-/* MIPS Extended-Coff handler for Binary File Diddling.
- Written by Per Bothner. */
+/* MIPS Extended-Coff back-end for BFD.
+ Copyright (C) 1990-1991 Free Software Foundation, Inc.
+ Written by Per Bothner.
-/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+This file is part of BFD, the Binary File Descriptor library.
-This file is part of BFD, the Binary File Diddler.
-
-BFD is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-BFD is distributed in the hope that it will be useful,
+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 BFD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* This does not compile on anything but a MIPS yet (and I haven't been
- able to test it there either since the latest merge!). So it stays
- out by default. */
-
-#define MIPS 1
-#include <stdio.h>
-#include <string.h>
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "bfd.h"
-#include "libbfd.h"
#include "sysdep.h"
-
-#include "intel-coff.h"
+#include "libbfd.h"
+#include "coff/mips.h"
+#include "coff/internal.h"
#include "libcoff.h" /* to allow easier abstraction-breaking */
+#include "trad-core.h"
-/* initialize a section structure with information
- * peculiar to this particular implementation of coff
- */
-
-static boolean
-ecoff_new_section_hook(ignore_abfd, ignore)
-bfd *ignore_abfd;
-asection *ignore;
-{
- return true;
-}
-
-/* Take a section header read from a coff file (in HOST byte order),
- and make a BFD "section" out of it. */
-static boolean
-DEFUN(make_a_section_from_file,(abfd, hdr),
- bfd *abfd AND
- struct scnhdr *hdr)
-{
- asection *return_section;
-
- {
- /* Assorted wastage to null-terminate the name, thanks AT&T! */
- char *name = bfd_alloc(abfd, sizeof (hdr->s_name)+1);
- if (name == NULL) {
- bfd_error = no_memory;
- return false;
- }
- strncpy(name, (char *) &hdr->s_name[0], sizeof (hdr->s_name));
- name[sizeof (hdr->s_name)] = 0;
-
- return_section = bfd_make_section(abfd, name);
- }
-
- /* s_paddr is presumed to be = to s_vaddr */
-#define assign(to, from) return_section->to = hdr->from
- assign(vma, s_vaddr);
- /* assign (vma, s_vaddr); */
- assign(size, s_size);
- assign(filepos, s_scnptr);
- assign(rel_filepos, s_relptr);
- assign(reloc_count, s_nreloc);
- assign(line_filepos, s_lnnoptr);
- /*
- return_section->linesize = hdr->s_nlnno * sizeof (struct lineno);
- */
-
-#undef assign
- return_section->lineno_count = hdr->s_nlnno;
- return_section->userdata = NULL;
- return_section->next = (asection *) NULL;
- if ((hdr->s_flags & STYP_TEXT) || (hdr->s_flags & STYP_DATA))
- return_section->flags = (SEC_LOAD | SEC_ALLOC);
- else if (hdr->s_flags & STYP_BSS)
- return_section->flags = SEC_ALLOC;
-
- if (hdr->s_nreloc != 0)
- return_section->flags |= SEC_RELOC;
- if (hdr->s_scnptr != 0)
- return_section->flags |= SEC_HAS_CONTENTS;
- return true;
-}
-
-bfd_target *
-ecoff_real_object_p (abfd, nscns, opthdr)
- bfd *abfd;
- unsigned short nscns, opthdr;
-{
- struct icofdata *tdata;
- char *file_info; /* buffer for all the headers */
- long readsize; /* length of file_info */
- struct filehdr* filehdr; /* points into file_info */
- struct scnhdr *sections; /* points into file_info */
-
- /* OK, now we know the format, read in the filehdr, soi-disant
- "optional header", and all the sections.*/
- readsize = sizeof(struct filehdr) + opthdr + (nscns * sizeof (struct scnhdr));
