diff options
Diffstat (limited to 'bfd/aout-adobe.c')
| -rw-r--r-- | bfd/aout-adobe.c | 527 |
1 files changed, 0 insertions, 527 deletions
diff --git a/bfd/aout-adobe.c b/bfd/aout-adobe.c deleted file mode 100644 index 2c11ffe9ff2..00000000000 --- a/bfd/aout-adobe.c +++ /dev/null @@ -1,527 +0,0 @@ -/* BFD back-end for a.out.adobe binaries. - Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc. - Written by Cygnus Support. Based on bout.c. - -This file is part of BFD, the Binary File Descriptor library. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" - -#include "aout/adobe.h" - -#include "aout/stab_gnu.h" -#include "libaout.h" /* BFD a.out internal data structures */ - -extern const bfd_target a_out_adobe_vec; /* Forward decl */ - -static const bfd_target *aout_adobe_callback PARAMS ((bfd *)); - -extern boolean aout_32_slurp_symbol_table PARAMS ((bfd *abfd)); -extern boolean aout_32_write_syms PARAMS ((bfd *)); -static void aout_adobe_write_section PARAMS ((bfd *abfd, sec_ptr sect)); - -/* Swaps the information in an executable header taken from a raw byte - stream memory image, into the internal exec_header structure. */ - -void aout_adobe_swap_exec_header_in - PARAMS ((bfd *abfd, struct external_exec *raw_bytes, - struct internal_exec *execp)); - -void -aout_adobe_swap_exec_header_in (abfd, raw_bytes, execp) - bfd *abfd; - struct external_exec *raw_bytes; - struct internal_exec *execp; -{ - struct external_exec *bytes = (struct external_exec *)raw_bytes; - - /* Now fill in fields in the execp, from the bytes in the raw data. */ - execp->a_info = bfd_h_get_32 (abfd, bytes->e_info); - execp->a_text = GET_WORD (abfd, bytes->e_text); - execp->a_data = GET_WORD (abfd, bytes->e_data); - execp->a_bss = GET_WORD (abfd, bytes->e_bss); - execp->a_syms = GET_WORD (abfd, bytes->e_syms); - execp->a_entry = GET_WORD (abfd, bytes->e_entry); - execp->a_trsize = GET_WORD (abfd, bytes->e_trsize); - execp->a_drsize = GET_WORD (abfd, bytes->e_drsize); -} - -/* Swaps the information in an internal exec header structure into the - supplied buffer ready for writing to disk. */ - -PROTO(void, aout_adobe_swap_exec_header_out, - (bfd *abfd, - struct internal_exec *execp, - struct external_exec *raw_bytes)); -void -aout_adobe_swap_exec_header_out (abfd, execp, raw_bytes) - bfd *abfd; - struct internal_exec *execp; - struct external_exec *raw_bytes; -{ - struct external_exec *bytes = (struct external_exec *)raw_bytes; - - /* Now fill in fields in the raw data, from the fields in the exec struct. */ - bfd_h_put_32 (abfd, execp->a_info , bytes->e_info); - PUT_WORD (abfd, execp->a_text , bytes->e_text); - PUT_WORD (abfd, execp->a_data , bytes->e_data); - PUT_WORD (abfd, execp->a_bss , bytes->e_bss); - PUT_WORD (abfd, execp->a_syms , bytes->e_syms); - PUT_WORD (abfd, execp->a_entry , bytes->e_entry); - PUT_WORD (abfd, execp->a_trsize, bytes->e_trsize); - PUT_WORD (abfd, execp->a_drsize, bytes->e_drsize); -} - - -static const bfd_target * -aout_adobe_object_p (abfd) - bfd *abfd; -{ - struct internal_exec anexec; - struct external_exec exec_bytes; - char *targ; - - if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) - != EXEC_BYTES_SIZE) { - if (bfd_get_error () != bfd_error_system_call) - bfd_set_error (bfd_error_wrong_format); - return 0; - } - - anexec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info); - - /* Normally we just compare for the magic number. - However, a bunch of Adobe tools aren't fixed up yet; they generate - files using ZMAGIC(!). - If the environment variable GNUTARGET is set to "a.out.adobe", we will - take just about any a.out file as an Adobe a.out file. FIXME! */ - - if (N_BADMAG (anexec)) { - targ = getenv ("GNUTARGET"); - if (targ && !strcmp (targ, a_out_adobe_vec.name)) - ; /* Just continue anyway, if specifically set to this format */ - else - { - bfd_set_error (bfd_error_wrong_format); - return 0; - } - } - - aout_adobe_swap_exec_header_in (abfd, &exec_bytes, &anexec); - return aout_32_some_aout_object_p (abfd, &anexec, aout_adobe_callback); -} - - -/* Finish up the opening of a b.out file for reading. Fill in all the - fields that are not handled by common code. */ - -static const bfd_target * -aout_adobe_callback (abfd) - bfd *abfd; -{ - struct internal_exec *execp = exec_hdr (abfd); - asection *sect; - struct external_segdesc ext[1]; - char *section_name; - char try_again[30]; /* name and number */ - char *newname; - int trynum; - flagword flags; - - /* Architecture and machine type -- unknown in this format. */ - bfd_set_arch_mach(abfd, bfd_arch_unknown, 0); - - /* The positions of the string table and symbol table. */ - obj_str_filepos (abfd) = N_STROFF (*execp); - obj_sym_filepos (abfd) = N_SYMOFF (*execp); - - /* Suck up the section information from the file, one section at a time. */ - - for (;;) { - if (bfd_read ((PTR) ext, 1, sizeof (*ext), abfd) != sizeof (*ext)) { - if (bfd_get_error () != bfd_error_system_call) - bfd_set_error (bfd_error_wrong_format); - return 0; - } - switch (ext->e_type[0]) { - case N_TEXT: - section_name = ".text"; - flags = SEC_CODE | SEC_LOAD | SEC_ALLOC | SEC_HAS_CONTENTS; - break; - - case N_DATA: - section_name = ".data"; - flags = SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_HAS_CONTENTS; - break; - - case N_BSS: - section_name = ".bss"; - flags = SEC_DATA | SEC_HAS_CONTENTS; - break; - - case 0: - goto no_more_sections; - - default: - (*_bfd_error_handler) - (_("%s: Unknown section type in a.out.adobe file: %x\n"), - bfd_get_filename (abfd), ext->e_type[0]); - goto no_more_sections; - } - - /* First one is called ".text" or whatever; subsequent ones are - ".text1", ".text2", ... */ - - bfd_set_error (bfd_error_no_error); - sect = bfd_make_section (abfd, section_name); - trynum = 0; - while (!sect) { - if (bfd_get_error () != bfd_error_no_error) - return 0; /* Some other error -- slide into the sunset */ - sprintf (try_again, "%s%d", section_name, ++trynum); - sect = bfd_make_section (abfd, try_again); - } - - /* Fix the name, if it is a sprintf'd name. */ - if (sect->name == try_again) { - newname = (char *) bfd_zalloc(abfd, strlen (sect->name)); - if (newname == NULL) - return 0; - strcpy (newname, sect->name); - sect->name = newname; - } - - /* Now set the section's attributes. */ - bfd_set_section_flags (abfd, sect, flags); - sect->_raw_size = ((ext->e_size[0] << 8) /* Assumed big-endian */ - | ext->e_size[1] << 8) - | ext->e_size[2]; - sect->_cooked_size = sect->_raw_size; - sect->vma = bfd_h_get_32 (abfd, ext->e_virtbase); - sect->filepos = bfd_h_get_32 (abfd, ext->e_filebase); - /* FIXME XXX alignment? */ - - /* Set relocation information for first section of each type. */ - if (trynum == 0) switch (ext->e_type[0]) { - case N_TEXT: - sect->rel_filepos = N_TRELOFF (*execp); - sect->reloc_count = execp->a_trsize; - break; - - case N_DATA: - sect->rel_filepos = N_DRELOFF (*execp); - sect->reloc_count = execp->a_drsize; - break; - } - } -no_more_sections: - - adata(abfd).reloc_entry_size = sizeof (struct reloc_std_external); - adata(abfd).symbol_entry_size = sizeof (struct external_nlist); - adata(abfd).page_size = 1; /* Not applicable. */ - adata(abfd).segment_size = 1; /* Not applicable. */ - adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE; - - return abfd->xvec; -} - -struct bout_data_struct { - struct aoutdata a; - struct internal_exec e; -}; - -static boolean -aout_adobe_mkobject (abfd) - bfd *abfd; -{ - struct bout_data_struct *rawptr; - - rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct)); - if (rawptr == NULL) - return false; - - abfd->tdata.bout_data = rawptr; - exec_hdr (abfd) = &rawptr->e; - - adata(abfd).reloc_entry_size = sizeof (struct reloc_std_external); - adata(abfd).symbol_entry_size = sizeof (struct external_nlist); - adata(abfd).page_size = 1; /* Not applicable. */ - adata(abfd).segment_size = 1; /* Not applicable. */ - adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE; - - return true; -} - - -static boolean -aout_adobe_write_object_contents (abfd) - bfd *abfd; -{ - struct external_exec swapped_hdr; - static struct external_segdesc sentinel[1]; /* Initialized to zero */ - asection *sect; - - exec_hdr (abfd)->a_info = ZMAGIC; - - /* Calculate text size as total of text sections, etc. */ - - exec_hdr (abfd)->a_text = 0; - exec_hdr (abfd)->a_data = 0; - exec_hdr (abfd)->a_bss = 0; - exec_hdr (abfd)->a_trsize = 0; - exec_hdr (abfd)->a_drsize = 0; - - for (sect = abfd->sections; sect; sect = sect->next) { - if (sect->flags & SEC_CODE) { - exec_hdr (abfd)->a_text += sect->_raw_size; - exec_hdr (abfd)->a_trsize += sect->reloc_count * - sizeof (struct reloc_std_external); - } else if (sect->flags & SEC_DATA) { - exec_hdr (abfd)->a_data += sect->_raw_size; - exec_hdr (abfd)->a_drsize += sect->reloc_count * - sizeof (struct reloc_std_external); - } else if (sect->flags & SEC_ALLOC && !(sect->flags & SEC_LOAD)) { - exec_hdr (abfd)->a_bss += sect->_raw_size; - } - } - - exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) - * sizeof (struct external_nlist); - exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd); - - aout_adobe_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr); - - if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 - || (bfd_write ((PTR) &swapped_hdr, 1, EXEC_BYTES_SIZE, abfd) - != EXEC_BYTES_SIZE)) - return false; - - /* Now write out the section information. Text first, data next, rest - afterward. */ - - for (sect = abfd->sections; sect; sect = sect->next) { - if (sect->flags & SEC_CODE) { - aout_adobe_write_section (abfd, sect); - } - } - for (sect = abfd->sections; sect; sect = sect->next) { - if (sect->flags & SEC_DATA) { - aout_adobe_write_section (abfd, sect); - } - } - for (sect = abfd->sections; sect; sect = sect->next) { - if (!(sect->flags & (SEC_CODE|SEC_DATA))) { - aout_adobe_write_section (abfd, sect); - } - } - - /* Write final `sentinel` section header (with type of 0). */ - if (bfd_write ((PTR) sentinel, 1, sizeof (*sentinel), abfd) - != sizeof (*sentinel)) - return false; - - /* Now write out reloc info, followed by syms and strings */ - if (bfd_get_symcount (abfd) != 0) - { - if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET) - != 0) - return false; - - if (! aout_32_write_syms (abfd)) - return false; - - if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*exec_hdr(abfd))), SEEK_SET) - != 0) - return false; - - for (sect = abfd->sections; sect; sect = sect->next) { - if (sect->flags & SEC_CODE) { - if (!aout_32_squirt_out_relocs (abfd, sect)) - return false; - } - } - - if (bfd_seek (abfd, (file_ptr)(N_DRELOFF(*exec_hdr(abfd))), SEEK_SET) - != 0) - return false; - - for (sect = abfd->sections; sect; sect = sect->next) { - if (sect->flags & SEC_DATA) { - if (!aout_32_squirt_out_relocs (abfd, sect)) - return false; - } - } - } - return true; -} - -static void -aout_adobe_write_section (abfd, sect) - bfd *abfd; - sec_ptr sect; -{ - /* FIXME XXX */ -} - -static boolean -aout_adobe_set_section_contents (abfd, section, location, offset, count) - bfd *abfd; - asection *section; - PTR location; - file_ptr offset; - bfd_size_type count; -{ - file_ptr section_start; - sec_ptr sect; - - if (abfd->output_has_begun == false) { /* set by bfd.c handler */ - - /* Assign file offsets to sections. Text sections are first, and - are contiguous. Then data sections. Everything else at the end. */ - - section_start = N_TXTOFF (ignore<-->me); - - for (sect = abfd->sections; sect; sect = sect->next) { - if (sect->flags & SEC_CODE) { - sect->filepos = section_start; - /* FIXME: Round to alignment */ - section_start += sect->_raw_size; - } - } - - for (sect = abfd->sections; sect; sect = sect->next) { - if (sect->flags & SEC_DATA) { - sect->filepos = section_start; - /* FIXME: Round to alignment */ - section_start += sect->_raw_size; - } - } - - for (sect = abfd->sections; sect; sect = sect->next) { - if (sect->flags & SEC_HAS_CONTENTS && - !