (abfd) != 0) \ + { \ + bfd_seek (abfd, \ + (long)(N_SYMOFF(*execp)), false); \ + \ + NAME(aout,write_syms)(abfd); \ + \ + bfd_seek (abfd, (long)(N_TRELOFF(*execp)), false); \ + \ + if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) return false; \ + bfd_seek (abfd, (long)(N_DRELOFF(*execp)), false); \ + \ + if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) return false; \ + } \ + } diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 97aef7f..bef46dd 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -67,7 +67,7 @@ PROTO(PTR, bfd_zalloc,(bfd *abfd, bfd_size_type size)); PROTO(PTR, bfd_realloc,(bfd *abfd, PTR orig, bfd_size_type new)); #define bfd_release(x,y) (void) obstack_free(&(x->memory),y) -PROTO (bfd_target *, bfd_find_target, (CONST char *target_name)); +PROTO (bfd_target *, bfd_find_target, (CONST char *target_name, bfd *)); PROTO (bfd_size_type, bfd_read, (PTR ptr, bfd_size_type size, bfd_size_type nitems, bfd *abfd)); PROTO (bfd_size_type, bfd_write, (PTR ptr, bfd_size_type size, bfd_size_type nitems, bfd *abfd)); diff --git a/bfd/oasys.c b/bfd/oasys.c index a78e161..68218b2 100644 --- a/bfd/oasys.c +++ b/bfd/oasys.c @@ -394,7 +394,7 @@ DEFUN(oasys_object_p,(abfd), fail: (void) bfd_release(abfd, oasys); - oasys_data(abfd) = save; + set_tdata (abfd, save); return (bfd_target *)NULL; } diff --git a/bfd/opncls.c b/bfd/opncls.c index fdd7f4b..84c6651 100644 --- a/bfd/opncls.c +++ b/bfd/opncls.c @@ -107,21 +107,19 @@ DEFUN(bfd_openr, (filename, target), bfd *nbfd; bfd_target *target_vec; - target_vec = bfd_find_target (target); - if (target_vec == NULL) { - bfd_error = invalid_target; - return NULL; - } - - bfd_error = system_call_error; nbfd = new_bfd(); if (nbfd == NULL) { bfd_error = no_memory; return NULL; } + target_vec = bfd_find_target (target, nbfd); + if (target_vec == NULL) { + bfd_error = invalid_target; + return NULL; + } + nbfd->filename = filename; - nbfd->xvec = target_vec; nbfd->direction = read_direction; if (bfd_open_file (nbfd) == NULL) { @@ -155,12 +153,6 @@ DEFUN(bfd_fdopenr,(filename, target, fd), struct flock lock, *lockp = &lock; #endif - target_vec = bfd_find_target (target); - if (target_vec == NULL) { - bfd_error = invalid_target; - return NULL; - } - bfd_error = system_call_error; fdflags = fcntl (fd, F_GETFL); @@ -177,6 +169,13 @@ DEFUN(bfd_fdopenr,(filename, target, fd), bfd_error = no_memory; return NULL; } + + target_vec = bfd_find_target (target, nbfd); + if (target_vec == NULL) { + bfd_error = invalid_target; + return NULL; + } + #ifdef BFD_LOCKS nbfd->lock = (struct flock *) (nbfd + 1); #endif @@ -190,7 +189,6 @@ DEFUN(bfd_fdopenr,(filename, target, fd), /* OK, put everything where it belongs */ nbfd->filename = filename; - nbfd->xvec = target_vec; /* As a special case we allow a FD open for read/write to be written through, although doing so requires that we end @@ -206,7 +204,7 @@ DEFUN(bfd_fdopenr,(filename, target, fd), memcpy (nbfd->lock, lockp, sizeof (struct flock)) #endif - bfd_cache_init (nbfd); + bfd_cache_init (nbfd); return nbfd; } @@ -224,9 +222,6 @@ DEFUN(bfd_openw,(filename, target), bfd *nbfd; bfd_target *target_vec; - target_vec = bfd_find_target (target); - if (target_vec == NULL) return NULL; - bfd_error = system_call_error; /* nbfd has to point to head of malloc'ed block so that bfd_close may @@ -238,8 +233,10 @@ DEFUN(bfd_openw,(filename, target), return NULL; } + target_vec = bfd_find_target (target, nbfd); + if (target_vec == NULL) return NULL; + nbfd->filename = filename; - nbfd->xvec = target_vec; nbfd->direction = write_direction; if (bfd_open_file (nbfd) == NULL) { @@ -249,10 +246,8 @@ DEFUN(bfd_openw,(filename, target), } return nbfd; } - - -/** Close up shop, get your deposit back. */ +/* Close up shop, get your deposit back. */ boolean bfd_close (abfd) bfd *abfd; diff --git a/bfd/targets.c b/bfd/targets.c index b1338ad..22cda5c 100644 --- a/bfd/targets.c +++ b/bfd/targets.c @@ -41,6 +41,10 @@ extern bfd_target m88k_bcs_vec; extern bfd_target m68kcoff_vec; extern bfd_target i386coff_vec; +#ifdef DEFAULT_VECTOR +extern bfd_target DEFAULT_VECTOR; +#endif + #ifdef GNU960 #define ICOFF_LITTLE_VEC icoff_little_vec #define ICOFF_BIG_VEC icoff_big_vec @@ -128,6 +132,16 @@ bfd_target *target_vector[] = { &M68KCOFF_VEC, #endif /* M68KCOFF_VEC */ - NULL, /* end of list marker */ }; + + +/* default_vector[0] contains either the address of the default vector, + if there is one, or zero if there isn't. */ + +bfd_target *default_vector[] = { +#ifdef DEFAULT_VECTOR + &DEFAULT_VECTOR, +#endif + 0, +}; |