- file_info = (char*)bfd_alloc (abfd, readsize);
- if (file_info == NULL) {
- bfd_error = no_memory;
- return 0;
- }
- if (bfd_seek (abfd, 0, false) < 0) return 0;
- if (bfd_read (file_info, 1, readsize, abfd) != readsize) return 0;
- filehdr = (struct filehdr *) file_info;
- sections = (struct scnhdr *) (file_info + sizeof (struct filehdr) + opthdr);
-
- /* Now copy data as required; construct all asections etc */
- tdata = (struct icofdata *) bfd_zalloc (abfd, sizeof (struct icofdata) +
- sizeof (AOUTHDR));
- if (tdata == NULL) {
- bfd_release (abfd, file_info);
- bfd_error = no_memory;
- return 0;
- }
-
- if (nscns != 0)
- {
- unsigned int i;
- for (i = 0; i < nscns; i++)
- {
- make_a_section_from_file (abfd, sections + i);
- }
- }
-
- abfd->flags |= HAS_RELOC | HAS_LINENO | HAS_LOCALS;
-
- /* FIXME, the guess should be set by OR-ing info from the sections */
- if ((filehdr->f_flags & F_RELFLG) != F_RELFLG) abfd->flags &= ~HAS_RELOC;
- if ((filehdr->f_flags & F_EXEC) == F_EXEC) abfd->flags |= EXEC_P;
- if ((filehdr->f_flags & F_LNNO) != F_LNNO) abfd->flags &= ~HAS_LINENO;
- if ((filehdr->f_flags & F_LSYMS) != F_LSYMS) abfd->flags &= ~HAS_LOCALS;
- set_tdata (abfd, tdata);
- bfd_get_symcount (abfd) = filehdr->f_nsyms;
- if (filehdr->f_nsyms) abfd->flags |= HAS_SYMS;
-
- tdata->sym_filepos = filehdr->f_symptr;
-/* FIXME, needs byte swapping */
- tdata->hdr = *(struct aouthdr *)(file_info + sizeof (struct filehdr));
- tdata->symbols = (coff_symbol_type *)NULL;
- bfd_get_start_address (abfd) = exec_hdr (abfd).entry;
- return abfd->xvec;
-}
-
-bfd_target *
-ecoff_object_p (abfd)
- bfd *abfd;
-{
- unsigned char short_bytes[SHORT_SIZE];
- unsigned short magic, nscns, opthdr;
-
- bfd_error = no_error;
-
- /* figure out how much to read */
- if (bfd_read ((PTR)short_bytes, 1, SHORT_SIZE, abfd) != SHORT_SIZE)
- return 0;
-
- magic = bfd_h_getshort (abfd, short_bytes);
- if (magic != (abfd->xvec->byteorder_big_p ? 0x160 : 0x162)) {
- bfd_error = wrong_format;
- return 0;
- }
- if (bfd_read ((PTR)short_bytes, 1, SHORT_SIZE, abfd) != SHORT_SIZE)
- return 0;
- nscns = bfd_h_getshort (abfd, short_bytes);
-
- if (bfd_seek (abfd,(file_ptr) ((sizeof (long)) * 3), true) < 0)
- return 0;
- if (bfd_read ((PTR)short_bytes, 1, SHORT_SIZE, abfd) != SHORT_SIZE)
- return 0;
- opthdr = bfd_h_getshort (abfd, short_bytes);
-
- return ecoff_real_object_p (abfd, nscns, opthdr);
-}
-
-static boolean
-ecoff_mkobject (abfd)
- bfd *abfd;
-{
- char *rawptr;
-
-
- bfd_error = no_error;
-
- /* Use an intermediate variable for clarity */
- rawptr = (char*)bfd_zalloc (abfd, sizeof (struct icofdata));
- if (rawptr == NULL) {
- bfd_error = no_memory;
- return false;
- }
- set_tdata (abfd, rawptr);
- return true;
-}
-\f
-void
-ecoff_write_linenumbers(ignore_abfd)
-bfd *ignore_abfd;
-{
-}
-
-
-static asymbol *
-ecoff_make_empty_symbol(abfd)
- bfd *abfd;
-{
- coff_symbol_type *new = (coff_symbol_type *) bfd_alloc(abfd, sizeof(coff_symbol_type));
- if (new == NULL) {
- bfd_error = no_memory;
- return (NULL);
- } /* on error */
- new->native = 0;
- new->lineno = (alent *) NULL;
- new->symbol.the_bfd = abfd;
- return &new->symbol;
-}
-
-/*SUPPRESS 558*/
-/*SUPPRESS 529*/
-boolean
-ecoff_write_object_contents (ignore_abfd)
- bfd *ignore_abfd;
-{
- return false;
-}
-\f
-/* Calculate the file position for each section. */