(sect->flags & (SEC_CODE|SEC_DATA))) { - sect->filepos = section_start; - /* FIXME: Round to alignment */ - section_start += sect->_raw_size; - } - } - } - - /* regardless, once we know what we're doing, we might as well get going */ - if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0) - return false; - - if (count != 0) { - return (bfd_write ((PTR)location, 1, count, abfd) == count) ?true:false; - } - return true; -} - -static boolean -aout_adobe_set_arch_mach (abfd, arch, machine) - bfd *abfd; - enum bfd_architecture arch; - unsigned long machine; -{ - if (! bfd_default_set_arch_mach (abfd, arch, machine)) - return false; - - if (arch == bfd_arch_unknown - || arch == bfd_arch_m68k) - return true; - - return false; -} - -static int -aout_adobe_sizeof_headers (ignore_abfd, ignore) - bfd *ignore_abfd; - boolean ignore; -{ - return sizeof(struct internal_exec); -} - - - - -/* Build the transfer vector for Adobe A.Out files. */ - -#define aout_32_close_and_cleanup aout_32_bfd_free_cached_info - -#define aout_32_bfd_make_debug_symbol \ - ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) - -#define aout_32_bfd_reloc_type_lookup \ - ((reloc_howto_type *(*) \ - PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr) - -#define aout_32_set_arch_mach aout_adobe_set_arch_mach -#define aout_32_set_section_contents aout_adobe_set_section_contents - -#define aout_32_sizeof_headers aout_adobe_sizeof_headers -#define aout_32_bfd_get_relocated_section_contents \ - bfd_generic_get_relocated_section_contents -#define aout_32_get_section_contents_in_window _bfd_generic_get_section_contents_in_window -#define aout_32_bfd_relax_section bfd_generic_relax_section -#define aout_32_bfd_gc_sections bfd_generic_gc_sections -#define aout_32_bfd_link_hash_table_create \ - _bfd_generic_link_hash_table_create -#define aout_32_bfd_link_add_symbols _bfd_generic_link_add_symbols -#define aout_32_bfd_final_link _bfd_generic_final_link -#define aout_32_bfd_link_split_section _bfd_generic_link_split_section - -const bfd_target a_out_adobe_vec = -{ - "a.out.adobe", /* name */ - bfd_target_aout_flavour, - BFD_ENDIAN_BIG, /* data byte order is unknown (big assumed) */ - BFD_ENDIAN_BIG, /* hdr byte order is big */ - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | WP_TEXT ), - /* section flags */ - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_DATA | SEC_RELOC), - '_', /* symbol leading char */ - ' ', /* ar_pad_char */ - 16, /* ar_max_namelen */ - - bfd_getb64, bfd_getb_signed_64, bfd_putb64, - bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ - bfd_getb64, bfd_getb_signed_64, bfd_putb64, - bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ - {_bfd_dummy_target, aout_adobe_object_p, /* bfd_check_format */ - bfd_generic_archive_p, _bfd_dummy_target}, - {bfd_false, aout_adobe_mkobject, /* bfd_set_format */ - _bfd_generic_mkarchive, bfd_false}, - {bfd_false, aout_adobe_write_object_contents, /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - BFD_JUMP_TABLE_GENERIC (aout_32), - BFD_JUMP_TABLE_COPY (_bfd_generic), - BFD_JUMP_TABLE_CORE (_bfd_nocore), - BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd), - BFD_JUMP_TABLE_SYMBOLS (aout_32), - BFD_JUMP_TABLE_RELOCS (aout_32), - BFD_JUMP_TABLE_WRITE (aout_32), - BFD_JUMP_TABLE_LINK (aout_32), - BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), - - (PTR) 0 -}; |