-/* ARGSUSED */
-boolean
-ecoff_set_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- unsigned char *location;
- file_ptr offset;
- int count;
-{
- return false;
-}
-
-/* ARGSUSED */
-boolean
-ecoff_set_section_linenos (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- unsigned char *location;
- file_ptr offset;
- int count;
-{
- return 0;
-}
-\f
-
-/* ARGSUSED */
-boolean
-ecoff_close_and_cleanup (abfd)
- bfd *abfd;
-{
- return false;
-}
-\f
-/* ARGSUSED */
-static boolean
-ecoff_slurp_symbol_table(abfd)
- bfd *abfd;
-{
- abort();
-}
-
-unsigned int
-ecoff_get_symtab_upper_bound (abfd)
- bfd *abfd;
-{
- if (!ecoff_slurp_symbol_table (abfd)) return 0;
-
- return (bfd_get_symcount (abfd)+1) * (sizeof (coff_symbol_type *));
-}
-
-
-unsigned int
-ecoff_get_symtab(abfd, alocation)
-bfd *abfd;
-asymbol **alocation;
-{
- unsigned int counter = 0;
- coff_symbol_type *symbase;
- coff_symbol_type **location = (coff_symbol_type **)(alocation);
-
- if (!ecoff_slurp_symbol_table (abfd)) return 0;
-
- for (symbase = obj_symbols (abfd); counter++ < bfd_get_symcount (abfd);)
- *(location++) = symbase++;
- *location++ =0;
- return counter;
-}
-
-unsigned int
-ecoff_get_reloc_upper_bound (abfd, asect)
- bfd *abfd;
- sec_ptr asect;
-{
- if (bfd_get_format (abfd) != bfd_object) {
- bfd_error = invalid_operation;
- return 0;
- }
-
- return (asect->reloc_count + 1) * sizeof(arelent *);
-}
-
-
+#define BADMAG(x) ECOFFBADMAG(x)
-/* ARGSUSED */
-boolean
-ecoff_slurp_reloc_table (abfd, asect)
- bfd *abfd;
- sec_ptr asect;
-{
- abort();
-}
-
-
-/* This is stupid. This function should be a boolean predicate */
-unsigned int
-ecoff_canonicalize_reloc (abfd, section, relptr)
- bfd *abfd;
- sec_ptr section;
- arelent **relptr;
-{
- return 0;
-}
-
-boolean
-ecoff_get_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- int count;
-{
- if (count) {
- if (offset >= section->size) return false;
-
- bfd_seek (abfd, section->filepos + offset, SEEK_SET);
-
- return (bfd_read (location, 1, count, abfd) == count) ? true:false;
- }
- else return true;
-}
-
-/* ARGSUSED */
-alent *
-ecoff_get_lineno(ignore_abfd, ignore_symbol)
-bfd *ignore_abfd;
-PTR ignore_symbol;
-{
-return (alent *)NULL;
-}
-
-#define ecoff_core_file_failing_command _bfd_dummy_core_file_failing_command
-#define ecoff_core_file_failing_signal _bfd_dummy_core_file_failing_signal
-#define ecoff_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p
-#define ecoff_slurp_armap bfd_false
-#define ecoff_slurp_extended_name_table bfd_false
-#define ecoff_truncate_arname bfd_void
-#define ecoff_write_armap bfd_false
-#define ecoff_print_symbol bfd_void
-#define ecoff_set_arch_mach bfd_false
-#define ecoff_openr_next_archived_file bfd_generic_openr_next_archived_file
-#define ecoff_find_nearest_line bfd_false
-#define ecoff_generic_stat_arch_elt bfd_generic_stat_arch_elt
-#define ecoff_sizeof_headers bfd_0
+/* Can't read these relocs */
+#define RTYPE2HOWTO(a,b) ;
+/* Define NO_COFF_SYMBOLS and NO_COFF_LINENOS to avoid coffcode.h
+ defining a mess of useless functions. */
+#define NO_COFF_SYMBOLS
+#define NO_COFF_LINENOS
+/* Define MIPS to get MIPS magic numbers and such */
+#define MIPS 1
+/* Define additional MIPS section types */
+#define STYP_OTHER_LOAD 0x98000300
+#include "coffcode.h"
+
+/* We do not implement symbols for ecoff. */
+#define coff_get_symtab_upper_bound (PROTO(unsigned int, (*),(bfd *)))bfd_false
+#define coff_get_symtab (PROTO(unsigned int, (*), (bfd *, asymbol **)))bfd_0
+#define coff_print_symbol \
+ (PROTO(void,(*),(bfd *, PTR, asymbol *, enum bfd_print_symbol))) bfd_void
+#define coff_swap_sym_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
+#define coff_swap_aux_in (PROTO(void,(*),(bfd *,PTR,int,int,PTR))) bfd_void
+#define coff_swap_sym_out (PROTO(unsigned,(*),(bfd *,PTR,PTR))) bfd_void
+#define coff_swap_aux_out (PROTO(unsigned,(*),(bfd *,PTR,int,int,PTR))) bfd_void
+
+/* We do not implement linenos for ecoff. */
+#define coff_get_lineno (struct lineno_cache_entry *(*)()) bfd_nullvoidptr
+#define coff_swap_lineno_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
+#define coff_find_nearest_line (PROTO(boolean, (*),(bfd*,asection*,asymbol**,bfd_vma, CONST char**, CONST char**, unsigned int *))) bfd_false
+#define coff_swap_lineno_out (PROTO(unsigned,(*),(bfd *,PTR,PTR))) bfd_void
bfd_target ecoff_little_vec =
- {"ecoff-littlemips", /* name */
- bfd_target_coff_flavour_enum,
- false, /* data byte order is little */
- false, /* header byte order is little */
-
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* hdrs */
-
- {_bfd_dummy_target, ecoff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, ecoff_mkobject, bfd_false, /* bfd_set_format */
- bfd_false},
- JUMP_TABLE (ecoff)
-};
+{
+ "ecoff-littlemips", /* name */
+ bfd_target_coff_flavour,
+ false, /* data byte order is little */
+ false, /* header byte order is little */
+
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect
+ flags */
+ 0, /* leading underscore */
+ '/', /* ar_pad_char */
+ 15, /* ar_max_namelen */
+ 3, /* minimum alignment power */
+ _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
+ _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
+
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, coff_mkobject, bfd_false, /* bfd_set_format */
+ bfd_false},
+ {bfd_false, coff_write_object_contents, bfd_false, bfd_false},
+ JUMP_TABLE (coff)
+ };
bfd_target ecoff_big_vec =
- {"ecoff-bigmips", /* name */
- bfd_target_coff_flavour_enum,
- true, /* data byte order is big */
- true, /* header byte order is big */
-
- (HAS_RELOC | EXEC_P | /* object flags */
- HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- ' ', /* ar_pad_char */
- 16, /* ar_max_namelen */
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */
-
- {_bfd_dummy_target, ecoff_object_p, /* bfd_check_format */
- bfd_generic_archive_p, _bfd_dummy_target},
- {bfd_false, ecoff_mkobject, bfd_false, /* bfd_set_format */
- bfd_false},
- JUMP_TABLE(ecoff)
-};
+{
+ "ecoff-bigmips", /* name */
+ bfd_target_coff_flavour,
+ true, /* data byte order is big */
+ true, /* header byte order is big */
+
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */
+ 0, /* leading underscore */
+ ' ', /* ar_pad_char */
+ 16, /* ar_max_namelen */
+ 3, /* minimum alignment power */
+ _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16,
+ _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16,
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, coff_mkobject, bfd_false, /* bfd_set_format */
+ bfd_false},
+ {bfd_false, coff_write_object_contents, /* bfd_write_contents */
+ bfd_false, bfd_false},
+ JUMP_TABLE(coff),
+ COFF_SWAP_TABLE
+ };